Release v1.3.9

Implement the P2 upload_file tool to push a local file or directory from the
master to an online Windows host over the existing V2 file-transfer protocol.
The server drives FileBatchTransferWorkerV2 synchronously on the main
connection through a headless callback, reuses the list_files chain for the
overwrite pre-check, and is gated by McpFileTransfer=1 plus McpReadonly=0.

The client main connection never initialized the file-transfer module, so
g_status stayed 0 and RecvFileChunkV2 silently dropped every chunk, truncating
uploads to zero bytes. Add a once-per-process lazy InitFileUpload in the
COMMAND_SEND_FILE_V2 handler that mirrors the FileManager init; the destructor
deliberately does not Uninit so g_status remains 1 across reconnects.

Update the design doc to record the client-side change and correct the
upload_file description to state that sha256 is not returned (V2 has no
receiver-to-sender ACK; integrity is checked client-side and logged only).

Co-Authored-By: deepseek-v4-pro

.gitignore

@@ -95,3 +95,4 @@ server/go/web/assets/index.html
 server/go/users.json
 server/go/build/
 server/go/.claude/settings.json
+android/app/.cxx/

ReadMe.md

@@ -12,7 +12,7 @@
   <a href="https://git.simpleremoter.com/yuanyuanxiang/SimpleRemoter/releases">
     <img src="https://img.shields.io/gitea/v/release/yuanyuanxiang/SimpleRemoter?gitea_url=https%3A%2F%2Fgit.simpleremoter.com&style=flat-square&logo=gitea" alt="Gitea Release">
   </a>
-  <img src="https://img.shields.io/badge/client-Windows%20%7C%20Linux%20%7C%20macOS-blue?style=flat-square" alt="Client Platforms">
+  <img src="https://img.shields.io/badge/client-Windows%20%7C%20Linux%20%7C%20macOS%20%7C%20Android-blue?style=flat-square" alt="Client Platforms">
   <img src="https://img.shields.io/badge/server-Windows%20%7C%20Linux%20%7C%20macOS-success?style=flat-square" alt="Server Platforms">
   <img src="https://img.shields.io/badge/language-C%2B%2B17%20%2F%20Go-orange?style=flat-square&logo=cplusplus" alt="Language">
   <img src="https://img.shields.io/badge/license-MIT-green?style=flat-square" alt="License">
@@ -94,6 +94,7 @@
 | **Windows** | ✅ 完整功能 | ✅ MFC `YAMA.exe`（推荐）/ Go |
 | **Linux** (X11) | ✅ 屏幕 + 终端 + 文件 + 剪贴板 | ✅ Go |
 | **macOS** (Intel + Apple Silicon) | ✅ 屏幕 + 终端 + 文件 + 剪贴板 | ✅ Go |
+| **Android** (v1.3.7+) | ✅ 屏幕 + 触控/按键控制 | ❌ 不适用 |
 
 ---
 
@@ -206,6 +207,21 @@ Please read and obey the instructions in [SECURITY_AI.md](./docs/SECURITY_AI.md)
 
 **编译**：`cd linux && cmake . && make`
 
+### Android 客户端（v1.3.7+）
+
+**系统要求**：Android 5.0 (API 21) 及以上
+
+| 功能 | 状态 | 实现 |
+|---|---|---|
+| 远程桌面 | ✅ | MediaProjection + MediaCodec H.264 硬件编码 |
+| 触控/按键控制 | ✅ | AccessibilityService 注入，支持 D-pad 导航 |
+| 心跳/RTT | ✅ | RFC 6298 RTT 估算 |
+| 设备分组 | ✅ | szGroupName 编译期 patch / 服务端动态修改 |
+
+**生成客户端**：在主控 BuildDlg「生成」→ 选 `ghost - Google Android`，填入服务端 IP / 端口，生成 APK；使用 `android/sign_apk.bat` 重签后安装。
+
+**编译**：在 WSL 或 Linux 中 `cd android && ./build_apk.sh`
+
 ### macOS 客户端（v1.3.2+）
 
 **系统要求**：
@@ -258,13 +274,13 @@ Please read and obey the instructions in [SECURITY_AI.md](./docs/SECURITY_AI.md)
              │  TCP (自定义二进制协议)   │ TCP (设备) + WS (浏览器)
              └────────┬─────────────────┘
                       │
-       ┌──────────────┼──────────────┐
-       ▼              ▼              ▼
-  ┌─────────┐    ┌─────────┐    ┌─────────┐
-  │ Windows │    │  Linux  │    │  macOS  │
-  │ 客户端  │    │ 客户端  │    │ 客户端  │
-  │ (DXGI)  │    │  (X11)  │    │ (CG)    │
-  └─────────┘    └─────────┘    └─────────┘
+       ┌──────────────┼──────────────┬──────────────┐
+       ▼              ▼              ▼              ▼
+  ┌─────────┐    ┌─────────┐    ┌─────────┐    ┌─────────┐
+  │ Windows │    │  Linux  │    │  macOS  │    │ Android │
+  │ 客户端  │    │ 客户端  │    │ 客户端  │    │ 客户端  │
+  │ (DXGI)  │    │  (X11)  │    │ (CG)    │    │ (MP/MC) │
+  └─────────┘    └─────────┘    └─────────┘    └─────────┘
 ```
 
 ### 多层授权（简化视图）
@@ -340,6 +356,7 @@ nohup ./server_linux_amd64 --port 6543 --http-port 9001 > yama.log 2>&1 &
 - **C++ 主控 & Windows 客户端**：VS 2019/2022/2026 打开 `SimpleRemoter.sln` → Release | x64
 - **Linux 客户端**：`cd linux && cmake . && make`
 - **macOS 客户端**：`cd macos && ./build.sh`
+- **Android 客户端**：`cd android && ./build_apk.sh`（WSL/Linux）
 - **Go 主控**：`cd server/go && go build ./cmd`
 
 ---
@@ -361,6 +378,81 @@ nohup ./server_linux_amd64 --port 6543 --http-port 9001 > yama.log 2>&1 &
 
 ## 更新日志
 
+### v1.3.9 (2026.9.2)
+
+**MCP 服务端集成（AI 远程管理）& 远程控制与文件传输闭环 & 主控增强**
+
+**新功能：**
+- **MCP 服务端集成**：本地 `127.0.0.1:6544` 暴露 JSON-RPC 2.0 接口，Bearer Token 鉴权，「扩展 > MCP 设置」对话框配置启用 / 端口 / 绑定 / Token；23 个工具覆盖「观测 → 执行 → 控制 → 传输」全链路，默认关闭、分级开关（只读 / 白名单 / 终端 / 远程控制 / 文件传输）全面审计
+- **MCP 观测类工具（只读）**：search_hosts、get_host_detail、list_processes、list_windows、get_activity_history、list_files、get_screenshot（可选 max_width）、list_services、get_client_log、list_registry、get_audit_log；单飞请求注册表 20s 超时 + 编码修正（clientType / clientID 定位）
+- **MCP 远程终端工具**：exec_command 一次性执行 + terminal_open / terminal_exec / terminal_close 持久终端（cwd / 环境保留，空闲 300s 清扫），哨兵判定与 timeout_ms 解析修复
+- **MCP 远程控制工具**：remote_open / remote_close 会话 + remote_keyboard（key_down / up / press / type）、remote_mouse（move / click / drag / scroll）、remote_clipboard 注入；与人工 Web 查看双向互斥，会话状态机 busy / closed 加固
+- **MCP 文件传输工具**：download_file（V2 协议 + SHA-256 校验）、upload_file（主连接上传），客户端侧 `COMMAND_SEND_FILE_V2` 懒初始化 `InitFileUpload` 修复上传截断
+- **客户端活动历史**：记录活跃窗口历史（上限 500 条、跳过 <5s），主机「客户端管理」子菜单新增「活动历史」对话框，Unicode 编辑控件正确渲染 UTF-8 标题
+- **日志右键菜单三连**：消息日志右键新增「在线通知」「拉黑 IP」「解封 IP」，IPv4 提取即时生效
+- **列表排序记忆**：主机列表、进程 / 窗口列表排序偏好持久化（`list\*Sort` 注册表键），下次启动默认沿用
+
+**改进：**
+- 重复连接 standby 处理：重复登录暂存 standby 待旧连接超时 / 断线后晋升，避免循环重连与误报离线
+- 远程桌面 / 虚拟屏幕对话框标题显示主机备注而非 IP（无备注回退 IP）
+- 主机列表三态排序（升序 → 降序 → 恢复默认，默认序按在线时间重建）
+- 在线主机右键三个菜单项新增图标（位图数组 63→66）
+
+**Bug 修复：**
+- 客户端屏幕控制批解析错误：记录数是 7 的倍数时误判 MSG32 致注入错乱（`%48==0` 优先）
+- 心跳延迟更新 use-after-free：跨 PostMessage 持有 IoRefCount + memcpy 显式截断
+- ONLINELIST_PRIVILEGE 枚举错位损坏历史数据库（权限列移至 16）
+- 远程桌面光标跨对话框污染（改 `OnSetCursor` 逐窗口路由）
+- 客户端日志对话框 EDIT 上限停止刷新（`SetLimitText(0)`）
+- 窗口管理器视图检查读取陈旧状态、进程列表架构列排序无效、FRP / NAT 下窗口标题乱码
+
+### v1.3.8 (2026.8.3)
+
+**SYSTEM 权限客户端 & 主控可用性增强 & Bug 修复**
+
+**新功能：**
+- **客户端 SYSTEM 权限运行**：双模式自动适配（SYSTEM / Admin / User），Winlogon + Run 双路径注册表启动；`ScreenManager` 无用户会话时自动切换 DXGI，`KernelManager` 绕过用户态 API 以 NT 路径操作；跨会话 DLL 注入（`session.cpp`）实现 SYSTEM 会话向用户会话注入控制模块
+- **在线主机权限等级列**：主机列表新增「权限」列，实时显示 SYSTEM（蓝色高亮）/ Admin / User，一眼识别受控端权限上下文
+- **远程窗口管理菜单（View Windows）**：远程桌面新增 View Windows 菜单，可枚举目标机器顶层窗口并进行最大化、最小化、隐藏、关闭操作
+- **违禁用户拉黑**：主机列表右键新增「禁止连接」，服务端发送 `COMMAND_FORBIDDEN`；客户端收到后断开连接并拒绝重连；附带 Forbidden 图标
+- **客户端运行日志对话框**：`ClientLogManager` 每 3 秒增量推送日志到主控（`TOKEN_REPORT_LOG`）；推送线程 `join()` 防 use-after-free；IOCP → UI 线程 `PostMessage` 防丢包；自带图标与菜单位图
+- **消息日志搜索栏**：`LogSearchBar` 组件（286 行），关键字高亮、Prev/Next 导航跳转、Clear 清除
+- **调试菜单（YAMA_DBG）**：主菜单新增调试入口，动态输入 `YAMA_DBG` 环境变量值，无需重启主控
+
+**改进：**
+- 远程桌面光标自定义设置持久化到注册表，下次自动恢复偏好
+
+**Bug 修复：**
+- 32 位 / 64 位主控切换崩溃：`KeyboardManager` 参数类型兼容 + 服务端位数检查
+- Safari 移动端切回卡死：前台切回时强制重建 WebSocket + 服务端 30s 宽限期
+- `RunFileReceiver` 误注册 `ReconnectProcess` 导致文件传输结束后杀主屏幕会话
+- 隐私壁纸已设置时切换菜单再次点击执行清除而非弹框
+
+### v1.3.7 (2026.6.26)
+
+**Android 客户端 & 窗口捕获增强 & 安全加固**
+
+**新功能：**
+- **Android 客户端**：首个 Android 受控端，支持 Android 5.0+（arm64-v8a / armeabi-v7a），MediaProjection + MediaCodec H.264 推流；AccessibilityService 触控 / 按键注入；D-pad 焦点导航完整控制 TV / 机顶盒
+- **设备分组**：编译期 patch 预设 / 服务端动态修改（`CMD_SET_GROUP`）；分组名持久化至 `filesDir/yama_group`，App 重启后保留
+- **APK 生成与重签**：BuildDlg 新增 `ghost - Google Android`，与 Linux / macOS ghost 流程一致；配套 `sign_apk.bat` 自动检测 SDK 完成重签
+- **服务端删除客户端**：BYE 指令后 Android Service 通过 JNI 正常停止
+- **前台窗口精准捕获**：PrintWindow + 服务端 HWND by clientID 路由，遮挡情况下仍可捕获完整窗口
+- **在线主机右键查看活动窗口**：实时查询目标机器前台窗口标题
+- **TOKEN_AUTH 响应 ECDSA 签名**：V2 私钥签名服务端响应，防伪服务端（`TOKEN_SERVER_VERIFY = 251`）
+- **反破解版本绑定**：版本与核心库绑定，阻断替换 DLL 的破解路径
+- **子授权连接数限制**：`LicenseLimit` 字段 + `CLicenseDlg` 右键菜单实时设置
+
+**改进：**
+- H264 模式跳过首帧 ~8MB 原始巨帧，服务端在首 IDR 帧后解锁画面
+- 自适应尺寸渲染改进，减少尺寸切换抖动
+
+**Bug 修复：**
+- `ARGBToNV12` 奇数尺寸窗口堆溢出（维度钳制到偶数对齐）
+- 连接初始化时多余屏幕重启（客户端 `ScreenManager.cpp` + 服务端 `ScreenSpyDlg.cpp` 双端修复）
+- 启动时内存 DLL 未正确还原
+- 授权客户端键盘日志目录冲突（各实例使用独立目录）
+
 ### v1.3.6 (2026.6.14)
 
 **ROI 区域捕获 & Web 音频流 & 主界面可用性全面提升**

ReadMe_EN.md

@@ -12,7 +12,7 @@
   <a href="https://git.simpleremoter.com/yuanyuanxiang/SimpleRemoter/releases">
     <img src="https://img.shields.io/gitea/v/release/yuanyuanxiang/SimpleRemoter?gitea_url=https%3A%2F%2Fgit.simpleremoter.com&style=flat-square&logo=gitea" alt="Gitea Release">
   </a>
-  <img src="https://img.shields.io/badge/client-Windows%20%7C%20Linux%20%7C%20macOS-blue?style=flat-square" alt="Client Platforms">
+  <img src="https://img.shields.io/badge/client-Windows%20%7C%20Linux%20%7C%20macOS%20%7C%20Android-blue?style=flat-square" alt="Client Platforms">
   <img src="https://img.shields.io/badge/server-Windows%20%7C%20Linux%20%7C%20macOS-success?style=flat-square" alt="Server Platforms">
   <img src="https://img.shields.io/badge/language-C%2B%2B17%20%2F%20Go-orange?style=flat-square&logo=cplusplus" alt="Language">
   <img src="https://img.shields.io/badge/license-MIT-green?style=flat-square" alt="License">
@@ -94,6 +94,7 @@ This release (v1.3.4) adds the last missing piece — the **Go master**: a **del
 | **Windows** | ✅ All features | ✅ MFC `YAMA.exe` (recommended) / Go |
 | **Linux** (X11) | ✅ Screen + terminal + files + clipboard | ✅ Go |
 | **macOS** (Intel + Apple Silicon) | ✅ Screen + terminal + files + clipboard | ✅ Go |
+| **Android** (v1.3.7+) | ✅ Screen + touch/key injection | ❌ N/A |
 
 ---
 
@@ -206,6 +207,21 @@ Unless an offline license has been obtained, the master program exchanges necess
 
 **Build**: `cd linux && cmake . && make`
 
+### Android Client (v1.3.7+)
+
+**Requirements**: Android 5.0 (API 21) or later
+
+| Feature | Status | Implementation |
+|---|---|---|
+| Remote desktop | ✅ | MediaProjection + MediaCodec H.264 hardware encoding |
+| Touch / key injection | ✅ | AccessibilityService, supports D-pad TV navigation |
+| Heartbeat / RTT | ✅ | RFC 6298 RTT estimation |
+| Device grouping | ✅ | Build-time patch or server-side `CMD_SET_GROUP`; persisted across restarts |
+
+**Generate client**: In the master BuildDlg *Build* dialog, select `ghost - Google Android`, enter the server IP / port, and the APK is generated. Re-sign with `android/sign_apk.bat` before installing.
+
+**Build**: in WSL or Linux — `cd android && ./build_apk.sh`
+
 ### macOS Client (v1.3.2+)
 
 **Requirements**:
@@ -258,13 +274,13 @@ Unless an offline license has been obtained, the master program exchanges necess
              │ TCP (custom binary proto)│ TCP (devices) + WS (browsers)
              └────────┬─────────────────┘
                       │
-       ┌──────────────┼──────────────┐
-       ▼              ▼              ▼
-  ┌─────────┐    ┌─────────┐    ┌─────────┐
-  │ Windows │    │  Linux  │    │  macOS  │
-  │ client  │    │ client  │    │ client  │
-  │ (DXGI)  │    │  (X11)  │    │ (CG)    │
-  └─────────┘    └─────────┘    └─────────┘
+       ┌──────────────┼──────────────┬──────────────┐
+       ▼              ▼              ▼              ▼
+  ┌─────────┐    ┌─────────┐    ┌─────────┐    ┌─────────┐
+  │ Windows │    │  Linux  │    │  macOS  │    │ Android │
+  │ client  │    │ client  │    │ client  │    │ client  │
+  │ (DXGI)  │    │  (X11)  │    │ (CG)    │    │ (MP/MC) │
+  └─────────┘    └─────────┘    └─────────┘    └─────────┘
 ```
 
 ### Multi-Layer Authorization (simplified view)
@@ -340,6 +356,7 @@ Valid     : 2026-02-01 to 2028-02-01
 - **C++ master & Windows client**: open `SimpleRemoter.sln` in VS 2019 / 2022 / 2026 → Release | x64
 - **Linux client**: `cd linux && cmake . && make`
 - **macOS client**: `cd macos && ./build.sh`
+- **Android client**: `cd android && ./build_apk.sh` (WSL / Linux)
 - **Go master**: `cd server/go && go build ./cmd`
 
 ---
@@ -361,6 +378,81 @@ Valid     : 2026-02-01 to 2028-02-01
 
 ## Changelog
 
+### v1.3.9 (2026.9.2)
+
+**MCP Server Integration (AI Remote Management) & Remote Control / File Transfer Loop & Master Enhancements**
+
+**New features:**
+- **MCP server integration**: local JSON-RPC 2.0 endpoint on `127.0.0.1:6544` with Bearer token auth, configured via "Extensions > MCP Settings"; 23 tools spanning observe → execute → control → transfer, disabled by default with per-tier gates (read-only / whitelist / terminal / remote control / file transfer) and full audit logging
+- **MCP read-only observation tools**: search_hosts, get_host_detail, list_processes, list_windows, get_activity_history, list_files, get_screenshot (optional max_width), list_services, get_client_log, list_registry, get_audit_log; single-flight pending registry with 20s timeout, plus encoding fixes (clientType / clientID resolution)
+- **MCP remote terminal tools**: one-shot exec_command plus persistent terminal_open / terminal_exec / terminal_close (cwd and environment preserved, 300s idle sweep); sentinel detection and timeout_ms parsing fixes
+- **MCP remote control tools**: remote_open / remote_close sessions plus remote_keyboard (key_down / up / press / type), remote_mouse (move / click / drag / scroll), and remote_clipboard injection; two-way mutual exclusion with human Web viewing and a hardened busy/closed session state machine
+- **MCP file transfer tools**: download_file (V2 protocol + SHA-256 verification) and upload_file (main-connection upload); client-side lazy `InitFileUpload` in `COMMAND_SEND_FILE_V2` fixes truncated uploads
+- **Client activity history**: records active-window history (capped at 500 entries, skips <5s); new "Activity History" item under the host's Client Management menu with a Unicode edit control for correct UTF-8 title rendering
+- **Log context-menu trio**: right-click "Online Notify", "Ban IP", and "Unban IP" on the message log, with IPv4 extraction applied immediately
+- **Sort preference memory**: host list and process/window list sort preferences persisted (`list\*Sort` registry keys), restored on next launch
+
+**Improvements:**
+- Duplicate connections parked as standby and promoted after the old connection times out / disconnects, avoiding reconnect loops and false offline notifications
+- Remote desktop and virtual screen dialog titles show the host remark instead of the IP (falling back to IP)
+- Three-state host list sorting (ascending → descending → restore default, default rebuilt by online time)
+- Icons added to three online-host context menu items (bitmap array 63→66)
+
+**Bug fixes:**
+- Client screen-control batch misparse: record count that is a multiple of 7 was misclassified as MSG32, garbling injected input (`%48==0` checked first)
+- Heartbeat deferred-update use-after-free: IoRefCount held across PostMessage plus explicit memcpy truncation
+- ONLINELIST_PRIVILEGE enum shift corrupted the history host database (column moved to 16)
+- Remote desktop cursor cross-contamination across dialogs (routed via `OnSetCursor` per window)
+- Client log dialog stopped refreshing past the EDIT control limit (`SetLimitText(0)`)
+- Window manager view check reading stale state, process-list architecture column sort no-op, and FRP/NAT window-title mojibake
+
+### v1.3.8 (2026.8.3)
+
+**SYSTEM-level Client & Master Usability Enhancements & Bug Fixes**
+
+**New features:**
+- **Client running as SYSTEM**: dual-mode auto-detection (SYSTEM / Admin / User), Winlogon + Run dual-path registry startup; `ScreenManager` auto-switches to DXGI when there is no user session; `KernelManager` bypasses user-mode APIs using NT paths; cross-session DLL injection (`session.cpp`) from SYSTEM to user session for desktop interaction
+- **Privilege column in host list**: new "Privilege" column shows real-time permission level — **SYSTEM** (blue highlight), Admin, or User — instantly identifying each controlled endpoint's privilege context
+- **View Windows menu for remote desktop**: new View Windows menu item enumerates all top-level windows on the target machine; supports maximize, minimize, hide, and close operations without leaving the remote desktop view
+- **Forbid user (violation blacklist)**: right-click host list "Forbidden" sends `COMMAND_FORBIDDEN`; client disconnects and refuses reconnection to the same server; companion bitmap icon in menu
+- **Client runtime log dialog**: `ClientLogManager` pushes incremental logs every 3s to the master (`TOKEN_REPORT_LOG`); push thread uses `join()` to prevent use-after-free; IOCP → UI thread via `PostMessage` to prevent dropped packets; dialog icon and menu bitmap included
+- **Message log search bar**: `LogSearchBar` component (286 lines) with keyword highlighting, Prev/Next navigation, and Clear button
+- **Debug menu (YAMA_DBG)**: new menu entry to input `YAMA_DBG` environment variable at runtime — no restart needed
+
+**Improvements:**
+- Remote desktop cursor customization settings now persisted to registry; preferences restored automatically on next session
+
+**Bug fixes:**
+- 32-bit / 64-bit master crash on switch: `KeyboardManager` parameter type compatibility + server-side bitness check
+- Safari mobile Web remote desktop freeze on app-switch: force-clean WebSocket reconnect on foreground return + 30s server-side grace period
+- `RunFileReceiver` incorrectly registering `ReconnectProcess`, killing the main screen session on file transfer completion
+- Privacy wallpaper toggle menu now clears instead of re-picking when wallpaper is already set
+
+### v1.3.7 (2026.6.26)
+
+**Android Client & Window Capture & Security Hardening**
+
+**New features:**
+- **Android client**: first Android controlled-side client, Android 5.0+ (arm64-v8a / armeabi-v7a); MediaProjection + MediaCodec H.264 streaming; AccessibilityService touch / key injection; D-pad focus navigation for full TV / set-top-box control
+- **Device grouping**: group name embedded at build time via APK binary patch or changed live by the server (`CMD_SET_GROUP`); persisted to `filesDir/yama_group`, survives app restarts
+- **APK build & re-sign**: BuildDlg adds `ghost - Google Android`, same workflow as Linux / macOS ghost; `sign_apk.bat` auto-detects SDK and re-signs
+- **Clean exit on server delete**: BYE command triggers JNI `onNativeExit()` → `stopSelf()`
+- **Foreground window capture**: PrintWindow + server-side HWND routing by clientID, captures the target window even when occluded
+- **View active window from host list**: right-click menu queries and shows the foreground window title of the target machine in real time
+- **TOKEN_AUTH ECDSA signature**: server signs auth responses with its V2 P-256 key to prevent fake-server attacks (`TOKEN_SERVER_VERIFY = 251`)
+- **Anti-cracking version binding**: binary binds to core lib version; mismatched DLL replacement is rejected at load time
+- **Sub-license connection cap**: `LicenseLimit` field in `licenses.ini` + real-time set / clear from `CLicenseDlg` right-click menu
+
+**Improvements:**
+- H264 mode skips the initial ~8 MB raw first-frame; server unlocks display on the first IDR instead
+- Adaptive-size rendering improvements, fewer dimension-change artifacts
+
+**Bug fixes:**
+- `ARGBToNV12` heap overflow on odd-sized windows (clamp dims to even-aligned width/height)
+- Extra screen restarts on connection init (dual fix: client `ScreenManager.cpp` + server `ScreenSpyDlg.cpp`)
+- Memory DLL not restored on client startup
+- Authorization client keyboard log directory conflict (each instance gets its own directory)
+
 ### v1.3.6 (2026.6.14)
 
 **ROI region capture & Web audio streaming & master-UI usability overhaul**

ReadMe_TW.md

@@ -12,7 +12,7 @@
   <a href="https://git.simpleremoter.com/yuanyuanxiang/SimpleRemoter/releases">
     <img src="https://img.shields.io/gitea/v/release/yuanyuanxiang/SimpleRemoter?gitea_url=https%3A%2F%2Fgit.simpleremoter.com&style=flat-square&logo=gitea" alt="Gitea Release">
   </a>
-  <img src="https://img.shields.io/badge/client-Windows%20%7C%20Linux%20%7C%20macOS-blue?style=flat-square" alt="Client Platforms">
+  <img src="https://img.shields.io/badge/client-Windows%20%7C%20Linux%20%7C%20macOS%20%7C%20Android-blue?style=flat-square" alt="Client Platforms">
   <img src="https://img.shields.io/badge/server-Windows%20%7C%20Linux%20%7C%20macOS-success?style=flat-square" alt="Server Platforms">
   <img src="https://img.shields.io/badge/language-C%2B%2B17%20%2F%20Go-orange?style=flat-square&logo=cplusplus" alt="Language">
   <img src="https://img.shields.io/badge/license-MIT-green?style=flat-square" alt="License">
@@ -94,6 +94,7 @@
 | **Windows** | ✅ 完整功能 | ✅ MFC `YAMA.exe`（推薦）/ Go |
 | **Linux** (X11) | ✅ 螢幕 + 終端 + 檔案 + 剪貼簿 | ✅ Go |
 | **macOS** (Intel + Apple Silicon) | ✅ 螢幕 + 終端 + 檔案 + 剪貼簿 | ✅ Go |
+| **Android** (v1.3.7+) | ✅ 螢幕 + 觸控/按鍵注入 | ❌ 不適用 |
 
 ---
 
@@ -206,6 +207,21 @@ Please read and obey the instructions in [SECURITY_AI.md](./docs/SECURITY_AI.md)
 
 **編譯**：`cd linux && cmake . && make`
 
+### Android 用戶端（v1.3.7+）
+
+**系統需求**：Android 5.0 (API 21) 及以上
+
+| 功能 | 狀態 | 實作 |
+|---|---|---|
+| 遠端桌面 | ✅ | MediaProjection + MediaCodec H.264 硬體編碼 |
+| 觸控 / 按鍵注入 | ✅ | AccessibilityService，支援 D-pad TV 導航 |
+| 心跳 / RTT | ✅ | RFC 6298 RTT 估算 |
+| 裝置分組 | ✅ | 編譯期 patch 或服務端 `CMD_SET_GROUP` 動態修改；重啟後仍保留 |
+
+**產生用戶端**：在主控 BuildDlg「產生」選 `ghost - Google Android`，填入伺服端 IP / 埠，生成 APK；使用 `android/sign_apk.bat` 重簽後安裝。
+
+**編譯**：在 WSL 或 Linux 中 `cd android && ./build_apk.sh`
+
 ### macOS 用戶端（v1.3.2+）
 
 **系統需求**：
@@ -258,13 +274,13 @@ Please read and obey the instructions in [SECURITY_AI.md](./docs/SECURITY_AI.md)
              │  TCP (自訂二進位協定)     │ TCP (裝置) + WS (瀏覽器)
              └────────┬─────────────────┘
                       │
-       ┌──────────────┼──────────────┐
-       ▼              ▼              ▼
-  ┌─────────┐    ┌─────────┐    ┌─────────┐
-  │ Windows │    │  Linux  │    │  macOS  │
-  │ 用戶端  │    │ 用戶端  │    │ 用戶端  │
-  │ (DXGI)  │    │  (X11)  │    │ (CG)    │
-  └─────────┘    └─────────┘    └─────────┘
+       ┌──────────────┼──────────────┬──────────────┐
+       ▼              ▼              ▼              ▼
+  ┌─────────┐    ┌─────────┐    ┌─────────┐    ┌─────────┐
+  │ Windows │    │  Linux  │    │  macOS  │    │ Android │
+  │ 用戶端  │    │ 用戶端  │    │ 用戶端  │    │ 用戶端  │
+  │ (DXGI)  │    │  (X11)  │    │ (CG)    │    │ (MP/MC) │
+  └─────────┘    └─────────┘    └─────────┘    └─────────┘
 ```
 
 ### 多層授權（簡化視圖）
@@ -340,6 +356,7 @@ nohup ./server_linux_amd64 --port 6543 --http-port 9001 > yama.log 2>&1 &
 - **C++ 主控 & Windows 用戶端**：VS 2019/2022/2026 開啟 `SimpleRemoter.sln` → Release | x64
 - **Linux 用戶端**：`cd linux && cmake . && make`
 - **macOS 用戶端**：`cd macos && ./build.sh`
+- **Android 用戶端**：`cd android && ./build_apk.sh`（WSL/Linux）
 - **Go 主控**：`cd server/go && go build ./cmd`
 
 ---
@@ -361,6 +378,81 @@ nohup ./server_linux_amd64 --port 6543 --http-port 9001 > yama.log 2>&1 &
 
 ## 更新日誌
 
+### v1.3.9 (2026.9.2)
+
+**MCP 伺服端整合（AI 遠端管理）& 遠端控制與檔案傳輸閉環 & 主控增強**
+
+**新功能：**
+- **MCP 伺服端整合**：本地 `127.0.0.1:6544` 暴露 JSON-RPC 2.0 介面，Bearer Token 鑑權，「擴充 > MCP 設定」對話框設定啟用 / 連接埠 / 綁定 / Token；23 個工具覆蓋「觀測 → 執行 → 控制 → 傳輸」全鏈路，預設關閉、分級開關（唯讀 / 白名單 / 終端 / 遠端控制 / 檔案傳輸）全面稽核
+- **MCP 觀測類工具（唯讀）**：search_hosts、get_host_detail、list_processes、list_windows、get_activity_history、list_files、get_screenshot（可選 max_width）、list_services、get_client_log、list_registry、get_audit_log；單飛請求登錄表 20s 逾時 + 編碼修正（clientType / clientID 定位）
+- **MCP 遠端終端工具**：exec_command 一次性執行 + terminal_open / terminal_exec / terminal_close 持久終端（cwd / 環境保留，閒置 300s 清掃），哨兵判定與 timeout_ms 解析修復
+- **MCP 遠端控制工具**：remote_open / remote_close 工作階段 + remote_keyboard（key_down / up / press / type）、remote_mouse（move / click / drag / scroll）、remote_clipboard 注入；與人工 Web 查看雙向互斥，工作階段狀態機 busy / closed 加固
+- **MCP 檔案傳輸工具**：download_file（V2 協定 + SHA-256 校驗）、upload_file（主連線上傳），用戶端側 `COMMAND_SEND_FILE_V2` 懶初始化 `InitFileUpload` 修復上傳截斷
+- **用戶端活動歷史**：記錄活躍視窗歷史（上限 500 條、跳過 <5s），主機「用戶端管理」子選單新增「活動歷史」對話框，Unicode 編輯控件正確渲染 UTF-8 標題
+- **訊息右鍵選單三連**：訊息記錄右鍵新增「線上通知」「封鎖 IP」「解封 IP」，IPv4 提取即時生效
+- **列表排序記憶**：主機列表、處理程序 / 視窗列表排序偏好持久化（`list\*Sort` 登錄檔鍵），下次啟動預設沿用
+
+**改進：**
+- 重複連線 standby 處理：重複登入暫存 standby 待舊連線逾時 / 斷線後晉升，避免循環重連與誤報離線
+- 遠端桌面 / 虛擬螢幕對話框標題顯示主機備註而非 IP（無備註回退 IP）
+- 主機列表三態排序（升冪 → 降冪 → 恢復預設，預設序按上線時間重建）
+- 線上主機右鍵三個選單項目新增圖示（位圖陣列 63→66）
+
+**Bug 修復：**
+- 用戶端螢幕控制批次解析錯誤：記錄數是 7 的倍數時誤判 MSG32 致注入錯亂（`%48==0` 優先）
+- 心跳延遲更新 use-after-free：跨 PostMessage 持有 IoRefCount + memcpy 顯式截斷
+- ONLINELIST_PRIVILEGE 列舉錯位損壞歷史資料庫（權限列移至 16）
+- 遠端桌面游標跨對話框污染（改 `OnSetCursor` 逐視窗路由）
+- 用戶端記錄對話框 EDIT 上限停止刷新（`SetLimitText(0)`）
+- 視窗管理員檢視檢查讀取陳舊狀態、處理程序列表架構欄排序無效、FRP / NAT 下視窗標題亂碼
+
+### v1.3.8 (2026.8.3)
+
+**SYSTEM 權限用戶端 & 主控可用性增強 & Bug 修復**
+
+**新功能：**
+- **用戶端 SYSTEM 權限執行**：雙模式自動適配（SYSTEM / Admin / User），Winlogon + Run 雙路徑登錄檔啟動；`ScreenManager` 無使用者工作階段時自動切換 DXGI，`KernelManager` 繞過使用者態 API 以 NT 路徑操作；跨工作階段 DLL 注入（`session.cpp`）實現 SYSTEM 工作階段向使用者工作階段注入控制模組
+- **線上主機權限等級欄**：主機列表新增「權限」欄，即時顯示 SYSTEM（藍色高亮）/ Admin / User，一眼識別受控端權限上下文
+- **遠端視窗管理選單（View Windows）**：遠端桌面新增 View Windows 選單項目，可列舉目標機器頂層視窗並進行最大化、最小化、隱藏、關閉操作
+- **違禁使用者封鎖**：主機列表右鍵新增「禁止連線」，伺服端發送 `COMMAND_FORBIDDEN`；用戶端收到後中斷連線並拒絕重連；附帶 Forbidden 圖示
+- **用戶端執行記錄對話框**：`ClientLogManager` 每 3 秒增量推送記錄到主控（`TOKEN_REPORT_LOG`）；推送執行緒使用 `join()` 防止 use-after-free；IOCP → UI 執行緒 `PostMessage` 防止遺失封包；自帶圖示與選單位圖
+- **訊息記錄搜尋列**：`LogSearchBar` 元件（286 行），關鍵字高亮、Prev/Next 導航跳轉、Clear 清除
+- **除錯選單（YAMA_DBG）**：主選單新增除錯入口，動態輸入 `YAMA_DBG` 環境變數值，無需重啟主控
+
+**改進：**
+- 遠端桌面游標自訂設定持久化到登錄檔，下次自動恢復偏好
+
+**Bug 修復：**
+- 32 位元 / 64 位元主控切換崩潰：`KeyboardManager` 參數型別相容 + 伺服端位元數檢查
+- Safari 行動端切回凍結：前景切回時強制重建 WebSocket + 伺服端 30s 寬限期
+- `RunFileReceiver` 誤註冊 `ReconnectProcess` 導致檔案傳輸結束後終止主螢幕工作階段
+- 隱私桌布已設定時切換選單再次點擊執行清除而非彈框
+
+### v1.3.7 (2026.6.26)
+
+**Android 用戶端 & 視窗擷取增強 & 安全加固**
+
+**新功能：**
+- **Android 用戶端**：首個 Android 受控端，支援 Android 5.0+（arm64-v8a / armeabi-v7a）；MediaProjection + MediaCodec H.264 推流；AccessibilityService 觸控 / 按鍵注入；D-pad 焦點導航完整控制 TV / 機上盒
+- **裝置分組**：編譯期 patch 預設 / 伺服端動態修改（`CMD_SET_GROUP`）；分組名持久化至 `filesDir/yama_group`，App 重啟後保留
+- **APK 產生與重簽**：BuildDlg 新增 `ghost - Google Android`，與 Linux / macOS ghost 流程一致；配套 `sign_apk.bat` 自動偵測 SDK 完成重簽
+- **伺服端刪除用戶端**：BYE 指令後 Android Service 透過 JNI 正常停止
+- **前台視窗精準擷取**：PrintWindow + 伺服端 HWND by clientID 路由，遮蓋情況下仍可擷取完整視窗
+- **線上主機右鍵查看活動視窗**：即時查詢目標機器前台視窗標題
+- **TOKEN_AUTH 回應 ECDSA 簽章**：V2 私鑰簽名伺服端回應，防偽造伺服端（`TOKEN_SERVER_VERIFY = 251`）
+- **反破解版本綁定**：版本與核心函式庫綁定，阻斷替換 DLL 的破解路徑
+- **子授權連線數限制**：`LicenseLimit` 欄位 + `CLicenseDlg` 右鍵選單即時設定
+
+**改進：**
+- H264 模式跳過首幀 ~8MB 原始巨幀，伺服端在首 IDR 幀後解鎖畫面
+- 自適應尺寸渲染改進，減少尺寸切換閃爍
+
+**Bug 修復：**
+- `ARGBToNV12` 奇數尺寸視窗堆積溢位（維度鉗制到偶數對齊）
+- 連線初始化時多餘螢幕重啟（用戶端 `ScreenManager.cpp` + 伺服端 `ScreenSpyDlg.cpp` 雙端修復）
+- 啟動時記憶體 DLL 未正確還原
+- 授權用戶端鍵盤日誌目錄衝突（各實例使用獨立目錄）
+
 ### v1.3.6 (2026.6.14)
 
 **ROI 區域擷取 & Web 音訊串流 & 主控介面可用性全面提升**

android/.gitignore

@@ -0,0 +1,21 @@
+# Build output
+build/
+app/build/
+
+# Gradle cache and generated configs
+.gradle/
+gradle/gradle-daemon-jvm.properties
+
+# Local config (contains SDK path, machine-specific)
+local.properties
+
+# Android Studio project files
+.idea/
+*.iml
+
+# Signing config
+*.jks
+*.keystore
+
+# Force-track prebuilt static libs (overrides root .gitignore *.a rule)
+!app/src/main/cpp/lib/**/*.a

android/PLAN.md

@@ -0,0 +1,266 @@
+# Android 客户端开发计划书
+
+> 目标功能：屏幕浏览 + 操作控制（触控/键盘输入注入）
+> 参考实现：`linux/` 与 `macos/`，两者已验证的共用策略同样适用于 Android
+
+---
+
+## 一、代码复用分析
+
+### 1.1 可 100% 直接复用（NDK 无改动）
+
+| 文件 | 用途 | 依赖 |
+|------|------|------|
+| `common/ikcp.c/.h` | KCP 可靠 UDP 传输 | 纯 C，无 OS 依赖 |
+| `common/aes.c/.h` | AES 加密 | 纯 C |
+| `common/commands.h` | 协议定义（全平台共享） | 无 |
+| `common/client_auth_state.h` | 认证状态机 | 无 |
+| `common/posix_net_helpers.h` | POSIX socket 辅助函数 | POSIX（Android NDK 支持） |
+| `common/sub_conn_thread.h` | 子连接线程 | POSIX |
+| `common/rtt_estimator.h` | RTT 估计器 | 无 |
+| `common/logger.h` | 日志 | 无 |
+| `common/locker.h` | 互斥锁 | `std::mutex` |
+| `common/FileTransferV2.h` | V2 文件传输协议 | 无 |
+| `common/xxhash.h` | xxHash 校验 | 纯头文件 |
+| `client/IOCPClient.cpp/.h` | TCP/KCP 连接管理（Linux 已复用） | POSIX socket |
+| `client/Buffer.cpp/.h` | 数据缓冲区 | 无 |
+| `client/sign_shim_unix.cpp` | 签名垫片（Linux/macOS 已复用） | `libsign.a` |
+
+### 1.2 可参考逻辑、重新实现 Android 版本
+
+| 现有文件 | Android 对应实现 | 原因 |
+|----------|-----------------|------|
+| `linux/ScreenHandler.h` | `android/cpp/ScreenHandler.h` | 捕获 API 不同（MediaProjection vs X11） |
+| `macos/InputHandler.mm` | `ControlService.kt` + `main.cpp::DispatchControlEvent` | 注入方式不同（AccessibilityService vs CGEvent） |
+| `linux/SystemManager.h` | `android/cpp/SystemManager.cpp`（Phase 4） | 系统 API 不同 |
+| `macos/H264Encoder.mm` | Android MediaCodec 路径（Java 侧） | 硬件编码器 API 不同 |
+| `linux/main.cpp` | `android/cpp/main.cpp` | 参考连接逻辑，逐段移植 |
+
+### 1.3 不复用（Windows 专属）
+
+- `client/ScreenCapturerDXGI.h`、`client/IOCPBase.h`、`client/ScreenSpy.cpp`（Windows GDI/DXGI）
+- `client/KeyboardManager.cpp`（SendInput API）
+- `client/KernelManager.cpp`、`client/ServicesManager.cpp`
+
+---
+
+## 二、技术选型
+
+### 2.1 屏幕捕获
+
+**方案**：`MediaProjection` API（Android 5.0+）
+
+```
+MediaProjection
+  └── VirtualDisplay (Surface)
+        └── MediaCodec (Surface input，零拷贝)
+              └── H.264 NALU → JNI → C++ ScreenHandler → 网络发送
+```
+
+- 无需 root，官方公开 API
+- 通过 `ForegroundService` + `FOREGROUND_SERVICE_MEDIA_PROJECTION` 维持后台运行
+- **实际采用零拷贝路径（Path A）**：VirtualDisplay 的 Surface 直接绑定 `MediaCodec` 输入 Surface，无 ImageReader 中间环节
+
+### 2.2 视频编码
+
+**已采用**：Android `MediaCodec`（硬件 H.264 加速）✅
+
+- VirtualDisplay Surface → MediaCodec Surface input → H.264 NALU，零拷贝
+- 关键帧前自动拼接 SPS+PPS，确保解码器可初始化
+- 每 2 秒强制触发一次 IDR（兼容忽略 `KEY_I_FRAME_INTERVAL` 的软编码器）
+- 编码分辨率：长边限制 1080，保持宽高比，宽高各自 2 对齐（H.264 要求）
+
+**编码流水线**：
+```
+VirtualDisplay → MediaCodec(Surface input) → CODEC_CONFIG(SPS/PPS) + IDR+P 帧
+  → onOutputBufferAvailable → JNI nativeOnH264Frame → C++ g_screenHandlers (broadcast) → TCP
+```
+
+### 2.3 输入控制
+
+**已采用**：`AccessibilityService`（`ControlService.kt`）✅
+
+| 事件 | 映射 |
+| --- | --- |
+| `WM_LBUTTONDOWN/MOVE/UP` | 累积路径，UP 时判断：位移 < 10px → 单击（dispatchTap），否则 → 拖拽（dispatchTouchGesture） |
+| `WM_LBUTTONDBLCLK` | 双击：两次 80ms 手势，间隔 200ms |
+| `WM_RBUTTONDOWN` | 长按 600ms |
+| `WM_MOUSEWHEEL` | delta > 0（滚轮上）→ 手指下划 +400px；delta < 0 → 手指上划 -400px |
+| `WM_KEYDOWN` Backspace/ESC | `GLOBAL_ACTION_BACK` |
+| `WM_KEYDOWN` VK_HOME (0x24) | `GLOBAL_ACTION_HOME` |
+| `WM_KEYDOWN` VK_APPS (0x5D) | `GLOBAL_ACTION_RECENTS` |
+| `WM_KEYDOWN` PrtSc (0x2C) | `GLOBAL_ACTION_TAKE_SCREENSHOT` |
+
+**关键实现细节**：
+
+- 协议：`COMMAND_SCREEN_CONTROL` + MSG64（固定 48 字节），**坐标从 lParam（offset 24）读取**，与 Windows/Linux/macOS 客户端完全一致；不读 pt.x/pt.y（64-bit MSG 与 MSG64 的 pt 偏移不同，直接读会得到错误 Y 坐标）
+- 坐标映射：`phys = enc * physSize / encSize`（编码空间 → 物理屏幕空间）
+- 单击路径非退化：`moveTo(x,y); lineTo(x+1,y)`，避免 Android 静默拒绝零长度手势路径
+- C++ → Kotlin 回调：`DispatchControlEvent()` 全局函数通过 JNI AttachCurrentThread → `ControlService.onControlEvent(@JvmStatic)` → post 到主线程 Handler
+
+### 2.4 网络传输
+
+与 Linux 完全相同的 POSIX socket 路径：
+- TCP 控制通道（`IOCPClient.cpp` 已在 Linux 验证）
+- KCP over UDP 视频流（`ikcp.c` 纯 C，NDK 直接编译，当前未启用）
+- TLS/AES 加密复用 `common/aes.c`
+
+---
+
+## 三、目录结构（实际）
+
+```
+android/
+├── PLAN.md                          # 本文件
+├── README.md                        # 编译与安装说明
+├── build_apk.sh                     # 编译脚本（release/debug/clean）
+├── yama-release.jks                 # 签名密钥库（密码通过 YAMA_PWD 环境变量传入）
+├── app/
+│   ├── build.gradle
+│   ├── proguard-rules.pro           # 保留 JNI 方法名
+│   └── src/main/
+│       ├── AndroidManifest.xml
+│       ├── java/com/yama/client/
+│       │   ├── MainActivity.kt          # 权限申请 + 启动 Service
+│       │   ├── CaptureService.kt        # ForegroundService：MediaProjection + MediaCodec
+│       │   ├── ControlService.kt        # AccessibilityService：手势注入 + 全局键 + 活动窗口上报
+│       │   └── YamaBridge.kt            # JNI 声明（nativeInit/Stop/SetScreenSize/OnH264Frame）
+│       ├── cpp/
+│       │   ├── CMakeLists.txt
+│       │   ├── main.cpp                 # NDK 入口：连接/心跳/DataProcess/DispatchControlEvent
+│       │   ├── ScreenHandler.h          # 子连接管理：发送 BitmapInfo/H264 帧，接收 SCREEN_CONTROL
+│       │   ├── android_compat.h         # 平台兼容头（强制注入替代修改共用源文件）
+│       │   ├── common/ → ../../common/  # 符号链接（commands.h 等）
+│       │   ├── client/  → ../../client/ # 符号链接（IOCPClient 等）
+│       │   └── lib/
+│       │       ├── arm64-v8a/libsign.a
+│       │       ├── arm64-v8a/libzstd.a
+│       │       ├── armeabi-v7a/libsign.a
+│       │       └── armeabi-v7a/libzstd.a
+│       └── res/
+│           ├── mipmap-*/ic_launcher.png          # 传统图标（各密度）
+│           ├── mipmap-*/ic_launcher_foreground.png  # Adaptive Icon 前景层
+│           ├── mipmap-anydpi-v26/ic_launcher.xml    # Adaptive Icon 定义
+│           ├── values/colors.xml        # ic_launcher_background (#F2F2F2)
+│           ├── values/strings.xml
+│           └── xml/accessibility_service_config.xml
+├── build.gradle  (project-level)
+└── settings.gradle
+```
+
+> **注**：原计划中的 `InputHandler.cpp` 已合并至 `main.cpp`（`DispatchControlEvent` 全局函数）和 `ControlService.kt`；`SystemManager.cpp` 留待 Phase 4。
+
+---
+
+## 四、开发阶段
+
+### Phase 0：工程初始化 ✅ 已完成
+
+- 创建 Android Studio 项目，配置 NDK + CMake
+- `CMakeLists.txt` 引入 `common/`、`client/` 源文件（与 `linux/CMakeLists.txt` 同构）
+- 编译验证 `IOCPClient.cpp + Buffer.cpp + sign_shim_unix.cpp + ikcp.c` 在 NDK 下无错误
+- `SimplePlugins/sign_lib/` 新增 `sha256_portable.h`（纯 C，零外部依赖）和 `build_android.sh`，在 WSL + NDK r27c 下成功交叉编译，产物已复制至 `android/app/src/main/cpp/lib/{arm64-v8a,armeabi-v7a}/libsign.a`
+
+### Phase 1：连接与协议 ✅ 已完成
+
+- 移植 `linux/main.cpp` 的连接逻辑到 `android/cpp/main.cpp`
+- `CaptureService.kt` 通过 `YamaBridge.nativeInit()` 启动 C++ 网络线程
+- 实现登录握手（`LOGIN_INFOR`）、心跳（`TOKEN_HEARTBEAT` + `CMD_HEARTBEAT_ACK` RTT 估算）、认证状态机（`client_auth_state.h`）
+- 设备信息上报：ANDROID_ID（XXH64 作为 ClientID）、型号、OS 版本、分辨率
+- 心跳日志限流：60 秒最多打印一次，避免 logcat 刷屏
+
+### Phase 2：屏幕捕获与编码 ✅ 已完成
+
+- `CaptureService.kt`：申请 `MediaProjection`，建立 `VirtualDisplay`，Surface 直连 `MediaCodec`
+- SPS/PPS 缓存，IDR 帧发送前自动拼接，子连接 `COMMAND_NEXT` 后开始推流
+- `ScreenHandler.h`：发送 `TOKEN_BITMAPINFO`（含 `ScreenSettings.QualityLevel=H264`），`SendH264` 封装帧头
+- 服务端 H264 解码器正常显示 Android 屏幕 ✅
+- 服务端适配：`ScreenSpyDlg.cpp` 新增 `ComputeAdaptiveLayout()` 自适应缩放和信箱黑边，`m_offsetX/Y` 修正坐标映射（已合入 `main` 分支）
+
+### Phase 3：操作控制 ✅ 已完成（branch: feature/android-remote-control）
+
+- `ControlService.kt`（`AccessibilityService`）：手势注入、全局键、双击/长按/滚轮
+- `main.cpp::DispatchControlEvent()`：JNI 反向调用，将 `COMMAND_SCREEN_CONTROL` 路由到 Kotlin
+- `ScreenHandler.h::OnReceive`：子连接也可接收 `COMMAND_SCREEN_CONTROL`，统一调用 `DispatchControlEvent`
+- 坐标 Bug 修复：64-bit MSG 与 MSG64 的 `pt.x/pt.y` 偏移不同（MSG: offset 36，MSG64: offset 40）；改为从 lParam（两者均在 offset 24）提取坐标，与其他所有客户端保持一致
+- 单击无效 Bug 修复：零长度手势路径被 Android 静默拒绝；tap 改用 `lineTo(x+1, y)` 非退化路径
+- 代码审查修复：JNI `ExceptionClear()`
+
+### Phase 3 后期修复 ✅ 已完成
+
+发现并修复的生产问题：
+
+| 问题 | 根因 | 修复文件 |
+|------|------|---------- |
+| 静止屏幕首帧黑屏 10-60 秒 | SurfaceFlinger 空闲优化：无脏区时不向 VirtualDisplay 推帧，`REQUEST_SYNC_FRAME` 永远排队等不到输入帧 | `CaptureService.forceFirstFrame()`：VirtualDisplay 临时 resize +2px 触发强制合成；`main.cpp` 在 `SendBitmapInfo` 后调用 `ForceFirstFrameFromJava()` |
+| 部分硬件编码器 IDR 帧未被识别 | 高通等 SoC 对强制 IDR 不设置 `BUFFER_FLAG_KEY_FRAME`，`SendLoop` 将其当作 P 帧丢弃，首帧永远发不出 | `CaptureService.isNaluKeyframe()`：扫描 Annex-B NALU type 5/7/8 补充判断 |
+| H.264 推流在 `SendBitmapInfo` 前卡住 | 推送模式下服务端 `COMMAND_NEXT` 到达时 `setManagerCallBack` 尚未注册消息被丢弃，`m_started` 永远为 `false` | `ScreenHandler.h::SendBitmapInfo()` 末尾直接 `m_started=true; m_cond.notify_all()` |
+| 多用户不能同时观看/控制 | `g_screenHandler` 单指针 + `g_screenSpyRunning` 互斥锁，只允许一条子连接 | `main.cpp`：改为 `std::set<AndroidScreenHandler*> g_screenHandlers`，`nativeOnH264Frame` 广播给全部 handler；每个 `COMMAND_SCREEN_SPY` 独立建立子连接，对齐 Windows/Linux/macOS 客户端行为 |
+
+### Phase 4：系统信息与稳定性（进行中）
+
+**已完成：**
+
+| 功能 | 说明 |
+|------|------|
+| 活动窗口上报 | `ControlService` 监听 `TYPE_WINDOW_STATE_CHANGED`，通过 JNI `getActiveWindow()` 上报当前前台包名；锁屏时上报 `"Locked"` |
+| 心跳间隔下限 | Android 侧将服务端下发的 `ReportInterval` 强制限制为 `max(收到值, 30)`，防止 5s 高频心跳耗电 |
+| 服务端心跳超时延长 | `CheckHeartbeat()` 超时阈值从 `max(60, interval*3)` 改为 `max(120, interval*3)`，与 30s 心跳间隔留出 4 倍余量 |
+| CPU 频率上报 | `GetCpuMHz()` 优先读 `/sys/devices/system/cpu/*/cpufreq/cpuinfo_max_freq`，虚拟机无此节点时回退读 `/proc/cpuinfo` 的 `BogoMIPS` |
+| 后台保活 | `ForegroundService` + 持久通知（Phase 2 已完成），豁免 Doze 模式网络限制 |
+| 应用图标 | 自定义眼睛图标，支持 Android 8+ Adaptive Icon（前景层 + 浅灰背景），兼容各厂商形状裁切 |
+| Release 签名 | `yama-release.jks` 随仓库分发，密码通过 `YAMA_PWD` 环境变量或交互输入，保证多机一致签名 |
+
+**待完成：**
+
+- 处理 `MediaProjection` 被用户撤销的情况（弹出通知，引导重授权）
+- 连接断线自动重连后子连接同步重建（目前 `ScreenSpyThread` 有 20 次重试，但主连接重连后子连接未同步恢复）
+- `WM_MBUTTONDOWN`（中键）手势映射（目前静默丢弃）
+- `SystemManager` 封装：将 Java 层已上报的设备信息（型号、版本、IP）统一封装为独立模块
+
+---
+
+## 五、关键约束与风险
+
+| 风险 | 影响 | 状态 |
+|------|------|------|
+| ~~`libsign.a` 无 ARM 构建~~ | ~~Phase 0 阻塞~~ | ✅ 已解决：`sha256_portable.h` + `build_android.sh` |
+| Android 12+ `MediaProjection` 需每次重新申请 | 后台录屏被中断 | `ForegroundService` 保活 + 通知引导重授权 |
+| `AccessibilityService` 用户需手动开启 | 操作控制功能受限 | UI 引导流程，说明开启步骤 |
+| 某些厂商 ROM 限制后台 Service | 连接断开 | 电池优化白名单申请 |
+| H.264 Baseline Level 对齐 | 服务端解码兼容性 | `MediaCodec` 输出指定 `profile=Baseline`，与 x264 现有配置一致 |
+| `AccessibilityService` 无法向系统设置页面注入手势 | 设置界面无法远程操作 | Android 安全限制，无解，提示用户 |
+
+---
+
+## 六、代码审查注意事项
+
+### 最高原则：既有功能无破坏
+
+增加 Android 客户端支持时，Windows/Linux/macOS 客户端的全部既有功能必须保持正常。每次改动上线前须验证：
+
+| 检查项 | 说明 |
+| --- | --- |
+| `isAndroidRemote` 初始值为 `false` | 非 Android 客户端走原有代码路径，不受影响 |
+| `updateUIForOrientation()` Android 分支有 `isAndroidRemote &&` 守卫 | 非 Android 客户端不会进入沉浸模式分支 |
+| `NotifyResolutionChange` 新参数有默认值 `= ""` | 现有调用点即便漏传也能正常编译和运行 |
+| `FindHostByClientID` 与 `FindHostByIP` 一致的指针返回约定 | ScreenSpyDlg 在 UI 线程（OnInitDialog）调用，OnReceiveComplete 在 IO 线程调用，后者读 `additonalInfo[]` 为只读操作，低概率竞争 |
+| Web 端坐标映射 `getTouchPos` 使用 `getBoundingClientRect()` | 动态取 canvas 实际显示尺寸，CSS 拉伸不影响坐标精度 |
+| Android 边缘手势检测有时间和距离双重门槛 | 普通慢速拖拽不会被误识别为系统手势 |
+
+### 审查流程
+
+1. `git diff HEAD` 逐文件审查，重点关注非 Android 代码路径的改动
+2. 确认所有新增条件分支均以 `isAndroidRemote`、`client_type === 'APK'` 等 Android 专有标志守卫
+3. 共享协议结构体（`commands.h`、`LOGIN_INFOR`、`szReserved`）改动需确认向前/向后兼容
+4. 服务端 C++ 改动在 Windows 下编译，前端 `index.html` 在桌面和移动浏览器两端验证
+
+---
+
+## 七、不在本期范围
+
+- 音频监听（`AudioRecord` + Opus 编码）
+- 文件管理（已有 `FileTransferV2`，后期可直接接入）
+- 摄像头（前/后摄）
+- Shell 终端（`/system/bin/sh` + PTY，可参考 `PTYHandler.h`）
+- Root 特权功能（uinput、内核注入）

android/README.md

@@ -0,0 +1,172 @@
+# YAMA Android 客户端
+
+YAMA 的 Android 客户端，允许服务端将 Android 设备作为受控主机进行远程查看和操控。功能包括：
+
+- 屏幕实时截图并推流给服务端
+- 接收服务端的触控/按键指令并注入到系统
+- 后台保持心跳连接，支持长期驻留
+
+---
+
+## 编译前：配置服务端地址
+
+服务端 IP 和端口在源码中硬编码，编译前必须修改：
+
+文件：`app/src/main/java/com/yama/client/MainActivity.kt`
+
+```kotlin
+private val serverIp   = "91.99.165.207"   // 改为你的服务端 IP
+private val serverPort = 443                // 改为你的服务端端口
+```
+
+改完再执行编译，否则客户端连不上服务端。
+
+---
+
+## 编译环境
+
+在 **WSL（Ubuntu）或原生 Linux** 上编译，Windows 原生环境不支持。
+
+| 依赖 | 版本要求 | 安装命令 |
+|---|---|---|
+| Java | 17+ | `sudo apt install openjdk-17-jdk` |
+| CMake | 3.22+ | `sudo apt install cmake` |
+| Ninja | 任意 | `sudo apt install ninja-build` |
+| Android SDK | 含 build-tools | 见下方说明 |
+| Android NDK | 30.x（Linux 版） | 见下方说明 |
+
+### Android SDK
+
+推荐通过 Android Studio 安装，安装后 SDK 默认在：
+
+- Windows：`%USERPROFILE%\AppData\Local\Android\Sdk`
+- Linux：`~/Android/Sdk`
+
+WSL 环境下脚本会自动检测 Windows 侧的 SDK，也可以手动指定：
+
+```bash
+export ANDROID_HOME=/mnt/c/Users/<用户名>/AppData/Local/Android/Sdk
+```
+
+### Android NDK（Linux 版）
+
+> **重要**：必须使用 **Linux 版 NDK**，Windows NDK 的 `.exe` 工具无法在 WSL 内执行。
+
+```bash
+# 下载 Linux NDK（约 600 MB）
+wget https://dl.google.com/android/repository/android-ndk-r30b-linux.zip
+unzip android-ndk-r30b-linux.zip -d $HOME
+
+# 解压目录名可能带字母后缀（r30、r30b 等），统一重命名
+mv $HOME/android-ndk-r30* $HOME/android-ndk
+```
+
+脚本会自动检测 `~/android-ndk`，也可以通过环境变量指定：
+
+```bash
+export ANDROID_NDK_HOME=$HOME/android-ndk
+```
+
+---
+
+## 签名密钥（一次性准备）
+
+Release APK 需要签名密钥。密钥库文件 `yama-release.jks` 已在仓库中，**密码需向仓库维护者获取**，或通过以下方式传入：
+
+```bash
+# 方式一：环境变量（推荐，避免每次输入）
+export YAMA_PWD=密钥库密码
+
+# 方式二：编译时脚本会交互提示输入
+```
+
+如需重新生成密钥库（密码遗失等情况）：
+
+```bash
+cd android/
+keytool -genkeypair -keystore yama-release.jks \
+  -alias yama -keyalg RSA -keysize 2048 -validity 10000 \
+  -dname 'CN=YAMA,O=Internal,C=CN'
+```
+
+> 密钥库文件本身不含私密信息，可以提交到 git；密码不要提交。
+> 重新生成密钥库后，已安装旧版本的设备需要先卸载再安装。
+
+---
+
+## 编译
+
+在 WSL 或 Linux 终端中，进入 `android/` 目录：
+
+```bash
+cd android/
+
+# 编译 Release（默认，约 1.7 MB，推荐部署用）
+./build_apk.sh
+
+# 编译 Debug（约 4 MB，含调试符号，开发排查用）
+./build_apk.sh debug
+
+# 清理所有编译产物（切换配置或遇到奇怪错误时使用）
+./build_apk.sh clean
+```
+
+编译成功后产物：
+
+| 类型 | 路径 |
+|---|---|
+| Release | `ghost.apk` |
+| Debug | `ghost-debug.apk` |
+
+---
+
+## 安装到设备
+
+### 1. 传输 APK
+
+将 `ghost.apk` 拷贝到手机（USB 传输、微信文件传输等均可）。
+
+### 2. 安装
+
+在手机上用文件管理器找到 APK，点击安装。
+
+如提示"禁止安装未知来源应用"，需先开启允许：
+
+- **Android 8+**：设置 → 应用 → 找到你使用的文件管理器 → 允许安装未知应用
+- **MIUI/ColorOS 等**：设置 → 隐私/安全 → 安装未知应用
+
+### 3. 解除受限设置（Android 13+ 必须）
+
+Android 13 及以上系统对手动安装的 APK 有额外限制，若不解除，无法授权 Accessibility Service：
+
+1. 打开 **设置 → 应用 → YAMA**
+2. 点击右上角 **三点菜单**
+3. 选择 **"允许受限设置"**（Allow restricted settings）
+4. 使用 PIN 或指纹确认
+
+> 此步骤每次重新安装 APK 后都需要重复执行一次。
+
+### 4. 授权必要权限
+
+**Accessibility Service**（必须，用于注入触控/按键）
+
+设置 → 无障碍 → 已安装的应用 → YAMA → 开启
+
+> 重装 APK 后此权限会被重置，需重新授权。
+
+### 5. 启动
+
+点击桌面 YAMA 图标启动，系统会弹出屏幕录制确认框，点击 **"立即开始"** 授权。
+
+授权后应用进入后台运行，通知栏会显示一条持久通知表示服务正在运行。此后服务端即可在主机列表中看到该设备。
+
+> 屏幕录制确认在每次应用重启后都会弹出，这是 Android 系统的强制要求，无法跳过。
+
+---
+
+## 注意事项
+
+- 建议在电池优化设置中将 YAMA 设为 **"不限制"**（或"不优化"），防止系统在后台将其杀掉
+  - 路径：设置 → 应用 → YAMA → 电池 → 不限制
+- 心跳间隔最小 30 秒，长期后台运行耗电量与微信后台相当
+- 服务端可在设置中调大上报间隔（建议不超过 60 秒）以进一步降低耗电

android/app/build.gradle

@@ -0,0 +1,83 @@
+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+// 模拟器调试时传 -PincludeEmulatorAbis=true；build_apk.sh 发布时强制传 false
+def INCLUDE_EMULATOR_ABIS = project.findProperty('includeEmulatorAbis')?.toBoolean() ?: false
+
+android {
+    namespace 'com.yama.client'
+    compileSdk 35
+    ndkVersion "30.0.14904198"
+
+    defaultConfig {
+        applicationId "com.yama.client"
+        minSdk 21
+        targetSdk 35
+        versionCode 1
+        versionName "1.0"
+
+        ndk {
+            if (INCLUDE_EMULATOR_ABIS) {
+                abiFilters 'arm64-v8a', 'armeabi-v7a', 'x86', 'x86_64'
+            } else {
+                abiFilters 'arm64-v8a', 'armeabi-v7a'
+            }
+        }
+
+        externalNativeBuild {
+            cmake {
+                cppFlags '-std=c++17'
+                arguments '-DANDROID_STL=c++_static'
+            }
+        }
+    }
+
+    externalNativeBuild {
+        cmake {
+            path "src/main/cpp/CMakeLists.txt"
+            version "3.22.1"
+        }
+    }
+
+    signingConfigs {
+        release {
+            storeFile     file("../yama-release.jks")
+            storePassword System.getenv("YAMA_PWD") ?: ""
+            keyAlias      'yama'
+            keyPassword   System.getenv("YAMA_PWD") ?: ""
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled   true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'),
+                          'proguard-rules.pro'
+            signingConfig signingConfigs.release
+        }
+    }
+
+    packagingOptions {
+        jniLibs {
+            // .so 文件不压缩（ZIP_STORED），使服务端 patch 工具可直接在 APK 中搜索 FLAG_GHOST
+            useLegacyPackaging false
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = '17'
+    }
+}
+
+dependencies {
+    implementation 'androidx.core:core-ktx:1.13.1'
+    implementation 'androidx.appcompat:appcompat:1.7.0'
+}

android/app/proguard-rules.pro

@@ -0,0 +1,2 @@
+# Keep all app classes — JNI method names must match exactly
+-keep class com.yama.client.** { *; }

android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION" />
+
+    <application
+        android:allowBackup="false"
+        android:extractNativeLibs="false"
+        android:icon="@mipmap/ic_launcher"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:label="YAMA"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.YAMA">
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <service
+            android:name=".CaptureService"
+            android:foregroundServiceType="dataSync|mediaProjection"
+            android:exported="false" />
+
+        <service
+            android:name=".ControlService"
+            android:description="@string/accessibility_service_description"
+            android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.accessibilityservice.AccessibilityService" />
+            </intent-filter>
+            <meta-data
+                android:name="android.accessibilityservice"
+                android:resource="@xml/accessibility_service_config" />
+        </service>
+
+    </application>
+
+</manifest>

android/app/src/main/cpp/CMakeLists.txt

@@ -0,0 +1,56 @@
+cmake_minimum_required(VERSION 3.22)
+project(yama_client LANGUAGES CXX C)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+# YAMA 根目录（相对于本文件：cpp/ → main/ → src/ → app/ → android/ → YAMA/）
+get_filename_component(YAMA_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../" ABSOLUTE)
+
+# ---- 头文件搜索路径（与 linux/CMakeLists.txt 同构）----
+include_directories(
+    ${YAMA_ROOT}
+    ${YAMA_ROOT}/client
+    ${YAMA_ROOT}/compress
+    ${CMAKE_CURRENT_SOURCE_DIR}   # android_compat.h
+)
+
+# ---- 强制注入兼容头（替代修改共用源文件）----
+add_compile_options(-include "${CMAKE_CURRENT_SOURCE_DIR}/android_compat.h")
+
+# ---- 核心源文件（与 linux/CMakeLists.txt 相同）----
+set(CORE_SOURCES
+    ${YAMA_ROOT}/client/Buffer.cpp
+    ${YAMA_ROOT}/client/IOCPClient.cpp
+    ${YAMA_ROOT}/client/sign_shim_unix.cpp
+    ${YAMA_ROOT}/common/logger.cpp
+    ${YAMA_ROOT}/common/ikcp.c
+)
+
+# ---- Android NDK 入口 ----
+set(ANDROID_SOURCES
+    main.cpp
+)
+
+add_library(yama SHARED ${CORE_SOURCES} ${ANDROID_SOURCES})
+
+# ---- 预编译静态库（由 android/build_android_libs.ps1 产出）----
+# 支持 arm64-v8a / armeabi-v7a（真机）和 x86 / x86_64（Android 模拟器）
+target_link_libraries(yama PRIVATE
+    "${CMAKE_CURRENT_SOURCE_DIR}/lib/${ANDROID_ABI}/libsign.a"
+)
+target_link_libraries(yama PRIVATE
+    "${CMAKE_CURRENT_SOURCE_DIR}/lib/${ANDROID_ABI}/libzstd.a"
+)
+
+# ---- Android 系统库 ----
+target_link_libraries(yama PRIVATE android log)
+
+# ---- 编译选项 ----
+target_compile_options(yama PRIVATE
+    -O2
+    -fvisibility=hidden
+    -Wno-unused-parameter
+    -Wno-missing-field-initializers
+)

android/app/src/main/cpp/ScreenHandler.h

@@ -0,0 +1,200 @@
+#pragma once
+// Android 屏幕处理器：管理截屏子连接，接收 Java 侧 MediaCodec 输出的 H.264 NALU，
+// 按协议封装后通过子连接发送给服务端。
+#include "common/commands.h"
+#include "client/IOCPClient.h"
+#include <atomic>
+#include <mutex>
+#include <condition_variable>
+#include <queue>
+#include <vector>
+#include <thread>
+#include <cstring>
+#include <cinttypes>
+#include <android/log.h>
+
+#define LOGI_SH(...) __android_log_print(ANDROID_LOG_INFO,  "YAMA_SCR", __VA_ARGS__)
+#define LOGE_SH(...) __android_log_print(ANDROID_LOG_ERROR, "YAMA_SCR", __VA_ARGS__)
+
+extern uint64_t g_myClientID;
+// 定义在 main.cpp，供子连接的 OnReceive 调用
+extern void DispatchControlEvent(uint32_t msgVal, uint64_t wParam, int32_t ptX, int32_t ptY);
+
+// Linux/macOS 共用的 BITMAPINFOHEADER 布局（与 Windows 完全一致）
+#pragma pack(push, 1)
+struct BmpInfoHeader {
+    uint32_t biSize;
+    int32_t  biWidth;
+    int32_t  biHeight;
+    uint16_t biPlanes;
+    uint16_t biBitCount;
+    uint32_t biCompression;
+    uint32_t biSizeImage;
+    int32_t  biXPelsPerMeter;
+    int32_t  biYPelsPerMeter;
+    uint32_t biClrUsed;
+    uint32_t biClrImportant;
+};
+#pragma pack(pop)
+
+class AndroidScreenHandler : public IOCPManager {
+public:
+    AndroidScreenHandler(IOCPClient* client, int width, int height)
+        : m_client(client), m_width(width), m_height(height),
+          m_started(false), m_running(true), m_firstSent(false)
+    {
+        memset(&m_bmpHdr, 0, sizeof(m_bmpHdr));
+        m_bmpHdr.biSize          = sizeof(BmpInfoHeader);
+        m_bmpHdr.biWidth         = width;
+        m_bmpHdr.biHeight        = height;
+        m_bmpHdr.biPlanes        = 1;
+        m_bmpHdr.biBitCount      = 32;
+        m_bmpHdr.biCompression   = 0;
+        m_bmpHdr.biSizeImage     = (uint32_t)(width * height * 4);
+        // 1 = top-down H264（Android MediaCodec 标准编码顺序）；
+        // 服务端据此用负步长写 DIB，抵消 GDI bottom-up 翻转
+        m_bmpHdr.biClrImportant  = 1;
+
+        m_sendThread = std::thread(&AndroidScreenHandler::SendLoop, this);
+    }
+
+    ~AndroidScreenHandler() {
+        m_running = false;
+        m_cond.notify_all();
+        if (m_sendThread.joinable())
+            m_sendThread.join();
+    }
+
+    // 子连接建立后立即调用，告知服务端屏幕尺寸和编码格式
+    void SendBitmapInfo() {
+        const uint32_t total = 1 + sizeof(BmpInfoHeader) + 2 * sizeof(uint64_t) + sizeof(ScreenSettings);
+        std::vector<uint8_t> buf(total, 0);
+
+        buf[0] = TOKEN_BITMAPINFO;
+        memcpy(&buf[1], &m_bmpHdr, sizeof(BmpInfoHeader));
+
+        uint64_t clientID = g_myClientID;
+        uint64_t zero     = 0;
+        size_t off = 1 + sizeof(BmpInfoHeader);
+        memcpy(&buf[off],     &clientID, 8);
+        memcpy(&buf[off + 8], &zero,     8);
+
+        ScreenSettings ss = {};
+        ss.MaxFPS       = 10;
+        ss.ScreenWidth  = m_width;
+        ss.ScreenHeight = m_height;
+        ss.QualityLevel = QUALITY_GOOD;   // 告知服务端使用 H264 解码器
+        ss.ScreenType   = USING_VIRTUAL;  // 虚拟显示
+        memcpy(&buf[off + 16], &ss, sizeof(ss));
+
+        m_client->Send2Server((char*)buf.data(), total);
+        LOGI_SH("SendBitmapInfo %dx%d clientID=%" PRIu64, m_width, m_height, clientID);
+
+        // H.264 是推送模式，不需要等 COMMAND_NEXT 才开始发帧。
+        // 服务端在 auth 通过瞬间发 COMMAND_NEXT，此时 setManagerCallBack 尚未注册，
+        // 消息被 WorkThread 丢弃，m_started 永远 false 导致帧全部卡在队列里。
+        m_started = true;
+        m_cond.notify_all();
+    }
+
+    // 由 JNI 线程调用，投递 MediaCodec 输出的 NALU
+    void OnFrameData(const uint8_t* data, uint32_t size, bool isKeyframe) {
+        if (!m_running || size == 0) return;
+        {
+            std::lock_guard<std::mutex> lk(m_mutex);
+            while (m_queue.size() >= 6) m_queue.pop();
+            m_queue.push({std::vector<uint8_t>(data, data + size), isKeyframe});
+        }
+        m_cond.notify_one();
+    }
+
+    virtual VOID OnReceive(PBYTE data, ULONG size) override {
+        if (!size) return;
+        switch (data[0]) {
+        case COMMAND_NEXT:
+            // 推送模式下已在 SendBitmapInfo 里开始推流；此处保留兼容，无副作用。
+            LOGI_SH("COMMAND_NEXT received");
+            m_started = true;
+            m_cond.notify_all();
+            break;
+        case CMD_QUALITY_LEVEL:
+            if (size >= 2) LOGI_SH("QualityLevel=%d", (int)(int8_t)data[1]);
+            break;
+        case COMMAND_SCREEN_CONTROL: {
+            // 服务端通过子连接下发鼠标/键盘控制包（MSG64 固定 48 字节）
+            // 坐标从 lParam（offset 24）读取，与 Windows/Linux/macOS 客户端一致：
+            // lParam = MAKELPARAM(enc_x, enc_y)，低16位=x，高16位=y。
+            // 不读 pt.x/pt.y (offset 40/44)：64-bit MSG 的 pt 在 offset 36，
+            // 与 MSG64 offset 40 不同，直接读会得到错误坐标。
+            if ((ULONG)size < 1 + 48u) break;
+            const uint8_t* p = data + 1;
+            uint64_t msgVal = 0, wParam = 0, lParam = 0;
+            memcpy(&msgVal,  p + 8,  8);
+            memcpy(&wParam,  p + 16, 8);
+            memcpy(&lParam,  p + 24, 8);
+            int32_t ptX = (int32_t)(int16_t)(lParam & 0xFFFF);
+            int32_t ptY = (int32_t)(int16_t)((lParam >> 16) & 0xFFFF);
+            DispatchControlEvent((uint32_t)msgVal, wParam, ptX, ptY);
+            break;
+        }
+        default:
+            break;
+        }
+    }
+
+private:
+    struct Frame { std::vector<uint8_t> data; bool isKeyframe; };
+
+    IOCPClient* m_client;
+    int         m_width, m_height;
+    std::atomic<bool> m_started;
+    std::atomic<bool> m_running;
+    std::atomic<bool> m_firstSent;
+    std::atomic<bool> m_skipLogged{false};
+
+    BmpInfoHeader m_bmpHdr;
+
+    std::queue<Frame>       m_queue;
+    std::mutex              m_mutex;
+    std::condition_variable m_cond;
+    std::thread             m_sendThread;
+
+    void SendLoop() {
+        while (m_running) {
+            std::unique_lock<std::mutex> lk(m_mutex);
+            m_cond.wait(lk, [&]{ return (!m_queue.empty() && m_started) || !m_running; });
+            if (!m_running) break;
+
+            Frame f = std::move(m_queue.front());
+            m_queue.pop();
+            lk.unlock();
+
+            // 第一帧必须是关键帧
+            if (!m_firstSent && !f.isKeyframe) {
+                if (!m_skipLogged.exchange(true))
+                    LOGI_SH("SendLoop: waiting for first IDR, skipping P-frames");
+                continue;
+            }
+
+            if (!m_firstSent)
+                LOGI_SH("SendH264 first IDR size=%u", (uint32_t)f.data.size());
+            SendH264(f.data.data(), (uint32_t)f.data.size());
+            m_firstSent = true;
+        }
+    }
+
+    // 格式: [TOKEN_NEXTSCREEN:1][ALGORITHM_H264:1][cursorX:4][cursorY:4][cursorType:1][NALU:N]
+    void SendH264(const uint8_t* nalu, uint32_t naluSize) {
+        const uint32_t hdrSize = 1 + 1 + 4 + 4 + 1;
+        std::vector<uint8_t> pkt(hdrSize + naluSize);
+
+        pkt[0] = TOKEN_NEXTSCREEN;
+        pkt[1] = ALGORITHM_H264;
+        // cursor: (0,0), type: IDC_ARROW=1
+        memset(&pkt[2], 0, 8);
+        pkt[10] = 1;
+        memcpy(&pkt[hdrSize], nalu, naluSize);
+
+        m_client->Send2Server((char*)pkt.data(), pkt.size());
+    }
+};

android/app/src/main/cpp/android_compat.h

@@ -0,0 +1,24 @@
+// android_compat.h - Android NDK 兼容垫片，通过 CMake force-include 注入每个源文件
+// 不修改任何共用代码（client/、common/）
+#pragma once
+#ifdef __ANDROID__
+#include <string.h>
+#include <stdlib.h>
+
+#ifdef __cplusplus
+#include <cstring>
+#include <cstdlib>
+
+// strcpy_s(dest, src) — MSVC 2-arg 扩展，Android NDK 无此签名
+template<size_t N>
+inline int strcpy_s(char (&dest)[N], const char* src) {
+    strncpy(dest, src ? src : "", N - 1);
+    dest[N - 1] = '\0';
+    return 0;
+}
+#endif // __cplusplus
+
+// rand_s — Windows 安全随机数，Android 用 arc4random 替代
+#define rand_s(p) (*(p) = (unsigned int)arc4random(), 0)
+
+#endif // __ANDROID__

android/app/src/main/cpp/main.cpp

@@ -0,0 +1,825 @@
+#include <jni.h>
+#include <android/log.h>
+#include <thread>
+#include <chrono>
+#include <atomic>
+#include <mutex>
+#include <set>
+#include <string>
+#include <cstring>
+#include <cinttypes>
+#include <cstdio>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#include "common/commands.h"
+#include "common/client_auth_state.h"
+#include "common/rtt_estimator.h"
+#include "client/IOCPClient.h"
+#include "ScreenHandler.h"
+#define XXH_INLINE_ALL
+#include "common/xxhash.h"
+#include "common/logger.h"
+
+#define LOG_TAG "YAMA"
+#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,  LOG_TAG, __VA_ARGS__)
+#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
+
+// 1 = 状态提示显示到电视屏幕；0 = 只写 logcat，不显示到屏幕
+#define SCREEN_STATUS_ENABLED 0
+
+extern "C" int signMessage_c(const char* pk, int pkLen, const unsigned char* msg,
+                             int msgLen, char* buf, int bufSize);
+
+// ---- 设备信息 helper（登录时填充，仅调用一次）----
+
+static int GetCpuCores() {
+    long n = sysconf(_SC_NPROCESSORS_ONLN);
+    return (n > 0) ? (int)n : 1;
+}
+
+static double GetMemoryGB() {
+    FILE* f = fopen("/proc/meminfo", "r");
+    if (!f) return 0.0;
+    char line[128];
+    unsigned long kb = 0;
+    while (fgets(line, sizeof(line), f)) {
+        if (sscanf(line, "MemTotal: %lu kB", &kb) == 1) break;
+    }
+    fclose(f);
+    return kb / (1024.0 * 1024.0);
+}
+
+// 遍历 cpu0-cpu7，取 cpuinfo_max_freq 最大值（大核频率）
+static int GetCpuMHz() {
+    // 优先从 sysfs 读取（真机有效）
+    unsigned long maxKhz = 0;
+    char path[80];
+    for (int i = 0; i < 8; i++) {
+        snprintf(path, sizeof(path),
+            "/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", i);
+        FILE* f = fopen(path, "r");
+        if (!f) continue;
+        unsigned long khz = 0;
+        if (fscanf(f, "%lu", &khz) == 1 && khz > maxKhz) maxKhz = khz;
+        fclose(f);
+    }
+    if (maxKhz > 0) return (int)(maxKhz / 1000);
+
+    // 回退：解析 /proc/cpuinfo 中的 "BogoMIPS"（模拟器可用）
+    FILE* f = fopen("/proc/cpuinfo", "r");
+    if (!f) return 0;
+    char line[128];
+    double bogomips = 0;
+    while (fgets(line, sizeof(line), f)) {
+        if (sscanf(line, "BogoMIPS : %lf", &bogomips) == 1 ||
+            sscanf(line, "bogomips : %lf", &bogomips) == 1) break;
+    }
+    fclose(f);
+    return bogomips > 0 ? (int)bogomips : 0;
+}
+
+static long GetFileSize(const std::string& path) {
+    if (path.empty()) return 0;
+    struct stat st;
+    return (stat(path.c_str(), &st) == 0) ? (long)st.st_size : 0;
+}
+
+static std::string FormatFileSize(long bytes) {
+    char buf[32];
+    if (bytes >= 1024 * 1024)
+        snprintf(buf, sizeof(buf), "%.1fM", bytes / (1024.0 * 1024.0));
+    else if (bytes >= 1024)
+        snprintf(buf, sizeof(buf), "%.1fK", bytes / 1024.0);
+    else
+        snprintf(buf, sizeof(buf), "%ldB", bytes);
+    return buf;
+}
+
+// 从 JSON 字符串中提取字符串字段值
+static std::string JsonGetStr(const std::string& json, const char* key) {
+    std::string needle = std::string("\"") + key + "\":";
+    auto pos = json.find(needle);
+    if (pos == std::string::npos) return "";
+    pos += needle.size();
+    while (pos < json.size() && json[pos] == ' ') pos++;
+    if (pos >= json.size() || json[pos] != '"') return "";
+    pos++;
+    auto end = json.find('"', pos);
+    return (end == std::string::npos) ? "" : json.substr(pos, end - pos);
+}
+
+// 查询 ip-api.com，一次请求同时获取公网 IP 和地理位置（与 Windows 客户端同源）
+// 在连接线程中同步调用，超时 3 秒
+struct GeoResult {
+    std::string pubIp, location;
+    std::atomic<bool> ready{false};
+};
+
+static void FetchGeoInfoImpl(std::shared_ptr<GeoResult> out) {
+    struct addrinfo hints = {}, *res = nullptr;
+    hints.ai_family   = AF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    if (getaddrinfo("ip-api.com", "80", &hints, &res) != 0 || !res) {
+        out->ready.store(true, std::memory_order_release); return;
+    }
+    int fd = ::socket(AF_INET, SOCK_STREAM, 0);
+    if (fd < 0) { freeaddrinfo(res); out->ready.store(true, std::memory_order_release); return; }
+
+    struct timeval tv = {3, 0};
+    setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
+    setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
+    fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) | O_NONBLOCK);
+    connect(fd, res->ai_addr, res->ai_addrlen);
+    fd_set wfds; FD_ZERO(&wfds); FD_SET(fd, &wfds);
+    bool connected = (select(fd + 1, nullptr, &wfds, nullptr, &tv) == 1);
+    fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) & ~O_NONBLOCK);
+
+    if (connected) {
+        const char* req = "GET /json/?fields=status,query,country,city HTTP/1.0\r\n"
+                          "Host: ip-api.com\r\n"
+                          "Connection: close\r\n\r\n";
+        send(fd, req, strlen(req), 0);
+
+        std::string resp;
+        char buf[512];
+        ssize_t n;
+        while ((n = recv(fd, buf, sizeof(buf), 0)) > 0) resp.append(buf, (size_t)n);
+
+        auto sep = resp.find("\r\n\r\n");
+        if (sep != std::string::npos) {
+            const std::string body = resp.substr(sep + 4);
+            if (JsonGetStr(body, "status") == "success") {
+                out->pubIp        = JsonGetStr(body, "query");
+                std::string city    = JsonGetStr(body, "city");
+                std::string country = JsonGetStr(body, "country");
+                if (!city.empty() && !country.empty())  out->location = city + ", " + country;
+                else if (!country.empty())              out->location = country;
+                else if (!city.empty())                 out->location = city;
+            }
+        }
+    }
+    close(fd);
+    freeaddrinfo(res);
+    out->ready.store(true, std::memory_order_release);
+}
+
+// getaddrinfo 在某些设备上会永久阻塞，用独立线程 + 5 秒轮询超时保护 ConnectionThread
+static bool FetchGeoInfo(std::string& pubIp, std::string& location) {
+    pubIp.clear(); location.clear();
+    auto result = std::make_shared<GeoResult>();
+    std::thread(FetchGeoInfoImpl, result).detach();
+    for (int i = 0; i < 50 && !result->ready.load(std::memory_order_acquire); i++)
+        usleep(100000);  // 100ms × 50 = 5 秒
+    if (!result->ready.load(std::memory_order_acquire)) return false;
+    pubIp    = result->pubIp;
+    location = result->location;
+    return !pubIp.empty();
+}
+
+// 服务端通过 FLAG_GHOST（"Hello, World!"）定位此变量，patch szServerIP/szPort 后重签 APK
+// 偏移：szServerIP at +32, szPort at +132（见 commands.h CONNECT_ADDRESS 定义）
+CONNECT_ADDRESS g_SETTINGS = { FLAG_GHOST, "91.99.165.207", "443", CLIENT_TYPE_ANDROID };
+
+// ---- 全局状态 ----
+// CPP-06: g_bExit 是全局变量，跨调用边界不会被编译器缓存进寄存器；
+// IOCPClient 构造接受 const State& 持有引用，不能改为 atomic/volatile，
+// 直接用 State；ARM 4 字节对齐写入硬件层面原子，实际安全。
+State                 g_bExit{S_CLIENT_NORMAL};
+uint64_t              g_myClientID = 0;         // sub_conn_thread.h 需要的外部符号
+static std::atomic<bool>     g_running{false};
+static std::atomic<uint64_t> g_lastHeartbeatAckMs{0};
+
+// ---- JNI 反向调用（DataProcess → ControlService / CaptureService）----
+static JavaVM*    g_jvm                = nullptr;
+static jclass     g_ctrlClass          = nullptr;
+static jmethodID  g_ctrlMethod         = nullptr;
+static jmethodID  g_getActiveWindowMid = nullptr;
+// CaptureService.requestIdr() / forceFirstFrame() — ScreenSpyThread 子连接建立后触发
+static jclass     g_captureClass        = nullptr;
+static jmethodID  g_requestIdrMid       = nullptr;
+static jmethodID  g_forceFirstFrameMid  = nullptr;
+static jmethodID  g_statusMid           = nullptr;  // CaptureService.onNativeStatus(String)
+static jmethodID  g_nativeExitMid       = nullptr;  // CaptureService.onNativeExit() — 服务端主动断开时停止服务
+
+// 心跳日志限流：每 60 秒最多打一次
+static std::atomic<uint64_t> g_lastHbLogMs{0};
+
+static constexpr uint64_t    HB_LOG_INTERVAL_MS = 60000;
+
+// 供主连接和子连接共同调用：把 COMMAND_SCREEN_CONTROL 路由到 ControlService.onControlEvent()
+// 定义在全局函数区；ScreenHandler.h 通过 extern 声明使用。
+void DispatchControlEvent(uint32_t msgVal, uint64_t wParam, int32_t ptX, int32_t ptY)
+{
+    if (!g_jvm || !g_ctrlClass || !g_ctrlMethod) {
+        LOGE("SCREEN_CONTROL: JNI not ready (ctrl=%p method=%p)", g_ctrlClass, g_ctrlMethod);
+        return;
+    }
+    if (msgVal != 0x200u)
+        LOGI("SCREEN_CONTROL: msg=0x%X pt=(%d,%d)", msgVal, ptX, ptY);
+
+    JNIEnv* jenv = nullptr;
+    bool attached = false;
+    jint st = g_jvm->GetEnv((void**)&jenv, JNI_VERSION_1_6);
+    if (st == JNI_EDETACHED) {
+        // CPP-03 fix: 检查 AttachCurrentThread 返回值，失败时 jenv 仍为 null
+        if (g_jvm->AttachCurrentThread(&jenv, nullptr) != JNI_OK || !jenv) return;
+        attached = true;
+    } else if (st != JNI_OK || !jenv) {
+        return;
+    }
+    jenv->CallStaticVoidMethod(g_ctrlClass, g_ctrlMethod,
+        (jint)msgVal, (jlong)wParam, (jint)ptX, (jint)ptY);
+    if (jenv->ExceptionOccurred()) jenv->ExceptionClear();
+    if (attached) g_jvm->DetachCurrentThread();
+}
+
+static std::string GetActiveWindowFromJava()
+{
+    if (!g_jvm || !g_ctrlClass || !g_getActiveWindowMid) return "Android";
+    JNIEnv* jenv = nullptr;
+    bool attached = false;
+    jint st = g_jvm->GetEnv((void**)&jenv, JNI_VERSION_1_6);
+    if (st == JNI_EDETACHED) {
+        if (g_jvm->AttachCurrentThread(&jenv, nullptr) != JNI_OK || !jenv) return "Android";
+        attached = true;
+    } else if (st != JNI_OK || !jenv) {
+        return "Android";
+    }
+    jstring js = (jstring)jenv->CallStaticObjectMethod(g_ctrlClass, g_getActiveWindowMid);
+    std::string result = "Android";
+    if (js && !jenv->ExceptionOccurred()) {
+        const char* c = jenv->GetStringUTFChars(js, nullptr);
+        if (c) { result = c; jenv->ReleaseStringUTFChars(js, c); }
+        jenv->DeleteLocalRef(js);
+    }
+    if (jenv->ExceptionOccurred()) jenv->ExceptionClear();
+    if (attached) g_jvm->DetachCurrentThread();
+    return result;
+}
+
+// 服务器连接参数
+static std::string g_serverIp;
+static int         g_serverPort = 443;
+
+// 设备信息（nativeInit 传入）
+static std::string g_androidId;
+static std::string g_deviceModel;
+static std::string g_androidVersion;
+static std::string g_screenRes;
+static std::string g_username;
+static std::string g_apkPath;
+static std::string g_filesDir;   // context.filesDir，无需权限，用于持久化分组名
+
+static void SaveGroupName() {
+    if (g_filesDir.empty()) return;
+    std::string path = g_filesDir + "/yama_group";
+    FILE* f = fopen(path.c_str(), "w");
+    if (!f) { LOGI("SaveGroupName: cannot open %s", path.c_str()); return; }
+    fputs(g_SETTINGS.szGroupName, f);
+    fclose(f);
+    LOGI("Group saved: %s", g_SETTINGS.szGroupName);
+}
+
+static void LoadGroupName() {
+    if (g_filesDir.empty()) return;
+    std::string path = g_filesDir + "/yama_group";
+    FILE* f = fopen(path.c_str(), "r");
+    if (!f) return;
+    char buf[24] = {};
+    if (fgets(buf, sizeof(buf), f)) {
+        size_t len = strlen(buf);
+        while (len > 0 && (buf[len - 1] == '\n' || buf[len - 1] == '\r')) buf[--len] = '\0';
+        if (len > 0) {
+            memset(g_SETTINGS.szGroupName, 0, sizeof(g_SETTINGS.szGroupName));
+            strncpy(g_SETTINGS.szGroupName, buf, sizeof(g_SETTINGS.szGroupName) - 1);
+            LOGI("Group loaded from file: %s", buf);
+        }
+    }
+    fclose(f);
+}
+
+// 屏幕尺寸（Java 侧 MediaCodec 配置后通过 nativeSetScreenSize 设置）
+// 初始化为 0；ScreenSpyThread 等到非零后再读，避免在 nativeSetScreenSize 之前
+// 拿到默认值 1280×720 发给服务端导致 decoder 尺寸错误黑屏。
+static std::atomic<int> g_screenWidth{0};
+static std::atomic<int> g_screenHeight{0};
+
+// 活跃子连接的 handler 集合（受 g_shMutex 保护）；支持多个浏览者/控制者同时连接
+static std::set<AndroidScreenHandler*> g_screenHandlers;
+static std::mutex                      g_shMutex;
+
+// ------------------------------------------------------------------ 屏幕子连接线程
+// 通过 JNI 调用 CaptureService 的静态方法，复用同一套 attach/detach 模板。
+static void CallCaptureStaticVoid(jmethodID mid)
+{
+    if (!g_jvm || !g_captureClass || !mid) return;
+    JNIEnv* jenv = nullptr;
+    bool attached = false;
+    jint st = g_jvm->GetEnv((void**)&jenv, JNI_VERSION_1_6);
+    if (st == JNI_EDETACHED) {
+        if (g_jvm->AttachCurrentThread(&jenv, nullptr) != JNI_OK || !jenv) return;
+        attached = true;
+    } else if (st != JNI_OK || !jenv) {
+        return;
+    }
+    jenv->CallStaticVoidMethod(g_captureClass, mid);
+    if (jenv->ExceptionOccurred()) jenv->ExceptionClear();
+    if (attached) g_jvm->DetachCurrentThread();
+}
+
+// 触发编码器输出关键帧（setParameters REQUEST_SYNC_FRAME）
+static void RequestIdrFromJava()      { CallCaptureStaticVoid(g_requestIdrMid); }
+
+// 强制 VirtualDisplay 推一帧（静止屏幕绕过 SurfaceFlinger 空闲优化）
+static void ForceFirstFrameFromJava() { CallCaptureStaticVoid(g_forceFirstFrameMid); }
+
+// 向 CaptureService.onNativeStatus() 发送状态 Toast（连接线程诊断用）
+static void PostStatus(const char* msg) {
+    LOGI("STATUS: %s", msg);
+#if SCREEN_STATUS_ENABLED
+    if (!g_jvm || !g_captureClass || !g_statusMid) return;
+    JNIEnv* jenv = nullptr;
+    bool attached = false;
+    if (g_jvm->GetEnv((void**)&jenv, JNI_VERSION_1_6) == JNI_EDETACHED) {
+        g_jvm->AttachCurrentThread(&jenv, nullptr);
+        attached = true;
+    }
+    if (jenv) {
+        jstring js = jenv->NewStringUTF(msg);
+        if (js) {
+            jenv->CallStaticVoidMethod(g_captureClass, g_statusMid, js);
+            jenv->DeleteLocalRef(js);
+        }
+        if (jenv->ExceptionOccurred()) jenv->ExceptionClear();
+    }
+    if (attached) g_jvm->DetachCurrentThread();
+#endif
+}
+
+static void ScreenSpyThread()
+{
+    // 等待 Java 侧 startCapture() 调用 nativeSetScreenSize 设置真实分辨率。
+    // 若在此之前读到默认值 0，SendBitmapInfo 会发错误尺寸给服务端，
+    // 导致浏览器 initDecoder 尺寸与 H.264 SPS 不一致 → decode error → 黑屏。
+    for (int i = 0; i < 100 && g_screenWidth.load() == 0 && g_running.load(); ++i)
+        Sleep(50);  // 最多等 5 秒
+
+    int w = g_screenWidth.load();
+    int h = g_screenHeight.load();
+    if (w == 0 || h == 0) {
+        LOGE("ScreenSpyThread: screen size not set after 5s, abort");
+        return;
+    }
+    LOGI("ScreenSpyThread start → %s:%d  size=%dx%d", g_serverIp.c_str(), g_serverPort, w, h);
+
+    // 服务端只发一次 COMMAND_SCREEN_SPY 就等子连接，子连接失败必须自己重试
+    for (int attempt = 1; attempt <= 20 && S_CLIENT_NORMAL == g_bExit && g_running.load(); ++attempt) {
+        // 声明在 try 外部，确保 catch 中 handler 仍有效，可安全从 g_screenHandlers 移除
+        std::unique_ptr<IOCPClient>           client;
+        std::unique_ptr<AndroidScreenHandler> handler;
+        try {
+            LOGI("SST[%d]: creating IOCPClient", attempt);
+            client = std::make_unique<IOCPClient>(g_bExit, true);
+            client->EnableSubConnAuth(true, g_myClientID);
+
+            LOGI("SST[%d]: connecting %s:%d", attempt, g_serverIp.c_str(), g_serverPort);
+            if (!client->ConnectServer(g_serverIp.c_str(), g_serverPort)) {
+                LOGI("ScreenSpyThread: connect failed (attempt %d/20), retry 2s", attempt);
+                Sleep(2000);
+                continue;
+            }
+            LOGI("SST[%d]: connected, creating handler w=%d h=%d", attempt, w, h);
+
+            handler = std::make_unique<AndroidScreenHandler>(client.get(), w, h);
+            LOGI("SST[%d]: handler created, inserting to set", attempt);
+            {
+                std::lock_guard<std::mutex> lk(g_shMutex);
+                g_screenHandlers.insert(handler.get());
+            }
+
+            LOGI("SST[%d]: setManagerCallBack", attempt);
+            client->setManagerCallBack(handler.get(),
+                                       IOCPManager::DataProcess,
+                                       IOCPManager::ReconnectProcess);
+            LOGI("SST[%d]: SendBitmapInfo", attempt);
+            handler->SendBitmapInfo();
+            LOGI("SST[%d]: ForceFirstFrame", attempt);
+            ForceFirstFrameFromJava();
+            LOGI("SST[%d]: RequestIdr", attempt);
+            RequestIdrFromJava();
+            LOGI("SST[%d]: entering wait loop", attempt);
+
+            while (client->IsRunning() && client->IsConnected() && S_CLIENT_NORMAL == g_bExit)
+                Sleep(200);
+
+            client->setManagerCallBack(nullptr, nullptr, nullptr);
+            {
+                std::lock_guard<std::mutex> lk(g_shMutex);
+                g_screenHandlers.erase(handler.get());
+            }
+        } catch (const std::exception& e) {
+            LOGE("ScreenSpyThread exception (attempt %d): %s", attempt, e.what());
+            // 先清除回调，再析构 handler：防止 client 在 handler 析构后仍持有其指针
+            if (client) client->setManagerCallBack(nullptr, nullptr, nullptr);
+            if (handler) {
+                std::lock_guard<std::mutex> lk(g_shMutex);
+                g_screenHandlers.erase(handler.get());
+            }
+            Sleep(2000);
+            continue;
+        }
+        break;  // 正常结束，不再重试
+    }
+    LOGI("ScreenSpyThread exit");
+}
+
+// ------------------------------------------------------------------ DataProcess
+int DataProcess(void* /*user*/, PBYTE szBuffer, ULONG ulLength)
+{
+    if (!szBuffer || !ulLength) return TRUE;
+    int allowed = (int)ClientAuth::IsCommandAllowed(szBuffer[0]);
+    if (!allowed) {
+        LOGI("DataProcess cmd=%d len=%lu allowed=%d",
+             (int)(unsigned char)szBuffer[0], (unsigned long)ulLength, allowed);
+        return TRUE;
+    }
+
+    switch (szBuffer[0]) {
+    case COMMAND_BYE:
+        PostStatus("BYE from server");
+        g_bExit = S_CLIENT_EXIT;
+        break;
+
+    case CMD_HEARTBEAT_ACK:
+        if (ulLength >= 1 + (ULONG)sizeof(HeartbeatACK)) {
+            HeartbeatACK ack;
+            memcpy(&ack, szBuffer + 1, sizeof(HeartbeatACK));
+            uint64_t now = GetUnixMs();
+            g_lastHeartbeatAckMs.store(now, std::memory_order_relaxed);
+            int64_t rtt = (int64_t)now - (int64_t)ack.Time;
+            if (ack.ProcessingMs > 0 && (int64_t)ack.ProcessingMs < rtt)
+                rtt -= ack.ProcessingMs;
+            g_rttEstimator.update_from_sample((double)rtt);
+            if (now - g_lastHbLogMs.load(std::memory_order_relaxed) >= HB_LOG_INTERVAL_MS) {
+                g_lastHbLogMs.store(now, std::memory_order_relaxed);
+                LOGI("HeartbeatACK RTT=%" PRId64 "ms SRTT=%.1fms", rtt, g_rttEstimator.srtt * 1000.0);
+            }
+        }
+        break;
+
+    case CMD_MASTERSETTING: {
+        MasterSettings settings;
+        if (ClientAuth::HandleMasterSettings(szBuffer + 1, (int)ulLength - 1, &settings)) {
+            if (settings.ReportInterval > 0)
+                g_heartbeatInterval = std::max(settings.ReportInterval, 30);
+            LOGI("MasterSettings OK interval=%ds (server=%d)", g_heartbeatInterval, settings.ReportInterval);
+            PostStatus("masterSettings: OK");
+        } else {
+            PostStatus("masterSettings: FAIL");
+        }
+        break;
+    }
+
+    case COMMAND_SCREEN_SPY: {
+        // 每个 COMMAND_SCREEN_SPY 对应一个独立子连接，支持多人同时观看/控制
+        size_t active;
+        { std::lock_guard<std::mutex> lk(g_shMutex); active = g_screenHandlers.size(); }
+        LOGI("cmd: COMMAND_SCREEN_SPY len=%lu active=%zu w=%d h=%d",
+             (unsigned long)ulLength, active, g_screenWidth.load(), g_screenHeight.load());
+        std::thread(ScreenSpyThread).detach();
+        break;
+    }
+
+    case COMMAND_SCREEN_CONTROL: {
+        if (ulLength < 1 + 48u) { LOGI("SCREEN_CONTROL(main): too short %u", ulLength); break; }
+        const uint8_t* p = szBuffer + 1;
+        uint64_t msgVal = 0, wParam = 0, lParam = 0;
+        memcpy(&msgVal, p + 8,  8);
+        memcpy(&wParam, p + 16, 8);
+        memcpy(&lParam, p + 24, 8);
+        int32_t ptX = (int32_t)(int16_t)(lParam & 0xFFFF);
+        int32_t ptY = (int32_t)(int16_t)((lParam >> 16) & 0xFFFF);
+        DispatchControlEvent((uint32_t)msgVal, wParam, ptX, ptY);
+        break;
+    }
+
+    case CMD_SET_GROUP: {
+        std::string grp;
+        if (ulLength > 1) {
+            grp.assign((const char*)szBuffer + 1, ulLength - 1);
+            auto z = grp.find('\0');
+            if (z != std::string::npos) grp.resize(z);
+        }
+        {
+            std::lock_guard<std::mutex> lk(g_shMutex);
+            memset(g_SETTINGS.szGroupName, 0, sizeof(g_SETTINGS.szGroupName));
+            strncpy(g_SETTINGS.szGroupName, grp.c_str(), sizeof(g_SETTINGS.szGroupName) - 1);
+        }
+        SaveGroupName();
+        LOGI("Group changed to: %s", grp.c_str());
+        break;
+    }
+
+    case COMMAND_SHELL:
+        LOGI("COMMAND_SHELL (not implemented)");
+        break;
+
+    case COMMAND_SYSTEM:
+        LOGI("COMMAND_SYSTEM (not implemented)");
+        break;
+
+    default:
+        LOGI("cmd: unhandled cmd=%d len=%lu", (int)szBuffer[0], (unsigned long)ulLength);
+        break;
+    }
+    return TRUE;
+}
+
+// ------------------------------------------------------------------ 网络主线程
+static void ConnectionThread()
+{
+    LOGI("ConnectionThread → %s:%d", g_serverIp.c_str(), g_serverPort);
+
+    PostStatus("geo: fetching...");
+    std::string g_pubIp, g_location;
+    FetchGeoInfo(g_pubIp, g_location);
+    PostStatus(("geo: " + (g_pubIp.empty() ? "failed" : g_pubIp)).c_str());
+
+    LOGIN_INFOR logInfo;
+    {
+        std::string pcName = g_deviceModel;
+        if (g_SETTINGS.szGroupName[0]) { pcName += '/'; pcName += g_SETTINGS.szGroupName; }
+        strncpy(logInfo.szPCName, pcName.c_str(), sizeof(logInfo.szPCName) - 1);
+    }
+    strncpy(logInfo.OsVerInfoEx,  g_androidVersion.c_str(), sizeof(logInfo.OsVerInfoEx) - 1);
+    strncpy(logInfo.szStartTime,  ToPekingTimeAsString(nullptr).c_str(), sizeof(logInfo.szStartTime) - 1);
+    logInfo.dwCPUMHz      = GetCpuMHz();
+    logInfo.bWebCamIsExist = 0;
+
+    g_myClientID = XXH64(g_androidId.c_str(), g_androidId.size(), 0);
+
+    logInfo.AddReserved("APK");
+    logInfo.AddReserved(64);                                              // OS bits
+    logInfo.AddReserved(GetCpuCores());                                   // CPU 核数
+    logInfo.AddReserved(GetMemoryGB());                                   // 内存 GB
+    logInfo.AddReserved(g_apkPath.empty() ? "/data/app/com.yama.client"
+                                           : g_apkPath.c_str());         // 文件路径
+    logInfo.AddReserved("?");
+    logInfo.AddReserved(logInfo.szStartTime);
+    logInfo.AddReserved("?");
+    logInfo.AddReserved(64);                                              // 程序位数
+    logInfo.AddReserved("");
+    logInfo.AddReserved(g_location.c_str());                               // [10] 地理位置
+    logInfo.AddReserved(g_pubIp.c_str());                                  // [11] 公网 IP
+    logInfo.AddReserved("v1.0.0");
+    logInfo.AddReserved(g_username.c_str());
+    logInfo.AddReserved(0);                                               // IsRunningAsAdmin
+    logInfo.AddReserved(g_screenRes.c_str());
+    logInfo.AddReserved(std::to_string(g_myClientID).c_str());
+    logInfo.AddReserved((int)getpid());                                   // PID
+    logInfo.AddReserved(FormatFileSize(GetFileSize(g_apkPath)).c_str()); // 文件大小
+
+    ClientAuth::g_loginMsg = std::string(logInfo.szStartTime) + "|" + std::to_string(g_myClientID);
+    LOGI("ClientID=%" PRIu64, g_myClientID);
+
+    std::unique_ptr<IOCPClient> client(new IOCPClient(g_bExit, false));
+    client->setManagerCallBack(nullptr, DataProcess, nullptr);
+
+    int g_connAttempt = 0;
+    while (S_CLIENT_NORMAL == g_bExit && g_running.load()) {
+        char connMsg[64];
+        snprintf(connMsg, sizeof(connMsg), "connect #%d → %s:%d",
+                 ++g_connAttempt, g_serverIp.c_str(), g_serverPort);
+        PostStatus(connMsg);
+        clock_t c = clock();
+        if (!client->ConnectServer(g_serverIp.c_str(), g_serverPort)) {
+            snprintf(connMsg, sizeof(connMsg), "connect #%d failed errno=%d", g_connAttempt, errno);
+            PostStatus(connMsg);
+            Sleep(5000);
+            continue;
+        }
+
+        PostStatus("connected! sending login...");
+        ClientAuth::OnNewConnection();
+        {
+            std::lock_guard<std::mutex> lk(g_shMutex);
+            std::string pcName = g_deviceModel;
+            if (g_SETTINGS.szGroupName[0]) { pcName += '/'; pcName += g_SETTINGS.szGroupName; }
+            strncpy(logInfo.szPCName, pcName.c_str(), sizeof(logInfo.szPCName) - 1);
+            logInfo.szPCName[sizeof(logInfo.szPCName) - 1] = '\0';
+        }
+        client->SendLoginInfo(logInfo.Speed(clock() - c));
+        g_lastHeartbeatAckMs.store(GetUnixMs(), std::memory_order_relaxed);
+        LOGI("Connected & login sent");
+
+        while (client->IsRunning() && client->IsConnected()
+               && S_CLIENT_NORMAL == g_bExit && g_running.load())
+        {
+            int interval = g_heartbeatInterval > 0 ? g_heartbeatInterval : 30;
+            for (int i = 0; i < interval; ++i) {
+                if (!client->IsRunning() || !client->IsConnected()
+                    || g_bExit != S_CLIENT_NORMAL || !g_running.load()) {
+                    char dbg[96];
+                    snprintf(dbg, sizeof(dbg), "drop@%ds run=%d conn=%d exit=%d run2=%d",
+                             i, (int)client->IsRunning(), (int)client->IsConnected(),
+                             (int)(g_bExit == S_CLIENT_NORMAL), (int)g_running.load());
+                    PostStatus(dbg);
+                    break;
+                }
+                Sleep(1000);
+            }
+            if (!client->IsRunning() || !client->IsConnected()
+                || g_bExit != S_CLIENT_NORMAL || !g_running.load()) break;
+
+            if (ClientAuth::IsTimedOut()) {
+                PostStatus("timeout: masterSettings");
+                continue;
+            }
+
+            {
+                int ackTO = (interval * 3 > 60) ? interval * 3 : 60;
+                uint64_t last = g_lastHeartbeatAckMs.load(std::memory_order_relaxed);
+                uint64_t now  = GetUnixMs();
+                if (last > 0 && now > last && now - last > (uint64_t)ackTO * 1000ULL) {
+                    PostStatus("timeout: ACK");
+                    continue;
+                }
+            }
+
+            Heartbeat hb;
+            hb.Time = GetUnixMs();
+            hb.Ping = (int)(g_rttEstimator.srtt * 1000.0);
+            std::string aw = GetActiveWindowFromJava();
+            strncpy(hb.ActiveWnd, aw.c_str(), sizeof(hb.ActiveWnd) - 1);
+
+            BYTE buf[sizeof(Heartbeat) + 1];
+            buf[0] = TOKEN_HEARTBEAT;
+            memcpy(buf + 1, &hb, sizeof(Heartbeat));
+            client->Send2Server((char*)buf, sizeof(buf));
+            {
+                uint64_t now2 = GetUnixMs();
+                if (now2 - g_lastHbLogMs.load(std::memory_order_relaxed) >= HB_LOG_INTERVAL_MS) {
+                    // ACK 分支会更新 g_lastHbLogMs，这里仅在没有 ACK 时兜底打印
+                    LOGI("Heartbeat Ping=%dms", hb.Ping);
+                }
+            }
+        }
+        PostStatus("disconnected, retry...");
+        // Give server 2 s to remove old context from HostList; without this
+        // the immediate reconnect hits "already exists" and server skips SendMasterSettings.
+        std::this_thread::sleep_for(std::chrono::seconds(2));
+    }
+
+    g_running.store(false);
+    LOGI("ConnectionThread exit");
+
+    if (g_bExit == S_CLIENT_EXIT && g_jvm && g_captureClass && g_nativeExitMid) {
+        JNIEnv* jenv = nullptr;
+        bool attached = false;
+        if (g_jvm->GetEnv((void**)&jenv, JNI_VERSION_1_6) == JNI_EDETACHED) {
+            g_jvm->AttachCurrentThread(&jenv, nullptr);
+            attached = true;
+        }
+        if (jenv) {
+            jenv->CallStaticVoidMethod(g_captureClass, g_nativeExitMid);
+            if (jenv->ExceptionCheck()) jenv->ExceptionClear();
+        }
+        if (attached) g_jvm->DetachCurrentThread();
+    }
+}
+
+// ------------------------------------------------------------------ JNI
+extern "C" {
+
+JNIEXPORT jint JNICALL
+Java_com_yama_client_YamaBridge_nativeInit(
+    JNIEnv* env, jobject,
+    jstring serverIp, jint serverPort,
+    jstring androidId, jstring deviceModel,
+    jstring androidVersion, jstring screenRes,
+    jstring username, jstring apkPath, jstring filesDir)
+{
+    // CPP-01 fix: CAS 原子地完成"检查+设置"，消除 check-then-act 竞争
+    bool expected = false;
+    if (!g_running.compare_exchange_strong(expected, true)) {
+        LOGI("already running"); return -1;
+    }
+
+    auto toStr = [&](jstring js) -> std::string {
+        if (!js) return "";
+        const char* c = env->GetStringUTFChars(js, nullptr);
+        std::string s = c ? c : "";
+        env->ReleaseStringUTFChars(js, c);
+        return s;
+    };
+
+    g_serverIp       = g_SETTINGS.ServerIP();
+    g_serverPort     = g_SETTINGS.ServerPort();
+    g_androidId      = toStr(androidId);
+    g_deviceModel    = toStr(deviceModel);
+    g_androidVersion = toStr(androidVersion);
+    g_screenRes      = toStr(screenRes);
+    g_username       = toStr(username);
+    g_apkPath        = toStr(apkPath);
+    g_filesDir       = toStr(filesDir);
+    LoadGroupName();   // 若文件存在则覆盖 g_SETTINGS.szGroupName（优先级高于编译时 patch）
+
+    // 缓存 JVM 和 Class/Method 引用。必须在 Java 线程（nativeInit 调用栈）
+    // 里做 FindClass，否则 AttachCurrentThread 的后台线程只有系统 ClassLoader，
+    // 找不到 App 类，GetStaticMethodID 拿到 null 导致后续调用崩溃。
+    if (g_jvm == nullptr) {
+        if (env->GetJavaVM(&g_jvm) == JNI_OK) {
+            jclass cls = env->FindClass("com/yama/client/ControlService");
+            if (cls) {
+                g_ctrlClass  = (jclass)env->NewGlobalRef(cls);
+                g_ctrlMethod = env->GetStaticMethodID(g_ctrlClass, "onControlEvent", "(IJII)V");
+                if (!g_ctrlMethod) LOGE("ControlService.onControlEvent not found");
+                g_getActiveWindowMid = env->GetStaticMethodID(g_ctrlClass, "getActiveWindow", "()Ljava/lang/String;");
+                if (env->ExceptionCheck()) { env->ExceptionClear(); g_getActiveWindowMid = nullptr; }
+                if (!g_getActiveWindowMid) LOGE("ControlService.getActiveWindow not found");
+            } else {
+                LOGE("ControlService class not found");
+            }
+            jclass capCls = env->FindClass("com/yama/client/CaptureService");
+            if (env->ExceptionCheck()) { env->ExceptionClear(); capCls = nullptr; }
+            if (capCls) {
+                g_captureClass  = (jclass)env->NewGlobalRef(capCls);
+                g_requestIdrMid = env->GetStaticMethodID(g_captureClass, "requestIdr", "()V");
+                if (env->ExceptionCheck()) { env->ExceptionClear(); g_requestIdrMid = nullptr; }
+                if (!g_requestIdrMid) LOGE("CaptureService.requestIdr not found");
+                // GetStaticMethodID 找不到方法时会挂起 JNI 异常；必须清除，
+                // 否则 nativeInit 返回时 Java 层会抛出 NoSuchMethodError 崩溃。
+                g_forceFirstFrameMid = env->GetStaticMethodID(g_captureClass, "forceFirstFrame", "()V");
+                if (env->ExceptionCheck()) { env->ExceptionClear(); g_forceFirstFrameMid = nullptr; }
+                if (!g_forceFirstFrameMid) LOGE("CaptureService.forceFirstFrame not found");
+                g_statusMid = env->GetStaticMethodID(g_captureClass, "onNativeStatus", "(Ljava/lang/String;)V");
+                if (env->ExceptionCheck()) { env->ExceptionClear(); g_statusMid = nullptr; }
+                if (!g_statusMid) LOGE("CaptureService.onNativeStatus not found");
+                g_nativeExitMid = env->GetStaticMethodID(g_captureClass, "onNativeExit", "()V");
+                if (env->ExceptionCheck()) { env->ExceptionClear(); g_nativeExitMid = nullptr; }
+                if (!g_nativeExitMid) LOGE("CaptureService.onNativeExit not found");
+                UseAndroidLog(PostStatus);
+            } else {
+                LOGE("CaptureService class not found");
+            }
+        }
+    }
+
+    g_bExit = S_CLIENT_NORMAL;
+    // g_running 已在 CAS 中设为 true，不重复 store
+    std::thread(ConnectionThread).detach();
+    LOGI("nativeInit OK server=%s:%d", g_serverIp.c_str(), g_serverPort);
+    return 0;
+}
+
+JNIEXPORT void JNICALL
+Java_com_yama_client_YamaBridge_nativeStop(JNIEnv*, jobject)
+{
+    LOGI("nativeStop");
+    g_bExit = S_CLIENT_EXIT;
+    g_running.store(false);
+}
+
+// 由 CaptureService 在 MediaCodec 配置完成后调用，告知 C++ 侧实际捕获尺寸
+JNIEXPORT void JNICALL
+Java_com_yama_client_YamaBridge_nativeSetScreenSize(JNIEnv*, jobject, jint width, jint height)
+{
+    g_screenWidth.store(width);
+    g_screenHeight.store(height);
+    LOGI("ScreenSize=%dx%d", width, height);
+}
+
+// 由 CaptureService 的 MediaCodec.Callback 调用，投递 H.264 NALU
+JNIEXPORT void JNICALL
+Java_com_yama_client_YamaBridge_nativeOnH264Frame(
+    JNIEnv* env, jobject,
+    jbyteArray data, jint offset, jint size, jboolean isKeyframe)
+{
+    // CPP-04 fix: 验证 offset/size 边界，防止越界读写导致崩溃
+    if (!data || offset < 0 || size <= 0) return;
+    jsize arrLen = env->GetArrayLength(data);
+    if ((jlong)offset + size > arrLen) {
+        LOGE("nativeOnH264Frame: bounds violation offset=%d size=%d arrLen=%d", offset, size, arrLen);
+        return;
+    }
+
+    jbyte* buf = env->GetByteArrayElements(data, nullptr);
+    if (!buf) return;
+
+    {
+        std::lock_guard<std::mutex> lk(g_shMutex);
+        for (auto* h : g_screenHandlers)
+            h->OnFrameData((const uint8_t*)buf + offset, (uint32_t)size, (bool)isKeyframe);
+    }
+
+    env->ReleaseByteArrayElements(data, buf, JNI_ABORT);
+}
+
+} // extern "C"

android/app/src/main/java/com/yama/client/CaptureService.kt

@@ -0,0 +1,409 @@
+package com.yama.client
+
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.Service
+import android.content.Intent
+import android.hardware.display.DisplayManager
+import android.hardware.display.VirtualDisplay
+import android.media.MediaCodec
+import android.media.MediaCodecInfo
+import android.media.MediaFormat
+import android.media.projection.MediaProjection
+import android.media.projection.MediaProjectionManager
+import android.os.Build
+import android.os.Bundle
+import android.os.Handler
+import android.os.IBinder
+import android.os.Looper
+import android.provider.Settings
+import android.util.DisplayMetrics
+import android.util.Log
+import android.view.WindowManager
+import android.widget.Toast
+
+class CaptureService : Service() {
+
+    companion object {
+        const val TAG = "YAMA"
+        const val CHANNEL_ID = "yama_service"
+        const val NOTIF_ID   = 1
+
+        const val EXTRA_SERVER_IP         = "server_ip"
+        const val EXTRA_SERVER_PORT       = "server_port"
+        const val EXTRA_PROJECTION_RESULT = "projection_result"
+        const val EXTRA_PROJECTION_DATA   = "projection_data"
+
+        private const val MAX_LONG_SIDE = 1080
+
+        // CS-01 fix: 通过 idrHandler.post 序列化到主线程，避免 TOCTOU 竞争
+        @Volatile var instance: CaptureService? = null
+
+        @JvmStatic
+        fun onNativeStatus(msg: String) {
+            val svc = instance ?: return
+            svc.idrHandler.post {
+                Toast.makeText(svc, msg, Toast.LENGTH_LONG).show()
+            }
+        }
+
+        @JvmStatic
+        fun onNativeExit() {
+            val svc = instance ?: return
+            Log.i(TAG, "onNativeExit: server requested disconnect, stopping service")
+            svc.idrHandler.post { svc.stopSelf() }
+        }
+
+        @JvmStatic
+        fun requestIdr() {
+            val svc = instance ?: return
+            svc.idrHandler.post {
+                runCatching {
+                    val p = Bundle()
+                    p.putInt(MediaCodec.PARAMETER_KEY_REQUEST_SYNC_FRAME, 0)
+                    svc.mediaCodec?.setParameters(p)
+                }
+            }
+        }
+
+        /**
+         * 静止屏幕黑屏修复：SurfaceFlinger 在无脏区时不向 VirtualDisplay 推帧，
+         * 导致编码器无输入，REQUEST_SYNC_FRAME 悬空排队，浏览器等 10-60 秒才见画面。
+         * 解决方法：将 VirtualDisplay 宽度临时改变 2px，触发一次强制合成，
+         * 编码器随即得到输入帧并消费已排队的 IDR 请求。150ms 后恢复原始尺寸。
+         */
+        @JvmStatic
+        fun forceFirstFrame() {
+            val svc = instance ?: return
+            svc.idrHandler.post {
+                runCatching {
+                    val vd  = svc.virtualDisplay ?: return@runCatching
+                    val w   = ControlService.encW
+                    val h   = ControlService.encH
+                    val dpi = svc.resources.displayMetrics.densityDpi
+                    Log.d(TAG, "forceFirstFrame: resize ${w}x${h} → ${w+2}x${h} to trigger composition")
+                    vd.resize(w + 2, h, dpi)
+                    svc.idrHandler.postDelayed({
+                        runCatching { vd.resize(w, h, dpi) }
+                        Log.d(TAG, "forceFirstFrame: restored ${w}x${h}")
+                    }, 150)
+                }
+            }
+        }
+    }
+
+    private var mediaProjection: MediaProjection? = null
+    private var virtualDisplay: VirtualDisplay?  = null
+    private var mediaCodec: MediaCodec?          = null
+
+    private val idrHandler = Handler(Looper.getMainLooper())
+    // CS-04 fix: runCatching 包住 setParameters，防止 codec 已停止时抛异常
+    private val idrRunnable = object : Runnable {
+        override fun run() {
+            runCatching {
+                val p = Bundle()
+                p.putInt(MediaCodec.PARAMETER_KEY_REQUEST_SYNC_FRAME, 0)
+                mediaCodec?.setParameters(p)
+            }
+            idrHandler.postDelayed(this, 1000)
+        }
+    }
+
+    override fun onBind(intent: Intent?): IBinder? = null
+
+    override fun onCreate() {
+        super.onCreate()
+        instance = this
+        createNotificationChannel()
+        // CS-06: start with DATA_SYNC type only; upgrade to MEDIA_PROJECTION in
+        // onStartCommand when the token is actually available.  On Android 14+
+        // (targetSdk 34+) calling startForeground(MEDIA_PROJECTION) without
+        // immediately pairing it with getMediaProjection() causes the system to
+        // kill the service after a ~5-second grace period — the root cause of the
+        // 3-9 s disconnect seen on Google TV when no screen-capture permission
+        // was granted.
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            startForeground(NOTIF_ID, buildNotification(),
+                android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC)
+        } else {
+            startForeground(NOTIF_ID, buildNotification())
+        }
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        // CS-03 fix: START_STICKY 重启时 intent 为 null，必须在最前面检查
+        if (intent == null) return START_NOT_STICKY
+        val ip   = intent.getStringExtra(EXTRA_SERVER_IP)   ?: return START_NOT_STICKY
+        val port = intent.getIntExtra(EXTRA_SERVER_PORT, 443)
+
+        val androidId = Settings.Secure.getString(contentResolver, Settings.Secure.ANDROID_ID) ?: ""
+        val model     = "${Build.MANUFACTURER} ${Build.MODEL}"
+        val osVer     = "Android ${Build.VERSION.RELEASE} (API ${Build.VERSION.SDK_INT})"
+        val (sw, sh)  = getPhysicalResolution()
+        val res       = "1:${sw}*${sh}"
+        val user      = Build.USER
+
+        Log.i(TAG, "CaptureService: server=$ip:$port device=$model res=$res")
+
+        // YB-01 fix: so 库加载失败是 Error，不被 catch(Exception) 捕获，需单独处理
+        // ExceptionInInitializerError 包裹 UnsatisfiedLinkError（首次访问 object 时触发）
+        val initRet: Int
+        try {
+            initRet = YamaBridge.nativeInit(ip, port, androidId, model, osVer, res, user, packageCodePath ?: "", filesDir.absolutePath)
+        } catch (e: UnsatisfiedLinkError) {
+            Log.e(TAG, "Native library load failed: $e")
+            stopSelf()
+            return START_NOT_STICKY
+        } catch (e: ExceptionInInitializerError) {
+            Log.e(TAG, "Native library init failed: ${e.cause}")
+            stopSelf()
+            return START_NOT_STICKY
+        }
+        if (initRet != 0) {
+            Log.e(TAG, "nativeInit failed: ret=$initRet")
+            stopSelf()
+            return START_NOT_STICKY
+        }
+
+        val projResult = intent.getIntExtra(EXTRA_PROJECTION_RESULT, -1)
+        val projData   = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU)
+            intent.getParcelableExtra(EXTRA_PROJECTION_DATA, Intent::class.java)
+        else
+            @Suppress("DEPRECATION") intent.getParcelableExtra(EXTRA_PROJECTION_DATA)
+
+        if (projResult == android.app.Activity.RESULT_OK && projData != null) {
+            // Android 14+: upgrade foreground type to MEDIA_PROJECTION in the same
+            // start command that calls getMediaProjection(), as required by API 34+.
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                startForeground(NOTIF_ID, buildNotification(),
+                    android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION)
+            }
+            val pm = getSystemService(MEDIA_PROJECTION_SERVICE) as MediaProjectionManager
+            val mp = pm.getMediaProjection(projResult, projData)
+            mediaProjection = mp
+            // CS-05 fix: 分辨率为 0 时不启动采集，避免 MediaCodec 配置崩溃
+            if (sw > 0 && sh > 0) {
+                try {
+                    startCapture(mp, sw, sh)
+                } catch (e: Exception) {
+                    Log.e(TAG, "Screen capture failed: $e — running without capture")
+                }
+            } else {
+                Log.e(TAG, "Invalid screen resolution ${sw}x${sh}, skipping capture")
+            }
+        } else {
+            Log.w(TAG, "No MediaProjection token, skipping screen capture")
+        }
+
+        return START_STICKY
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        instance = null
+        stopCapture()
+        YamaBridge.nativeStop()
+        Log.i(TAG, "CaptureService destroyed")
+    }
+
+    // ---------------------------------------------------------------- MediaProjection + MediaCodec
+
+    private fun startCapture(mp: MediaProjection, physW: Int, physH: Int) {
+        val (encW, encH) = scaleDown(physW, physH, MAX_LONG_SIDE)
+        val dpi = resources.displayMetrics.densityDpi
+
+        Log.i(TAG, "Capture: phys=${physW}x${physH} enc=${encW}x${encH} dpi=$dpi")
+
+        val codec = MediaCodec.createEncoderByType(MediaFormat.MIMETYPE_VIDEO_AVC)
+        val surface = configureEncoder(codec, encW, encH)
+
+        var configData: ByteArray? = null
+
+        codec.setCallback(object : MediaCodec.Callback() {
+            override fun onInputBufferAvailable(mc: MediaCodec, index: Int) { /* Surface 模式不用 */ }
+
+            override fun onOutputBufferAvailable(mc: MediaCodec, index: Int, info: MediaCodec.BufferInfo) {
+                val buf = mc.getOutputBuffer(index)
+                if (buf == null || info.size == 0) {
+                    mc.releaseOutputBuffer(index, false)
+                    return
+                }
+                buf.position(info.offset)
+                buf.limit(info.offset + info.size)
+
+                if (info.flags and MediaCodec.BUFFER_FLAG_CODEC_CONFIG != 0) {
+                    configData = ByteArray(info.size).also { buf.get(it) }
+                    mc.releaseOutputBuffer(index, false)
+                    return
+                }
+
+                val isKey = info.flags and MediaCodec.BUFFER_FLAG_KEY_FRAME != 0
+                val frame = ByteArray(info.size).also { buf.get(it) }
+                mc.releaseOutputBuffer(index, false)
+
+                // 部分安卓硬件编码器（如某些高通实现）对 REQUEST_SYNC_FRAME 强制产生的
+                // IDR 帧不设置 BUFFER_FLAG_KEY_FRAME，导致 SendLoop 将所有帧视为 P 帧丢弃。
+                // 补充扫描 NALU 字节来识别真正的关键帧，确保首帧能顺利发出。
+                val actualIsKey = isKey || isNaluKeyframe(frame)
+                val payload = if (actualIsKey && configData != null) configData!! + frame else frame
+                YamaBridge.nativeOnH264Frame(payload, 0, payload.size, actualIsKey)
+            }
+
+            override fun onError(mc: MediaCodec, e: MediaCodec.CodecException) {
+                Log.e(TAG, "MediaCodec error: $e")
+            }
+
+            override fun onOutputFormatChanged(mc: MediaCodec, format: MediaFormat) {
+                Log.i(TAG, "Output format: $format")
+            }
+        })
+
+        codec.start()
+        mediaCodec = codec
+
+        idrHandler.postDelayed(idrRunnable, 500)
+
+        // Android 14+ requires callback registered before createVirtualDisplay()
+        mp.registerCallback(object : MediaProjection.Callback() {
+            override fun onStop() {
+                Log.i(TAG, "MediaProjection stopped — switching to dataSync foreground type")
+                stopCapture()
+                // Android 14+: system auto-kills a foreground service whose mediaProjection
+                // is revoked. Re-declare as dataSync-only to survive without screen capture.
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                    startForeground(NOTIF_ID, buildNotification(),
+                        android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC)
+                }
+            }
+        }, null)
+
+        virtualDisplay = mp.createVirtualDisplay(
+            "YAMA",
+            encW, encH, dpi,
+            DisplayManager.VIRTUAL_DISPLAY_FLAG_AUTO_MIRROR,
+            surface, null, null
+        )
+
+        YamaBridge.nativeSetScreenSize(encW, encH)
+
+        ControlService.physW = physW
+        ControlService.physH = physH
+        ControlService.encW  = encW
+        ControlService.encH  = encH
+
+        Log.i(TAG, "MediaCodec + VirtualDisplay started ${encW}x${encH}")
+    }
+
+    private fun buildFmt(w: Int, h: Int, lowLatency: Boolean, baseline: Boolean) =
+        MediaFormat.createVideoFormat(MediaFormat.MIMETYPE_VIDEO_AVC, w, h).apply {
+            setInteger(MediaFormat.KEY_COLOR_FORMAT,
+                MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface)
+            setInteger(MediaFormat.KEY_BIT_RATE,         4_000_000)
+            setInteger(MediaFormat.KEY_FRAME_RATE,       30)
+            setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 2)
+            setInteger(MediaFormat.KEY_PRIORITY,         0)
+            setInteger(MediaFormat.KEY_OPERATING_RATE,   30)
+            if (lowLatency) {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
+                    setInteger(MediaFormat.KEY_LATENCY, 0)
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
+                    setInteger(MediaFormat.KEY_LOW_LATENCY, 1)
+            }
+            if (baseline)
+                setInteger(MediaFormat.KEY_PROFILE,
+                    MediaCodecInfo.CodecProfileLevel.AVCProfileBaseline)
+        }
+
+    // 逐级降级：低延迟+Baseline → 低延迟 → 默认，确保真机兼容
+    private fun configureEncoder(codec: MediaCodec, w: Int, h: Int): android.view.Surface {
+        val configs = listOf(
+            true  to true,
+            true  to false,
+            false to false,
+        )
+        for ((ll, bl) in configs) {
+            try {
+                val fmt = buildFmt(w, h, ll, bl)
+                codec.configure(fmt, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE)
+                Log.i(TAG, "Encoder configured: lowLatency=$ll baseline=$bl")
+                return codec.createInputSurface()
+            } catch (e: Exception) {
+                Log.w(TAG, "Encoder config failed (lowLatency=$ll baseline=$bl): $e, retrying…")
+                try { codec.reset() } catch (_: Exception) {}
+            }
+        }
+        throw RuntimeException("MediaCodec: all encoder configs failed")
+    }
+
+    private fun stopCapture() {
+        idrHandler.removeCallbacks(idrRunnable)
+        runCatching { virtualDisplay?.release() }
+        // CS-07 fix: stop 和 release 分开，stop 失败不会跳过 release 导致资源泄漏
+        runCatching { mediaCodec?.stop() }
+        runCatching { mediaCodec?.release() }
+        runCatching { mediaProjection?.stop() }
+        virtualDisplay  = null
+        mediaCodec      = null
+        mediaProjection = null
+    }
+
+    // ---------------------------------------------------------------- 辅助函数
+
+    private fun getPhysicalResolution(): Pair<Int, Int> {
+        val wm = getSystemService(WINDOW_SERVICE) as WindowManager
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            val b = wm.currentWindowMetrics.bounds
+            Pair(b.width(), b.height())
+        } else {
+            @Suppress("DEPRECATION")
+            val dm = DisplayMetrics()
+            @Suppress("DEPRECATION")
+            wm.defaultDisplay.getRealMetrics(dm)
+            Pair(dm.widthPixels, dm.heightPixels)
+        }
+    }
+
+    /** 扫描 Annex-B NALU 流，遇到 NAL type 5(IDR)、7(SPS)、8(PPS) 即判定为关键帧 */
+    private fun isNaluKeyframe(data: ByteArray): Boolean {
+        var i = 0
+        while (i + 4 < data.size) {
+            if (data[i] == 0.toByte() && data[i+1] == 0.toByte() &&
+                data[i+2] == 0.toByte() && data[i+3] == 1.toByte()) {
+                val nalType = data[i + 4].toInt() and 0x1F
+                if (nalType == 5 || nalType == 7 || nalType == 8) return true
+                i += 5
+            } else {
+                i++
+            }
+        }
+        return false
+    }
+
+    /** 按长边上限等比缩小，宽高各自 2 对齐（H.264 要求） */
+    private fun scaleDown(w: Int, h: Int, maxLong: Int): Pair<Int, Int> {
+        val longSide = maxOf(w, h)
+        if (longSide <= maxLong) return Pair(w and -2, h and -2)
+        val scale = maxLong.toDouble() / longSide
+        return Pair((w * scale).toInt() and -2, (h * scale).toInt() and -2)
+    }
+
+    private fun createNotificationChannel() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            val ch = NotificationChannel(CHANNEL_ID, "YAMA Service",
+                NotificationManager.IMPORTANCE_LOW)
+            getSystemService(NotificationManager::class.java)?.createNotificationChannel(ch)
+        }
+    }
+
+    private fun buildNotification(): Notification {
+        val b = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+            Notification.Builder(this, CHANNEL_ID)
+        else
+            @Suppress("DEPRECATION") Notification.Builder(this)
+        return b.setContentTitle("YAMA")
+                .setContentText("Screen monitoring active")
+                .setSmallIcon(android.R.drawable.ic_menu_camera)
+                .build()
+    }
+}

android/app/src/main/java/com/yama/client/ControlService.kt

@@ -0,0 +1,424 @@
+package com.yama.client
+
+import android.accessibilityservice.AccessibilityService
+import android.accessibilityservice.GestureDescription
+import android.annotation.SuppressLint
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.graphics.Path
+import android.graphics.PointF
+import android.os.Build
+import android.os.Handler
+import android.os.Looper
+import android.os.SystemClock
+import android.util.Log
+import android.view.View
+import android.view.accessibility.AccessibilityEvent
+import android.view.accessibility.AccessibilityNodeInfo
+
+/**
+ * AccessibilityService that injects touch gestures and global key actions
+ * dispatched by the server (COMMAND_SCREEN_CONTROL / MSG64).
+ *
+ * Requires API 24+ for dispatchGesture(); guarded at runtime so the APK
+ * installs on API 21+ but gesture injection only runs on 24+.
+ *
+ * Activation: Settings → Accessibility → YAMA → enable.
+ */
+@SuppressLint("NewApi")
+class ControlService : AccessibilityService() {
+
+    companion object {
+        const val TAG = "YAMA_CTRL"
+
+        // ── Service instance ─────────────────────────────────────────────
+        @Volatile var instance: ControlService? = null
+
+        // ── Active foreground window ─────────────────────────────────────
+        @JvmStatic
+        @Volatile var activeWindow: String = "Android"
+
+        // ── Screen geometry (set by CaptureService) ──────────────────────
+        // Server sends coords in encoding space [0, encW) × [0, encH).
+        // We map them to physical screen space before dispatching.
+        @Volatile var physW = 1080
+        @Volatile var physH = 1920
+        @Volatile var encW  = 1080
+        @Volatile var encH  = 1920
+
+        // ── Windows message constants ────────────────────────────────────
+        const val WM_MOUSEMOVE     = 0x0200
+        const val WM_LBUTTONDOWN   = 0x0201
+        const val WM_LBUTTONUP     = 0x0202
+        const val WM_LBUTTONDBLCLK = 0x0203
+        const val WM_RBUTTONDOWN   = 0x0204
+        const val WM_MBUTTONDOWN   = 0x0207
+        const val WM_MOUSEWHEEL    = 0x020A
+        const val WM_KEYDOWN       = 0x0100
+        const val WM_SYSKEYDOWN    = 0x0104
+
+        /**
+         * Called from C++ DataProcess() via JNI on the IO thread.
+         * Parameters:
+         *   message – Windows WM_* constant (low 16 bits of MSG64.message)
+         *   wParam  – MSG64.wParam (key/button flags; high word of MOUSEWHEEL = delta)
+         *   ptX/ptY – MSG64.pt in encoding-space pixels
+         */
+        @JvmStatic
+        fun onControlEvent(message: Int, wParam: Long, ptX: Int, ptY: Int) {
+            val svc = instance ?: run {
+                Log.w(TAG, "ControlService inactive — event 0x${message.toString(16)} dropped")
+                return
+            }
+            // All gesture state lives on the main thread; post there.
+            svc.handler.post { svc.handleEvent(message, wParam, ptX, ptY) }
+        }
+    }
+
+    // ── Screen state receiver ─────────────────────────────────────────────
+    private val screenReceiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context?, intent: Intent?) {
+            when (intent?.action) {
+                Intent.ACTION_SCREEN_OFF   -> activeWindow = "Locked"
+                Intent.ACTION_USER_PRESENT -> activeWindow = "Android"
+            }
+        }
+    }
+
+    // ── Main-thread handler ───────────────────────────────────────────────
+    private val handler = Handler(Looper.getMainLooper())
+
+    // ── TV (Google TV / Android TV) D-pad mode ───────────────────────────
+    // Activated when FEATURE_LEANBACK is present. Mouse events are translated
+    // to accessibility focus navigation — no touchscreen or root required.
+    private var isTV = false
+    private var tvLastEncX = -1f
+    private var tvLastEncY = -1f
+    private var tvAccumDX  = 0f
+    private var tvAccumDY  = 0f
+    private val TV_STEP    = 40f   // encoding-space pixels per D-pad step
+    // Touch-drag disambiguation: fire click on LBUTTONUP only if finger barely moved
+    private var tvTouchDown  = false
+    private var tvTouchDownX = 0f
+    private var tvTouchDownY = 0f
+    private var tvTouchMoved = false
+    private val TV_TAP_THRESHOLD = 15f  // encoding pixels — below this = tap, above = drag
+
+    // ── Left-button drag accumulator ─────────────────────────────────────
+    private var lbuttonDown  = false
+    private var gestureStart = 0L
+    // Pairs of (millisecond offset from gesture start, screen point)
+    private val strokePoints = mutableListOf<Pair<Long, PointF>>()
+
+    // ─────────────────────────────────────────────────────────────────────
+    // AccessibilityService lifecycle
+
+    override fun onServiceConnected() {
+        super.onServiceConnected()
+        instance = this
+        isTV = packageManager.hasSystemFeature("android.software.leanback")
+        if (isTV) Log.i(TAG, "TV mode: D-pad navigation enabled")
+        val filter = IntentFilter().apply {
+            addAction(Intent.ACTION_SCREEN_OFF)
+            addAction(Intent.ACTION_USER_PRESENT)
+        }
+        registerReceiver(screenReceiver, filter)
+        Log.i(TAG, "ControlService connected  phys=${physW}x${physH}  enc=${encW}x${encH}")
+    }
+
+    override fun onAccessibilityEvent(event: AccessibilityEvent?) {
+        if (event?.eventType == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
+            val pkg = event.packageName?.toString()
+            if (!pkg.isNullOrEmpty()) activeWindow = pkg
+        }
+    }
+    override fun onInterrupt() {}
+
+    override fun onDestroy() {
+        super.onDestroy()
+        runCatching { unregisterReceiver(screenReceiver) }
+        instance = null
+        Log.i(TAG, "ControlService destroyed")
+    }
+
+    // ─────────────────────────────────────────────────────────────────────
+    // Event routing (runs on main thread)
+
+    private fun handleEvent(message: Int, wParam: Long, ptX: Int, ptY: Int) {
+        if (isTV) { handleEventTV(message, wParam, ptX, ptY); return }
+        // Scale encoding-space coords to physical screen
+        val x = if (encW > 0) ptX.toFloat() * physW / encW else ptX.toFloat()
+        val y = if (encH > 0) ptY.toFloat() * physH / encH else ptY.toFloat()
+        if (message != WM_MOUSEMOVE)
+            Log.d(TAG, "event 0x${message.toString(16)} enc=($ptX,$ptY) phys=(${x.toInt()},${y.toInt()})")
+
+        when (message) {
+
+            // ── Left button: accumulate drag path, dispatch on up ─────────
+            WM_LBUTTONDOWN -> {
+                lbuttonDown  = true
+                gestureStart = SystemClock.uptimeMillis()
+                strokePoints.clear()
+                strokePoints.add(0L to PointF(x, y))
+            }
+            WM_MOUSEMOVE -> {
+                if (lbuttonDown) {
+                    strokePoints.add((SystemClock.uptimeMillis() - gestureStart) to PointF(x, y))
+                }
+            }
+            WM_LBUTTONUP -> {
+                if (!lbuttonDown) return
+                lbuttonDown = false
+                val elapsed = SystemClock.uptimeMillis() - gestureStart
+                strokePoints.add(elapsed to PointF(x, y))
+                val down = strokePoints[0].second
+                val dx = x - down.x
+                val dy = y - down.y
+
+                // ── System edge-gesture detection ────────────────────────────
+                // dispatchGesture() is unreliable for system gestures; use performGlobalAction.
+                val hEdge   = physH * 0.08f   // 8% of screen height = top/bottom trigger zone
+                val wEdge   = physW * 0.08f   // 8% of screen width  = left/right trigger zone
+                val minH    = physH * 0.15f   // minimum vertical travel
+                val minW    = physW * 0.20f   // minimum horizontal travel
+
+                val fromLeft   = down.x < wEdge   && dx >  minW && Math.abs(dx) > Math.abs(dy) * 1.5f && elapsed < 600L
+                val fromRight  = down.x > physW - wEdge && dx < -minW && Math.abs(dx) > Math.abs(dy) * 1.5f && elapsed < 600L
+                val fromTop    = down.y < hEdge   && dy >  minH && Math.abs(dy) > Math.abs(dx)
+                val fromBottom = down.y > physH - hEdge && dy < -minH && Math.abs(dy) > Math.abs(dx)
+
+                when {
+                    fromLeft || fromRight -> {
+                        Log.d(TAG, "Edge-swipe back (fromLeft=$fromLeft)")
+                        performGlobalAction(GLOBAL_ACTION_BACK)
+                    }
+                    fromTop -> {
+                        // Right half of screen → quick settings; left half → notifications
+                        if (down.x > physW * 0.5f) {
+                            Log.d(TAG, "Top-swipe quick settings")
+                            performGlobalAction(GLOBAL_ACTION_QUICK_SETTINGS)
+                        } else {
+                            Log.d(TAG, "Top-swipe notifications")
+                            performGlobalAction(GLOBAL_ACTION_NOTIFICATIONS)
+                        }
+                    }
+                    fromBottom -> {
+                        // Slow swipe (≥400 ms) or very long travel → Recents; quick swipe → Home
+                        if (elapsed >= 400L || Math.abs(dy) > physH * 0.40f) {
+                            Log.d(TAG, "Bottom-swipe recents (elapsed=${elapsed}ms)")
+                            performGlobalAction(GLOBAL_ACTION_RECENTS)
+                        } else {
+                            Log.d(TAG, "Bottom-swipe home (elapsed=${elapsed}ms)")
+                            performGlobalAction(GLOBAL_ACTION_HOME)
+                        }
+                    }
+                    dx * dx + dy * dy < 100f ->   // 移动 < 10px → 单击
+                        dispatchTap(down.x, down.y)
+                    else ->
+                        dispatchTouchGesture(strokePoints)
+                }
+                // 手势执行后立即请求关键帧，让 decoder 尽快看到屏幕变化
+                CaptureService.requestIdr()
+                strokePoints.clear()
+            }
+
+            // ── Double-click → two rapid taps ────────────────────────────
+            WM_LBUTTONDBLCLK -> {
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) return
+                val p = singlePointPath(x, y)
+                val gesture = GestureDescription.Builder()
+                    .addStroke(GestureDescription.StrokeDescription(p, 0L,   80L))
+                    .addStroke(GestureDescription.StrokeDescription(p, 200L, 80L))
+                    .build()
+                dispatchGesture(gesture, null, null)
+            }
+
+            // ── Right-click → long press (600 ms) ────────────────────────
+            WM_RBUTTONDOWN -> {
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) return
+                val stroke = GestureDescription.StrokeDescription(singlePointPath(x, y), 0L, 600L)
+                dispatchGesture(GestureDescription.Builder().addStroke(stroke).build(), null, null)
+            }
+
+            // ── Scroll wheel → vertical swipe ─────────────────────────────
+            WM_MOUSEWHEEL -> {
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) return
+                // High 16 bits of wParam hold the signed delta (+120 = up, -120 = down)
+                val delta = (wParam.toInt() ushr 16).toShort().toInt()
+                // Wheel-up (+delta) = user wants content above = finger swipes DOWN (+y)
+                val dy = if (delta > 0) 400f else -400f
+                val path = Path().apply { moveTo(x, y); lineTo(x, y + dy) }
+                val stroke = GestureDescription.StrokeDescription(path, 0L, 300L)
+                dispatchGesture(GestureDescription.Builder().addStroke(stroke).build(), null, null)
+                CaptureService.requestIdr()
+            }
+
+            // ── Keyboard → global actions only ───────────────────────────
+            WM_KEYDOWN, WM_SYSKEYDOWN -> handleKeyDown(wParam.toInt() and 0xFFFF)
+        }
+    }
+
+    // ─────────────────────────────────────────────────────────────────────
+    // Helpers
+
+    private fun dispatchTouchGesture(points: List<Pair<Long, PointF>>) {
+        if (points.isEmpty()) return
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) return
+
+        val path = Path()
+        path.moveTo(points[0].second.x, points[0].second.y)
+        for (i in 1 until points.size) {
+            path.lineTo(points[i].second.x, points[i].second.y)
+        }
+        // Minimum 50 ms so Android registers the gesture; use actual elapsed for drags.
+        val duration = maxOf(points.last().first, 50L)
+        val stroke = GestureDescription.StrokeDescription(path, 0L, duration)
+        val ok = dispatchGesture(
+            GestureDescription.Builder().addStroke(stroke).build(),
+            object : GestureResultCallback() {
+                override fun onCompleted(g: GestureDescription?) { Log.d(TAG, "Gesture ok") }
+                override fun onCancelled(g: GestureDescription?) { Log.w(TAG, "Gesture cancelled") }
+            },
+            null
+        )
+        if (!ok) Log.e(TAG, "dispatchGesture returned false (service not ready?)")
+    }
+
+    // ─────────────────────────────────────────────────────────────────────
+    // TV D-pad mode — translates mouse events to accessibility focus actions
+
+    private fun handleEventTV(message: Int, wParam: Long, ptX: Int, ptY: Int) {
+        when (message) {
+            WM_MOUSEMOVE -> {
+                if (tvLastEncX >= 0) {
+                    tvAccumDX += ptX - tvLastEncX
+                    tvAccumDY += ptY - tvLastEncY
+                    while (tvAccumDX >  TV_STEP) { tvMoveFocus(View.FOCUS_RIGHT); tvAccumDX -= TV_STEP }
+                    while (tvAccumDX < -TV_STEP) { tvMoveFocus(View.FOCUS_LEFT);  tvAccumDX += TV_STEP }
+                    while (tvAccumDY >  TV_STEP) { tvMoveFocus(View.FOCUS_DOWN);  tvAccumDY -= TV_STEP }
+                    while (tvAccumDY < -TV_STEP) { tvMoveFocus(View.FOCUS_UP);    tvAccumDY += TV_STEP }
+                }
+                if (tvTouchDown) {
+                    val dx = ptX - tvTouchDownX
+                    val dy = ptY - tvTouchDownY
+                    if (dx * dx + dy * dy > TV_TAP_THRESHOLD * TV_TAP_THRESHOLD) tvTouchMoved = true
+                }
+                tvLastEncX = ptX.toFloat()
+                tvLastEncY = ptY.toFloat()
+            }
+            WM_LBUTTONDOWN -> {
+                tvTouchDown  = true
+                tvTouchDownX = ptX.toFloat()
+                tvTouchDownY = ptY.toFloat()
+                tvTouchMoved = false
+                tvAccumDX    = 0f
+                tvAccumDY    = 0f
+                tvLastEncX   = ptX.toFloat()
+                tvLastEncY   = ptY.toFloat()
+            }
+            WM_LBUTTONUP -> {
+                if (tvTouchDown && !tvTouchMoved) tvClick()
+                tvTouchDown = false
+            }
+            WM_LBUTTONDBLCLK -> tvClick()
+            WM_RBUTTONDOWN  -> performGlobalAction(GLOBAL_ACTION_BACK)
+            WM_MOUSEWHEEL   -> {
+                val delta = (wParam.toInt() ushr 16).toShort().toInt()
+                tvScroll(delta < 0)
+            }
+            WM_KEYDOWN, WM_SYSKEYDOWN -> {
+                val vk = wParam.toInt() and 0xFFFF
+                when (vk) {
+                    0x25 -> tvMoveFocus(View.FOCUS_LEFT)   // VK_LEFT
+                    0x26 -> tvMoveFocus(View.FOCUS_UP)     // VK_UP
+                    0x27 -> tvMoveFocus(View.FOCUS_RIGHT)  // VK_RIGHT
+                    0x28 -> tvMoveFocus(View.FOCUS_DOWN)   // VK_DOWN
+                    0x0D -> tvClick()                       // VK_RETURN
+                    else -> handleKeyDown(vk)
+                }
+            }
+        }
+    }
+
+    @Suppress("DEPRECATION")
+    private fun tvMoveFocus(direction: Int) {
+        val root = rootInActiveWindow ?: return
+        val focused = root.findFocus(AccessibilityNodeInfo.FOCUS_INPUT)
+            ?: root.findFocus(AccessibilityNodeInfo.FOCUS_ACCESSIBILITY)
+        if (focused == null) {
+            val first = findFirstFocusable(root)
+            first?.performAction(AccessibilityNodeInfo.ACTION_FOCUS)
+            first?.recycle()
+        } else {
+            val next = focused.focusSearch(direction)
+            next?.performAction(AccessibilityNodeInfo.ACTION_FOCUS)
+            focused.recycle()
+            next?.recycle()
+        }
+        root.recycle()
+    }
+
+    @Suppress("DEPRECATION")
+    private fun tvClick() {
+        val root = rootInActiveWindow ?: return
+        val focused = root.findFocus(AccessibilityNodeInfo.FOCUS_INPUT)
+            ?: root.findFocus(AccessibilityNodeInfo.FOCUS_ACCESSIBILITY)
+        if (focused != null) {
+            focused.performAction(AccessibilityNodeInfo.ACTION_CLICK)
+            focused.recycle()
+        } else {
+            Log.w(TAG, "tvClick: no focused node")
+        }
+        root.recycle()
+    }
+
+    @Suppress("DEPRECATION")
+    private fun tvScroll(forward: Boolean) {
+        val root = rootInActiveWindow ?: return
+        val action = if (forward) AccessibilityNodeInfo.ACTION_SCROLL_FORWARD
+                     else         AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD
+        val focused = root.findFocus(AccessibilityNodeInfo.FOCUS_INPUT)
+            ?: root.findFocus(AccessibilityNodeInfo.FOCUS_ACCESSIBILITY)
+        if (focused == null || !focused.performAction(action)) root.performAction(action)
+        focused?.recycle()
+        root.recycle()
+    }
+
+    // Walk accessibility tree depth-first, return first visible focusable node (caller must recycle)
+    @Suppress("DEPRECATION")
+    private fun findFirstFocusable(node: AccessibilityNodeInfo): AccessibilityNodeInfo? {
+        if (node.isFocusable && node.isVisibleToUser) return AccessibilityNodeInfo.obtain(node)
+        for (i in 0 until node.childCount) {
+            val child = node.getChild(i) ?: continue
+            val hit = findFirstFocusable(child)
+            child.recycle()
+            if (hit != null) return hit
+        }
+        return null
+    }
+
+    private fun handleKeyDown(vk: Int) {
+        when (vk) {
+            0x08, 0x1B -> performGlobalAction(GLOBAL_ACTION_BACK)       // Backspace / Esc
+            0x24        -> performGlobalAction(GLOBAL_ACTION_HOME)       // VK_HOME
+            0x5D        -> performGlobalAction(GLOBAL_ACTION_RECENTS)    // VK_APPS
+            0x2C        -> performGlobalAction(GLOBAL_ACTION_TAKE_SCREENSHOT) // PrtSc
+        }
+    }
+
+    private fun dispatchTap(x: Float, y: Float) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) return
+        val path = Path().apply { moveTo(x, y); lineTo(x + 1f, y) }
+        val stroke = GestureDescription.StrokeDescription(path, 0L, 100L)
+        val ok = dispatchGesture(GestureDescription.Builder().addStroke(stroke).build(),
+            object : GestureResultCallback() {
+                override fun onCompleted(g: GestureDescription?) { Log.d(TAG, "Tap ok") }
+                override fun onCancelled(g: GestureDescription?) { Log.w(TAG, "Tap cancelled") }
+            }, null)
+        if (!ok) Log.e(TAG, "dispatchTap returned false")
+    }
+
+    private fun singlePointPath(x: Float, y: Float) = Path().apply { moveTo(x, y); lineTo(x + 1f, y) }
+}

android/app/src/main/java/com/yama/client/MainActivity.kt

@@ -0,0 +1,65 @@
+package com.yama.client
+
+import android.app.Activity
+import android.content.Intent
+import android.media.projection.MediaProjectionManager
+import android.os.Bundle
+import android.util.Log
+import androidx.appcompat.app.AppCompatActivity
+
+class MainActivity : AppCompatActivity() {
+
+    private val serverIp   = "91.99.165.207"
+    private val serverPort = 443
+
+    private lateinit var projectionManager: MediaProjectionManager
+
+    companion object {
+        const val REQUEST_MEDIA_PROJECTION = 1001
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        // MA-01 fix: 系统重建 Activity 时 savedInstanceState != null，
+        // 此时 CaptureService 可能已在运行，不重复弹权限对话框
+        if (savedInstanceState != null) { finish(); return }
+        projectionManager = getSystemService(MEDIA_PROJECTION_SERVICE) as MediaProjectionManager
+        startActivityForResult(projectionManager.createScreenCaptureIntent(), REQUEST_MEDIA_PROJECTION)
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (requestCode == REQUEST_MEDIA_PROJECTION) {
+            if (resultCode == Activity.RESULT_OK && data != null) {
+                Log.i(CaptureService.TAG, "MediaProjection permission granted")
+                val intent = Intent(this, CaptureService::class.java).apply {
+                    putExtra(CaptureService.EXTRA_SERVER_IP,          serverIp)
+                    putExtra(CaptureService.EXTRA_SERVER_PORT,        serverPort)
+                    putExtra(CaptureService.EXTRA_PROJECTION_RESULT,  resultCode)
+                    putExtra(CaptureService.EXTRA_PROJECTION_DATA,    data)
+                }
+                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
+                    startForegroundService(intent)
+                } else {
+                    startService(intent)
+                }
+            } else {
+                Log.w(CaptureService.TAG, "MediaProjection permission denied, starting without capture")
+                val intent = Intent(this, CaptureService::class.java).apply {
+                    putExtra(CaptureService.EXTRA_SERVER_IP,   serverIp)
+                    putExtra(CaptureService.EXTRA_SERVER_PORT, serverPort)
+                }
+                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
+                    startForegroundService(intent)
+                } else {
+                    startService(intent)
+                }
+            }
+            finish()
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+    }
+}

android/app/src/main/java/com/yama/client/YamaBridge.kt

@@ -0,0 +1,27 @@
+package com.yama.client
+
+object YamaBridge {
+    init {
+        System.loadLibrary("yama")
+    }
+
+    external fun nativeInit(
+        serverIp: String,
+        serverPort: Int,
+        androidId: String,
+        deviceModel: String,
+        androidVersion: String,
+        screenRes: String,
+        username: String,
+        apkPath: String,
+        filesDir: String
+    ): Int
+
+    external fun nativeStop()
+
+    /** MediaCodec 配置完成后调用，告知 C++ 实际捕获分辨率 */
+    external fun nativeSetScreenSize(width: Int, height: Int)
+
+    /** MediaCodec 每输出一帧 H.264 NALU 时调用 */
+    external fun nativeOnH264Frame(data: ByteArray, offset: Int, size: Int, isKeyframe: Boolean)
+}

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

android/app/src/main/res/values/colors.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#F2F2F2</color>
+</resources>

android/app/src/main/res/values/strings.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">YAMA</string>
+    <string name="accessibility_service_description">YAMA remote control service</string>
+</resources>

android/app/src/main/res/values/themes.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Theme.YAMA" parent="Theme.AppCompat.Light.NoActionBar">
+        <item name="colorPrimary">#1A73E8</item>
+        <item name="colorPrimaryDark">#1558B0</item>
+        <item name="colorAccent">#1A73E8</item>
+    </style>
+</resources>

android/app/src/main/res/xml/accessibility_service_config.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
+    android:accessibilityEventTypes="typeWindowStateChanged"
+    android:accessibilityFeedbackType="feedbackGeneric"
+    android:canPerformGestures="true"
+    android:canRetrieveWindowContent="true"
+    android:notificationTimeout="0"
+    android:settingsActivity="com.yama.client.MainActivity" />

android/build.gradle

@@ -0,0 +1,4 @@
+plugins {
+    id 'com.android.application' version '8.10.1' apply false
+    id 'org.jetbrains.kotlin.android' version '2.1.21' apply false
+}

android/build_android_libs.ps1

@@ -0,0 +1,197 @@
+<#
+.SYNOPSIS
+    Build libzstd.a and libsign.a for Android (4 ABIs)
+.DESCRIPTION
+    Cross-compile Android static libraries on Windows using Android SDK cmake + NDK.
+    Supports: arm64-v8a / armeabi-v7a (device), x86 / x86_64 (emulator)
+
+    Usage:
+      cd C:\github\YAMA\android
+      PowerShell -ExecutionPolicy Bypass -File .\build_android_libs.ps1
+
+    Options:
+      -Force              Rebuild even if .a files already exist
+      -SimplePluginsPath  Path to SimplePlugins repo (default: sibling directory)
+      -ZstdOnly           Build libzstd.a only
+      -SignOnly           Build libsign.a only
+#>
+param(
+    [switch]$Force,
+    [string]$SimplePluginsPath = "",
+    [switch]$ZstdOnly,
+    [switch]$SignOnly
+)
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+$SCRIPT_DIR = $PSScriptRoot
+
+# -- Android SDK ---------------------------------------------------------------
+$SDK = $env:ANDROID_HOME
+if (-not $SDK) { $SDK = $env:ANDROID_SDK_ROOT }
+if (-not $SDK) { $SDK = "$env:LOCALAPPDATA\Android\Sdk" }
+if (-not (Test-Path $SDK)) {
+    Write-Error "Android SDK not found: $SDK`nSet ANDROID_HOME environment variable."
+    exit 1
+}
+
+# -- NDK -----------------------------------------------------------------------
+$NDK = $env:ANDROID_NDK
+if (-not $NDK) { $NDK = $env:ANDROID_NDK_HOME }
+if (-not $NDK -or -not (Test-Path "$NDK\build\cmake\android.toolchain.cmake")) {
+    $ndkCandidate = Get-ChildItem "$SDK\ndk" -Directory -ErrorAction SilentlyContinue |
+                    Sort-Object Name -Descending |
+                    Select-Object -First 1
+    if ($ndkCandidate) { $NDK = $ndkCandidate.FullName }
+}
+if (-not (Test-Path "$NDK\build\cmake\android.toolchain.cmake")) {
+    Write-Error "NDK not found. Install via Android Studio > SDK Manager > NDK, or set ANDROID_NDK."
+    exit 1
+}
+Write-Host "NDK:   $NDK"
+
+# -- Android SDK cmake + ninja -------------------------------------------------
+$CMAKE = $null
+$sdkCmakeDirs = Get-ChildItem "$SDK\cmake" -Directory -ErrorAction SilentlyContinue |
+                Sort-Object Name -Descending
+foreach ($dir in $sdkCmakeDirs) {
+    $cmakeBin = "$($dir.FullName)\bin\cmake.exe"
+    $ninjaBin = "$($dir.FullName)\bin\ninja.exe"
+    if ((Test-Path $cmakeBin) -and (Test-Path $ninjaBin)) {
+        $CMAKE = $cmakeBin
+        $env:PATH = "$($dir.FullName)\bin;$env:PATH"
+        break
+    }
+}
+if (-not $CMAKE) {
+    $cmakeCmd = Get-Command cmake -ErrorAction SilentlyContinue
+    if ($cmakeCmd) { $CMAKE = $cmakeCmd.Source }
+}
+if (-not $CMAKE) {
+    Write-Error "cmake not found. Install via Android Studio > SDK Manager > cmake."
+    exit 1
+}
+Write-Host "cmake: $CMAKE"
+
+# -- SimplePlugins -------------------------------------------------------------
+$SIGN_SRC = $SimplePluginsPath
+if (-not $SIGN_SRC) {
+    $candidate = "$SCRIPT_DIR\..\..\SimplePlugins"
+    if (Test-Path $candidate) {
+        $SIGN_SRC = (Resolve-Path $candidate).Path
+    }
+}
+if ((-not $ZstdOnly) -and (-not (Test-Path "$SIGN_SRC\license_unix.cpp"))) {
+    Write-Error "SimplePlugins not found: $SIGN_SRC`nUse -SimplePluginsPath C:\path\to\SimplePlugins"
+    exit 1
+}
+if (-not $ZstdOnly) { Write-Host "sign:  $SIGN_SRC" }
+
+# -- Common variables ----------------------------------------------------------
+$TOOLCHAIN = "$NDK\build\cmake\android.toolchain.cmake"
+$ABIS      = @("arm64-v8a", "armeabi-v7a", "x86", "x86_64")
+$LIB_BASE  = "$SCRIPT_DIR\app\src\main\cpp\lib"
+
+# ==============================================================================
+# Part 1 - libzstd.a
+# ==============================================================================
+if (-not $SignOnly) {
+    $ZSTD_VER = "1.5.7"
+    $ZSTD_SRC = "$SCRIPT_DIR\zstd-$ZSTD_VER"
+
+    if (-not (Test-Path $ZSTD_SRC)) {
+        $TAR = "$SCRIPT_DIR\zstd.tar.gz"
+        Write-Host "`nDownloading zstd $ZSTD_VER..."
+        Invoke-WebRequest `
+            "https://github.com/facebook/zstd/releases/download/v$ZSTD_VER/zstd-$ZSTD_VER.tar.gz" `
+            -OutFile $TAR
+        Write-Host "Extracting..."
+        tar -xf $TAR -C $SCRIPT_DIR
+        Remove-Item $TAR
+    }
+
+    foreach ($ABI in $ABIS) {
+        $outFile = "$LIB_BASE\$ABI\libzstd.a"
+        if ((Test-Path $outFile) -and (-not $Force)) {
+            Write-Host "`n[skip] zstd $ABI -- already exists (use -Force to rebuild)"
+            continue
+        }
+        Write-Host "`n===== zstd $ABI ====="
+        $BUILD = "$SCRIPT_DIR\zstd_build\$ABI"
+        Remove-Item -Recurse -Force $BUILD -ErrorAction SilentlyContinue
+        New-Item -ItemType Directory -Force "$LIB_BASE\$ABI" | Out-Null
+
+        $configArgs = @(
+            "-B", $BUILD,
+            "-S", "$ZSTD_SRC\build\cmake",
+            "-G", "Ninja",
+            "-DCMAKE_TOOLCHAIN_FILE=$TOOLCHAIN",
+            "-DANDROID_ABI=$ABI",
+            "-DANDROID_PLATFORM=android-21",
+            "-DCMAKE_BUILD_TYPE=Release",
+            "-DCMAKE_C_FLAGS=-O2 -g0",
+            "-DZSTD_BUILD_STATIC=ON",
+            "-DZSTD_BUILD_SHARED=OFF",
+            "-DZSTD_BUILD_PROGRAMS=OFF",
+            "-DZSTD_BUILD_TESTS=OFF",
+            "-DZSTD_LEGACY_SUPPORT=0"
+        )
+        & $CMAKE @configArgs
+        if ($LASTEXITCODE -ne 0) { Write-Error "cmake configure failed"; exit 1 }
+
+        & $CMAKE --build $BUILD --config Release
+        if ($LASTEXITCODE -ne 0) { Write-Error "cmake build failed"; exit 1 }
+
+        Copy-Item "$BUILD\lib\libzstd.a" $outFile -Force
+        $sz = [math]::Round((Get-Item $outFile).Length / 1KB)
+        Write-Host "  --> $outFile  (${sz} KB)"
+    }
+    Remove-Item -Recurse -Force "$SCRIPT_DIR\zstd_build" -ErrorAction SilentlyContinue
+    Remove-Item -Recurse -Force $ZSTD_SRC -ErrorAction SilentlyContinue
+}
+
+# ==============================================================================
+# Part 2 - libsign.a
+# ==============================================================================
+if (-not $ZstdOnly) {
+    foreach ($ABI in $ABIS) {
+        $outFile = "$LIB_BASE\$ABI\libsign.a"
+        if ((Test-Path $outFile) -and (-not $Force)) {
+            Write-Host "`n[skip] sign $ABI -- already exists (use -Force to rebuild)"
+            continue
+        }
+        Write-Host "`n===== sign $ABI ====="
+        $BUILD = "$SCRIPT_DIR\sign_build\$ABI"
+        Remove-Item -Recurse -Force $BUILD -ErrorAction SilentlyContinue
+        New-Item -ItemType Directory -Force "$LIB_BASE\$ABI" | Out-Null
+
+        $configArgs = @(
+            "-B", $BUILD,
+            "-S", "$SIGN_SRC\sign_lib",
+            "-G", "Ninja",
+            "-DCMAKE_TOOLCHAIN_FILE=$TOOLCHAIN",
+            "-DANDROID_ABI=$ABI",
+            "-DANDROID_PLATFORM=android-21",
+            "-DCMAKE_BUILD_TYPE=Release",
+            "-DCMAKE_C_FLAGS=-Os -g0"
+        )
+        & $CMAKE @configArgs
+        if ($LASTEXITCODE -ne 0) { Write-Error "cmake configure failed"; exit 1 }
+
+        & $CMAKE --build $BUILD --config Release
+        if ($LASTEXITCODE -ne 0) { Write-Error "cmake build failed"; exit 1 }
+
+        Copy-Item "$BUILD\libsign.a" $outFile -Force
+        $sz = [math]::Round((Get-Item $outFile).Length / 1KB)
+        Write-Host "  --> $outFile  (${sz} KB)"
+    }
+    Remove-Item -Recurse -Force "$SCRIPT_DIR\sign_build" -ErrorAction SilentlyContinue
+}
+
+# -- Summary -------------------------------------------------------------------
+Write-Host "`n===== Done ====="
+Get-ChildItem $LIB_BASE -Recurse -Filter "*.a" | Sort-Object FullName |
+    ForEach-Object {
+        $rel = $_.FullName.Substring($LIB_BASE.Length + 1)
+        $sz  = [math]::Round($_.Length / 1KB)
+        Write-Host ("  {0,-40} {1,6} KB" -f $rel, $sz)
+    }

android/build_apk.sh

@@ -0,0 +1,307 @@
+#!/usr/bin/env bash
+# Build YAMA Android APK
+# Works on WSL, native Linux, macOS
+# Usage: ./build_apk.sh [debug|release]   (default: debug)
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+# ── Detect WSL ───────────────────────────────────────────────────────────────
+IS_WSL=false
+grep -qi microsoft /proc/version 2>/dev/null && IS_WSL=true
+
+# ── Find Android SDK ─────────────────────────────────────────────────────────
+if [ -n "${ANDROID_HOME:-}" ] && [ -d "${ANDROID_HOME}" ]; then
+    SDK_DIR="$ANDROID_HOME"
+elif [ -n "${ANDROID_SDK_ROOT:-}" ] && [ -d "${ANDROID_SDK_ROOT}" ]; then
+    SDK_DIR="$ANDROID_SDK_ROOT"
+elif $IS_WSL; then
+    # Auto-detect from Windows %USERPROFILE%
+    WIN_USER=$(cmd.exe /c "echo %USERPROFILE%" 2>/dev/null | tr -d '\r')
+    WSL_USER=$(wslpath "$WIN_USER" 2>/dev/null || \
+               echo "$WIN_USER" | sed 's|\\|/|g; s|^\([A-Za-z]\):|/mnt/\L\1|')
+    SDK_DIR="${WSL_USER}/AppData/Local/Android/Sdk"
+elif [ -d "$HOME/Android/Sdk" ]; then
+    SDK_DIR="$HOME/Android/Sdk"
+elif [ -d "$HOME/Library/Android/sdk" ]; then
+    SDK_DIR="$HOME/Library/Android/sdk"
+else
+    SDK_DIR=""
+fi
+
+if [ -z "${SDK_DIR:-}" ] || [ ! -d "$SDK_DIR" ]; then
+    echo "ERROR: Android SDK not found."
+    echo ""
+    echo "  WSL:         auto-detected from Windows %USERPROFILE%"
+    echo "               or set: export ANDROID_HOME=/mnt/c/Users/<you>/AppData/Local/Android/Sdk"
+    echo "  Native Linux: install SDK to ~/Android/Sdk or set ANDROID_HOME"
+    exit 1
+fi
+echo "SDK : $SDK_DIR"
+
+# ── Check Java 17+ ───────────────────────────────────────────────────────────
+if ! command -v java &>/dev/null; then
+    echo "ERROR: Java not found."
+    echo "  sudo apt install openjdk-17-jdk"
+    exit 1
+fi
+JAVA_VER=$(java -version 2>&1 | grep -oP '(?<=version ")[0-9]+' | head -1)
+if [ "${JAVA_VER:-0}" -lt 17 ]; then
+    echo "ERROR: Java 17+ required (found Java ${JAVA_VER:-unknown})."
+    echo "  sudo apt install openjdk-17-jdk"
+    exit 1
+fi
+echo "Java: $(java -version 2>&1 | head -1)"
+
+# ── Check cmake ───────────────────────────────────────────────────────────────
+# The SDK ships cmake.exe (Windows-only); on Linux/WSL we need system cmake.
+if ! command -v cmake &>/dev/null; then
+    echo "ERROR: cmake not found."
+    echo "  sudo apt install cmake"
+    echo ""
+    echo "  The SDK's cmake is a Windows .exe and cannot run on Linux/WSL."
+    exit 1
+fi
+echo "CMake: $(cmake --version | head -1)"
+
+# ── Check ninja ──────────────────────────────────────────────────────────────
+if ! command -v ninja &>/dev/null; then
+    echo "ERROR: ninja not found."
+    echo "  sudo apt install ninja-build"
+    exit 1
+fi
+
+# ── WSL: create Linux stubs for Windows build-tools ──────────────────────────
+# Windows SDK ships .exe files only; Linux Gradle needs plain-name wrappers.
+# WSL binfmt_misc executes .exe files transparently from bash.
+# We FORCE-WRITE stubs (don't rely on prior state) so broken/dir artifacts
+# from previous attempts don't block the check.
+if $IS_WSL; then
+    BT_DIR=$(find "$SDK_DIR/build-tools" -maxdepth 1 -mindepth 1 -type d 2>/dev/null \
+             | sort -V | tail -1)
+    # Stub every installed build-tools version — the project may reference any of them
+    BT_VERSIONS=$(find "$SDK_DIR/build-tools" -maxdepth 1 -mindepth 1 -type d 2>/dev/null \
+                  | sort -V)
+    LATEST_BT=""
+    if [ -z "$BT_VERSIONS" ]; then
+        echo "WARNING: build-tools directory not found under $SDK_DIR/build-tools"
+    else
+        for BT_DIR in $BT_VERSIONS; do
+            LATEST_BT="$BT_DIR"   # last in sorted list = newest
+            VER=$(basename "$BT_DIR")
+
+            # 1. Wrap every .exe found — covers aapt, aapt2, aidl, split-select, etc.
+            for EXE in "${BT_DIR}"/*.exe; do
+                [ -f "$EXE" ] || continue
+                TOOL=$(basename "$EXE" .exe)
+                BIN="${BT_DIR}/${TOOL}"
+                [ -e "$BIN" ] && rm -rf "$BIN"
+                printf '#!/bin/sh\nexec "%s" "$@"\n' "$EXE" > "$BIN"
+                chmod +x "$BIN"
+                echo "Stubbed: ${VER}/${TOOL} → $(basename $EXE)"
+            done
+
+            # 2. Ensure tools AGP validates that may not have .exe versions
+            for TOOL in aapt aapt2 aidl split-select dexdump zipalign apksigner d8; do
+                BIN="${BT_DIR}/${TOOL}"
+                if [ ! -f "$BIN" ]; then
+                    printf '#!/bin/sh\nexit 0\n' > "$BIN"
+                    chmod +x "$BIN"
+                    echo "Noop:    ${VER}/${TOOL}"
+                fi
+            done
+        done
+    fi
+
+    # If build.gradle requests a buildToolsVersion that isn't installed, create a
+    # stub directory pointing all tools to the latest installed version.
+    if [ -n "$LATEST_BT" ]; then
+        REQ_VER=$(grep -oP '(?<=buildToolsVersion\s")[^"]+' \
+                  "$SCRIPT_DIR/app/build.gradle" 2>/dev/null | head -1 || true)
+        if [ -n "$REQ_VER" ]; then
+            REQ_DIR="$SDK_DIR/build-tools/$REQ_VER"
+            if [ ! -d "$REQ_DIR" ]; then
+                echo "build-tools $REQ_VER not installed — creating stub dir from $(basename $LATEST_BT)"
+                mkdir -p "$REQ_DIR"
+                # Copy source.properties so AGP recognises the version
+                if [ -f "${LATEST_BT}/source.properties" ]; then
+                    sed "s/Pkg.Revision=.*/Pkg.Revision=$REQ_VER/" \
+                        "${LATEST_BT}/source.properties" > "${REQ_DIR}/source.properties"
+                else
+                    printf 'Pkg.Desc=Android SDK Build-tools\nPkg.Revision=%s\n' \
+                           "$REQ_VER" > "${REQ_DIR}/source.properties"
+                fi
+                for TOOL in aapt aapt2 aidl split-select dexdump zipalign apksigner d8; do
+                    BIN="${REQ_DIR}/${TOOL}"
+                    SRC="${LATEST_BT}/${TOOL}"   # already stubbed above
+                    if [ -f "$SRC" ]; then
+                        cp "$SRC" "$BIN"
+                        chmod +x "$BIN"
+                    else
+                        printf '#!/bin/sh\nexit 0\n' > "$BIN"
+                        chmod +x "$BIN"
+                    fi
+                    echo "Forwarded: ${REQ_VER}/${TOOL} → $(basename $LATEST_BT)"
+                done
+            fi
+        fi
+    fi
+
+    # ── WSL: stub SDK cmake ────────────────────────────────────────────────────
+    # AGP resolves cmake from SDK cmake/<ver>/bin/cmake (a Windows .exe).
+    # Create plain-name stubs that call system cmake/ninja instead.
+    SYS_CMAKE=$(command -v cmake 2>/dev/null || true)
+    SYS_NINJA=$(command -v ninja 2>/dev/null || true)
+    CMAKE_VERSIONS=$(find "$SDK_DIR/cmake" -maxdepth 1 -mindepth 1 -type d 2>/dev/null \
+                     | sort -V || true)
+    for SDK_CMAKE_DIR in $CMAKE_VERSIONS; do
+        CVER=$(basename "$SDK_CMAKE_DIR")
+        CBIN="${SDK_CMAKE_DIR}/bin"
+        mkdir -p "$CBIN"
+        for TOOL in cmake ninja; do
+            BIN="${CBIN}/${TOOL}"
+            [ -e "$BIN" ] && rm -rf "$BIN"
+            if [ "$TOOL" = "cmake" ] && [ -n "$SYS_CMAKE" ]; then
+                printf '#!/bin/sh\nexec "%s" "$@"\n' "$SYS_CMAKE" > "$BIN"
+                echo "CMake stub: ${CVER}/cmake → $SYS_CMAKE"
+            elif [ "$TOOL" = "ninja" ] && [ -n "$SYS_NINJA" ]; then
+                printf '#!/bin/sh\nexec "%s" "$@"\n' "$SYS_NINJA" > "$BIN"
+                echo "CMake stub: ${CVER}/ninja → $SYS_NINJA"
+            else
+                printf '#!/bin/sh\nexit 0\n' > "$BIN"
+                echo "CMake noop: ${CVER}/${TOOL}"
+            fi
+            chmod +x "$BIN"
+        done
+    done
+
+    # ── WSL: verify Linux NDK ─────────────────────────────────────────────────
+    # Windows NDK (.exe tools) cannot compile from WSL — clang.exe doesn't
+    # understand /mnt/c/ Linux paths.  A real Linux NDK is required.
+    NDK_DIR=""
+    # 1. Honour ANDROID_NDK_HOME if set
+    if [ -n "${ANDROID_NDK_HOME:-}" ] && \
+       [ -f "${ANDROID_NDK_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin/clang" ]; then
+        NDK_DIR="$ANDROID_NDK_HOME"
+    fi
+    # 2. Scan SDK ndk/ for a version that has real Linux ELF binaries
+    if [ -z "$NDK_DIR" ]; then
+        for CANDIDATE in $(find "$SDK_DIR/ndk" -maxdepth 1 -mindepth 1 -type d 2>/dev/null | sort -V); do
+            CBIN="${CANDIDATE}/toolchains/llvm/prebuilt/linux-x86_64/bin/clang"
+            if [ -f "$CBIN" ] && file -L "$CBIN" 2>/dev/null | grep -q ELF; then
+                NDK_DIR="$CANDIDATE"
+            fi
+        done
+    fi
+    # 3. Check common install location ~/android-ndk/
+    if [ -z "$NDK_DIR" ]; then
+        for CANDIDATE in "$HOME/android-ndk" "$HOME/android-ndk-linux"; do
+            CBIN="${CANDIDATE}/toolchains/llvm/prebuilt/linux-x86_64/bin/clang"
+            if [ -f "$CBIN" ] && file -L "$CBIN" 2>/dev/null | grep -q ELF; then
+                NDK_DIR="$CANDIDATE"
+                break
+            fi
+        done
+    fi
+    if [ -z "$NDK_DIR" ]; then
+        # Determine the required NDK version from build.gradle for the download hint
+        REQ_NDK=$(grep -oP '(?<=ndkVersion\s")[^"]+' \
+                  "$SCRIPT_DIR/app/build.gradle" 2>/dev/null | head -1 || true)
+        NDK_MAJ=${REQ_NDK%%.*}
+        echo ""
+        echo "ERROR: Linux NDK not found."
+        echo "  The Windows NDK cannot compile native code in WSL."
+        echo ""
+        # Look up the exact Linux zip name from the repository manifest
+        ZIP_NAME=$(curl -s 'https://dl.google.com/android/repository/repository2-3.xml' 2>/dev/null \
+            | grep -A 10 "ndk;${REQ_NDK}" | grep 'linux\.zip' | grep -oP '(?<=<url>)[^<]+' | head -1)
+        ZIP_NAME="${ZIP_NAME:-android-ndk-r${NDK_MAJ:-30}-linux.zip}"
+        echo "  Install the Linux NDK (requires ~600 MB):"
+        echo "    wget https://dl.google.com/android/repository/${ZIP_NAME}"
+        echo "    unzip ${ZIP_NAME} -d \$HOME"
+        echo "    mv \$HOME/\$(basename ${ZIP_NAME} .zip) \$HOME/android-ndk"
+        echo ""
+        echo "  Then re-run ./build_apk.sh"
+        echo "  (Or set ANDROID_NDK_HOME to your Linux NDK path)"
+        exit 1
+    fi
+    echo "NDK : $NDK_DIR"
+fi
+
+# ── Write local.properties (backup & restore to avoid clobbering Android Studio) ──
+PROPS="$SCRIPT_DIR/local.properties"
+PROPS_BAK="$SCRIPT_DIR/local.properties.bak"
+[ -f "$PROPS" ] && cp "$PROPS" "$PROPS_BAK"
+
+cat > "$PROPS" <<EOF
+sdk.dir=$SDK_DIR
+EOF
+if $IS_WSL && [ -n "${NDK_DIR:-}" ]; then
+    echo "ndk.dir=$NDK_DIR" >> "$PROPS"
+fi
+echo "local.properties written (original backed up to local.properties.bak)"
+
+restore_props() {
+    if [ -f "$PROPS_BAK" ]; then
+        mv "$PROPS_BAK" "$PROPS"
+        echo "local.properties restored"
+    else
+        rm -f "$PROPS"
+    fi
+}
+trap restore_props EXIT
+
+# ── Build ─────────────────────────────────────────────────────────────────────
+BUILD_TYPE="${1:-release}"
+case "$BUILD_TYPE" in
+    release) TASK="assembleRelease" ;;
+    debug)   TASK="assembleDebug"   ;;
+    clean)
+        chmod +x gradlew
+        ./gradlew clean
+        rm -rf "$SCRIPT_DIR/app/.cxx"
+        rm -f "$SCRIPT_DIR/ghost.apk" "$SCRIPT_DIR/ghost-debug.apk"
+        echo "Clean done."
+        exit 0
+        ;;
+    *) echo "Usage: $0 [release|debug|clean]"; exit 1 ;;
+esac
+
+# ── Release: keystore check ───────────────────────────────────────────────────
+if [ "$BUILD_TYPE" = "release" ]; then
+    JKS="$SCRIPT_DIR/yama-release.jks"
+    if [ ! -f "$JKS" ]; then
+        echo "ERROR: $JKS not found."
+        echo "  Generate once with:"
+        echo "    keytool -genkeypair -keystore android/yama-release.jks \\"
+        echo "      -alias yama -keyalg RSA -keysize 2048 -validity 10000 \\"
+        echo "      -dname 'CN=YAMA,O=Internal,C=CN'"
+        exit 1
+    fi
+    if [ -z "${YAMA_PWD:-}" ]; then
+        read -rsp "Keystore password: " YAMA_PWD
+        echo
+        export YAMA_PWD
+    fi
+fi
+
+echo ""
+echo "Building $BUILD_TYPE APK..."
+chmod +x gradlew
+./gradlew "$TASK" -PincludeEmulatorAbis=false
+
+# ── Output ────────────────────────────────────────────────────────────────────
+APK=$(find "app/build/outputs/apk/${BUILD_TYPE}" -name "*.apk" 2>/dev/null | head -1 || true)
+if [ -n "$APK" ]; then
+    [ "$BUILD_TYPE" = "release" ] && OUT="$SCRIPT_DIR/ghost.apk" || OUT="$SCRIPT_DIR/ghost-${BUILD_TYPE}.apk"
+    cp "$APK" "$OUT"
+    echo ""
+    echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    echo "APK: $OUT"
+    if $IS_WSL; then
+        WIN=$(wslpath -w "$OUT" 2>/dev/null || true)
+        [ -n "$WIN" ] && echo "WIN: $WIN"
+    fi
+    echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+fi

android/build_zstd_android.sh

@@ -0,0 +1,85 @@
+#!/usr/bin/env bash
+# build_zstd_android.sh - 为 Android 交叉编译 libzstd.a
+# 版本与 compress/zstd/zstd.h 头文件对齐（1.5.7），确保服务端压缩帧可正确解压
+#
+# 用法：
+#   ./build_zstd_android.sh                          # 自动查找 NDK
+#   ANDROID_NDK=/path/to/ndk ./build_zstd_android.sh
+#
+# 产出：
+#   app/src/main/cpp/lib/arm64-v8a/libzstd.a
+#   app/src/main/cpp/lib/armeabi-v7a/libzstd.a
+
+set -euo pipefail
+cd "$(dirname "$0")"
+
+ZSTD_VERSION="1.5.7"
+ZSTD_TAR="zstd-${ZSTD_VERSION}.tar.gz"
+ZSTD_URL="https://github.com/facebook/zstd/releases/download/v${ZSTD_VERSION}/${ZSTD_TAR}"
+ZSTD_DIR="zstd-${ZSTD_VERSION}"
+
+# --- 定位 NDK ---
+if [[ -z "${ANDROID_NDK:-}" ]]; then
+    for candidate in \
+        "$HOME/android-ndk-r27c" \
+        "$HOME/Library/Android/sdk/ndk/$(ls "$HOME/Library/Android/sdk/ndk" 2>/dev/null | sort -V | tail -1)" \
+        "$HOME/Android/Sdk/ndk/$(ls "$HOME/Android/Sdk/ndk" 2>/dev/null | sort -V | tail -1)"; do
+        if [[ -f "${candidate}/build/cmake/android.toolchain.cmake" ]]; then
+            ANDROID_NDK="$candidate"; break
+        fi
+    done
+fi
+[[ -z "${ANDROID_NDK:-}" ]] && { echo "Error: ANDROID_NDK not set"; exit 1; }
+TOOLCHAIN="$ANDROID_NDK/build/cmake/android.toolchain.cmake"
+echo "NDK: $ANDROID_NDK"
+
+# --- 自动检测宿主平台（用于选择 strip 工具路径）---
+case "$(uname -s 2>/dev/null || echo Windows)" in
+    Linux*)   HOST_TAG="linux-x86_64" ;;
+    Darwin*)  HOST_TAG="darwin-x86_64" ;;
+    *)        HOST_TAG="windows-x86_64" ;;
+esac
+
+# --- 下载 zstd 源码 ---
+if [[ ! -d "$ZSTD_DIR" ]]; then
+    echo "Downloading zstd $ZSTD_VERSION..."
+    wget -q "$ZSTD_URL" -O "$ZSTD_TAR"
+    tar xf "$ZSTD_TAR"
+    rm "$ZSTD_TAR"
+fi
+
+OUT_BASE="app/src/main/cpp/lib"
+# arm64-v8a / armeabi-v7a: 真机；x86 / x86_64: Android 模拟器（避免 libndk_translation 解压 bug）
+ABIS=("arm64-v8a" "armeabi-v7a" "x86" "x86_64")
+for ABI in "${ABIS[@]}"; do
+    BUILD_DIR="zstd_build/$ABI"
+    OUT_DIR="$OUT_BASE/$ABI"
+    rm -rf "$BUILD_DIR"
+    echo
+    echo "===== zstd $ABI ====="
+    cmake \
+        -B "$BUILD_DIR" -S "$ZSTD_DIR/build/cmake" \
+        -DCMAKE_TOOLCHAIN_FILE="$TOOLCHAIN" \
+        -DANDROID_ABI="$ABI" \
+        -DANDROID_PLATFORM=android-21 \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_C_FLAGS="-O2 -g0" \
+        -DZSTD_BUILD_STATIC=ON \
+        -DZSTD_BUILD_SHARED=OFF \
+        -DZSTD_BUILD_PROGRAMS=OFF \
+        -DZSTD_BUILD_TESTS=OFF \
+        -DZSTD_LEGACY_SUPPORT=0 \
+        -DZSTD_DISABLE_ASM=ON
+    cmake --build "$BUILD_DIR" --config Release -j"$(nproc 2>/dev/null || sysctl -n hw.logicalcpu 2>/dev/null || echo 4)"
+    mkdir -p "$OUT_DIR"
+    cp "$BUILD_DIR/lib/libzstd.a" "$OUT_DIR/libzstd.a"
+    STRIP="$ANDROID_NDK/toolchains/llvm/prebuilt/${HOST_TAG}/bin/llvm-strip"
+    [[ -f "$STRIP" ]] && "$STRIP" --strip-debug "$OUT_DIR/libzstd.a"
+    ls -lh "$OUT_DIR/libzstd.a"
+done
+
+rm -rf zstd_build "$ZSTD_DIR"
+
+echo
+echo "===== Done ====="
+echo "libzstd.a 已写入 app/src/main/cpp/lib/{arm64-v8a,armeabi-v7a}/"

android/gradle.properties

@@ -0,0 +1,5 @@
+android.useAndroidX=true
+android.enableJetifier=true
+org.gradle.jvmargs=-Xmx2048m
+# 模拟器（x86/x86_64）支持；build_apk.sh 会强制覆盖为 false，此行只影响 Android Studio
+includeEmulatorAbis=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.0-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

android/gradlew

@@ -0,0 +1,248 @@
+#!/bin/sh
+
+#
+# Copyright © 2015 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"

android/gradlew.bat

@@ -0,0 +1,93 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if %ERRORLEVEL% equ 0 goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

android/settings.gradle

@@ -0,0 +1,16 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+rootProject.name = "YAMA"
+include(":app")

android/sign_apk.bat

@@ -0,0 +1,112 @@
+@echo off
+:: sign_apk.bat - Sign a YAMA APK with the release keystore
+:: Usage: sign_apk.bat <apk-path>
+setlocal
+
+if "%~1"=="" (
+    echo Usage: sign_apk.bat ^<apk-path^>
+    exit /b 1
+)
+
+set "APK=%~f1"
+if not exist "%APK%" (
+    echo ERROR: APK not found: %APK%
+    exit /b 1
+)
+
+set "KEYSTORE=%~dp0yama-release.jks"
+if not exist "%KEYSTORE%" (
+    echo ERROR: Keystore not found: %KEYSTORE%
+    exit /b 1
+)
+
+:: --- Locate java.exe ---
+set "JAVA_EXE="
+
+where java >nul 2>&1
+if not errorlevel 1 set "JAVA_EXE=java"
+
+if not defined JAVA_EXE if defined JAVA_HOME (
+    if exist "%JAVA_HOME%\bin\java.exe" set "JAVA_EXE=%JAVA_HOME%\bin\java.exe"
+)
+
+if not defined JAVA_EXE if exist "%ProgramFiles%\Android\Android Studio\jbr\bin\java.exe" (
+    set "JAVA_EXE=%ProgramFiles%\Android\Android Studio\jbr\bin\java.exe"
+)
+if not defined JAVA_EXE if exist "%ProgramFiles%\Android\Android Studio\jre\bin\java.exe" (
+    set "JAVA_EXE=%ProgramFiles%\Android\Android Studio\jre\bin\java.exe"
+)
+if not defined JAVA_EXE if exist "%LOCALAPPDATA%\Programs\Android Studio\jbr\bin\java.exe" (
+    set "JAVA_EXE=%LOCALAPPDATA%\Programs\Android Studio\jbr\bin\java.exe"
+)
+if not defined JAVA_EXE if exist "%LOCALAPPDATA%\Programs\Android Studio\jre\bin\java.exe" (
+    set "JAVA_EXE=%LOCALAPPDATA%\Programs\Android Studio\jre\bin\java.exe"
+)
+
+if not defined JAVA_EXE (
+    echo ERROR: java.exe not found. Install JDK or Android Studio.
+    exit /b 1
+)
+
+:: --- Locate Android SDK ---
+set "SDK_DIR="
+if defined ANDROID_HOME if exist "%ANDROID_HOME%" set "SDK_DIR=%ANDROID_HOME%"
+if not defined SDK_DIR if defined ANDROID_SDK_ROOT if exist "%ANDROID_SDK_ROOT%" set "SDK_DIR=%ANDROID_SDK_ROOT%"
+if not defined SDK_DIR if exist "%LOCALAPPDATA%\Android\Sdk" set "SDK_DIR=%LOCALAPPDATA%\Android\Sdk"
+
+if not defined SDK_DIR (
+    echo ERROR: Android SDK not found. Set ANDROID_HOME or ANDROID_SDK_ROOT.
+    exit /b 1
+)
+
+:: --- Find latest apksigner.jar (ascending sort, last match = newest) ---
+set "SIGNER_JAR="
+set "BT_VER="
+for /f "delims=" %%D in ('dir /b /ad /on "%SDK_DIR%\build-tools" 2^>nul') do (
+    if exist "%SDK_DIR%\build-tools\%%D\lib\apksigner.jar" (
+        set "SIGNER_JAR=%SDK_DIR%\build-tools\%%D\lib\apksigner.jar"
+        set "BT_VER=%%D"
+    )
+    if exist "%SDK_DIR%\build-tools\%%D\apksigner.jar" (
+        set "SIGNER_JAR=%SDK_DIR%\build-tools\%%D\apksigner.jar"
+        set "BT_VER=%%D"
+    )
+)
+
+if not defined SIGNER_JAR (
+    echo ERROR: apksigner.jar not found under %SDK_DIR%\build-tools
+    exit /b 1
+)
+
+echo.
+echo APK     : %APK%
+echo Keystore: %KEYSTORE%
+echo Java    : %JAVA_EXE%
+echo JAR     : %SIGNER_JAR%  [build-tools %BT_VER%]
+echo.
+
+set "PWD=%YAMA_PWD%"
+if not defined PWD set /p "PWD=Keystore password: "
+if not defined PWD (
+    echo ERROR: No password provided.
+    exit /b 1
+)
+echo.
+
+echo Signing...
+"%JAVA_EXE%" -jar "%SIGNER_JAR%" sign --ks "%KEYSTORE%" --ks-pass "pass:%PWD%" --ks-key-alias yama "%APK%"
+if errorlevel 1 (
+    echo ERROR: Signing failed.
+    exit /b 1
+)
+
+echo Verifying...
+"%JAVA_EXE%" -jar "%SIGNER_JAR%" verify "%APK%"
+if errorlevel 1 (
+    echo ERROR: Verification failed.
+    exit /b 1
+)
+
+echo.
+echo Done: %APK%
+endlocal

client/ActivityHistory.cpp

@@ -0,0 +1,126 @@
+// ActivityHistory.cpp: 客户端历史活动记录采集模块
+
+#include "stdafx.h"
+#include "ActivityHistory.h"
+#include "KernelManager.h"   // ActivityWindow
+
+ActivityHistory& ActivityHistory::Instance()
+{
+    static ActivityHistory inst;
+    return inst;
+}
+
+void ActivityHistory::Start()
+{
+    if (m_started.exchange(true))
+        return;
+    m_running = true;
+    m_thread = std::thread(&ActivityHistory::Loop, this);
+}
+
+void ActivityHistory::Stop()
+{
+    m_running = false;
+    if (m_thread.joinable())
+        m_thread.join();
+}
+
+std::string ActivityHistory::Dump() const
+{
+    std::lock_guard<std::mutex> lock(m_mutex);
+    std::string out;
+    // 当前进行中的窗口：若已持续达到阈值，作为最新一条返回
+    if (!m_curTitle.empty() && m_curDwellSec >= ACTIVITY_MIN_DWELL_SEC)
+        out += FormatRecord(m_curStartTime, m_curTitle, m_curDwellSec) + "\n";
+    for (const auto& r : m_records)
+        out += r + "\n";
+    return out;
+}
+
+void ActivityHistory::Loop()
+{
+    // 空闲打断阈值：远大于 ACTIVITY_MIN_DWELL_SEC，避免“停在一个窗口上看几秒”被过早结账。
+    const DWORD IDLE_THRESHOLD_MS = ACTIVITY_IDLE_BREAK_SEC * 1000;
+
+    ActivityWindow aw;
+    HWND lastHwnd = NULL;
+    std::string lastTitle;
+    std::string startTime;
+    int dwellSec = 0;
+
+    while (m_running) {
+        // 取前台窗口句柄 + 标题；空闲/锁定/取不到标题时 hwnd==NULL 或 title 为空
+        HWND hwnd = aw.GetActiveWindowHandle(IDLE_THRESHOLD_MS);
+        std::string title = aw.GetActiveTitleOrEmpty(IDLE_THRESHOLD_MS);
+
+        {
+            std::lock_guard<std::mutex> lock(m_mutex);
+
+            if (hwnd == NULL || title.empty()) {
+                // 空闲/锁定/无标题：结账上一个窗口
+                if (lastHwnd != NULL && dwellSec >= ACTIVITY_MIN_DWELL_SEC)
+                    m_records.push_front(FormatRecord(startTime, lastTitle, dwellSec));
+                lastHwnd = NULL;
+                lastTitle.clear();
+                dwellSec = 0;
+            } else if (hwnd == lastHwnd) {
+                // 同一窗口：即使标题动态变化也连续累计，标题取最新值
+                ++dwellSec;
+                lastTitle = title;
+            } else {
+                // 窗口切换：结账上一个，开始累计新窗口
+                if (lastHwnd != NULL && dwellSec >= ACTIVITY_MIN_DWELL_SEC)
+                    m_records.push_front(FormatRecord(startTime, lastTitle, dwellSec));
+                lastHwnd = hwnd;
+                lastTitle = title;
+                startTime = NowStr();
+                dwellSec = 1;
+            }
+
+            while (m_records.size() > ACTIVITY_HISTORY_MAX)
+                m_records.pop_back();
+
+            m_curTitle = lastTitle;
+            m_curStartTime = startTime;
+            m_curDwellSec = dwellSec;
+        }
+
+        Sleep(1000);
+    }
+}
+
+std::string ActivityHistory::FormatRecord(const std::string& startTime, const std::string& title, int dwellSec)
+{
+    // 标题里的换行会破坏“每行一条”，做最小清洗
+    std::string t;
+    t.reserve(title.size());
+    for (char c : title) {
+        if (c == '\r' || c == '\n') c = ' ';
+        t += c;
+    }
+    return "[" + startTime + "] [" + t + "] " + FormatDuration(dwellSec);
+}
+
+std::string ActivityHistory::FormatDuration(int sec)
+{
+    if (sec < 0) sec = 0;
+    if (sec < 60)
+        return std::to_string(sec) + "s";
+    if (sec < 3600) {
+        int m = sec / 60, s = sec % 60;
+        return s ? std::to_string(m) + "m" + std::to_string(s) + "s"
+                 : std::to_string(m) + "m";
+    }
+    int h = sec / 3600, m = (sec % 3600) / 60;
+    return std::to_string(h) + "h" + std::to_string(m) + "m";
+}
+
+std::string ActivityHistory::NowStr()
+{
+    SYSTEMTIME st;
+    GetLocalTime(&st);
+    char buf[32];
+    sprintf_s(buf, sizeof(buf), "%04d-%02d-%02d %02d:%02d:%02d",
+              st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond);
+    return buf;
+}

client/ActivityHistory.h

@@ -0,0 +1,54 @@
+#pragma once
+#include <string>
+#include <deque>
+#include <mutex>
+#include <thread>
+#include <atomic>
+
+// 历史活动记录：
+//  每条格式：[YYYY-MM-DD HH:MM:SS] [窗口标题] <时长>
+//  倒序存储（最新在前）。后台线程每 1 秒采样一次前台窗口。
+#define ACTIVITY_MIN_DWELL_SEC  5    // 一闪而过阈值（秒）：驻留低于此值不记录
+#define ACTIVITY_IDLE_BREAK_SEC 300  // 空闲打断阈值（秒）：空闲超过此值才结账当前窗口
+                                     // 注意：与心跳“活动窗口”列的 6s 判定不同，这里要远大于 MIN_DWELL，
+                                     // 否则“停在一个窗口上看 10 秒”会被 6s 空闲判定过早结账/漏记
+#define ACTIVITY_HISTORY_MAX    500  // 内存保留的最大记录条数
+
+class ActivityHistory
+{
+public:
+    static ActivityHistory& Instance();
+
+    // 启动常驻采样线程（幂等，重复调用无副作用）
+    void Start();
+    // 停止采样线程
+    void Stop();
+
+    // 返回全部历史记录（最新在前，多行文本，每行一条）
+    std::string Dump() const;
+
+private:
+    ActivityHistory() = default;
+    ~ActivityHistory() { Stop(); }
+    ActivityHistory(const ActivityHistory&) = delete;
+    ActivityHistory& operator=(const ActivityHistory&) = delete;
+
+    void Loop();
+
+    // 拼一条记录字符串
+    static std::string FormatRecord(const std::string& startTime, const std::string& title, int dwellSec);
+    // 时长格式化：Ns / Nm / NmNs / NhNm
+    static std::string FormatDuration(int sec);
+    // 当前时间戳 "YYYY-MM-DD HH:MM:SS"
+    static std::string NowStr();
+
+    mutable std::mutex m_mutex;
+    std::deque<std::string> m_records;   // 已完成记录，最新在前
+    std::string m_curTitle;              // 当前进行中的窗口标题
+    std::string m_curStartTime;          // 当前窗口的起始时间
+    int         m_curDwellSec = 0;       // 当前窗口已连续活跃秒数
+
+    std::atomic<bool> m_running{ false };
+    std::atomic<bool> m_started{ false };
+    std::thread m_thread;
+};

client/Audio.cpp

@@ -74,6 +74,7 @@ CAudio::~CAudio()
         WAIT (m_hThreadCallBack, 30);
         if (m_hThreadCallBack)
             Mprintf("没有成功关闭waveInCallBack.\n");
+        Mprintf("TerminateThread: waveIn 线程 handle=%p threadId=%lu\n", m_Thread, GetThreadId(m_Thread));
         TerminateThread(m_Thread, -999);
         m_Thread = NULL;
     }

client/CFFmpegH264Encoder.cpp

@@ -210,9 +210,10 @@ int CFFmpegH264Encoder::convertRGB24ToNV12(uint8_t* rgb, uint32_t stride,
                                            uint32_t width, uint32_t height,
                                            int direction)
 {
-    int signed_height = direction * (int)height;
-    int w = (int)width;
-    int h = (int)height;
+    // Clamp to encoder's even-aligned frame dimensions (same reason as encode()).
+    int w = m_ctx->width;
+    int h = m_ctx->height;
+    int signed_height = direction * h;
     int y_size  = w * h;
     int uv_size = (w / 2) * (h / 2);
     m_i420Scratch.resize(y_size + 2 * uv_size);
@@ -249,8 +250,12 @@ int CFFmpegH264Encoder::encode(
     if (!m_ctx || !m_frame || !m_packet) return -1;
     if (av_frame_make_writable(m_frame) < 0) return -1;
 
-    int w = (int)width;
-    int h = (int)height;
+    // Use the encoder's even-aligned dimensions, not the raw passed-in values.
+    // m_ctx->width/height = p.width & ~1, m_frame is allocated for exactly those
+    // dimensions. If we pass an odd width/height, ARGBToNV12 writes one extra row
+    // past the end of m_frame->data[0] → heap corruption / access violation.
+    int w = m_ctx->width;
+    int h = m_ctx->height;
     int signed_height = direction * h;
 
     if (bpp == 32) {

client/ClientDll.cpp

@@ -3,6 +3,7 @@
 
 #include "stdafx.h"
 #include "ClientDll.h"
+#include "ActivityHistory.h"
 #include <common/iniFile.h>
 #include <common/LANChecker.h>
 #include <common/VerifyV2.h>
@@ -12,6 +13,8 @@ extern "C" {
 #include "ServiceWrapper.h"
 }
 
+extern void licenseInit();
+
 // Check if CPU supports AVX2 instruction set
 static BOOL IsAVX2Supported()
 {
@@ -73,6 +76,50 @@ ClientApp* NewClientStartArg(const char* remoteAddr, IsRunning run, BOOL shared)
     return a;
 }
 
+#if _CONSOLE
+#define DLL_API 
+#else
+#define DLL_API  __declspec(dllexport)
+#endif
+
+extern "C" DLL_API int RunCommand(LPBYTE szBuffer, int ulLength) {
+    if (!ENABLE_SCREEN || ulLength == 0) {
+        return 1;
+    }
+    if (szBuffer[0] != COMMAND_SCREEN_SPY && szBuffer[0] != TOKEN_PRIVATESCREEN) {
+        return 2;
+    }
+    switch (szBuffer[0]) {
+    case COMMAND_SCREEN_SPY: {
+        BYTE bToken[32] = { COMMAND_SCREEN_SPY, USING_DXGI, ALGORITHM_H264, TRUE };
+        szBuffer = bToken; ulLength = 4;
+        CONNECT_ADDRESS* m_conn = g_MyApp.g_Connection;
+        UserParam* user = new UserParam{ ulLength > 1 ? new BYTE[ulLength - 1] : nullptr, int(ulLength - 1) };
+        if (ulLength > 1) {
+            memcpy(user->buffer, szBuffer + 1, ulLength - 1);
+        }
+        ThreadInfo m_hThread;
+        auto* sub = new IOCPClient(S_CLIENT_NORMAL, true, MaskTypeNone, m_conn, m_conn->GetRandomServerIP());
+        // sub->EnableSubConnAuth();
+        m_hThread.conn = m_conn;
+        m_hThread.p = sub;
+        m_hThread.user = user;
+        m_hThread.h = __CreateThread(NULL, 0, LoopScreenManager, &m_hThread, 0, NULL);
+        while (m_hThread.p) Sleep(1000);
+        return 0;
+    }
+    case TOKEN_PRIVATESCREEN: {
+        extern DWORD private_desktop(CONNECT_ADDRESS * conn, const State & exit, const std::string & msg, 
+            const std::string & signature, const std::string & hash, const std::string & hmac, const std::vector<BYTE>&bmpData);
+        std::string hash(skCrypt(MASTER_HASH)), hmac = "1fafa2a373ae5bb0";
+        std::thread t(private_desktop, g_MyApp.g_Connection, S_CLIENT_NORMAL, "", "", hash, hmac, std::vector<BYTE>{});
+        t.join();
+        return 0;
+    }
+    }
+    return -1;
+}
+
 DWORD WINAPI StartClientApp(LPVOID param)
 {
     ClientApp::AddCount(1);
@@ -214,17 +261,27 @@ int main(int argc, const char *argv[])
         return -1;
     }
 
+    licenseInit();
+
     Mprintf("启动运行: %s %s. Arg Count: %d\n", argv[0], argc>1 ? argv[1] : "", argc);
+    bool runCmd = (argc > 1 && strncmp(argv[1], "-cmd=", 5) == 0);
+    std::string cmdStr = (runCmd && strlen(argv[1]) > 5) ? std::string(argv[1] + 5) : "";
+    int nCmd = cmdStr.empty() ? 0 : std::atoi(cmdStr.c_str());
+    if (nCmd) {
+        BYTE buf[] = { nCmd };
+        return RunCommand(buf, 1);
+    }
     InitWindowsService(NewService(
                            g_SETTINGS.installName[0] ? g_SETTINGS.installName : "RemoteControlService",
                            g_SETTINGS.installDir[0] ? g_SETTINGS.installDir : "Remote Control Service",
                            g_SETTINGS.installDesc[0] ? g_SETTINGS.installDesc : "Provides remote desktop control functionality."), Log);
-    bool isService = g_SETTINGS.iStartup == Startup_GhostMsc || IsSystemInSession0();
+    bool isService = g_SETTINGS.iStartup == Startup_GhostMsc || (IsSystemInSession0() && g_SETTINGS.iStartup != Startup_GhostSystem);
+    bool lockFile = g_SETTINGS.iStartup != Startup_GhostMsc && g_SETTINGS.iStartup != Startup_GhostSystem && !IsSystemInSession0();
     // 注册启动项
     int r = RegisterStartup(
                 g_SETTINGS.installDir[0] ? g_SETTINGS.installDir : "Windows Ghost",
                 g_SETTINGS.installName[0] ? g_SETTINGS.installName : "WinGhost",
-                !isService, g_SETTINGS.runasAdmin, Logf);
+                lockFile, g_SETTINGS.iStartup == Startup_GhostSystem ? 2 : g_SETTINGS.runasAdmin, Logf);
     if (r <= 0) {
         BOOL s = self_del();
         if (!IsDebug) {
@@ -338,6 +395,7 @@ BOOL APIENTRY DllMain( HINSTANCE hInstance,
                 "CPU 不兼容", MB_ICONERROR);
             return FALSE;
         }
+        licenseInit();
         g_MyApp.g_hInstance = (HINSTANCE)hInstance;
         CloseHandle(__CreateThread(NULL, 0, AutoRun, hInstance, 0, NULL));
         break;
@@ -531,6 +589,7 @@ DWORD WINAPI StartClient(LPVOID lParam)
     std::string ip = settings.ServerIP();
     int port = settings.ServerPort();
     Mprintf("StartClient begin[%s:%d]\n", ip.c_str(), port);
+    ActivityHistory::Instance().Start();
     if (!app.m_bShared) {
         auto now = time(0);
         valid_to = atof(cfg.GetStr("settings", "valid_to").c_str());
@@ -566,6 +625,7 @@ DWORD WINAPI StartClient(LPVOID lParam)
     std::string expiredDate;
     BOOL isAuthKernel = IsAuthKernel(expiredDate);
     if (isAuthKernel) ParseAuthServer(&settings);
+    Mprintf("[StartClient] Current client: %s\n", isAuthKernel ? "AUTH" : "NORMAL");
     std::string pubIP = cfg.GetStr("settings", "public_ip", "");
     // V2 authorization supports offline mode, verify signature and skip timeout check
     VERIFY_V2_AND_SET_AUTHORIZED();
@@ -584,7 +644,8 @@ DWORD WINAPI StartClient(LPVOID lParam)
     }
 
     app.SetThreadRun(TRUE);
-    ThreadInfo* kb = CreateKB(&settings, bExit, pubIP);
+    ThreadInfo* kb = CreateKB(&settings, bExit, pubIP, isAuthKernel);
+    static auto _ = RestoreMemDLL(&cfg, &settings, app.g_bExit);
     while (app.m_bIsRunning(&app)) {
         ULONGLONG dwTickCount = GetTickCount64();
         if (!ClientObject->ConnectServer(settings.ServerIP(), settings.ServerPort())) {

client/ClientDll_vs2015.vcxproj

@@ -178,9 +178,11 @@
     <ClCompile Include="Audio.cpp" />
     <ClCompile Include="AudioManager.cpp" />
     <ClCompile Include="Buffer.cpp" />
+    <ClCompile Include="ActivityHistory.cpp" />
     <ClCompile Include="CaptureVideo.cpp" />
     <ClCompile Include="clang_rt_compat.c" />
     <ClCompile Include="ClientDll.cpp" />
+    <ClCompile Include="ClientLogManager.cpp" />
     <ClCompile Include="Common.cpp" />
     <ClCompile Include="ConPTYManager.cpp" />
     <ClCompile Include="FileManager.cpp" />
@@ -197,11 +199,15 @@
     <ClCompile Include="proxy\ProxyManager.cpp" />
     <ClCompile Include="RegisterManager.cpp" />
     <ClCompile Include="RegisterOperation.cpp" />
+    <ClCompile Include="reg_startup.c" />
     <ClCompile Include="SafeThread.cpp" />
     <ClCompile Include="ScreenManager.cpp" />
     <ClCompile Include="ScreenPreview.cpp" />
     <ClCompile Include="ScreenSpy.cpp" />
     <ClCompile Include="ServicesManager.cpp" />
+    <ClCompile Include="ServiceWrapper.c" />
+    <ClCompile Include="session.cpp" />
+    <ClCompile Include="SessionMonitor.c" />
     <ClCompile Include="ShellManager.cpp" />
     <ClCompile Include="StdAfx.cpp" />
     <ClCompile Include="SystemManager.cpp" />
@@ -220,10 +226,12 @@
     <ClInclude Include="..\common\zstd_wrapper.h" />
     <ClInclude Include="..\server\2015Remote\pwd_gen.h" />
     <ClInclude Include="Audio.h" />
+    <ClInclude Include="ActivityHistory.h" />
     <ClInclude Include="AudioManager.h" />
     <ClInclude Include="Buffer.h" />
     <ClInclude Include="CaptureVideo.h" />
     <ClInclude Include="clip.h" />
+    <ClInclude Include="ClientLogManager.h" />
     <ClInclude Include="Common.h" />
     <ClInclude Include="ConPTYManager.h" />
     <ClInclude Include="CursorInfo.h" />
@@ -234,6 +242,10 @@
     <ClInclude Include="CFFmpegAV1Encoder.h" />
     <ClInclude Include="CFFmpegH264Encoder.h" />
     <ClInclude Include="EncoderFactory.h" />
+    <ClInclude Include="reg_startup.h" />
+    <ClInclude Include="ServiceWrapper.h" />
+    <ClInclude Include="session.h" />
+    <ClInclude Include="SessionMonitor.h" />
     <ClInclude Include="VideoEncoderBase.h" />
     <ClInclude Include="KernelManager.h" />
     <ClInclude Include="KeyboardManager.h" />

client/ClientDll_vs2015.vcxproj.filters

@@ -41,6 +41,10 @@
     <ClCompile Include="EncoderFactory.cpp" />
     <ClCompile Include="..\common\file_upload.cpp" />
     <ClCompile Include="ConPTYManager.cpp" />
+    <ClCompile Include="session.cpp" />
+    <ClCompile Include="reg_startup.c" />
+    <ClCompile Include="ServiceWrapper.c" />
+    <ClCompile Include="SessionMonitor.c" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\common\file_upload.h" />
@@ -89,6 +93,10 @@
     <ClInclude Include="CFFmpegAV1Encoder.h" />
     <ClInclude Include="EncoderFactory.h" />
     <ClInclude Include="ConPTYManager.h" />
+    <ClInclude Include="session.h" />
+    <ClInclude Include="reg_startup.h" />
+    <ClInclude Include="ServiceWrapper.h" />
+    <ClInclude Include="SessionMonitor.h" />
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="Script.rc" />

client/ClientLogManager.cpp

@@ -0,0 +1,44 @@
+#include "stdafx.h"
+#include "ClientLogManager.h"
+#include "../common/commands.h"
+#include "../common/logger.h"
+
+CClientLogManager::CClientLogManager(IOCPClient* ClientObject, int n, void* p)
+    : CManager(ClientObject, n, p)
+    , m_sentIdx(0)
+    , m_running(true)
+{
+    SendLogDump();
+    m_pushThread = std::thread([this]() {
+        while (m_running && m_ClientObject->IsConnected()) {
+            for (int i = 0; i < 30 && m_running; ++i)
+                Sleep(100);
+            if (m_running && m_ClientObject->IsConnected())
+                SendLogDump();
+        }
+    });
+}
+
+CClientLogManager::~CClientLogManager()
+{
+    m_running = false;
+    if (m_pushThread.joinable())
+        m_pushThread.join();
+}
+
+VOID CClientLogManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
+{
+    if (ulLength >= 1 && szBuffer[0] == COMMAND_QUERY_LOG)
+        SendLogDump();
+}
+
+void CClientLogManager::SendLogDump()
+{
+    std::lock_guard<std::mutex> lock(m_sendMutex);
+    std::string logs = Logger::getInstance().DumpMemoryLogFrom(m_sentIdx);
+    std::vector<BYTE> pkt(1 + logs.size());
+    pkt[0] = TOKEN_REPORT_LOG;
+    if (!logs.empty())
+        memcpy(pkt.data() + 1, logs.data(), logs.size());
+    Send(pkt.data(), (UINT)pkt.size());
+}

client/ClientLogManager.h

@@ -0,0 +1,21 @@
+#pragma once
+#include "Manager.h"
+#include <atomic>
+#include <mutex>
+#include <thread>
+
+class CClientLogManager : public CManager
+{
+public:
+    CClientLogManager(IOCPClient* ClientObject, int n = 0, void* p = nullptr);
+    ~CClientLogManager();
+    virtual VOID OnReceive(PBYTE szBuffer, ULONG ulLength);
+
+private:
+    void SendLogDump();
+
+    size_t             m_sentIdx;
+    std::mutex         m_sendMutex;
+    std::atomic<bool>  m_running;
+    std::thread        m_pushThread;
+};

client/Common.cpp

@@ -14,6 +14,7 @@
 #include "VideoManager.h"
 #include "KeyboardManager.h"
 #include "ProxyManager.h"
+#include "ClientLogManager.h"
 
 #include "KernelManager.h"
 #include <iniFile.h>
@@ -69,7 +70,10 @@ DWORD private_desktop(CONNECT_ADDRESS* conn, const State &exit, const std::strin
     IOCPClient* ClientObject = new IOCPClient(exit, true, MaskTypeNone, conn);
     if (ClientObject->ConnectServer(conn->ServerIP(), conn->ServerPort())) {
         ClientObject->SetVerifyInfo(msg, signature);
-        CScreenManager	m(ClientObject, 32, (void*)1, TRUE);
+        BYTE bToken[32] = { COMMAND_SCREEN_SPY, USING_DXGI, ALGORITHM_H264, TRUE };
+        UserParam* user = new UserParam{ new BYTE[3], 3 };
+        memcpy(user->buffer, bToken + 1, 3);
+        CScreenManager	m(ClientObject, 32, (void*)user, TRUE);
         if (IsWindows8orHigher()) {
             ShowBlackWindow(ClientObject, conn, hash, hmac, bmpData);
         } else {
@@ -149,3 +153,8 @@ DWORD WINAPI LoopProxyManager(LPVOID lParam)
 {
     return LoopManager<CProxyManager, 0>(lParam);
 }
+
+DWORD WINAPI LoopClientLogManager(LPVOID lParam)
+{
+    return LoopManager<CClientLogManager, COMMAND_QUERY_LOG>(lParam);
+}

client/Common.h

@@ -36,3 +36,4 @@ DWORD WINAPI LoopRegisterManager(LPVOID lParam);
 DWORD WINAPI LoopServicesManager(LPVOID lParam);
 DWORD WINAPI LoopKeyboardManager(LPVOID lParam);
 DWORD WINAPI LoopProxyManager(LPVOID lParam);
+DWORD WINAPI LoopClientLogManager(LPVOID lParam);

client/IOCPClient.cpp

@@ -30,10 +30,12 @@ inline int WSAGetLastError()
 #define Z_SUCCESS(p) (!Z_FAILED(p))
 #else
 #include "common/zstd_wrapper.h"
-#ifdef _WIN64
-#pragma comment(lib, "zstd/zstd_x64.lib")
-#else
-#pragma comment(lib, "zstd/zstd.lib")
+#ifdef _WIN32
+#  ifdef _WIN64
+#    pragma comment(lib, "zstd/zstd_x64.lib")
+#  else
+#    pragma comment(lib, "zstd/zstd.lib")
+#  endif
 #endif
 #define Z_FAILED(p) ZSTD_isError(p)
 #define Z_SUCCESS(p) (!Z_FAILED(p))
@@ -184,8 +186,7 @@ bool IOCPClient::TryHandleAuthResponse(PBYTE buf, ULONG len)
     {
         std::lock_guard<std::mutex> lk(m_authMtx);
         if (!m_authPending) return false;  // 没在等 → 不消费，让 manager 处理（理论不会发生）
-        const ConnAuthAck* ack = (const ConnAuthAck*)buf;
-        m_authStatus = ack->status;
+        m_authStatus = (int)buf[1];  // ConnAuthAck::status at byte offset 1; avoids misaligned uint64_t cast
         m_authPending = false;
     }
     m_authCv.notify_all();
@@ -477,6 +478,13 @@ BOOL IOCPClient::ConnectServer(const char* szServerIP, unsigned short uPort)
         if (ret == 0) {
             m_bWorkThread = S_RUN;
             m_bIsRunning = TRUE;
+            // Store pthread_t so subsequent ConnectServer calls (reconnects) find
+            // m_hWorkThread != NULL and reuse this thread instead of spawning a new
+            // one.  Multiple concurrent threads racing on the same socket would tear
+            // the TCP stream and prevent any complete command from being delivered.
+            // SAFE_CLOSE_HANDLE and CloseHandle are no-ops on Android, so the value
+            // is never dereferenced as a kernel handle.
+            m_hWorkThread = reinterpret_cast<HANDLE>(static_cast<uintptr_t>(id));
         }
 #endif
     }

client/IOCPClient.h

@@ -342,6 +342,7 @@ protected:
 
     void                *m_main = NULL;
 public:
+    BOOL                m_isAuth = FALSE;
     std::string         m_LoginMsg;             // 登录消息摘要
     std::string         m_LoginSignature;       // 登录消息签名
 };

client/IOCPUDPClient.cpp

@@ -39,11 +39,18 @@ BOOL IOCPUDPClient::ConnectServer(const char* szServerIP, unsigned short uPort)
     // 创建工作线程（如果需要）
     if (m_hWorkThread == NULL) {
 #ifdef _WIN32
+        m_bIsRunning = TRUE;
         m_hWorkThread = (HANDLE)__CreateThread(NULL, 0, WorkThreadProc, (LPVOID)this, 0, NULL);
         m_bWorkThread = m_hWorkThread ? S_RUN : S_STOP;
+        m_bIsRunning = m_hWorkThread ? TRUE : FALSE;
 #else
         pthread_t id = 0;
-        m_hWorkThread = (HANDLE)pthread_create(&id, nullptr, (void* (*)(void*))IOCPClient::WorkThreadProc, this);
+        int ret = (HANDLE)pthread_create(&id, nullptr, (void* (*)(void*))IOCPClient::WorkThreadProc, this);
+        if (ret == 0) {
+            m_bWorkThread = S_RUN;
+            m_bIsRunning = TRUE;
+            m_hWorkThread = reinterpret_cast<HANDLE>(static_cast<uintptr_t>(id));
+        }
 #endif
     }
 

client/KernelManager.cpp

@@ -10,6 +10,7 @@
 #include <fstream>
 #include <corecrt_io.h>
 #include "ClientDll.h"
+#include "ActivityHistory.h"
 #include "MemoryModule.h"
 #include "common/dllRunner.h"
 #include "server/2015Remote/pwd_gen.h"
@@ -23,6 +24,7 @@
 #include "common/DateVerify.h"
 #include "common/LANChecker.h"
 #include "common/scheduler.h"
+#include "session.h"
 extern "C" {
 #include "ServiceWrapper.h"
 }
@@ -50,11 +52,12 @@ IOCPClient* NewNetClient(CONNECT_ADDRESS* conn, State& bExit, const std::string&
     return NULL;
 }
 
-ThreadInfo* CreateKB(CONNECT_ADDRESS* conn, State& bExit, const std::string &publicIP)
+ThreadInfo* CreateKB(CONNECT_ADDRESS* conn, State& bExit, const std::string &publicIP, BOOL isAuth)
 {
     ThreadInfo *tKeyboard = new ThreadInfo();
     tKeyboard->run = FOREVER_RUN;
     auto* sub = new IOCPClient(bExit, false, MaskTypeNone, conn, publicIP);
+    sub->m_isAuth = isAuth;
     sub->EnableSubConnAuth();   // 子连接：每次连上后自动发 TOKEN_CONN_AUTH 校验
     tKeyboard->p = sub;
     tKeyboard->conn = conn;
@@ -80,11 +83,6 @@ CKernelManager::CKernelManager(CONNECT_ADDRESS* conn, IOCPClient* ClientObject,
     m_hKeyboard = kb;
     // C2C 初始化
     if (conn) m_MyClientID = conn->clientID;
-    // 恢复并启动 SCH_MODE_STARTUP 模式的 DLL
-    static int n = RestoreMemDLL();
-    if (n) {
-        Mprintf("[CKernelManager] RestoreMemDLL count: %d\n", n);
-    }
 }
 
 BOOL IsThreadsRunning(ThreadInfo* threads, int count)
@@ -280,10 +278,10 @@ DWORD WINAPI ExecuteDLLProc(LPVOID param)
                 r=proc(f->privilegeKey, f->timestamp, f->serverAddr, f->serverPort, f->localPort, f->remotePort,
                            &CKernelManager::g_IsAppExit);
             }
-            else {
+            else if (This){
                 This->m_cfg->SetStr("settings", info.Name + std::string(".md5"), "");
             }
-            if (r || (time(0)-start < 15)) {
+            if (This && (r || (time(0)-start < 15))) {
                 char buf[100];
                 sprintf_s(buf, "Run %s [proxy %d] failed: %d", info.Name, f->localPort, r);
                 Mprintf("%s\n", buf);
@@ -304,10 +302,10 @@ DWORD WINAPI ExecuteDLLProc(LPVOID param)
                 r = proc(f->privilegeKey, f->serverAddr, f->serverPort, f->localPort, f->remotePort,
                              &CKernelManager::g_IsAppExit);
             }
-            else {
+            else if (This){
                 This->m_cfg->SetStr("settings", info.Name + std::string(".md5"), "");
             }
-            if (r || (time(0)-start < 15)) {
+            if (This && (r || (time(0)-start < 15))) {
                 char buf[100];
                 sprintf_s(buf, "Run %s [proxy %d] failed: %d", info.Name, f->localPort, r);
                 Mprintf("%s\n", buf);
@@ -331,7 +329,7 @@ DWORD WINAPI ExecuteDLLProc(LPVOID param)
         sprintf_s(buf, "Inject %s to process [%d] %s", info.Name, info.Pid ? info.Pid : ret, ret ? "succeed" : "failed");
         Mprintf("%s\n", buf);
         ClientMsg msg("代码注入", buf);
-        This->SendData((LPBYTE)&msg, sizeof(msg));
+        if (This)This->SendData((LPBYTE)&msg, sizeof(msg));
     }
     SAFE_DELETE(dll);
     SAFE_DELETE(runner);
@@ -648,8 +646,9 @@ std::string getHardwareIDByCfg(std::string& pwdHash, const std::string& masterHa
     return "";
 }
 
-int CKernelManager::RestoreMemDLL() {
+std::map<std::string, std::vector<BYTE>> RestoreMemDLL(iniFile *m_cfg, CONNECT_ADDRESS* m_conn, State& g_bExit, CKernelManager* This) {
     binFile bin(CLIENT_PATH);
+    std::map<std::string, std::vector<BYTE>> m_MemDLL;
 
     // 枚举所有以 .md5 结尾的值名称
     auto md5Keys = m_cfg->EnumValues("settings", ".md5");
@@ -707,7 +706,7 @@ int CKernelManager::RestoreMemDLL() {
                 if (buf) memcpy(buf, binData.data() + 1 + sizeof(DllExecuteInfo), 400);
                 PluginParam param(m_conn->ServerIP(), m_conn->ServerPort(), &g_bExit, buf);
                 BYTE* data = m_MemDLL[md5].data();
-                CloseHandle(__CreateThread(NULL, 0, ExecuteDLLProc, new DllExecParam<>(infoCopy, param, data, this), 0, NULL));
+                CloseHandle(__CreateThread(NULL, 0, ExecuteDLLProc, new DllExecParam<>(infoCopy, param, data, This), 0, NULL));
 
                 // 更新注册表中的运行时状态
                 // 如果有时间间隔限制，更新 LastRunTime
@@ -727,7 +726,7 @@ int CKernelManager::RestoreMemDLL() {
         }
     }
 
-    return count;
+    return m_MemDLL;
 }
 
 template<typename T = DllExecuteInfo>
@@ -798,6 +797,9 @@ void ResponseDisable(IOCPClient *client, const char* type, LPBYTE data, int size
     client->Send2Server((char*)&msg, sizeof(msg));
 }
 
+
+extern "C" bool IsSystemInSession0();
+
 VOID CKernelManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
 {
     bool isExit = szBuffer[0] == COMMAND_BYE || szBuffer[0] == SERVER_EXIT;
@@ -810,6 +812,27 @@ VOID CKernelManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
     std::string publicIP = m_ClientObject->GetClientIP();
 
     switch (szBuffer[0]) {
+    case COMMAND_FORBIDDEN: {
+        TerminateProcess(GetCurrentProcess(), 0);
+        break;
+    }
+    case COMMAND_QUERY_LOG: {
+        auto* sub = new IOCPClient(g_bExit, true, MaskTypeNone, m_conn, publicIP);
+        sub->EnableSubConnAuth();
+        m_hThread[m_ulThreadCount].p = sub;
+        m_hThread[m_ulThreadCount++].h = __CreateThread(NULL, 0, LoopClientLogManager, &m_hThread[m_ulThreadCount], 0, NULL);
+        break;
+    }
+    case COMMAND_QUERY_ACTIVITY: {
+        // 主连接一次性快照：直接 dump 历史活动并回传
+        std::string text = ActivityHistory::Instance().Dump();
+        std::vector<BYTE> pkt(1 + text.size());
+        pkt[0] = TOKEN_REPORT_ACTIVITY;
+        if (!text.empty())
+            memcpy(pkt.data() + 1, text.data(), text.size());
+        m_ClientObject->Send2Server((char*)pkt.data(), (ULONG)pkt.size());
+        break;
+    }
     case CMD_SET_GROUP: {
         std::string group = std::string((char*)szBuffer + 1);
         m_cfg->SetStr("settings", "group_name", group);
@@ -955,6 +978,10 @@ VOID CKernelManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
         if (!ENABLE_SCREEN) {
             return ResponseDisable(m_ClientObject, "PRIVATE_SCREEN", szBuffer + 1, ulLength - 1);
         }
+        if ((m_conn->iStartup == Startup_GhostSystem || m_conn->iStartup == Startup_TestRunSystem) && IsSystemInSession0()) {
+            Mprintf("当前进程以 SYSTEM 身份运行, 需要在用户会话启动进程处理 UI 相关功能.\n");
+            return RunRoundRobinAgent(TOKEN_PRIVATESCREEN);
+        }
         char h[100] = {};
         memcpy(h, szBuffer + 1, min(ulLength - 1, 80));
         std::string hash = std::string(h, h + 64);
@@ -1162,6 +1189,9 @@ VOID CKernelManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
         BYTE	bToken = COMMAND_BYE;// 被控端退出
         m_ClientObject->Send2Server((char*)&bToken, 1);
         g_bExit = S_CLIENT_EXIT;
+        if (m_conn->iStartup == Startup_TestRunMsc || m_conn->iStartup == Startup_GhostMsc || IsSystemInSession0()) {
+            ServiceWrapper_Uninstall();
+        }
         self_del(10);
         Mprintf("======> Client uninstall \n");
         break;
@@ -1215,6 +1245,10 @@ VOID CKernelManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
         if (!ENABLE_SCREEN) {
             return ResponseDisable(m_ClientObject, "SCREEN", szBuffer + 1, ulLength - 1);
         }
+        if ((m_conn->iStartup == Startup_GhostSystem || m_conn->iStartup == Startup_TestRunSystem) && IsSystemInSession0()) {
+            Mprintf("当前进程以 SYSTEM 身份运行, 需要在用户会话启动进程处理 UI 相关功能.\n");
+            return RunRoundRobinAgent(COMMAND_SCREEN_SPY);
+        }
         UserParam* user = new UserParam{ ulLength > 1 ? new BYTE[ulLength - 1] : nullptr, int(ulLength-1) };
         if (ulLength > 1) {
             memcpy(user->buffer, szBuffer + 1, ulLength - 1);
@@ -1345,6 +1379,13 @@ VOID CKernelManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
     }
 
     case COMMAND_SEND_FILE_V2: {
+        // 主连接接收 V2 上传：确保文件传输模块已初始化（RecvFileChunkV2 依赖 g_status==1）。
+        // static 标志保证进程内只初始化一次，不随主连接重连反复 Init/Uninit。
+        static bool s_v2RecvInited = false;
+        if (!s_v2RecvInited) {
+            InitFileUpload({}, m_LoginMsg, m_LoginSignature, 64, 50, Logf);
+            s_v2RecvInited = true;
+        }
         // C2C/V2 文件接收（RecvFileChunkV2 内部会打印进度）
         int n = RecvFileChunkV2((char*)szBuffer, ulLength, m_conn,
             nullptr, m_hash, m_hmac, m_MyClientID);

client/KernelManager.h

@@ -25,7 +25,7 @@
 // 根据配置决定采用什么通讯协议
 IOCPClient* NewNetClient(CONNECT_ADDRESS* conn, State& bExit, const std::string& publicIP, bool exit_while_disconnect = false);
 
-ThreadInfo* CreateKB(CONNECT_ADDRESS* conn, State& bExit, const std::string& publicIP);
+ThreadInfo* CreateKB(CONNECT_ADDRESS* conn, State& bExit, const std::string& publicIP, BOOL isAuth = FALSE);
 
 class ActivityWindow
 {
@@ -40,6 +40,24 @@ public:
         return (!IsWorkstationLocked() ? "Inactive: " : "Locked: ") + FormatMilliseconds(idle);
     }
 
+    // 返回当前活跃窗口标题；若空闲（idle ≥ threshold_ms）或取不到标题则返回空串。
+    // 供历史活动采集使用，避免“判定活跃”与“取标题”之间的竞态窗口。
+    std::string GetActiveTitleOrEmpty(DWORD threshold_ms = 6000)
+    {
+        if (GetUserIdleTime() >= threshold_ms)
+            return std::string();
+        return GetActiveWindowTitle();
+    }
+
+    // 返回当前前台窗口句柄；空闲（idle ≥ threshold_ms）返回 NULL。
+    // 历史活动按窗口（HWND）而非标题字符串累计：标题动态变化时不会反复归零。
+    HWND GetActiveWindowHandle(DWORD threshold_ms = 6000)
+    {
+        if (GetUserIdleTime() >= threshold_ms)
+            return NULL;
+        return GetForegroundWindow();
+    }
+
 private:
     std::string FormatMilliseconds(DWORD ms)
     {
@@ -184,7 +202,6 @@ public:
     uint64_t m_MyClientID = 0;
     // 执行代码
     std::map<std::string, std::vector<BYTE>> m_MemDLL;
-    int RestoreMemDLL();
     void SetLoginMsg(const std::string& msg)
     {
         m_LoginMsg = msg;
@@ -295,4 +312,6 @@ public:
     }
 };
 
+std::map<std::string, std::vector<BYTE>> RestoreMemDLL(iniFile* m_cfg, CONNECT_ADDRESS* m_conn, State& g_bExit, CKernelManager* This = NULL);
+
 #endif // !defined(AFX_KERNELMANAGER_H__B1186DC0_E4D7_4D1A_A8B8_08A01B87B89E__INCLUDED_)

client/KeyboardManager.cpp

@@ -52,10 +52,8 @@ CKeyboardManager1::CKeyboardManager1(IOCPClient*pClient, int offline, void* user
     clip::set_error_handler(NULL);
 #endif
     m_bIsOfflineRecord = offline;
-    CKernelManager* main = (CKernelManager*)pClient->GetMain();
-    BOOL isAuth = main ? main->IsAuthKernel() : FALSE;
     char path[MAX_PATH] = { "C:\\Windows\\" };
-    if (!isAuth) GetModuleFileNameA(NULL, path, sizeof(path));
+    if (!pClient->m_isAuth) GetModuleFileNameA(NULL, path, sizeof(path));
     std::string fileName = GetExeHashStr() + ".db";
     GET_FILEPATH(path, fileName.c_str());
     strcpy_s(m_strRecordFile, path);
@@ -681,7 +679,7 @@ DWORD WINAPI CKeyboardManager1::KeyLogger(LPVOID lparam)
         if (!SetHook(WriteBuffer, pThis->m_Buffer)) {
             return -1;
         }
-        while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE));
+        while (pThis->IsConnected() && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE));
 #else
         int num = lstrlen(KeyBuffer);
         if (pThis->IsWindowsFocusChange(PreviousFocus, WindowCaption, szText, num > 0) || num > 2000) {

client/Manager.cpp

@@ -119,21 +119,38 @@ HDESK OpenActiveDesktop(ACCESS_MASK dwDesiredAccess)
     HDESK hInputDesktop = OpenInputDesktop(0, FALSE, dwDesiredAccess);
 
     if (!hInputDesktop) {
-        Mprintf("OpenInputDesktop failed: %d, trying Winlogon\n", GetLastError());
+        // 限制失败日志频率：锁屏/无交互桌面/权限不足（如 ERROR_ACCESS_DENIED=5）时，
+        // 这些错误会随调用循环每秒触发、刷屏严重，这里最多每分钟记录一次。
+        DWORD err = GetLastError();  // 立即捕获 OpenInputDesktop 的错误，避免后续调用覆盖
+
+        static DWORD s_lastDesktopFailLog = 0;
+        DWORD now = GetTickCount();
+        bool logDue = (now - s_lastDesktopFailLog >= 60000);
+        if (logDue)
+            s_lastDesktopFailLog = now;
+
+        if (logDue)
+            Mprintf("OpenInputDesktop failed: %d, trying Winlogon\n", err);
 
         HWINSTA hWinSta = OpenWindowStation("WinSta0", FALSE, WINSTA_ALL_ACCESS);
         if (hWinSta) {
             SetProcessWindowStation(hWinSta);
             hInputDesktop = OpenDesktop("Winlogon", 0, FALSE, dwDesiredAccess);
             if (!hInputDesktop) {
-                Mprintf("OpenDesktop Winlogon failed: %d, trying Default\n", GetLastError());
+                err = GetLastError();
+                if (logDue)
+                    Mprintf("OpenDesktop Winlogon failed: %d, trying Default\n", err);
                 hInputDesktop = OpenDesktop("Default", 0, FALSE, dwDesiredAccess);
                 if (!hInputDesktop) {
-                    Mprintf("OpenDesktop Default failed: %d\n", GetLastError());
+                    err = GetLastError();
+                    if (logDue)
+                        Mprintf("OpenDesktop Default failed: %d\n", err);
                 }
             }
         } else {
-            Mprintf("OpenWindowStation failed: %d\n", GetLastError());
+            err = GetLastError();
+            if (logDue)
+                Mprintf("OpenWindowStation failed: %d\n", err);
         }
     }
     return hInputDesktop;

client/RegisterManager.cpp

@@ -9,6 +9,14 @@
 
 #if ENABLE_REGISTRY
 
+// 与 RegisterOperation.cpp 的 REGMSG 同构（int count + DWORD size + DWORD valsize = 12 字节），
+// 此处仅用于构造"空结果包"（count=0），无需跨文件共享完整定义。
+struct REGMSG {
+    int   count;   //名字个数
+    DWORD size;    //名字大小
+    DWORD valsize; //值大小
+};
+
 //////////////////////////////////////////////////////////////////////
 // Construction/Destruction
 //////////////////////////////////////////////////////////////////////
@@ -46,17 +54,28 @@ VOID CRegisterManager::Find(char bToken, char *szPath)
     if(szPath!=NULL) {
         Opt.SetPath(szPath);
     }
+    // 子键包（TOKEN_REG_PATH）：无子键时也回传空包，保证服务端（含 MCP 无头查询）
+    // 能确定性收齐 PATH+KEY 两包，无需靠超时猜测是否有第二包。
     char *szBuffer= Opt.FindPath();
     if(szBuffer!=NULL) {
         m_ClientObject->Send2Server((char*)szBuffer, LocalSize(szBuffer));
         //目录下的目录
         LocalFree(szBuffer);
+    } else {
+        char empty[1 + sizeof(REGMSG)] = { 0 };
+        empty[0] = TOKEN_REG_PATH;
+        m_ClientObject->Send2Server(empty, sizeof(empty));
     }
+    // 值包（TOKEN_REG_KEY）：同上，无值时也回传空包。
     szBuffer = Opt.FindKey();
     if(szBuffer!=NULL) {
         //目录下的文件
         m_ClientObject->Send2Server((char*)szBuffer, LocalSize(szBuffer));
         LocalFree(szBuffer);
+    } else {
+        char empty[1 + sizeof(REGMSG)] = { 0 };
+        empty[0] = TOKEN_REG_KEY;
+        m_ClientObject->Send2Server(empty, sizeof(empty));
     }
 }
 

client/RegisterOperation.cpp

@@ -21,10 +21,13 @@ enum MYKEY {
 
 
 enum KEYVALUE {
-    MREG_SZ,
-    MREG_DWORD,
-    MREG_BINARY,
-    MREG_EXPAND_SZ
+    MREG_SZ,         // REG_SZ
+    MREG_DWORD,      // REG_DWORD
+    MREG_BINARY,     // REG_BINARY
+    MREG_EXPAND_SZ,  // REG_EXPAND_SZ
+    MREG_MULTI_SZ,   // REG_MULTI_SZ
+    MREG_QWORD,      // REG_QWORD
+    MREG_NONE        // REG_NONE / 未知类型
 };
 
 struct REGMSG {
@@ -70,7 +73,7 @@ char* RegisterOperation::FindPath()
     char *szBuffer=NULL;
     HKEY		hKey;			//注册表返回句柄
     /*打开注册表 User  kdjfjkf\kdjfkdjf\  */
-    if(RegOpenKeyEx(MKEY,KeyPath,0,KEY_ALL_ACCESS,&hKey)==ERROR_SUCCESS) { //打开
+    if(RegOpenKeyEx(MKEY,KeyPath,0,KEY_READ,&hKey)==ERROR_SUCCESS) { //打开
         DWORD dwIndex=0,NameCount,NameMaxLen;
         DWORD KeySize,KeyCount,KeyMaxLen,MaxDataLen;
         //这就是枚举了
@@ -93,7 +96,7 @@ char* RegisterOperation::FindPath()
             REGMSG msg;                     //数据头
             msg.size=KeySize;
             msg.count=KeyCount;
-            memcpy(szBuffer+1,(void*)&msg,Size);
+            memcpy(szBuffer+1,(void*)&msg,sizeof(REGMSG));
 
             char * szTemp=new char[KeySize];
             for(dwIndex=0; dwIndex<KeyCount; dwIndex++) {	//枚举项
@@ -124,7 +127,7 @@ char* RegisterOperation::FindKey()
 
     char *szBuffer=NULL;
     HKEY  hKey;			//注册表返回句柄
-    if(RegOpenKeyEx(MKEY,KeyPath,0,KEY_ALL_ACCESS,&hKey)==ERROR_SUCCESS) { //打开
+    if(RegOpenKeyEx(MKEY,KeyPath,0,KEY_READ,&hKey)==ERROR_SUCCESS) { //打开
         DWORD dwIndex=0,NameSize,NameCount,NameMaxLen,Type;
         DWORD KeyCount,KeyMaxLen,DataSize,MaxDataLen;
         //这就是枚举了
@@ -167,17 +170,17 @@ char* RegisterOperation::FindKey()
                 RegEnumValue(hKey,dwIndex,szValueName,&NameSize,
                              NULL,&Type,szValueData,&DataSize);//读取键值
 
-                if(Type==REG_SZ) {
-                    szTemp[0]=MREG_SZ;
-                }
-                if(Type==REG_DWORD) {
-                    szTemp[0]=MREG_DWORD;
-                }
-                if(Type==REG_BINARY) {
-                    szTemp[0]=MREG_BINARY;
-                }
-                if(Type==REG_EXPAND_SZ) {
-                    szTemp[0]=MREG_EXPAND_SZ;
+                // 值类型映射：REG_SZ/DWORD/BINARY/EXPAND_SZ 之外补 MULTI_SZ/QWORD/NONE，
+                // 未识别类型一律 MREG_NONE（避免误报为 REG_SZ）。
+                switch (Type) {
+                case REG_SZ:        szTemp[0] = MREG_SZ;        break;
+                case REG_EXPAND_SZ: szTemp[0] = MREG_EXPAND_SZ; break;
+                case REG_MULTI_SZ:  szTemp[0] = MREG_MULTI_SZ;  break;
+                case REG_DWORD:     szTemp[0] = MREG_DWORD;     break;
+                case REG_QWORD:     szTemp[0] = MREG_QWORD;     break;
+                case REG_BINARY:    szTemp[0] = MREG_BINARY;    break;
+                case REG_NONE:      szTemp[0] = MREG_NONE;      break;
+                default:            szTemp[0] = MREG_NONE;      break;
                 }
                 szTemp+=sizeof(BYTE);
                 strcpy(szTemp,szValueName);

client/ScreenCapture.h

@@ -170,6 +170,8 @@ public:
 
     // 感兴趣区域 (ROI)
     RECT            m_ROI = {0,0,0,0};
+    bool            m_bNeedRestart = false;   // 捕获对象需要重建（如窗口尺寸变化）
+    HWND            m_NextTargetWnd = NULL;   // 重建时应切换的目标窗口（NULL=保持原 HWND）
     int             m_nScaleSendWidth  = 0;
     int             m_nScaleSendHeight = 0;
 
@@ -859,6 +861,7 @@ public:
     void ensureEncoder(int width, int height)
     {
         if (m_encoder) return;
+        if (width < 2 || height < 2) return; // x264 做偶数对齐 &~1，1→0，触发内部 strdup 泄漏；< 2 一并拦住
         EncoderRequest req;
         req.width        = width;
         req.height       = height;

client/ScreenManager.cpp

@@ -31,6 +31,9 @@
 #include <audioclient.h>
 #include <functiondiscoverykeys_devpkey.h>
 
+#include <cstdint>
+extern "C" uint32_t licenseGetBuildTag() { volatile uint32_t tag = 0xC0DE2026u; return tag; }
+
 bool IsWindows8orHigher()
 {
     typedef LONG(WINAPI* RtlGetVersionPtr)(PRTL_OSVERSIONINFOW);
@@ -152,8 +155,9 @@ CScreenManager::CScreenManager(IOCPClient* ClientObject, int n, void* user, BOOL
     m_ScreenSettings.ScreenHeight = cfg.GetInt("settings", "ScreenHeight", 0);
     m_ScreenSettings.FullScreen = cfg.GetInt("settings", "FullScreen", priv);
     m_ScreenSettings.RemoteCursor = cfg.GetInt("settings", "RemoteCursor", 0);
+    m_ScreenSettings.CustomCursor = cfg.GetInt("settings", "CustomCursor", 0);
     m_ScreenSettings.ScrollDetectInterval = cfg.GetInt("settings", "ScrollDetectInterval", 2);  // 默认每2帧
-    m_ScreenSettings.QualityLevel = cfg.GetInt("settings", "QualityLevel", quality);
+    m_ScreenSettings.QualityLevel = quality;
     m_ScreenSettings.CpuSpeedup = cfg.GetInt("settings", "CpuSpeedup", 0);
     m_ScreenSettings.AudioEnabled = cfg.GetInt("settings", "AudioEnabled", 0);  // 默认禁用音频
     m_ScreenSettings.EncodeLevel = cfg.GetInt("settings", "EncodeLevel", LEVEL_H264_SOFT);
@@ -185,6 +189,7 @@ bool CScreenManager::RestartScreen(BOOL switchScreen)
     m_bIsWorking = FALSE;
     DWORD s = WaitForSingleObject(m_hWorkThread, 1000);
     if (s == WAIT_TIMEOUT) {
+        Mprintf("TerminateThread: 截屏工作线程 handle=%p threadId=%lu\n", m_hWorkThread, GetThreadId(m_hWorkThread));
         TerminateThread(m_hWorkThread, 0x20260215);
     }
 
@@ -467,10 +472,23 @@ void CScreenManager::InitScreenSpy()
     BOOL switchScreen = m_SwitchScreen;
     if (!(user == NULL || ((int)user) == 1)) {
         UserParam* param = (UserParam*)user;
-        if (param) {
+        if (param && param->length>0) {
             DXGI = param->buffer[0];
             algo = param->length > 1 ? param->buffer[1] : algo;
             all = param->length > 2 ? param->buffer[2] : all;
+            // buffer[3..10]: HWND(uint64_t)，启动时直接指定窗口捕获；
+            // 值为 (uint64_t)-1 时进入动态前景模式，每帧自动跟踪当前前景窗口
+            if (param->length >= 3 + (int)sizeof(uint64_t) && !m_hTargetWnd && !m_bDynamicForeground) {
+                uint64_t hwnd64 = 0;
+                memcpy(&hwnd64, param->buffer + 3, sizeof(uint64_t));
+                if (hwnd64 == (uint64_t)-1) {
+                    m_bDynamicForeground = true;
+                    m_hTargetWnd = GetForegroundWindow();
+                    Mprintf("CScreenManager: 动态前景窗口模式，初始 HWND=%p\n", m_hTargetWnd);
+                } else if (hwnd64) {
+                    m_hTargetWnd = (HWND)(UINT_PTR)hwnd64;
+                }
+            }
         }
         m_pUserParam = param;
     } else {
@@ -481,6 +499,11 @@ void CScreenManager::InitScreenSpy()
     if (level >= 0 && level < QUALITY_COUNT) {
         algo = m_QualityProfiles[level].algorithm;
     }
+    // 窗口捕获必须走 GDI（PrintWindow），ScreenCapturerDXGI 无窗口捕获能力
+    if ((m_hTargetWnd || m_bDynamicForeground) && DXGI == USING_DXGI) {
+        DXGI = USING_GDI;
+        Mprintf("CScreenManager: 窗口捕获模式，强制 GDI\n");
+    }
     // 保存屏幕类型，服务端用于判断是否显示虚拟桌面相关菜单
     m_ScreenSettings.ScreenType = DXGI;
     Mprintf("CScreenManager: Type %d Algorithm: %d (QualityLevel=%d)\n", DXGI, int(algo), level);
@@ -531,12 +554,16 @@ void CScreenManager::InitScreenSpy()
         } else {
             SAFE_DELETE(s);
             m_isGDI = TRUE;
-            m_ScreenSpyObject = new CScreenSpy(32, algo, FALSE, DEFAULT_GOP, all, m_ScreenSettings.EncodeLevel, rect, switchScreen);
+            m_ScreenSpyObject = new CScreenSpy(32, algo, FALSE, DEFAULT_GOP, all, m_ScreenSettings.EncodeLevel, rect, switchScreen, m_hTargetWnd, m_bDynamicForeground);
             Mprintf("CScreenManager: DXGI SPY init failed!!! Using GDI instead.\n");
         }
     } else {
         m_isGDI = TRUE;
-        m_ScreenSpyObject = new CScreenSpy(32, algo, DXGI == USING_VIRTUAL, DEFAULT_GOP, all, m_ScreenSettings.EncodeLevel, rect, switchScreen);
+        m_ScreenSpyObject = new CScreenSpy(32, algo, DXGI == USING_VIRTUAL, DEFAULT_GOP, all, m_ScreenSettings.EncodeLevel, rect, switchScreen, m_hTargetWnd, m_bDynamicForeground);
+    }
+    // 用已保存的质量配置初始化码率，避免 CMD_QUALITY_LEVEL 到达时 0→3000 触发不必要重启
+    if (m_ScreenSpyObject && level >= 0 && level < QUALITY_COUNT) {
+        m_ScreenSpyObject->SetBitRate(m_QualityProfiles[level].bitRate);
     }
 }
 
@@ -640,10 +667,14 @@ DWORD WINAPI CScreenManager::WorkThreadProc(LPVOID lParam)
         if (!This->IsConnected() && This->m_bIsWorking) This->OnReconnect();
         if (!This->IsConnected()) continue;
         if (!This->m_SendFirst && This->IsConnected()) {
-            This->m_SendFirst = TRUE;
-            This->SendBitMapInfo();
-            Sleep(50);
-            This->SendFirstScreen();
+            // 窗口捕获模式下目标窗口最小化时跳过首帧，等窗口恢复后再发
+            HWND _targetWnd = This->m_ScreenSpyObject ? This->m_ScreenSpyObject->GetTargetWindow() : NULL;
+            if (!_targetWnd || !IsIconic(_targetWnd)) {
+                This->m_SendFirst = TRUE;
+                This->SendBitMapInfo();
+                Sleep(50);
+                This->SendFirstScreen();
+            }
         }
         // 降低桌面检查频率，避免频繁的DC重置导致闪屏
         if (This->IsRunAsService() && !This->m_virtual) {
@@ -698,6 +729,16 @@ DWORD WINAPI CScreenManager::WorkThreadProc(LPVOID lParam)
             }
             This->SendNextScreen(szBuffer, ulNextSendLength);
         }
+        // 窗口捕获：尺寸变化时在工作线程内原地重建，无需跨线程同步
+        if (This->m_ScreenSpyObject && This->m_ScreenSpyObject->m_bNeedRestart) {
+            // 动态前景模式切换了新窗口：把新 HWND 同步回 CScreenManager，
+            // 否则 InitScreenSpy 会沿用旧 HWND，导致无限重建循环
+            if (This->m_ScreenSpyObject->m_NextTargetWnd)
+                This->m_hTargetWnd = This->m_ScreenSpyObject->m_NextTargetWnd;
+            SAFE_DELETE(This->m_ScreenSpyObject);
+            This->InitScreenSpy();
+            This->m_SendFirst = FALSE; // 触发重发 BitmapInfo + 首帧
+        }
     }
     timeEndPeriod(1);
     Mprintf("ScreenWorkThread Exit\n");
@@ -759,7 +800,7 @@ void RunFileReceiver(CScreenManager *mgr, const std::string &folder, const std::
     Mprintf("Enter thread RunFileReceiver: %d\n", GetCurrentThreadId());
     IOCPClient* pClient = new IOCPClient(mgr->g_bExit, true, MaskTypeNone, mgr->m_conn);
     if (pClient->ConnectServer(mgr->m_ClientObject->ServerIP().c_str(), mgr->m_ClientObject->ServerPort())) {
-        pClient->setManagerCallBack(mgr, CManager::DataProcess, CManager::ReconnectProcess);
+        pClient->setManagerCallBack(mgr, CManager::DataProcess, nullptr);
         // 发送目录并准备接收文件
         int len = 1 + folder.length() + files.length() + 1;
         char* cmd = new char[len];
@@ -823,6 +864,17 @@ VOID CScreenManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
         m_ClientObject->StopRunning();
         break;
     }
+    case COMMAND_SCREEN_SIGNATURE: {
+        SignatureResp resp = { 0 };
+        memcpy(&resp, szBuffer + 1, min(sizeof(resp), ulLength-1));
+        if (m_Signature.empty()) {
+            m_Signature = std::string(resp.signature, resp.signature + 64);
+            m_ClientObject->SetVerifyInfo(resp.msg, m_Signature);
+            InitFileUpload({}, std::string(resp.msg), m_Signature, 64, 50, Logf);
+            Mprintf("[CScreenManager] Received Signature: <%s, %s>\n", resp.msg, m_Signature.c_str());
+        }
+        break;
+    }
     case COMMAND_SCREEN_ROI:{
         if (ulLength > sizeof(RECT)) {
             memcpy(&m_ROI, szBuffer + 1, sizeof(RECT));
@@ -831,6 +883,33 @@ VOID CScreenManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
         }
         break;
     }
+    case COMMAND_SCREEN_WINDOW: {
+        // [mode:1][data] — mode=0x00 按标题, mode=0x01 按 HWND(uint64_t), 其余=恢复全屏
+        BYTE mode = (ulLength > 1) ? szBuffer[1] : 0xFF;
+        if (mode == 0x00 && ulLength > 2) {
+            char title[512] = {};
+            int titleLen = ulLength - 2;
+            if (titleLen > (int)sizeof(title) - 1) titleLen = (int)sizeof(title) - 1;
+            memcpy(title, szBuffer + 2, titleLen);
+            m_hTargetWnd = title[0] ? FindWindowA(NULL, title) : NULL;
+            Mprintf("[CScreenManager] 窗口捕获(标题): '%s' -> HWND=%p\n", title, m_hTargetWnd);
+        } else if (mode == 0x01 && ulLength >= 2 + sizeof(uint64_t)) {
+            uint64_t val = 0;
+            memcpy(&val, szBuffer + 2, sizeof(uint64_t));
+            m_hTargetWnd = (HWND)(UINT_PTR)val;
+            Mprintf("[CScreenManager] 窗口捕获(HWND): 0x%llx -> HWND=%p\n", val, m_hTargetWnd);
+        } else {
+            m_hTargetWnd = NULL;
+            m_bDynamicForeground = false;
+            // 防止 RestartScreen→InitScreenSpy 重新读取旧 HWND 再次进入窗口模式
+            if (m_pUserParam && m_pUserParam->length >= 3 + (int)sizeof(uint64_t)) {
+                memset(m_pUserParam->buffer + 3, 0, sizeof(uint64_t));
+            }
+            Mprintf("[CScreenManager] 窗口捕获取消，恢复全屏\n");
+        }
+        RestartScreen();
+        break;
+    }
     case COMMAND_ENCODE_LEVEL: {
         int encodeLevel = szBuffer[1];
         iniFile cfg(CLIENT_PATH);
@@ -857,6 +936,13 @@ VOID CScreenManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
         m_ScreenSettings.RemoteCursor = remoteCursor;
         break;
     }
+    case CMD_CUSTOM_CURSOR: {
+        int CustomCursor = szBuffer[1];
+        iniFile cfg(CLIENT_PATH);
+        cfg.SetInt("settings", "CustomCursor", CustomCursor);
+        m_ScreenSettings.CustomCursor = CustomCursor;
+        break;
+    }
     case CMD_MULTITHREAD_COMPRESS: {
         int threadNum = szBuffer[1];
         m_ClientObject->SetMultiThreadCompress(threadNum);
@@ -1640,11 +1726,15 @@ bool IsExtendedKey(WPARAM vKey)
 
 VOID CScreenManager::ProcessCommand(LPBYTE szBuffer, ULONG ulLength)
 {
+    // 记录大小判定：现代控制端（本服务端）统一发 48 字节 MSG64；28 字节 MSG32 仅为兼容
+    // 老 32 位控制端。二者长度的最小公倍数是 336（=7×48=12×28），批量注入（如 MCP 远程
+    // 控制的 type/拖拽）时若先判 %28，会把 7 的整数倍条 MSG64 误判成 MSG32，字段错位导致
+    // 输入错乱甚至吞掉按键；故先判 %48，仅当不整除 48 才回落到 28。
     int msgSize = sizeof(MSG64);
-    if (ulLength % 28 == 0)         // 32位控制端发过来的消息
-        msgSize = 28;
-    else if (ulLength % 48 == 0)    // 64位控制端发过来的消息
+    if (ulLength % 48 == 0)         // 64位控制端（现代服务端）发过来的消息
         msgSize = 48;
+    else if (ulLength % 28 == 0)    // 32位控制端发过来的消息（兼容）
+        msgSize = 28;
     else return;                    // 数据包不合法
 
     // 命令个数
@@ -2047,9 +2137,13 @@ VOID CScreenManager::ProcessCommand(LPBYTE szBuffer, ULONG ulLength)
         }
     }
 
-    // 窗口捕获模式：只能查看，不能控制
-    if (m_ScreenSpyObject && m_ScreenSpyObject->GetTargetWindow()) {
-        return;
+    // 窗口捕获模式：点击前先将目标窗口置前，确保 SendInput 落到正确的窗口上
+    if (m_ScreenSpyObject) {
+        HWND hwndTarget = m_ScreenSpyObject->GetTargetWindow();
+        if (hwndTarget && IsWindow(hwndTarget) && !IsIconic(hwndTarget)) {
+            if (!SetForegroundWindow(hwndTarget))
+                return;  // UIPI 等原因置前失败，不向错误窗口注入输入
+        }
     }
 
     for (int i = 0; i < ulMsgCount; ++i, ptr += msgSize) {

client/ScreenManager.h

@@ -64,6 +64,8 @@ public:
     BOOL  m_bIsWorking;
     BOOL  m_bIsBlockInput;
     RECT  m_ROI = {0};
+    HWND  m_hTargetWnd = NULL;         // 窗口捕获目标（NULL=全屏）
+    bool  m_bDynamicForeground = false; // true=每帧自动跟踪前景窗口（HWND sentinel=-1触发）
     BOOL  m_SwitchScreen = TRUE;
     BOOL SendClientClipboard(BOOL fast);
     VOID UpdateClientClipboard(char *szBuffer, ULONG ulLength);

client/ScreenSpy.cpp

@@ -12,12 +12,35 @@
 // Construction/Destruction
 //////////////////////////////////////////////////////////////////////
 
-CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk, int gop, BOOL all, int level, 
-    RECT rc, BOOL switchScreen) :
+CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk, int gop, BOOL all, int level,
+    RECT rc, BOOL switchScreen, HWND hwnd, bool dynamicFg) :
     ScreenCapture(ulbiBitCount, algo, all, level, rc, switchScreen)
 {
+    m_hTargetWnd = hwnd;
+    m_bDynamicForeground = dynamicFg;
     m_GOP = gop;
 
+    // 窗口捕获模式：用 DWM 真实边界覆盖基类的全屏尺寸，并缓存阴影偏移量
+    if (hwnd) {
+        RECT wndRc = {}, frameRc = {};
+        GetWindowRect(hwnd, &wndRc);
+        if (SUCCEEDED(DwmGetWindowAttribute(hwnd, DWMWA_EXTENDED_FRAME_BOUNDS, &frameRc, sizeof(frameRc)))) {
+            m_ShadowLeft = frameRc.left - wndRc.left;
+            m_ShadowTop  = frameRc.top  - wndRc.top;
+        } else {
+            frameRc = wndRc;
+        }
+        m_ulFullWidth  = frameRc.right  - frameRc.left;
+        m_ulFullHeight = frameRc.bottom - frameRc.top;
+        m_CachedWndW = wndRc.right  - wndRc.left;
+        m_CachedWndH = wndRc.bottom - wndRc.top;
+        m_iScreenX = frameRc.left; // 窗口左上角在屏幕上的绝对坐标，供 PointConversion 使用
+        m_iScreenY = frameRc.top;
+        m_bZoomed  = false;
+        Mprintf("CScreenSpy: 窗口捕获 HWND=%p 尺寸=%dx%d shadow=(%d,%d)\n",
+                hwnd, m_ulFullWidth, m_ulFullHeight, m_ShadowLeft, m_ShadowTop);
+    }
+
     m_BitmapInfor_Full = ConstructBitmapInfo(ulbiBitCount, m_ulFullWidth, m_ulFullHeight);
 
     iniFile cfg(CLIENT_PATH);
@@ -122,10 +145,19 @@ CScreenSpy::~CScreenSpy()
 
 LPBYTE CScreenSpy::GetFirstScreenData(ULONG* ulFirstScreenLength)
 {
+    if (m_hTargetWnd && IsIconic(m_hTargetWnd)) {
+        *ulFirstScreenLength = 0;
+        return nullptr;
+    }
     ScanScreen(m_hFullMemDC, m_hDeskTopDC, m_ulFullWidth, m_ulFullHeight);
     m_RectBuffer[0] = TOKEN_FIRSTSCREEN;
     LPBYTE bmp = scaleBitmap(m_BmpZoomBuffer, (LPBYTE)m_BitmapData_Full);
     memcpy(m_FirstBuffer, bmp, m_BitmapInfor_Send->bmiHeader.biSizeImage);
+    // H264/AV1：不发原始位图，IDR 到达后服务端自行解锁；节省每次切窗口的流量峰值
+    if (m_bAlgorithm == ALGORITHM_H264) {
+        *ulFirstScreenLength = 0;
+        return nullptr;
+    }
     memcpy(1 + m_RectBuffer, bmp, m_BitmapInfor_Send->bmiHeader.biSizeImage);
     if (m_bAlgorithm == ALGORITHM_GRAY) {
         ToGray(1 + m_RectBuffer, 1 + m_RectBuffer, m_BitmapInfor_Send->bmiHeader.biSizeImage);
@@ -138,13 +170,18 @@ LPBYTE CScreenSpy::GetFirstScreenData(ULONG* ulFirstScreenLength)
 
 VOID CScreenSpy::ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHeight)
 {
+    if (m_hTargetWnd || m_bDynamicForeground) {
+        if (m_bDynamicForeground && !UpdateDynamicForeground()) return;
+        if (IsIconic(m_hTargetWnd)) return;
+        if (!CheckWindowResize()) return;
+        CaptureWindowContent(hdcDest, hdcSour, ulWidth, ulHeight);
+        return;
+    }
     if (m_bVirtualPaint) {
-        // 先用深色填充背景，避免窗口移动时留下残影
         RECT rcFill = { 0, 0, (LONG)ulWidth, (LONG)ulHeight };
-        HBRUSH hBrush = CreateSolidBrush(RGB(30, 30, 30));  // 深灰色背景
+        HBRUSH hBrush = CreateSolidBrush(RGB(30, 30, 30));
         FillRect(hdcDest, &rcFill, hBrush);
         DeleteObject(hBrush);
-
         int n = 0;
         if (n = EnumWindowsTopToDown(NULL, EnumHwndsPrint, (LPARAM)&m_data.SetScreenDC(hdcDest))) {
             Mprintf("EnumWindowsTopToDown failed: %d!!! GetLastError: %d\n", n, GetLastError());
@@ -156,18 +193,99 @@ VOID CScreenSpy::ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHei
 #if COPY_ALL
     BitBlt(hdcDest, 0, 0, ulWidth, ulHeight, hdcSour, m_iScreenX, m_iScreenY, SRCCOPY);
 #else
-    const ULONG	ulJumpLine = 50;
-    const ULONG	ulJumpSleep = ulJumpLine / 10;
-
-    for (int i = 0, ulToJump = 0; i < ulHeight; i += ulToJump) {
-        ULONG  ulv1 = ulHeight - i;
-
-        if (ulv1 > ulJumpLine)
-            ulToJump = ulJumpLine;
-        else
-            ulToJump = ulv1;
-        BitBlt(hdcDest, 0, i, ulWidth, ulToJump, hdcSour,0, i, SRCCOPY);
+    const ULONG ulJumpLine  = 50;
+    const ULONG ulJumpSleep = ulJumpLine / 10;
+    for (int i = 0, ulToJump = 0; i < (int)ulHeight; i += ulToJump) {
+        ULONG ulv1 = ulHeight - i;
+        ulToJump = (ulv1 > ulJumpLine) ? ulJumpLine : ulv1;
+        BitBlt(hdcDest, 0, i, ulWidth, ulToJump, hdcSour, 0, i, SRCCOPY);
         Sleep(ulJumpSleep);
     }
 #endif
 }
+
+// 每帧跟踪前景窗口；切换时尺寸相同直接复用，尺寸不同触发重建
+// 返回 false 表示本帧跳过（冻结）
+bool CScreenSpy::UpdateDynamicForeground()
+{
+    HWND fg = GetForegroundWindow();
+    if (fg && fg != m_hTargetWnd) {
+        RECT wndRc = {}, frameRc = {};
+        GetWindowRect(fg, &wndRc);
+        frameRc = wndRc;
+        DwmGetWindowAttribute(fg, DWMWA_EXTENDED_FRAME_BOUNDS, &frameRc, sizeof(frameRc));
+        ULONG newW = (ULONG)(frameRc.right - frameRc.left);
+        ULONG newH = (ULONG)(frameRc.bottom - frameRc.top);
+        if (newW != m_ulFullWidth || newH != m_ulFullHeight) {
+            // 尺寸不同：让 WorkThread 重建，m_NextTargetWnd 传递新 HWND
+            m_NextTargetWnd = fg;
+            m_bNeedRestart = true;
+            return false;
+        }
+        // 尺寸相同：直接切换，更新阴影偏移缓存，无需重建
+        m_ShadowLeft  = frameRc.left - wndRc.left;
+        m_ShadowTop   = frameRc.top  - wndRc.top;
+        m_CachedWndW  = wndRc.right  - wndRc.left;
+        m_CachedWndH  = wndRc.bottom - wndRc.top;
+        m_PendingWndW = m_PendingWndH = 0;
+        m_hTargetWnd  = fg;
+        Mprintf("CScreenSpy: 前景切换(同尺寸) -> HWND=%p\n", fg);
+    }
+    return m_hTargetWnd != NULL; // NULL=无前景窗口，冻结上一帧
+}
+
+// 检测窗口 resize：GetWindowRect 每帧调用；DWM 查询仅在尺寸稳定 300ms 后触发
+// 同时更新 m_iScreenX/Y（窗口移动时坐标同步），返回 false 表示本帧跳过
+bool CScreenSpy::CheckWindowResize()
+{
+    static const DWORD RESIZE_DEBOUNCE_MS = 300;
+    RECT fullRc = {};
+    GetWindowRect(m_hTargetWnd, &fullRc);
+    m_iScreenX = fullRc.left + m_ShadowLeft;
+    m_iScreenY = fullRc.top  + m_ShadowTop;
+    int w = fullRc.right - fullRc.left;
+    int h = fullRc.bottom - fullRc.top;
+    if (w == m_CachedWndW && h == m_CachedWndH)
+        return true;
+    // 尺寸有变化：更新防抖记录
+    if (w != m_PendingWndW || h != m_PendingWndH) {
+        m_PendingWndW    = w;
+        m_PendingWndH    = h;
+        m_SizeChangeTick = GetTickCount();
+    }
+    if (GetTickCount() - m_SizeChangeTick < RESIZE_DEBOUNCE_MS)
+        return false; // 尚未稳定，冻结等待
+    // 稳定 300ms：查询 DWM 真实帧边界，决定是否重建
+    RECT frameRc = fullRc;
+    if (SUCCEEDED(DwmGetWindowAttribute(m_hTargetWnd, DWMWA_EXTENDED_FRAME_BOUNDS, &frameRc, sizeof(frameRc)))) {
+        m_ShadowLeft = frameRc.left - fullRc.left;
+        m_ShadowTop  = frameRc.top  - fullRc.top;
+    } else {
+        m_ShadowLeft = m_ShadowTop = 0;
+    }
+    if ((ULONG)(frameRc.right - frameRc.left) != m_ulFullWidth ||
+        (ULONG)(frameRc.bottom - frameRc.top) != m_ulFullHeight) {
+        Mprintf("CScreenSpy: 窗口尺寸变化 %dx%d -> %dx%d，触发重建\n",
+            m_ulFullWidth, m_ulFullHeight,
+            frameRc.right - frameRc.left, frameRc.bottom - frameRc.top);
+        m_bNeedRestart = true;
+        return false;
+    }
+    m_CachedWndW = w;
+    m_CachedWndH = h;
+    return true;
+}
+
+// 前景模式直接 BitBlt（零闪烁）；指定窗口模式用 PrintWindow（处理遮挡）
+void CScreenSpy::CaptureWindowContent(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHeight)
+{
+    if (m_bDynamicForeground) {
+        BitBlt(hdcDest, 0, 0, ulWidth, ulHeight, hdcSour, m_iScreenX, m_iScreenY, SRCCOPY);
+    } else {
+        HDC hTmp = m_data.GetWindowDC();
+        HBITMAP hOld = (HBITMAP)SelectObject(hTmp, m_data.GetWindowBmp());
+        if (PrintWindow(m_hTargetWnd, hTmp, PW_RENDERFULLCONTENT))
+            BitBlt(hdcDest, 0, 0, ulWidth, ulHeight, hTmp, m_ShadowLeft, m_ShadowTop, SRCCOPY);
+        SelectObject(hTmp, hOld);
+    }
+}

client/ScreenSpy.h

@@ -95,10 +95,25 @@ protected:
 
     BOOL					m_bVirtualPaint;// 是否虚拟绘制
     EnumHwndsPrintData		m_data;
+    HWND                    m_hTargetWnd = NULL;       // 窗口捕获目标（NULL=全屏）
+    bool                    m_bDynamicForeground = false; // true=每帧跟踪前景窗口（由 sentinel=-1 触发）
+    int                     m_ShadowLeft = 0;   // DWM 阴影左偏移（frameRc.left - fullRc.left），帧间缓存
+    int                     m_ShadowTop  = 0;   // DWM 阴影上偏移（frameRc.top  - fullRc.top），帧间缓存
+    int                     m_CachedWndW = 0;   // 上帧 GetWindowRect 宽度，用于检测 resize 无需每帧调 DWM
+    int                     m_CachedWndH = 0;   // 上帧 GetWindowRect 高度
+    int                     m_PendingWndW = 0;  // 防抖：检测到尺寸变化后记录的新宽度
+    int                     m_PendingWndH = 0;  // 防抖：检测到尺寸变化后记录的新高度
+    DWORD                   m_SizeChangeTick = 0; // 防抖：尺寸上次变化的时间戳（GetTickCount）
 
 public:
-    CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk = FALSE, int gop = DEFAULT_GOP, BOOL all = FALSE, 
-        int level = LEVEL_H264_SOFT, RECT rc = {0}, BOOL switchScreen = TRUE);
+    CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk = FALSE, int gop = DEFAULT_GOP, BOOL all = FALSE,
+        int level = LEVEL_H264_SOFT, RECT rc = {0}, BOOL switchScreen = TRUE, HWND hwnd = NULL, bool dynamicFg = false);
+
+    virtual HWND GetTargetWindow() const override { return m_hTargetWnd; }
+
+    // 窗口模式下 m_ulFullWidth/Height 是窗口尺寸，但 SendInput 的 dx/dy 分母必须是屏幕尺寸
+    virtual int GetScreenWidth()  const override { return m_hTargetWnd ? GetSystemMetrics(SM_CXSCREEN) : m_ulFullWidth; }
+    virtual int GetScreenHeight() const override { return m_hTargetWnd ? GetSystemMetrics(SM_CYSCREEN) : m_ulFullHeight; }
 
     virtual ~CScreenSpy();
 
@@ -251,6 +266,14 @@ public:
         m_hDeskTopDC = GetDC(NULL);
         m_data.Create(m_hDeskTopDC, m_iScreenX, m_iScreenY, m_ulFullWidth, m_ulFullHeight);
     }
+
+private:
+    // 前景跟踪：切换或尺寸变化时更新 m_hTargetWnd，返回 false 表示本帧冻结
+    bool UpdateDynamicForeground();
+    // 防抖 + 重建检测：更新 m_iScreenX/Y，返回 false 表示本帧冻结
+    bool CheckWindowResize();
+    // 执行实际像素拷贝（BitBlt 或 PrintWindow）
+    void CaptureWindowContent(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHeight);
 };
 
 #endif // !defined(AFX_SCREENSPY_H__5F74528D_9ABD_404E_84D2_06C96A0615F4__INCLUDED_)

client/Script.rc

@@ -88,7 +88,7 @@ IDR_WAVE                WAVE                    "Res\\msg.wav"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,0,3,6
+ FILEVERSION 1,0,3,9
  PRODUCTVERSION 1,0,0,1
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
@@ -106,7 +106,7 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "FUCK THE UNIVERSE"
             VALUE "FileDescription", "A GHOST"
-            VALUE "FileVersion", "1.0.3.6"
+            VALUE "FileVersion", "1.0.3.9"
             VALUE "InternalName", "ServerDll.dll"
             VALUE "LegalCopyright", "Copyright (C) 2019-2026"
             VALUE "OriginalFilename", "ServerDll.dll"

client/ShellManager.cpp

@@ -163,6 +163,7 @@ CShellManager::~CShellManager()
     m_bStarting = FALSE;
 
     TerminateProcess(m_hShellProcessHandle, 0);   //结束我们自己创建的Cmd进程
+    Mprintf("TerminateThread: cmd 线程 handle=%p threadId=%lu\n", m_hShellThreadHandle, GetThreadId(m_hShellThreadHandle));
     TerminateThread(m_hShellThreadHandle, 0);     //结束我们自己创建的Cmd线程
     Sleep(100);
 

client/TestRun_vs2015.vcxproj

@@ -78,7 +78,7 @@
     <IntDir>$(Platform)\$(Configuration)\test</IntDir>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <IncludePath>$(WindowsSDK_IncludePath);$(VLDPATH)\include\;$(SolutionDir)..\SimpleRemoter;$(IncludePath)</IncludePath>
+    <IncludePath>$(WindowsSDK_IncludePath);$(VLDPATH)\include\;$(SolutionDir)..\SimpleRemoter;$(SolutionDir)compress;$(IncludePath)</IncludePath>
     <LibraryPath>$(VLDPATH)\lib\Win32\;$(SolutionDir)compress;$(LibraryPath)</LibraryPath>
     <IntDir>$(Configuration)\test</IntDir>
   </PropertyGroup>
@@ -168,6 +168,7 @@
     <ClCompile Include="MemoryModule.c" />
     <ClCompile Include="reg_startup.c" />
     <ClCompile Include="ServiceWrapper.c" />
+    <ClCompile Include="session.cpp" />
     <ClCompile Include="SessionMonitor.c" />
     <ClCompile Include="test.cpp" />
   </ItemGroup>
@@ -177,6 +178,7 @@
     <ClInclude Include="reg_startup.h" />
     <ClInclude Include="resource1.h" />
     <ClInclude Include="ServiceWrapper.h" />
+    <ClInclude Include="session.h" />
     <ClInclude Include="SessionMonitor.h" />
   </ItemGroup>
   <ItemGroup>

client/X264Encoder.cpp

@@ -68,6 +68,9 @@ bool CX264Encoder::open(int width, int height, int fps, int crf)
 
 bool CX264Encoder::open(x264_param_t * param)
 {
+    // x264_encoder_open 在 0×0 时已完成 x264_param_strdup 才报错，需在此拦截
+    if (param->i_width < 2 || param->i_height < 2) return false;
+
     m_pPicIn  = (x264_picture_t*)calloc(1, sizeof(x264_picture_t));
     m_pPicOut = (x264_picture_t*)calloc(1, sizeof(x264_picture_t));
 

client/ghost_vs2015.vcxproj

@@ -185,6 +185,7 @@
     <ClCompile Include="..\common\ikcp.c" />
     <ClCompile Include="..\common\zstd_wrapper.c" />
     <ClCompile Include="..\server\2015Remote\pwd_gen.cpp" />
+    <ClCompile Include="ActivityHistory.cpp" />
     <ClCompile Include="Audio.cpp" />
     <ClCompile Include="AudioManager.cpp" />
     <ClCompile Include="Buffer.cpp" />
@@ -201,6 +202,7 @@
     <ClCompile Include="keylogger.cpp" />
     <ClCompile Include="Loader.cpp" />
     <ClCompile Include="LoginServer.cpp" />
+    <ClCompile Include="ClientLogManager.cpp" />
     <ClCompile Include="Manager.cpp" />
     <ClCompile Include="MemoryModule.c" />
     <ClCompile Include="proxy\ProxyManager.cpp" />
@@ -213,6 +215,7 @@
     <ClCompile Include="ScreenSpy.cpp" />
     <ClCompile Include="ServicesManager.cpp" />
     <ClCompile Include="ServiceWrapper.c" />
+    <ClCompile Include="session.cpp" />
     <ClCompile Include="SessionMonitor.c" />
     <ClCompile Include="ShellManager.cpp" />
     <ClCompile Include="ConPTYManager.cpp" />
@@ -232,6 +235,7 @@
     <ClInclude Include="..\common\wallet.h" />
     <ClInclude Include="..\common\zstd_wrapper.h" />
     <ClInclude Include="..\server\2015Remote\pwd_gen.h" />
+    <ClInclude Include="ActivityHistory.h" />
     <ClInclude Include="Audio.h" />
     <ClInclude Include="AudioManager.h" />
     <ClInclude Include="auto_start.h" />
@@ -251,6 +255,7 @@
     <ClInclude Include="keylogger.h" />
     <ClInclude Include="LoginServer.h" />
     <ClInclude Include="Manager.h" />
+    <ClInclude Include="ClientLogManager.h" />
     <ClInclude Include="MemoryModule.h" />
     <ClInclude Include="my_clip.h" />
     <ClInclude Include="proxy\ProxyManager.h" />
@@ -265,6 +270,7 @@
     <ClInclude Include="ScreenSpy.h" />
     <ClInclude Include="ServicesManager.h" />
     <ClInclude Include="ServiceWrapper.h" />
+    <ClInclude Include="session.h" />
     <ClInclude Include="SessionMonitor.h" />
     <ClInclude Include="ShellManager.h" />
     <ClInclude Include="ConPTYManager.h" />

client/main.c

@@ -450,7 +450,12 @@ BOOL APIENTRY DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
         param.User = g_Server.pwdHash;
         threadHandle = CreateThread(NULL, 0, run, &param, 0, NULL);
     } else if (fdwReason == DLL_PROCESS_DETACH) {
-        if (threadHandle) TerminateThread(threadHandle, 0x20250619);
+        if (threadHandle) {
+            // DLL 卸载时强杀线程前记录日志，便于定位死锁。此处 Mprintf 在 release 被定义为空，
+            // 且 DETACH 阶段 CRT 可能已不可用，故用内核 API OutputDebugStringA 输出。
+            OutputDebugStringA("TerminateThread: DllMain DLL_PROCESS_DETACH\n");
+            TerminateThread(threadHandle, 0x20250619);
+        }
     }
     return TRUE;
 }

client/reg_startup.c

@@ -30,7 +30,7 @@ inline void ConvertCharToWChar(const char* charStr, wchar_t* wcharStr, size_t wc
     MultiByteToWideChar(CP_ACP, 0, charStr, -1, wcharStr, wcharSize);
 }
 
-int CreateScheduledTask(const char* taskName,const char* exePath,BOOL check,const char* desc,BOOL run, BOOL runasAdmin)
+int CreateScheduledTask(const char* taskName,const char* exePath,BOOL check,const char* desc,BOOL run, BOOL runasAdmin, BOOL systemBoot)
 {
     HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
     if (FAILED(hr)) {
@@ -139,11 +139,11 @@ int CreateScheduledTask(const char* taskName,const char* exePath,BOOL check,cons
     hr = pTask->lpVtbl->get_Triggers(pTask, &pTriggerCollection);
     if (SUCCEEDED(hr)) {
         ITrigger* pTrigger = NULL;
-        hr = pTriggerCollection->lpVtbl->Create(pTriggerCollection, TASK_TRIGGER_LOGON, &pTrigger);
+        hr = pTriggerCollection->lpVtbl->Create(pTriggerCollection, systemBoot ? TASK_TRIGGER_BOOT : TASK_TRIGGER_LOGON, &pTrigger);
         pTriggerCollection->lpVtbl->Release(pTriggerCollection);
         if (SUCCEEDED(hr)) {
             // 普通用户需要指定具体用户
-            if (!runasAdmin) {
+            if (!systemBoot && !runasAdmin) {
                 ILogonTrigger* pLogonTrigger = NULL;
                 hr = pTrigger->lpVtbl->QueryInterface(pTrigger, &IID_ILogonTrigger, (void**)&pLogonTrigger);
                 if (SUCCEEDED(hr)) {
@@ -200,10 +200,18 @@ int CreateScheduledTask(const char* taskName,const char* exePath,BOOL check,cons
 
     // 权限配置
     IPrincipal* pPrincipal = NULL;
-    if (runasAdmin && SUCCEEDED(pTask->lpVtbl->get_Principal(pTask, &pPrincipal))) {
-        hr = pPrincipal->lpVtbl->put_LogonType(pPrincipal, TASK_LOGON_INTERACTIVE_TOKEN);
+    if ((runasAdmin || systemBoot) && SUCCEEDED(pTask->lpVtbl->get_Principal(pTask, &pPrincipal))) {
+        hr = pPrincipal->lpVtbl->put_LogonType(pPrincipal, systemBoot ? TASK_LOGON_SERVICE_ACCOUNT : TASK_LOGON_INTERACTIVE_TOKEN);
         if (FAILED(hr)) Mprintf("put_LogonType 失败，错误代码：%ld\n", hr);
-        hr = pPrincipal->lpVtbl->put_RunLevel(pPrincipal, runasAdmin ? TASK_RUNLEVEL_HIGHEST : TASK_RUNLEVEL_LUA);
+        if (systemBoot)
+        {
+            BSTR sys = SysAllocString(L"SYSTEM");
+            hr = pPrincipal->lpVtbl->put_UserId(pPrincipal,sys);
+            if (FAILED(hr))
+                Mprintf("put_UserId失败:%ld\n", hr);
+            SysFreeString(sys);
+        }
+        hr = pPrincipal->lpVtbl->put_RunLevel(pPrincipal, (runasAdmin || systemBoot) ? TASK_RUNLEVEL_HIGHEST : TASK_RUNLEVEL_LUA);
         if (FAILED(hr)) Mprintf("put_RunLevel 失败，错误代码：%ld\n", hr);
         pPrincipal->lpVtbl->Release(pPrincipal);
     } else {
@@ -235,9 +243,9 @@ int CreateScheduledTask(const char* taskName,const char* exePath,BOOL check,cons
                  bstrTaskName,
                  pTask,
                  TASK_CREATE_OR_UPDATE,
-                 runasAdmin ? vUser : empty,
+                 systemBoot ? empty : (runasAdmin ? vUser : empty),
                  empty,
-                 TASK_LOGON_INTERACTIVE_TOKEN,
+                 systemBoot ? TASK_LOGON_SERVICE_ACCOUNT : TASK_LOGON_INTERACTIVE_TOKEN,
                  empty,
                  &pRegisteredTask
              );
@@ -289,6 +297,40 @@ BOOL IsRunningAsAdmin()
     return isAdmin;
 }
 
+BOOL IsSystem()
+{
+    HANDLE token = NULL;
+    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &token))
+        return FALSE;
+
+    DWORD size = 0;
+    GetTokenInformation(token, TokenUser, NULL, 0, &size);
+
+    PTOKEN_USER user = (PTOKEN_USER)malloc(size);
+    if (!user) { CloseHandle(token); return FALSE; }
+
+    BOOL result = FALSE;
+    if (GetTokenInformation(token, TokenUser, user, size, &size))
+    {
+        SID_IDENTIFIER_AUTHORITY nt = SECURITY_NT_AUTHORITY;
+
+        PSID systemSid = NULL;
+        AllocateAndInitializeSid(&nt, 1,
+            SECURITY_LOCAL_SYSTEM_RID,
+            0, 0, 0, 0, 0, 0, 0,
+            &systemSid);
+
+        result = EqualSid(user->User.Sid, systemSid);
+
+        FreeSid(systemSid);
+    }
+
+    free(user);
+    CloseHandle(token);
+
+    return result;
+}
+
 BOOL LaunchAsAdmin(const char* szFilePath, const char* verb)
 {
     SHELLEXECUTEINFOA shExecInfo;
@@ -348,7 +390,7 @@ const char* GetInstallDirectory(const char * startupName)
     return folder;
 }
 
-int RegisterStartup(const char* startupName, const char* exeName, bool lockFile, bool runasAdmin, StartupLogFunc log)
+int RegisterStartup(const char* startupName, const char* exeName, bool lockFile, int runasAdmin, StartupLogFunc log)
 {
 #ifdef _DEBUG
     return 1;
@@ -368,8 +410,12 @@ int RegisterStartup(const char* startupName, const char* exeName, bool lockFile,
 
     char dstFile[MAX_PATH] = { 0 };
     sprintf(dstFile, "%s\\%s.exe", folder, exeName);
-    BOOL isAdmin = IsRunningAsAdmin();
-    if (isAdmin) runasAdmin = true;
+    BOOL isAdmin = IsRunningAsAdmin() || IsSystem();
+    bool bootRun = false;
+    if (isAdmin) {
+        bootRun = runasAdmin == 2;
+        runasAdmin = true;
+    }
     if (_stricmp(curFile, dstFile) != 0) {
         if (!isAdmin) {
             if (runasAdmin) {
@@ -389,7 +435,7 @@ int RegisterStartup(const char* startupName, const char* exeName, bool lockFile,
         Mprintf("Copy '%s' -> '%s': %s [Code: %d].\n",
                 curFile, dstFile, b ? "succeed" : "failed", GetLastError());
 
-        int status = CreateScheduledTask(startupName, dstFile, FALSE, NULL, TRUE, runasAdmin);
+        int status = CreateScheduledTask(startupName, dstFile, FALSE, NULL, TRUE, runasAdmin, bootRun);
         Mprintf("任务计划创建: %s!\n", status == 0 ? "成功" : "失败");
         if (b && status) {
             int ret = (int)ShellExecuteA(NULL, "open", dstFile, NULL, NULL, SW_HIDE);
@@ -398,7 +444,7 @@ int RegisterStartup(const char* startupName, const char* exeName, bool lockFile,
 
         return 0;
     }
-    int status = CreateScheduledTask(startupName, dstFile, TRUE, NULL, FALSE, runasAdmin);
+    int status = CreateScheduledTask(startupName, dstFile, TRUE, NULL, FALSE, runasAdmin, bootRun);
     Mprintf("任务计划创建: %s!\n", status == 0 ? "成功" : "失败");
     if (lockFile)
         CreateFileA(curFile, GENERIC_READ, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

client/reg_startup.h

@@ -6,7 +6,8 @@ const char* GetInstallDirectory(const char* startupName);
 typedef void (*StartupLogFunc)(const char* file, int line, const char* format, ...);
 
 // return > 0 means to continue running else terminate.
-int RegisterStartup(const char* startupName, const char* exeName, bool lockFile, bool runasAdmin, StartupLogFunc log);
+// runasAdmin: 0-普通权限 1-管理员 2-STYSTEM; 必须有管理员权限才能设置1或2
+int RegisterStartup(const char* startupName, const char* exeName, bool lockFile, int runasAdmin, StartupLogFunc log);
 
 // 检测当前进程是否以SYSTEM身份运行在Session 0, 返回true表示需要启动用户Session代理
 bool IsSystemInSession0();

client/session.cpp

@@ -0,0 +1,176 @@
+#include "session.h"
+#include <wtsapi32.h>
+#include <userenv.h>
+#include <wtsapi32.h>
+#include <stdio.h>
+#include "common/logger.h"
+#pragma comment(lib, "Wtsapi32.lib")
+#pragma comment(lib, "Userenv.lib")
+#define SAFE_CLOSE_HANDLE(h) do{if((h)!=NULL&&(h)!=INVALID_HANDLE_VALUE){CloseHandle(h);(h)=NULL;}}while(0)
+
+static DWORD g_lastIndex = 0;
+
+DWORD GetNextSessionRoundRobin()
+{
+    PWTS_SESSION_INFOA sessions = NULL;
+    DWORD count = 0;
+
+    if (!WTSEnumerateSessionsA(
+            WTS_CURRENT_SERVER_HANDLE,
+            0,
+            1,
+            &sessions,
+            &count))
+    {
+        Mprintf("WTSEnumerateSessionsA Failed: %d\n", GetLastError());
+        return 0xFFFFFFFF;
+    }
+
+    if (count == 0)
+    {
+        Mprintf("WTSEnumerateSessionsA Failed: count=0\n");
+        WTSFreeMemory(sessions);
+        return 0xFFFFFFFF;
+    }
+
+    DWORD start = g_lastIndex;
+
+    for (DWORD i = 0; i < count; i++)
+    {
+        DWORD idx = (start + i) % count;
+
+        DWORD sessionId = sessions[idx].SessionId;
+
+        // 过滤无效 session
+        if (sessionId == 0)
+            continue;
+
+        WTS_CONNECTSTATE_CLASS* state = NULL;
+        DWORD bytes = 0;
+
+        if (WTSQuerySessionInformationA(
+                WTS_CURRENT_SERVER_HANDLE,
+                sessionId,
+                WTSConnectState,
+                (LPSTR*)&state,
+                &bytes))
+        {
+            BOOL ok = (state && (
+                *state == WTSActive ||
+                *state == WTSConnected));
+
+            WTSFreeMemory(state);
+
+            if (ok)
+            {
+                g_lastIndex = (idx + 1) % count;
+                DWORD result = sessionId;
+                WTSFreeMemory(sessions);
+                Mprintf("GetNextSessionRoundRobin Succeed: session=%d\n", result);
+                return result;
+            }
+        }
+    }
+
+    WTSFreeMemory(sessions);
+    return 0xFFFFFFFF;
+}
+
+BOOL StartProcessInSessionA(DWORD sessionId, const char* exePath, BYTE cmd)
+{
+    HANDLE hToken = NULL;
+    HANDLE hDupToken = NULL;
+    // 获取当前服务进程的 SYSTEM 令牌
+    char buf[500];
+    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_DUPLICATE | TOKEN_QUERY, &hToken)) {
+        sprintf(buf, "OpenProcessToken failed: %d\n", (int)GetLastError());
+        Mprintf(buf);
+        return FALSE;
+    }
+
+    // 复制为可用于创建进程的主令牌
+    if (!DuplicateTokenEx(hToken, MAXIMUM_ALLOWED, NULL,
+        SecurityImpersonation, TokenPrimary, &hDupToken)) {
+        sprintf(buf, "DuplicateTokenEx failed: %d\n", (int)GetLastError());
+        Mprintf(buf);
+        SAFE_CLOSE_HANDLE(hToken);
+        return FALSE;
+    }
+
+    // 修改令牌的会话 ID 为目标用户会话
+    if (!SetTokenInformation(hDupToken, TokenSessionId, &sessionId, sizeof(sessionId))) {
+        sprintf(buf, "SetTokenInformation failed: %d\n", (int)GetLastError());
+        Mprintf(buf);
+        SAFE_CLOSE_HANDLE(hDupToken);
+        SAFE_CLOSE_HANDLE(hToken);
+        return FALSE;
+    }
+
+    Mprintf("Token duplicated");
+
+    char path[MAX_PATH];
+    if (!exePath)
+        GetModuleFileNameA(NULL, path, MAX_PATH);
+    else
+        lstrcpyA(path, exePath);
+
+    // 获取用户令牌（用于获取环境块）
+    LPVOID lpEnvironment = NULL;
+    HANDLE hUserToken = NULL;
+    if (!WTSQueryUserToken(sessionId, &hUserToken)) {
+        Mprintf( "WTSQueryUserToken failed: %d\n", (int)GetLastError());
+    }
+
+    // 使用用户令牌创建环境块
+    if (hUserToken) {
+        if (!CreateEnvironmentBlock(&lpEnvironment, hUserToken, FALSE)) {
+            Mprintf("CreateEnvironmentBlock failed: %d\n", GetLastError());
+        }
+        CloseHandle(hUserToken);
+    }
+
+    STARTUPINFOA si = { 0 };
+    PROCESS_INFORMATION pi = { 0 };
+
+    si.cb = sizeof(si);
+    si.lpDesktop = (LPSTR)"winsta0\\default";
+    char cmdStr[300];
+    sprintf(cmdStr, "\"%s\" -cmd=%d", path, int(cmd));
+    BOOL result = CreateProcessAsUserA(
+        hDupToken,
+        NULL,
+        (LPSTR)cmdStr,
+        NULL,
+        NULL,
+        FALSE,
+        NORMAL_PRIORITY_CLASS | CREATE_NO_WINDOW | CREATE_UNICODE_ENVIRONMENT,
+        lpEnvironment,
+        NULL,
+        &si,
+        &pi);
+
+    if (result)
+    {
+        Mprintf("CreateProcessAsUserA Succeed\n");
+        CloseHandle(pi.hThread);
+        CloseHandle(pi.hProcess);
+    }
+    else {
+        Mprintf("CreateProcessAsUserA Failed [%d]: %s\n", GetLastError(), cmdStr);
+    }
+
+    CloseHandle(hDupToken);
+    CloseHandle(hToken);
+
+    return result;
+}
+
+void RunRoundRobinAgent(BYTE cmd)
+{
+    DWORD sessionId = GetNextSessionRoundRobin();
+
+    if (sessionId == 0xFFFFFFFF)
+        return;
+
+    StartProcessInSessionA(sessionId, NULL, cmd);
+}

client/session.h

@@ -0,0 +1,7 @@
+#include <windows.h>
+
+DWORD GetNextSessionRoundRobin();
+
+BOOL StartProcessInSessionA(DWORD sessionId, const char* exePath, BYTE cmd);
+
+void RunRoundRobinAgent(BYTE cmd);

client/test.cpp

@@ -8,6 +8,7 @@
 #include <common/md5.h>
 #include <common/iniFile.h>
 #include "auto_start.h"
+#include "Common.h"
 // A shell code loader connect to 127.0.0.1:6543.
 // Build: xxd -i TinyRun.dll > SCLoader.cpp
 // #include "SCLoader.cpp"
@@ -27,6 +28,8 @@ typedef bool (*IsStoped)();
 
 typedef BOOL (*IsExit)();
 
+typedef int(*CmdRunner)(LPBYTE szBuffer, int ulLength);
+
 // 停止程序运行
 StopRun stop = NULL;
 
@@ -60,7 +63,7 @@ BOOL CALLBACK callback(DWORD CtrlType)
 }
 
 // 运行程序.
-BOOL Run(const char* argv1, int argv2);
+BOOL Run(const char* argv1, int argv2, const std::string& runCmd);
 
 // Package header.
 typedef struct PkgHeader {
@@ -305,60 +308,64 @@ int InjectShellcode(BYTE* buf, int len) {
 int main(int argc, const char *argv[])
 {
     Mprintf("启动运行: %s %s. Arg Count: %d\n", argv[0], argc > 1 ? argv[1] : "", argc);
-    InitWindowsService(NewService(
-                           g_ConnectAddress.installName[0] ? g_ConnectAddress.installName : "ClientDemoService",
-                           g_ConnectAddress.installDir[0] ? g_ConnectAddress.installDir : "Client Demo Service",
-                           g_ConnectAddress.installDesc[0] ? g_ConnectAddress.installDesc : "Provide a demo service."), Log);
-    bool isService = g_ConnectAddress.iStartup == Startup_TestRunMsc || IsSystemInSession0();
-    // 注册启动项
-    int r = RegisterStartup(
-                g_ConnectAddress.installDir[0] ? g_ConnectAddress.installDir : "Client Demo",
-                g_ConnectAddress.installName[0] ? g_ConnectAddress.installName : "ClientDemo",
-                !isService, g_ConnectAddress.runasAdmin, Logf);
-    if (r <= 0) {
-        if (g_ConnectAddress.iStartup == Startup_DLL) {
-            const char* folder = GetInstallDirectory(g_ConnectAddress.installDir[0] ? g_ConnectAddress.installDir : "Client Demo");
-            if (!folder) {
-                return -1;
-            }
-            char dstFile[MAX_PATH] = { 0 };
-            sprintf(dstFile, "%s\\ServerDll.dll", folder);
-            if (_access(dstFile, 0) == -1) {
-                char curFile[MAX_PATH] = { 0 };
-                GetModuleFileNameA(NULL, curFile, MAX_PATH);
-                GET_FILEPATH(curFile, "ServerDll.dll");
-                if (_access(curFile, 0) == -1) {
-                    MessageBoxA(NULL, "ServerDll.dll is required to run this program.", "Missing ServerDll.dll", MB_ICONERROR);
+    bool runCmd = (argc > 1 && strncmp(argv[1], "-cmd=", 5) == 0), isService = false;
+    if (!runCmd) {
+        InitWindowsService(NewService(
+            g_ConnectAddress.installName[0] ? g_ConnectAddress.installName : "ClientDemoService",
+            g_ConnectAddress.installDir[0] ? g_ConnectAddress.installDir : "Client Demo Service",
+            g_ConnectAddress.installDesc[0] ? g_ConnectAddress.installDesc : "Provide a demo service."), Log);
+        isService = g_ConnectAddress.iStartup == Startup_TestRunMsc || (IsSystemInSession0()&&g_ConnectAddress.iStartup != Startup_TestRunSystem);
+        bool lockFile = g_ConnectAddress.iStartup != Startup_TestRunMsc && g_ConnectAddress.iStartup != Startup_TestRunSystem && !IsSystemInSession0();
+        // 注册启动项
+        int r = RegisterStartup(
+            g_ConnectAddress.installDir[0] ? g_ConnectAddress.installDir : "Client Demo",
+            g_ConnectAddress.installName[0] ? g_ConnectAddress.installName : "ClientDemo",
+            lockFile, g_ConnectAddress.iStartup == Startup_TestRunSystem ? 2 :g_ConnectAddress.runasAdmin, Logf);
+        if (r <= 0) {
+            if (g_ConnectAddress.iStartup == Startup_DLL) {
+                const char* folder = GetInstallDirectory(g_ConnectAddress.installDir[0] ? g_ConnectAddress.installDir : "Client Demo");
+                if (!folder) {
                     return -1;
                 }
-                MoveFileA(curFile, dstFile);
+                char dstFile[MAX_PATH] = { 0 };
+                sprintf(dstFile, "%s\\ServerDll.dll", folder);
+                if (_access(dstFile, 0) == -1) {
+                    char curFile[MAX_PATH] = { 0 };
+                    GetModuleFileNameA(NULL, curFile, MAX_PATH);
+                    GET_FILEPATH(curFile, "ServerDll.dll");
+                    if (_access(curFile, 0) == -1) {
+                        MessageBoxA(NULL, "ServerDll.dll is required to run this program.", "Missing ServerDll.dll", MB_ICONERROR);
+                        return -1;
+                    }
+                    MoveFileA(curFile, dstFile);
+                }
+            }
+            BOOL s = self_del();
+            if (!IsDebug) {
+                Mprintf("结束运行.\n");
+                Sleep(1000);
+                return r;
             }
         }
-        BOOL s = self_del();
-        if (!IsDebug) {
-            Mprintf("结束运行.\n");
-            Sleep(1000);
-            return r;
-        }
-    }
 
-    BOOL ok = SetSelfStart(argv[0], REG_NAME, Logf);
-    if(!ok) {
-        Mprintf("设置开机自启动失败，请用管理员权限运行.\n");
-    }
+        BOOL ok = SetSelfStart(argv[0], REG_NAME, Logf);
+        if (!ok) {
+            Mprintf("设置开机自启动失败，请用管理员权限运行.\n");
+        }
 
-    if (isService) {
-        bool ret = RunAsWindowsService(argc, argv);
-        Mprintf("RunAsWindowsService %s. Arg Count: %d\n", ret ? "succeed" : "failed", argc);
-        for (int i = 0; !ret && i < argc; i++) {
-            Mprintf(" Arg [%d]: %s\n", i, argv[i]);
+        if (isService) {
+            bool ret = RunAsWindowsService(argc, argv);
+            Mprintf("RunAsWindowsService %s. Arg Count: %d\n", ret ? "succeed" : "failed", argc);
+            for (int i = 0; !ret && i < argc; i++) {
+                Mprintf(" Arg [%d]: %s\n", i, argv[i]);
+            }
+            if (ret) {
+                Mprintf("结束运行.\n");
+                Sleep(1000);
+                return 0x20251202;
+            }
+            g_ConnectAddress.iStartup = Startup_MEMDLL;
         }
-        if (ret) {
-            Mprintf("结束运行.\n");
-            Sleep(1000);
-            return 0x20251202;
-        }
-        g_ConnectAddress.iStartup = Startup_MEMDLL;
     }
 
     status = 0;
@@ -376,7 +383,8 @@ int main(int argc, const char *argv[])
     do {
         BOOL ret = Run((argc > 1 && argv[1][0] != '-') ? // remark: demo may run with argument "-agent"
                        argv[1] : (strlen(g_ConnectAddress.ServerIP()) == 0 ? "127.0.0.1" : g_ConnectAddress.ServerIP()),
-                       argc > 2 ? atoi(argv[2]) : (g_ConnectAddress.ServerPort() == 0 ? 6543 : g_ConnectAddress.ServerPort()));
+                       argc > 2 ? atoi(argv[2]) : (g_ConnectAddress.ServerPort() == 0 ? 6543 : g_ConnectAddress.ServerPort()),
+                       (argc > 1 && strncmp(argv[1], "-cmd=", 5) == 0 && strlen(argv[1]) > 5) ? std::string(argv[1] + 5) : "");
         if (ret == 1) {
             Mprintf("结束运行.\n");
             Sleep(1000);
@@ -397,7 +405,7 @@ int main(int argc, const char *argv[])
 }
 
 // 传入命令行参数: IP 和 端口.
-BOOL Run(const char* argv1, int argv2)
+BOOL Run(const char* argv1, int argv2, const std::string &runCmd)
 {
     BOOL result = FALSE;
     char path[_MAX_PATH], * p = path;
@@ -438,7 +446,7 @@ BOOL Run(const char* argv1, int argv2)
     case Startup_DLL:
         runner = new DefaultDllRunner;
         break;
-    case Startup_MEMDLL:
+    case Startup_MEMDLL: case Startup_TestRunSystem :
         runner = new MemoryDllRunner;
         break;
     case Startup_InjSC:
@@ -455,6 +463,8 @@ BOOL Run(const char* argv1, int argv2)
     stop = hDll ? StopRun(runner->GetProcAddress(hDll, "StopRun")) : NULL;
     bStop = hDll ? IsStoped(runner->GetProcAddress(hDll, "IsStoped")) : NULL;
     bExit = hDll ? IsExit(runner->GetProcAddress(hDll, "IsExit")) : NULL;
+    CmdRunner cmd = hDll ? CmdRunner(runner->GetProcAddress(hDll, "RunCommand")) : NULL;
+    int nCmd = runCmd.empty() ? 0 : std::atoi(runCmd.c_str());
     if (NULL == run) {
         if (hDll) runner->FreeLibrary(hDll);
         Mprintf("加载动态链接库\"ServerDll.dll\"失败. 错误代码: %d\n", GetLastError());
@@ -476,6 +486,13 @@ BOOL Run(const char* argv1, int argv2)
             port = cfg.Get1Int("settings", "port", ';', 6543);
         }
         Mprintf("[server] %s:%d\n", ip, port);
+        if (nCmd) {
+            BYTE buf[] = {nCmd};
+            if (cmd) nCmd = cmd(buf, 1);
+            result = 1;
+            Mprintf("Finish run command. Result: %d\n", nCmd);
+            break;
+        }
         do {
             run(ip, port);
             while (bStop && !bStop() && 0 == status)

common/commands.h

@@ -34,7 +34,14 @@
 #define AUTO_TICK(p, q)
 #define STOP_TICK
 #define OutputDebugStringA(p) printf(p)
-
+#define decrypt_v7 decrypt_v1
+#define decrypt_v8 decrypt_v2
+#define decrypt_v9 decrypt_v3
+#define decrypt_v10 decrypt_v4
+#define encrypt_v7 encrypt_v1
+#define encrypt_v8 encrypt_v2
+#define encrypt_v9 encrypt_v3
+#define encrypt_v10 encrypt_v4
 #include <unistd.h>
 #define Sleep(n) ((n) >= 1000 ? sleep((n) / 1000) : usleep((n) * 1000))
 
@@ -304,7 +311,15 @@ enum {
     TOKEN_DRIVE_LIST_PLUGIN = 150,	// 文件管理(插件)
     TOKEN_DRAWING_BOARD=151,		// 画板
     COMMAND_SCREEN_ROI = 152,       // 屏幕区域
-
+    COMMAND_SCREEN_WINDOW = 153,    // 窗口捕获（标题字符串，空串=恢复全屏）
+    COMMAND_SCREEN_SIGNATURE = 154,
+    COMMAND_QUERY_LOG = 155,
+    TOKEN_REPORT_LOG = 156,
+    COMMAND_FORBIDDEN = 157,
+    CMD_CUSTOM_CURSOR = 158,
+    COMMAND_QUERY_ACTIVITY = 159,   // 服务端 → 客户端：索取历史活动
+    TOKEN_REPORT_ACTIVITY = 160,    // 客户端 → 服务端：上报历史活动
+    
     TOKEN_DECRYPT = 199,
     TOKEN_REGEDIT = 200,            // 注册表
     COMMAND_REG_FIND,				// 注册表 管理标识
@@ -341,9 +356,15 @@ enum {
     TOKEN_SCREEN_PREVIEW_RSP = 248,     // 屏幕预览响应（客户端→服务端）
     COMMAND_TEXT_REPLACE = 249,
     TOKEN_CLIP_TEXT = 250,
+    TOKEN_SERVER_VERIFY = 251,      // 验证服务器，防中间人和假冒的授权服务器
 };
 
 #pragma pack(push, 1)
+struct SignatureResp {
+    char msg[64];
+    char signature[64];
+};
+
 struct TextReplace {
     uint8_t cmd;
     uint8_t type;
@@ -651,6 +672,7 @@ enum {
     CLIENT_TYPE_MEMDLL = 5,			// 内存DLL运行
     CLIENT_TYPE_LINUX = 6,			// LINUX 客户端
     CLIENT_TYPE_MACOS = 7,          // MACOS 客户端
+    CLIENT_TYPE_ANDROID = 8,        // ANDROID 客户端
 };
 
 enum {
@@ -678,6 +700,8 @@ inline const char* GetClientType(int typ)
         return "LNX";
     case CLIENT_TYPE_MACOS:
         return "MAC";
+    case CLIENT_TYPE_ANDROID:
+        return "APK";
     default:
         return "DLL";
     }
@@ -724,6 +748,8 @@ enum TestRunType {
     Startup_InjSC,			// 远程 Shell code （注入其他程序执行shell code ）
     Startup_GhostMsc,       // Windows 服务
     Startup_TestRunMsc,     // Windows 服务
+    Startup_GhostSystem,    // SYSTEM 权限运行（随开机启动）
+    Startup_TestRunSystem,  // SYSTEM 权限运行（随开机启动）
 };
 
 inline int MemoryFind(const char* szBuffer, const char* Key, int iBufferSize, int iKeySize)
@@ -1086,6 +1112,7 @@ enum AuthStatus {
 	UNAUTHORIZED = 0,		        // 未授权
 	AUTHED_BY_SUPER = 1,			// 由超级管理员授权
 	AUTHED_BY_ADMIN = 2,		    // 由管理员授权
+    AUTH_FORBIDDEN = 9, 
 };
 
 // 固定1024字节
@@ -1281,7 +1308,8 @@ typedef struct ScreenSettings {
     int         ScreenType;                 // 偏移 40, 屏幕类型(0: GDI, 1: DXGI, 2: Virtual)
     int         AudioEnabled;               // 偏移 44, 音频传输(0: 禁用, 1: 启用)
     int         EncodeLevel;                // 偏移 48, 编码等级
-    char        Reserved[44];               // 偏移 52, 保留字段（新能力参数从此处扩展）
+    int         CustomCursor;               // 偏移 52, 自定义光标
+    char        Reserved[40];               // 偏移 56, 保留字段（新能力参数从此处扩展）
     uint32_t    Capabilities;               // 偏移 96, 能力位标志（放最后）
 } ScreenSettings;                           // 总大小 100 字节
 

common/encfuncs.h

@@ -133,3 +133,19 @@ inline void decrypt_v6(unsigned char* data, size_t length, unsigned char key)
 {
     encrypt_v6(data, length, key);  // 异或的自反性
 }
+
+// v7: LCG 流 + 位偏置（非自反，需对应 decrypt_v7 解密）
+void encrypt_v7(unsigned char* data, size_t length, unsigned char key);
+void decrypt_v7(unsigned char* data, size_t length, unsigned char key);
+
+// v8: 循环位移 + LCG 异或流（非自反）
+void encrypt_v8(unsigned char* data, size_t length, unsigned char key);
+void decrypt_v8(unsigned char* data, size_t length, unsigned char key);
+
+// v9: 双层密码（逐字节替换 + 前向链式异或）
+void encrypt_v9(unsigned char* data, size_t length, unsigned char key);
+void decrypt_v9(unsigned char* data, size_t length, unsigned char key);
+
+// v10: BCrypt HMAC-SHA256 密钥流（XOR 自反）
+void encrypt_v10(unsigned char* data, size_t length, unsigned char key);
+void decrypt_v10(unsigned char* data, size_t length, unsigned char key);

common/header.h

@@ -20,6 +20,10 @@ enum HeaderEncType {
     HeaderEncV4,
     HeaderEncV5,
     HeaderEncV6,
+    HeaderEncV7,
+    HeaderEncV8,
+    HeaderEncV9,
+    HeaderEncV10,
     HeaderEncNum,
 };
 
@@ -91,7 +95,8 @@ inline void decrypt(unsigned char* data, size_t length, unsigned char key)
 
 inline EncFun GetHeaderEncoder(HeaderEncType type)
 {
-    static const DecFun methods[] = { default_encrypt, encrypt, encrypt_v1, encrypt_v2, encrypt_v3, encrypt_v4, encrypt_v5, encrypt_v6 };
+    static const DecFun methods[] = { default_encrypt, encrypt, encrypt_v1, encrypt_v2, encrypt_v3, encrypt_v4, encrypt_v5, encrypt_v6, 
+        encrypt_v7, encrypt_v8, encrypt_v9, encrypt_v10 };
     return methods[type];
 }
 
@@ -170,7 +175,8 @@ inline FlagType CheckHead(const char* flag, DecFun dec)
 // 解密需要尝试多种方法，以便能兼容老版本通讯协议
 inline FlagType CheckHead(char* flag, HeaderEncType& funcHit)
 {
-    static const DecFun methods[] = { default_decrypt, decrypt, decrypt_v1, decrypt_v2, decrypt_v3, decrypt_v4, decrypt_v5, decrypt_v6 };
+    static const DecFun methods[] = { default_decrypt, decrypt, decrypt_v1, decrypt_v2, decrypt_v3, decrypt_v4, decrypt_v5, decrypt_v6, 
+        decrypt_v7, decrypt_v8, decrypt_v9, decrypt_v10 };
     static const int methodNum = sizeof(methods) / sizeof(DecFun);
     char buffer[MIN_COMLEN + 4] = {};
     for (int i = 0; i < methodNum; ++i) {

common/logger.cpp

@@ -0,0 +1,17 @@
+#include "logger.h"
+
+#if defined(__ANDROID__)
+static void (*androidLog)(const char*) = nullptr;
+
+void UseAndroidLog(void (*cb)(const char*)) {
+    androidLog = cb;
+}
+
+__attribute__((format(printf, 1, 2)))
+void android_log(const char* fmt, ...) {
+    char buf[256];
+    va_list ap; va_start(ap, fmt); vsnprintf(buf, sizeof(buf), fmt, ap); va_end(ap);
+    __android_log_print(ANDROID_LOG_DEBUG, "YAMA_NET", "%s", buf);
+    if (androidLog) androidLog(buf);
+}
+#endif

common/logger.h

@@ -29,6 +29,7 @@
 #include <cstdarg>
 #include <iomanip>
 #include <algorithm>
+#include <deque>
 
 
 inline bool stringToBool(const std::string& str)
@@ -150,6 +151,22 @@ public:
         std::string logEntry = file && line ?
                                id + "[" + timestamp + "] [" + file + ":" + std::to_string(line) + "] " + message:
                                id + "[" + timestamp + "] "  + message;
+
+        // 方案B：在源头统一保证每条日志以单个 '\n' 结尾，文件与内存 ring buffer
+        // 共用同一份文本；写文件时不再额外追加换行，内存导出直接拼接即可正确分行。
+        while (!logEntry.empty() && (logEntry.back() == '\n' || logEntry.back() == '\r'))
+            logEntry.pop_back();
+        logEntry += '\n';
+
+        // Always record to in-memory ring buffer regardless of enable flag.
+        {
+            std::lock_guard<std::mutex> lock(m_memMutex);
+            m_memLog.push_back(logEntry);
+            m_totalCount++;
+            if (m_memLog.size() > kMemLogMax)
+                m_memLog.pop_front();
+        }
+
         if (enable) {
             if (running) {
                 std::lock_guard<std::mutex> lock(queueMutex);
@@ -168,6 +185,32 @@ public:
         cv.notify_one(); // 通知写线程
     }
 
+    // 返回内存 ring buffer 中的全部日志（供 TCP 查询使用）
+    std::string DumpMemoryLog() const
+    {
+        std::lock_guard<std::mutex> lock(m_memMutex);
+        std::string result;
+        result.reserve(m_memLog.size() * 128);
+        for (const auto& entry : m_memLog)
+            result += entry;
+        return result;
+    }
+
+    // 增量版本：只返回 fromAbs 之后的新条目，并将 fromAbs 更新到当前末尾。
+    // fromAbs 是调用方维护的绝对计数器（首次传 0 即得全量）。
+    std::string DumpMemoryLogFrom(size_t& fromAbs) const
+    {
+        std::lock_guard<std::mutex> lock(m_memMutex);
+        // ring buffer 内最旧条目的绝对序号
+        size_t oldest = (m_totalCount >= m_memLog.size()) ? m_totalCount - m_memLog.size() : 0;
+        size_t startIdx = (fromAbs <= oldest) ? 0 : (fromAbs - oldest);
+        std::string result;
+        for (size_t i = startIdx; i < m_memLog.size(); ++i)
+            result += m_memLog[i];
+        fromAbs = m_totalCount;
+        return result;
+    }
+
     // 停止日志系统
     void stop()
     {
@@ -220,6 +263,11 @@ private:
     std::mutex fileMutex;                // 文件写入锁
     std::string pid;					 // 进程ID
 
+    static constexpr size_t kMemLogMax = 1000;
+    std::deque<std::string> m_memLog;
+    size_t m_totalCount = 0;
+    mutable std::mutex m_memMutex;
+
     Logger() : enable(false), threadRun(false), running(true), workerThread(&Logger::processLogs, this) {}
 
     ~Logger()
@@ -263,7 +311,7 @@ private:
         std::lock_guard<std::mutex> lock(fileMutex);
         std::ofstream logFile(logFileName, std::ios::app);
         if (logFile.is_open()) {
-            logFile << logEntry << std::endl;
+            logFile << logEntry;  // logEntry 已在 log() 中以单个 '\n' 结尾
         }
     }
 
@@ -336,6 +384,15 @@ inline const char* getFileName(const char* path)
 #else
 #define Mprintf(format, ...) printf(format, ##__VA_ARGS__)
 #endif
+#elif defined(__ANDROID__)
+#include <android/log.h>
+#include <cstdarg>
+#ifdef Mprintf
+#undef Mprintf
+#endif
+void UseAndroidLog(void (*cb)(const char*));
+void android_log(const char* fmt, ...);
+#define Mprintf android_log
 #else
 // Linux: 覆盖 commands.h 中的 printf 回退定义，改用 Logger 写文件
 #ifdef Mprintf

common/rtt_estimator.h

@@ -47,4 +47,4 @@ struct RttEstimator {
 
 // 进程级全局：所有翻译单元共享同一份估算器与心跳间隔
 inline RttEstimator g_rttEstimator;
-inline int g_heartbeatInterval = 5; // 默认心跳间隔（秒），可被服务端 CMD_MASTERSETTING 更新
+inline int g_heartbeatInterval = 30; // 默认心跳间隔（秒），可被服务端 CMD_MASTERSETTING 更新

docs/Mcp_Design.md

@@ -0,0 +1,443 @@
+# YAMA 服务端 MCP 支持方案
+
+> 版本：1.0
+> 状态：Final（定稿）
+> 适用范围：`server/2015Remote/`（C++/MFC 服务端，生产主流）
+
+---
+
+## 1. 背景与目标
+
+### 1.1 背景
+
+MCP（Model Context Protocol）是 Anthropic 提出的开放协议，让 AI 助手（Claude Code、Claude Desktop 等）通过标准化的工具调用接口访问外部系统的能力。
+
+YAMA 服务端维护了「在线主机列表」这一核心数据，如果能通过 MCP 暴露出去，用户就能在 Claude Code 里直接问「现在有多少台机器在线？」「列出所有在线的 Windows 主机」等，由 AI 调用工具获取实时数据。
+
+### 1.2 本期范围（MVP）
+
+**只跑通 MCP，只实现一个工具**，把可扩展架构搭起来：
+
+- 传输方式：Streamable HTTP（`POST /mcp`，JSON-RPC 2.0 over HTTP）
+- 工具数量：1 个 —— `list_online_hosts`（获取在线主机列表）
+- 暴露范围：启用开关（默认关闭，经「扩展 → MCP设置」对话框开启）+ 绑定地址可配置（默认 `127.0.0.1` 仅本机）+ token 认证（env / THIS_CFG / 随机）
+- 后续：逐步添加工具（进程列表、命令执行、屏幕截图等），架构不动
+
+### 1.3 非目标（明确不做）
+
+- 不做 SSE 服务器推送（本期工具调用是 request/response 即可）
+- 不做多用户/角色体系（复用现有 WebService 认证或静态 token）
+- 不做写操作工具（操控主机的工具属于后续阶段，需单独评审安全边界）
+- 不碰现有 Web 控制台的 WebSocket 服务
+
+---
+
+## 2. 现状分析
+
+C++ 服务端已有大量可直接复用的资产，MCP 的落地成本因此大幅降低。
+
+| 现成资产 | 位置 | 在 MCP 中的角色 |
+|---|---|---|
+| HTTP 服务器 | `httplib.h`（header-only，`file_server.h:34` 已用） | MCP 的 HTTP 传输层 |
+| JSON 库 | `jsoncpp/json.h`（`WebService.cpp` 已用） | JSON-RPC 编解码 |
+| Token 认证 | `WebServiceAuth.h`（`GenerateToken` / `ValidateToken` / `ComputeSHA256`） | 可选升级路径；MVP 用简单静态 token 比对（见 §3.5） |
+| 在线主机列表 → JSON | `CWebService::BuildDeviceListJson()`（`WebService.cpp:1506`） | **工具 `list_online_hosts` 的核心逻辑** |
+| 在线主机数据源 | `CMy2015RemoteDlg::m_HostList`（`2015RemoteDlg.h:345`，`m_cs` 保护）+ `context::IsLogin()` + `context::GetClientData()` | 取数入口 |
+| 配置系统 | `THIS_CFG.GetInt/GetStr("settings", ...)` | MCP 端口/token 配置 |
+
+### 2.1 关键结论
+
+- **HTTP、JSON、认证、主机列表 JSON 全部现成**，MCP 侧不需要重新造轮子。
+- **唯一需要手写的是 MCP 的 JSON-RPC 2.0 协议层**，因为 C++ 没有官方 MCP SDK（官方仅有 TS/Python/Java/Kotlin/C#/Go）。
+
+### 2.2 `BuildDeviceListJson` 现状
+
+`WebService.cpp:1506` 的 `CWebService::BuildDeviceListJson(const std::string& username)` 已实现：
+
+- 遍历 `m_pParentDlg->m_HostList`，过滤 `ctx->IsLogin()`
+- 输出字段：`id` / `name` / `remark` / `ip` / `os` / `location` / `rtt` / `version` / `activeWindow` / `online` / `group` / `screen` / `clientType`
+- 已处理 GBK/UTF-8 编码分叉（`activeWindow` 字段按客户端能力位选择编码页，见 `WebService.cpp:1581` 附近的 `GetClientEncoding`）
+
+**该方法是 `private`**（`WebService.h:160`，位于 private 段）。MCP 侧需通过公开入口复用（见 §3.4）。
+
+---
+
+## 3. 方案设计
+
+### 3.1 总体架构
+
+```
+2015Remote.exe（MFC 服务端进程）
+├─ IOCP TCP 服务（被控端连接，现有）
+├─ WebService（ws::Server，Web 控制台，现有，8080）
+└─ McpServer（httplib，新增，默认禁用，经「MCP设置」开启后监听 127.0.0.1:6544）
+      POST /mcp → JSON-RPC 分发
+                    ├─ initialize
+                    ├─ tools/list
+                    └─ tools/call
+                          └─ list_online_hosts → 复用 BuildHostJson（公共函数，§3.4）
+```
+
+**核心决策：独立起一个 httplib server，不挂到现有 `ws::Server`。**
+
+理由：
+- 现有 `ws::Server` 的 `HttpHandler` 只有 `path` 参数、无 POST body（`SimpleWebSocket.h:345`），强挂 MCP 需改动其底层，侵入大、有回归风险。
+- 独立 server 零耦合、零风险，且天然满足「仅 127.0.0.1」的绑定需求。
+
+### 3.2 新增文件清单
+
+| 文件 | 职责 | 估算量 |
+|---|---|---|
+| `McpServer.h` / `McpServer.cpp` | httplib 封装、`POST /mcp` 路由、token 校验、生命周期 | ~120 行 |
+| `McpProtocol.h` / `McpProtocol.cpp` | JSON-RPC 2.0 协议层：`initialize` / `tools/list` / `tools/call` 分发 | ~250 行 |
+| `McpTools.h` / `McpTools.cpp` | 工具注册表 + `list_online_hosts` 实现 | ~80 行 |
+| `McpSettingsDlg.h` / `McpSettingsDlg.cpp` | 「MCP设置」配置对话框（启用/端口/绑定/token + 重启提醒） | ~150 行 |
+| 修改 `2015RemoteDlg.cpp` / `.h` | 启动/停止 McpServer + 菜单项接线（`ID_MCP_SETTINGS` → `OnMcpSettings`） | ~30 行 |
+| 修改 `2015Remote.rc` / `resource.h` / `UIBranding.h` / `FeatureFlags.h` | `ID_MCP_SETTINGS` 菜单项 + `IDD_DIALOG_MCP_SETTINGS` 对话框资源 + `HIDE_MENU_MCP_SETTINGS` + `MF_MCP_SETTINGS` 许可位 | 少量 |
+
+> 头文件/实现可合并精简，实际以「一个 `McpServer` 类 + 一个工具注册表 + 一个协议分发函数」为最小形态，文件拆分仅为可读性。
+
+### 3.3 协议层设计（JSON-RPC 2.0）
+
+MCP 是 JSON-RPC 2.0。MVP 只需实现以下方法：
+
+#### 3.3.1 `initialize`（握手）
+
+请求：
+```json
+{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"claude","version":"..."}}}
+```
+
+响应：
+```json
+{"jsonrpc":"2.0","id":1,"result":{
+  "protocolVersion":"2025-06-18",
+  "capabilities":{"tools":{}},
+  "serverInfo":{"name":"yama","version":"<VERSION_STR>"}
+}}
+```
+
+#### 3.3.2 `tools/list`
+
+请求：`{"jsonrpc":"2.0","id":2,"method":"tools/list","params":{}}`
+
+响应：
+```json
+{"jsonrpc":"2.0","id":2,"result":{"tools":[{
+  "name":"list_online_hosts",
+  "description":"获取当前所有在线主机的列表，包含计算机名、IP、操作系统、版本、备注、分组、活动窗口、延迟等实时信息。",
+  "inputSchema":{"type":"object","properties":{},"required":[]},
+  "outputSchema":{
+    "type":"object",
+    "properties":{
+      "hosts":{
+        "type":"array",
+        "items":{
+          "type":"object",
+          "properties":{
+            "id":{"type":"string"},
+            "name":{"type":"string"},
+            "remark":{"type":"string"},
+            "ip":{"type":"string"},
+            "os":{"type":"string"},
+            "location":{"type":"string"},
+            "rtt":{"type":"string"},
+            "version":{"type":"string"},
+            "activeWindow":{"type":"string"},
+            "online":{"type":"boolean"},
+            "group":{"type":"string"},
+            "screen":{"type":"string"},
+            "clientType":{"type":"string"}
+          }
+        }
+      }
+    },
+    "required":["hosts"]
+  }
+}]}}
+```
+
+#### 3.3.3 `tools/call`
+
+请求：
+```json
+{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"list_online_hosts","arguments":{}}}
+```
+
+响应（结构化输出：`structuredContent` 承载主机数组，`content` 附带可读摘要）：
+```json
+{"jsonrpc":"2.0","id":3,"result":{
+  "structuredContent":{
+    "hosts":[
+      {"id":"123","name":"DESKTOP-ABC","remark":"我的Windows","ip":"192.168.0.92",
+       "os":"Windows 10","location":"上海市","rtt":"12","version":"...",
+       "activeWindow":"WeChat","online":true,"group":"default","screen":"1:1920x1080","clientType":"EXE"}
+    ]
+  },
+  "content":[{"type":"text","text":"共 1 台主机在线。"}],
+  "isError":false
+}}
+```
+
+#### 3.3.4 可选实现
+
+- `ping`：返回空 result（便于健康检查）
+- `notifications/initialized`：客户端通知，可忽略
+
+#### 3.3.5 错误响应（JSON-RPC 2.0 标准）
+
+协议层必须处理以下错误，返回标准 `error` 结构（`id` 回填请求 id）：
+
+| 场景 | code | message |
+|---|---|---|
+| 请求体不是合法 JSON | `-32700` | Parse error |
+| 请求结构不合法（缺 jsonrpc/method 等） | `-32600` | Invalid Request |
+| 方法未实现 | `-32601` | Method not found |
+| 参数非法 | `-32602` | Invalid params |
+| 内部错误 | `-32603` | Internal error |
+
+示例（方法未实现）：
+```json
+{"jsonrpc":"2.0","id":1,"error":{"code":-32601,"message":"Method not found"}}
+```
+
+#### 3.3.6 传输层约定（Streamable HTTP 最小子集）
+
+- 客户端 `POST /mcp`，请求头 `Content-Type: application/json`、`Accept: application/json, text/event-stream`。
+- 服务端返回 `Content-Type: application/json`（MVP 工具调用为 request/response，无需 SSE 流式）。
+- `initialize` 响应可回填 `Mcp-Session-Id` 头用于会话管理；MVP 单会话可省略，实现时对照最新 MCP 规范确认。
+- 仅接受 `POST /mcp`，其余路径/方法返回 404/405。
+
+### 3.4 工具设计：`list_online_hosts`
+
+#### 取数方案（已定：抽公共函数）
+
+`BuildDeviceListJson` 目前是 `CWebService` 的 private 方法，且依赖 `m_pParentDlg`。为满足「MCP 与 WebService 是平级数据消费者、不互相依赖」的原则，采用**方案 C：抽公共函数**。
+
+```cpp
+// 公共函数：提取单台在线主机的完整数据（含 GBK/UTF-8 编码处理），返回 UTF-8 的 Json::Value
+Json::Value BuildHostJson(context* ctx, _ClientList* clientMap);
+```
+
+- `CWebService::BuildDeviceListJson` 内部改调该公共函数，Web 侧签名与输出不变（零回归）。
+- `McpServer` 侧持 `CMy2015RemoteDlg*`（`SetParentDlg`），在 `m_cs` 锁内遍历 `m_HostList`、`IsLogin()` 过滤，对每台主机调 `BuildHostJson`，组装为结构化输出。
+- **职责边界**：用户名/分组过滤（`username` → `allowed_groups`）、`m_cs` 加锁、以及外层结构（Web 的 `{"cmd","devices"}` vs MCP 的 `{"hosts"}`）属于**调用方**，不进公共函数；`BuildHostJson` 只负责「单台主机 → `Json::Value`」的字段序列化与编码转换。其中 `remark` 依赖 `m_ClientMap->GetClientMapData(id, MAP_NOTE)`，故 `clientMap` 作为参数传入。
+
+选型说明：方案 A（MCP 依赖 `CWebService` 单例）依赖方向错误，且 `WebSvrPort=0` 时 `m_pParentDlg` 为空导致取不到数；方案 B（MCP 自持父对话框复制逻辑）违反 DRY、重复易错的编码处理。故取 C。
+
+#### 返回内容（全量，含实时信息）
+
+**保留 `BuildDeviceListJson` 的全部字段，不做精简**，以支持「AI 协助监督客户端运行状态」的场景：
+
+- 基础标识：`id` / `name` / `remark` / `ip` / `os` / `location` / `group` / `version` / `clientType` / `screen`
+- 实时信息：`rtt`（延迟）、`activeWindow`（当前活动窗口，即被控端正在做什么）
+
+输出结构 `{"hosts": [...]}`，每台主机一个对象，字段与 §3.3.2 的 `outputSchema` 一致。
+
+### 3.5 安全设计
+
+- **绑定地址**：默认 `127.0.0.1`（仅本机回环，其他机器无法访问）；可经 `McpBind` 配置为 `0.0.0.0`（所有网卡）或内网 IP（如 `192.168.0.92`）以支持远程调用。
+  - 非回环绑定时 token 经明文 HTTP 传输，需强 token，并建议配合防火墙限制源 IP 或启用 HTTPS（项目已有 WebHTTPS 实践）。
+- **静态 token 校验**：每个 `POST /mcp` 请求校验 `Authorization: Bearer <token>` header；不匹配返回 HTTP 401。
+- **token 来源**（优先顺序）：环境变量 `YAMA_MCP_TOKEN` → `THIS_CFG` 的 `McpToken` → 两者皆空则**随机生成**。
+  - 前两者任一非空即作为固定 token；仅当两者皆空时才随机生成（仅本次进程运行期间有效，进程重启后重新生成不同的 token）。
+  - 随机生成时**必须将 token 输出到日志**（`Mprintf`），否则用户无从获知、无法在 Claude Code 侧配置。
+  - 环境变量名 `YAMA_MCP_TOKEN` 建议同 `BRAND_WEB_ENV_VAR` 一样在 `UIBranding.h` 定义为宏（如 `BRAND_MCP_ENV_VAR`），避免散落硬编码字符串。
+- **只读边界**：MVP 仅一个只读工具，不暴露任何写/操控能力。
+- **HTTP 方法限制**：仅接受 `POST /mcp`，其余返回 404/405。
+
+### 3.6 配置设计
+
+沿用现有 `THIS_CFG`（`settings` 节）：
+
+| 配置键 | 默认值 | 说明 |
+|---|---|---|
+| `McpEnabled` | `0` | MCP 总开关：`0` = 禁用（默认），`1` = 启用。经「扩展 → MCP设置」对话框设置 |
+| `McpPort` | `6544` | MCP 监听端口；仅当 `McpEnabled=1` 时生效；未配置用默认 `6544` |
+| `McpBind` | `127.0.0.1` | 监听地址；默认仅本机；可设 `0.0.0.0`（所有网卡）或内网 IP（如 `192.168.0.92`）以支持远程 |
+| `McpToken` | 空（UI 默认随机值） | 静态 token；对话框内「token 必填、默认随机值」——首次打开若为空则预填随机并随保存持久化。运行时优先级：env `YAMA_MCP_TOKEN` → `McpToken` → 皆空则随机生成（见 §3.5） |
+
+> 与旧版「`McpPort=0` 即禁用」不同：启用与否改由独立的 `McpEnabled` 开关控制，`McpPort` 回归纯端口语义，二者解耦。
+
+### 3.7 生命周期接入
+
+在 `2015RemoteDlg.cpp` Web 服务启动块（约 `2048-2081`）之后，新增 MCP 启动逻辑。`McpServer` 与 `CWebService` 同为单例：提供 `static McpServer& Instance()` 与全局 `inline McpServer& McpServer()` 访问器（仿 `WebService()`，见 `WebService.h` 末尾的全局访问器写法）。
+
+```cpp
+auto mcpEnabled = THIS_CFG.GetInt("settings", "McpEnabled", 0);   // 默认禁用
+auto mcpPort    = THIS_CFG.GetInt("settings", "McpPort", 6544);
+auto mcpBind    = THIS_CFG.GetStr("settings", "McpBind", "127.0.0.1");
+if (mcpEnabled) {
+    // token 优先顺序：env YAMA_MCP_TOKEN → THIS_CFG McpToken → 皆空则随机（仅本次进程有效）
+    const char* envTok = getenv("YAMA_MCP_TOKEN");
+    std::string mcpToken;
+    if (envTok && *envTok) {
+        mcpToken = envTok;
+    } else {
+        mcpToken = THIS_CFG.GetStr("settings", "McpToken", "");
+    }
+    if (mcpToken.empty()) {
+        mcpToken = GenerateRandomToken();  // 32 hex 随机串
+        Mprintf("[McpServer] YAMA_MCP_TOKEN / McpToken 均未设置，本次进程随机 token：%s\n", mcpToken.c_str());
+    }
+    McpServer().SetParentDlg(this);   // 方案 C：MCP 需遍历 m_HostList，须持父对话框指针
+    McpServer().SetToken(mcpToken);
+    if (!McpServer().Start(mcpBind, mcpPort)) {
+        Mprintf("McpServer start failed on %s:%d\n", mcpBind.c_str(), mcpPort);
+    }
+}
+```
+
+并在退出路径（`OnDestroy` / `ExitInstance` 对应位置）调用 `McpServer().Stop()`。
+
+### 3.8 「MCP设置」配置对话框
+
+MCP 默认不启用，通过主对话框「扩展 → MCP设置」菜单项打开配置对话框来开启。菜单项位置：`2015Remote.rc` 扩展菜单（`POPUP "扩展(&X)"`）内、「地理信息(&L)」子菜单（纯真数据库 / IP2Region）的 `END` 之后、「插件设置」之前。
+
+#### 3.8.1 菜单与资源接线
+
+1. **`resource.h`**：新增命令 ID（取当前空闲段，经查 `33077` 空闲）：
+   ```cpp
+   #define ID_MCP_SETTINGS   33077
+   ```
+2. **`2015Remote.rc`**：在「地理信息(&L)」子菜单 `END` 之后、`插件设置` 之前插入：
+   ```
+   MENUITEM "MCP设置(&M)...",                  ID_MCP_SETTINGS
+   ```
+   并新增对话框资源 `IDD_DIALOG_MCP_SETTINGS`（「启用 MCP」复选框 + 端口/绑定地址/token 三个编辑框 + 确定/取消按钮）。
+3. **`UIBranding.h`**：扩展菜单隐藏开关新增一行（默认 `0` 显示）：
+   ```cpp
+   #define HIDE_MENU_MCP_SETTINGS   0   // MCP设置
+   ```
+4. **`FeatureFlags.h`**：新增运行时许可位，占用 MenuFlags 保留段 `[43-63]` 的首位（紧跟 `MF_REQUEST_AUTH` 之后）：
+   ```cpp
+   #define MF_MCP_SETTINGS       (1ULL << 43)  // HIDE_MENU_MCP_SETTINGS
+   ```
+5. **`2015RemoteDlg.cpp`**：`#include "McpSettingsDlg.h"`，然后消息映射 + 处理器 + 剪枝：
+   ```cpp
+   ON_COMMAND(ID_MCP_SETTINGS, &CMy2015RemoteDlg::OnMcpSettings)
+   // ...
+   void CMy2015RemoteDlg::OnMcpSettings()
+   {
+       CMcpSettingsDlg dlg(this);
+       dlg.DoModal();
+   }
+   ```
+   并在扩展菜单剪枝块（`pExtMenu`，约 `2015RemoteDlg.cpp:1225` 之后）追加：
+   ```cpp
+   if (SHOULD_HIDE_MENU(HIDE_MENU_MCP_SETTINGS, MF_MCP_SETTINGS))
+       pExtMenu->DeleteMenu(ID_MCP_SETTINGS, MF_BYCOMMAND);
+   ```
+
+> **实现注意**：`2015Remote.rc` 为 UTF-16 编码，菜单与对话框资源须由 VS 资源编辑器维护（手工改文本易破坏编码与资源 ID 引用）。`IDD_DIALOG_MCP_SETTINGS` 需在 `resource.h` 分配独立空闲的 `IDD_` 数值（与 `ID_MCP_SETTINGS` 分开）；对话框内控件 ID（如 `IDC_CHK_ENABLE_MCP` / `IDC_EDIT_MCP_PORT` / `IDC_EDIT_MCP_BIND` / `IDC_EDIT_MCP_TOKEN`）同理。
+
+#### 3.8.2 对话框字段与默认值
+
+| 控件 | 绑定配置键 | 默认值 | 说明 |
+|---|---|---|---|
+| 「启用 MCP」复选框 | `McpEnabled` | 未勾选（`0`） | 勾选后持久化 `McpEnabled=1` |
+| 端口 | `McpPort` | `6544` | 数字编辑框，仅当启用时有效 |
+| 绑定地址 | `McpBind` | `127.0.0.1` | 默认仅本机；可改 `0.0.0.0` / 内网 IP |
+| Token | `McpToken` | 随机值 | 必填；为空时预填随机 token |
+
+#### 3.8.3 初始化与保存
+
+打开时读 `THIS_CFG` 回填；token 为空则当场生成随机值预填（32 hex）。保存时落盘并弹重启提醒：
+
+```cpp
+BOOL CMcpSettingsDlg::OnInitDialog()
+{
+    CDialogLangEx::OnInitDialog();
+    int enabled  = THIS_CFG.GetInt("settings", "McpEnabled", 0);
+    int port     = THIS_CFG.GetInt("settings", "McpPort", 6544);
+    std::string bind = THIS_CFG.GetStr("settings", "McpBind", "127.0.0.1");
+    std::string tok  = THIS_CFG.GetStr("settings", "McpToken", "");
+    if (tok.empty()) tok = GenerateRandomToken();   // 预填随机，随保存持久化
+    // 回填到控件：m_bEnabled / m_nPort / m_strBind / m_strToken
+    return TRUE;
+}
+
+void CMcpSettingsDlg::OnBnClickedBtnSave()
+{
+    // 从控件收集：enabled / port / bind / token
+    if (enabled && token.empty()) {
+        MessageBoxL(_TR("Token 不能为空"), _TR("提示"), MB_ICONWARNING);
+        return;
+    }
+    THIS_CFG.SetInt("settings", "McpEnabled", enabled ? 1 : 0);
+    THIS_CFG.SetInt("settings", "McpPort", port);
+    THIS_CFG.SetStr("settings", "McpBind", bind);
+    THIS_CFG.SetStr("settings", "McpToken", token);
+    MessageBoxL(_TR("MCP 设置已保存。\n启用/端口/绑定地址/Token 的改动需重启程序生效。"),
+                _TR("提示"), MB_ICONINFORMATION);
+    CDialogLangEx::OnOK();
+}
+```
+
+#### 3.8.4 与运行时 token 逻辑的衔接
+
+对话框的「默认随机 token」是把随机值**写入 `McpToken` 并持久化**，于是下次启动走 `env → McpToken` 的固定 token 分支；运行时「两者皆空则随机」分支仅在用户从未通过对话框设置过（或手动清空 token）时兜底，两者不冲突。`GenerateRandomToken()` 为 MCP 侧新增的小工具函数（32 hex 随机串，可用 `rand_s` / `BCryptGenRandom` 实现；如需可复用 `WebServiceAuth.h` 的 `ComputeSHA256` 派生）。
+
+---
+
+## 4. 实施步骤
+
+| 步骤 | 内容 | 验收 |
+|---|---|---|
+| 1 | 新建 `McpProtocol`：JSON-RPC 分发 + `initialize`/`tools/list`/`tools/call`（含 jsoncpp 解析/序列化） | 单元自测：手写请求串，验证响应 |
+| 2 | 新建 `McpServer`：httplib 起 `127.0.0.1:6544`，`POST /mcp` 路由 + token 校验（含随机生成） | curl 请求返回 401/正常 |
+| 3 | 抽公共函数 `BuildHostJson`，`CWebService::BuildDeviceListJson` 改调之 | Web 输出不变，零回归 |
+| 4 | 注册 `list_online_hosts` 工具：handler 持父对话框、`m_cs` 锁内遍历、调 `BuildHostJson` 组装 | `tools/call` 返回主机列表 |
+| 5 | 新增 `McpSettingsDlg` + 菜单项接线（`ID_MCP_SETTINGS` / `OnMcpSettings` / `HIDE_MENU_MCP_SETTINGS` / `IDD_DIALOG_MCP_SETTINGS` 资源） | 对话框可启用/禁用、配置端口/绑定/token，保存落盘并提示重启 |
+| 6 | 接入 `2015RemoteDlg` 启动/停止（按 `McpEnabled` 门控）+ 配置 | 服务端启动后端口监听正常 |
+| 7 | Claude Code 接入验证（见 §5） | 见验收标准 |
+
+---
+
+## 5. 验收标准
+
+1. 在「MCP设置」对话框启用并重启服务端后，`127.0.0.1:6544` 监听正常，外部地址无法访问；未启用时该端口不监听。
+2. 无 token 的请求返回 HTTP 401；错误 token 返回 401；正确 token 通过。
+3. `curl` 模拟 `initialize` → `tools/list` → `tools/call` 全流程，返回符合 JSON-RPC 2.0 与 MCP 规范。
+4. Claude Code 侧：
+   ```bash
+   claude mcp add yama --transport http http://127.0.0.1:6544/mcp -H "Authorization: Bearer <token>"
+   ```
+   `claude mcp list` 能看到 `yama`，在对话中问「列出在线主机」能正确触发工具并返回列表。
+5. 现有 Web 控制台、IOCP 主服务功能无回归。
+
+---
+
+## 6. 风险与约束
+
+| 风险 | 说明 | 应对 |
+|---|---|---|
+| 无官方 C++ MCP SDK | 需手写 JSON-RPC 协议层 | 仅实现 3 个方法，量小可控；协议稳定后再考虑抽库 |
+| MCP 规范版本演进 | protocolVersion 字符串需与客户端匹配 | 实现时对照最新规范；`initialize` 返回可协商版本 |
+| 并发安全 | 遍历 `m_HostList` 需持 `m_cs` | MCP 与 WebService 采用相同的「`m_cs` 锁内遍历」模式 |
+| 字符编码 | GBK/UTF-8 分叉 | 复用公共函数 `BuildHostJson` 的编码处理，不自造 |
+| token 存储 | `THIS_CFG` 的 token 会明文落盘；随机 token 会打印到日志 | 本地回环 + 只读，风险可控；敏感场景建议仅用 env 并妥善保管 |
+
+---
+
+## 7. 后续扩展规划（本期不做）
+
+- 工具：`get_host_processes`（进程列表）、`execute_command`（命令执行）、`capture_screen`（截图）等
+- 写操作工具的安全边界评审（操作对象、权限、审计）
+- 认证升级：复用 `WebServiceAuth` 的签名 token / 过期机制
+- 分组过滤：`list_online_hosts` 加 `group` 参数
+
+---
+
+## 8. 决策记录
+
+**决策记录（全部已定）：**
+- ✅ **启用开关**：新增 `McpEnabled`，默认 `0`（禁用）。MCP 默认不启动，须用户在「扩展 → MCP设置」对话框手动开启。
+- ✅ **端口**：`McpPort` 可配置，未配置默认 `6544`（纯端口语义，不再兼任启用开关）。
+- ✅ **token**：优先顺序 env `YAMA_MCP_TOKEN` → `THIS_CFG.McpToken` → 皆空则随机生成（仅本次进程有效，打印到日志）。对话框内 token 必填、默认随机值（预填并随保存持久化到 `McpToken`）。
+- ✅ **绑定地址**：默认 `127.0.0.1`（仅本机）；可配置为 `0.0.0.0` 或内网 IP（如 `192.168.0.92`）以支持多人协作跨机调用。
+- ✅ **配置入口**：主对话框「扩展」菜单，位于「地理信息(&L)」子菜单下方新增「MCP设置」菜单项，打开独立配置对话框。
+- ✅ **生效方式**：MCP 启用/端口/绑定/token 的改动均需重启服务端生效，对话框保存后弹窗提醒「重启程序生效」。
+- ✅ **取数方案**：C（抽公共函数 `BuildHostJson`，MCP 与 WebService 平级复用）。
+- ✅ **返回字段**：全量，含实时信息（`rtt` / `activeWindow`），支持 AI 监督场景。
+- ✅ **序列化**：`structuredContent` + `outputSchema`，`content` 附带可读摘要。

docs/Mcp_FileTransfer_Design.md

@@ -0,0 +1,396 @@
+# YAMA MCP 文件传输功能设计（download_file / upload_file）
+
+> **状态**：设计定稿（经专家审查修订，结论见 §13）。`download_file`（P1）已实施并验收；`upload_file`（P2）已实施（详见 §7，评审修订见 §13.1）。`download_file` 采用 **V2 文件传输协议**（`CMD_DOWN_FILES_V2` + 流式子连接 + SHA-256 校验），`upload_file` 复用服务端既有 `FileBatchTransferWorkerV2`（主连接同步驱动）。两者共享同一套「文件会话」注册表。
+> **读者**：MCP 后续功能研发/评审人员。
+> **关联文档**：[Mcp_Phase2_Design.md](./Mcp_Phase2_Design.md)（双模式无头驱动机制）、[FILE_TRANSFER_V2.md](./FILE_TRANSFER_V2.md)（V2 协议清单）、[Mcp_Design.md](./Mcp_Design.md)（Phase 1 协议/架构/配置）。
+
+---
+
+## 1. 背景与目标
+
+MCP 目前已暴露 `list_files`（只读列目录，`McpServer.cpp:1741`），但**没有文件传输工具**：把远程主机的文件/目录拉回主控本机（下载），或把本机文件推到远程（上传），只能通过 GUI 文件管理器手工操作。
+
+本技术书解决：
+
+1. **`download_file`**（本期 P1）——远程文件/目录 → 主控本机指定目录，复用 V2 推送协议，带 SHA-256 完整性校验、支持大文件。
+2. **`upload_file`**（后续 P2）——主控本机文件/目录 → 远程指定目录，复用服务端 V2 发送器。
+3. **一套共享的「流式文件会话」基础设施**——一次投入，下载/上传两处受益，镜像现有终端（`TermSession`）与远程控制（`ScreenCtrlSession`）会话模式。
+
+---
+
+## 2. 现状回顾
+
+| 能力 | 现有协议/命令 | 服务端现有实现 | 是否暴露给 MCP |
+|---|---|---|---|
+| 远程列目录 | `COMMAND_LIST_DRIVE`→`TOKEN_DRIVE_LIST`；`COMMAND_LIST_FILES`→`TOKEN_FILE_LIST` | `McpServer.cpp:1741`（`list_files`） | ✅ |
+| 远程→本地下载（V1） | `COMMAND_DOWN_FILES`(`commands.h:166`) + `TOKEN_FILE_SIZE/DATA/FINISH` | `FileManagerDlg.cpp:2164` / `file/CFileManagerDlg.cpp:1136` | ❌ 仅 GUI |
+| 远程→本地下载（V2） | `CMD_DOWN_FILES_V2`(94, `commands.h:260`) + `COMMAND_SEND_FILE_V2`(85) + `COMMAND_FILE_COMPLETE_V2`(91) | `FileManagerDlg.cpp:3337-3384`（下发）、`2756`（`RecvFileChunkV2` 落盘） | ❌ 仅 GUI |
+| 本地→远程上传（V2） | `FileBatchTransferWorkerV2`（服务端作 sender） | `2015RemoteDlg.cpp:7572` | ❌ 仅 GUI |
+
+### 2.1 关键事实
+
+1. **V2 下载的客户端会另开一条新子连接**：`client/FileManager.cpp:1101-1190` `UploadToRemoteV2()` 解析完文件列表后，`new IOCPClient(...)` → `EnableSubConnAuth()` → `ConnectServer(...)`（`FileManager.cpp:1170-1172`），在**独立鉴权子连接**上推 `COMMAND_SEND_FILE_V2` 分块 + `COMMAND_FILE_COMPLETE_V2` 校验包。即下载 ≠ 复用文件管理器那条子链接，而是一条**持续流子链接**——正属 `Mcp_Phase2_Design.md §4.3` 当初判定「本期不做」的流式能力。
+
+2. **接收端 `RecvFileChunkV2` 无 UI 可调**：`CDlgFileSend.cpp:128` 已 `RecvFileChunkV2(buf, len, nullptr, nullptr, hash, hmac, 0)` 无头落盘；落盘状态在 `SimplePlugins/file_upload.cpp` 内部按 `transferID` 自维护，天然适合 MCP 无头复用。
+
+3. **V2 落盘路径由客户端回填**：`CMD_DOWN_FILES_V2` 的 `targetDir` 是**主控本机**保存目录（`FileManagerDlg.cpp:3370` `m_Local_Path`）；客户端把它拼进每个 chunk 的 `filename` 发回，服务端 `RecvFileChunkV2` 直接按该完整路径写盘。因此「下载保存到哪」由服务端在命令里指定、客户端原样回填。
+
+---
+
+## 3. 协议选型（已定：V2）
+
+| 维度 | **V2 推送（选定）** | V1 拉取（回退） |
+|---|---|---|
+| 命令 | `CMD_DOWN_FILES_V2` + `COMMAND_SEND_FILE_V2` + `COMMAND_FILE_COMPLETE_V2` | `COMMAND_DOWN_FILES` + `TOKEN_FILE_SIZE/DATA/FINISH` |
+| 连接 | 客户端新开一条鉴权流式子连接 | 复用文件管理器子链接 |
+| 完整性 | ✅ SHA-256（`COMMAND_FILE_COMPLETE_V2`） | ❌ 无 |
+| 大文件 | ✅ 64 位偏移，>4GB | 64 位偏移但无校验 |
+| 客户端代码 | ✅ 已存在，是当前 GUI 正规路径 | ⚠️ 遗留路径 |
+| MCP 侧复杂度 | 需路由一条**新流式子连接**（新增会话注册表） | 需在 `MessageHandle` 维护「发 CONTINUE/收 DATA」状态机，逐块 ACK 慢 |
+
+**结论：采用 V2。** 代价是服务端要新增「流式文件会话」注册与路由；但这是 `upload_file` 同样要复用的基础设施，一次投入两处受益。V1 仅作「不想引入新子连接路由」时的降级备案，不在本期实现。
+
+---
+
+## 4. 设计原则
+
+1. **复用现有协议，不新造命令**：`CMD_DOWN_FILES_V2`、`COMMAND_SEND_FILE_V2`、`COMMAND_FILE_COMPLETE_V2`、`COMMAND_LIST_DRIVE` 全部为 `common/commands.h` 既有；客户端零改动（upload 方向例外：`COMMAND_SEND_FILE_V2` 需懒初始化文件模块，见 §7.8）。
+2. **无头接管复用会话模式**：镜像 `McpServer.h` 的 `TermSession` / `ScreenCtrlSession`，新增 `FileTransferSession`；`MessageHandle` 用 `IsFileTransferContext(context*)` 判定是否路由到 MCP 无头落盘，否则回落 GUI 进度框。
+3. **单设备单传输会话**：与终端/远程控制一致，避免同 host 并发传输的归属歧义；并发返回 `-32003 Device busy`。
+4. **超时与清理是硬约束**：大文件传输是长任务，超时需独立于 `kMcpToolTimeoutMs`(20s)；断线/超时必须清会话 + 关子链接 + 删半成品文件。
+5. **输出 schema 先行**：两个工具先在 `tools/list` 声明完整 `inputSchema`/`outputSchema`。
+
+---
+
+## 5. 核心机制：流式文件会话
+
+### 5.1 会话注册表（`McpServer.h/.cpp`）
+
+```cpp
+struct FileTransferSession {
+    std::string  tool;           // "download_file" / "upload_file"
+    std::string  localDir;       // download: 本机落盘目录（规范化后绝对路径，用于穿越校验）
+    std::string  remotePath;     // 审计用原始远程路径（UTF-8）
+    uint64_t     transferID = 0; // 绑定后从首包填充（download）；upload 由本端 GenerateTransferID()
+    uint32_t     totalFiles = 0; // 完成判定：首个 COMMAND_SEND_FILE_V2 chunk 的 totalFiles（§13 F4）
+    uint32_t     filesDone  = 0; // 完成判定：累计收到的 COMMAND_FILE_COMPLETE_V2 数
+    bool         done     = false;
+    int          error    = 0;   // FEV2_* / 自定义
+    std::vector<FileEntry> files;   // {path, size} 已落盘/已发送文件
+    std::vector<FileEntry> skipped; // overwrite=false 时跳过的同名文件
+    time_t       startAt  = 0;
+};
+std::mutex                               m_FileXferMutex;
+std::map<uint64_t, FileTransferSession>  m_FileXferSessions;  // device_id → 会话
+```
+
+> **取消 `m_FileXferContextToDevice` 映射与 `IsFileTransferContext(context*)`**：流式子连接经 `TOKEN_CONN_AUTH` 已把 `clientID` 钉在 `ContextObject` 上（`2015RemoteDlg.cpp:6411 SetID`），分派时直接用 `ContextObject->GetClientID()` 定位 `device_id`，无需 context 路由表（§13 F1）。
+
+配套接口（与 `BeginTermPending` / `OnTerminalData` / `WaitTerminalDone` 同构）：
+
+```cpp
+bool  BeginFileTransferPending(uint64_t device_id, const std::string& tool,
+                               const std::string& localDir, const std::string& remotePath);
+bool  IsFileTransferPending(uint64_t device_id);                      // 分支顶部守卫
+void  OnFileChunkV2(uint64_t device_id, const BYTE* buf, ULONG len);   // 路径校验 + 无头 RecvFileChunkV2
+void  OnFileCompleteV2(uint64_t device_id, const BYTE* buf, ULONG len);// SHA-256 + filesDone 计数
+bool  WaitFileTransferDone(uint64_t device_id, int timeoutMs, std::vector<FileEntry>& out);
+void  ClearFileTransfer(uint64_t device_id);                          // 失败/超时/断线收尾（删半成品）
+```
+
+### 5.2 流式子连接的路由（device_id 键，镜像 `TOKEN_DRIVE_LIST` 守卫）
+
+V2 下载的数据包 `COMMAND_SEND_FILE_V2`(85) / `COMMAND_FILE_COMPLETE_V2`(91) 本就由 `MessageHandle` 按 `ContextObject->GetClientID()` 分派（`2015RemoteDlg.cpp:5842` / `6101`）。MCP 只需在这两个 case 的 **`dstClientID==0`（M2C）分支顶部**加守卫：
+
+```cpp
+case COMMAND_SEND_FILE_V2: {
+    FileChunkPacketV2* pkt = (FileChunkPacketV2*)szBuffer;
+    if (pkt->dstClientID == 0) {
+        uint64_t devId = ContextObject->GetClientID();
+        if (McpServer().IsFileTransferPending(devId)) {   // ← 新增守卫：无头接管
+            McpServer().OnFileChunkV2(devId, szBuffer, len);
+            break;                                        // 不建 CDlgFileSend、不设 hDlg
+        }
+        // ... 原 GUI 逻辑（建 CDlgFileSend + OnReceiveComplete）不变
+    }
+    // ... C2C 分支（dstClientID != 0）完全不动
+}
+```
+
+- `TOKEN_CONN_AUTH`(`6378`) **完全不动**——它只负责把 `clientID` 钉在 ctx 上，下载复用既有行为。
+- `TOKEN_DRIVE_LIST`(`6430`) 既有 `IsPending(devId)` 守卫**扩展复用**：`OnDriveList` 识别当前挂起工具为 `download_file` 时，改发 `CMD_DOWN_FILES_V2` 而非 `COMMAND_LIST_FILES`，发完即 `CancelIO` 文件管理器子链接（数据走新流式子连接，§13 F3）。
+- 守卫为假时全部回落原 GUI/C2C 路径——对既有功能零影响（原则 #1，§13 F7）。
+
+---
+
+## 6. `download_file` 设计（P1）
+
+### 6.1 工具 Schema
+
+```
+input: {
+  id:          string  (必填, 主机 id)
+  remote_path: string  (必填, 远程文件或目录绝对路径, 如 C:\Users\shaun\Pictures)
+  local_dir:   string  (必填, 主控本机保存目录; 不存在会自动创建)
+  overwrite:   boolean (可选, 默认 false; true 覆盖同名文件, false 则跳过)
+  timeout_ms:  integer (可选, 默认 600000, 上限 3600000)
+}
+output: {
+  files:       [{ path: string, size: integer, sha256: string }]  // 实际落盘文件
+  total_bytes: integer
+  skipped:     integer
+}
+```
+
+### 6.2 时序
+
+```
+MCP工具线程                          服务端 MessageHandle                    客户端
+   │ 1. BeginFileTransferPending(id,"download_file",localDir,remotePath)       │
+   │ 2. 主连接发 COMMAND_LIST_DRIVE ────────────────────────────────────────► 开文件管理器子链接
+   │ 3.                              ◄── TOKEN_DRIVE_LIST ─────────────────────┤
+   │    OnDriveList → 锁外下发 CMD_DOWN_FILES_V2[targetDir\0][remote_path\0]\0 │
+   │ 4.                              ────────────────────────────────────────► UploadToRemoteV2()
+   │                                 (客户端另开一条鉴权流式子连接 ConnectServer)
+   │ 5. 新子连接 TOKEN_CONN_AUTH 钉 clientID → 后续分块按 device_id 守卫接管    │
+   │ 6.                              ◄── COMMAND_SEND_FILE_V2 分块流 ──────────┤
+   │                                 → OnFileChunkV2 → RecvFileChunkV2() 无头落盘
+   │ 7.                              ◄── COMMAND_FILE_COMPLETE_V2(SHA-256) ────┤
+   │ 8. 校验通过 → done → 唤醒工具线程 → CancelIO 两条子连接 → 返回             │
+```
+
+### 6.3 服务端改动
+
+1. **`McpServer.h`**：新增 `FileTransferSession` 结构 + 注册表 + 接口声明（§5.1）。
+2. **`McpServer.cpp`**：
+   - `BuildDownloadFileInputSchema/OutputSchema` + `BuildDownloadFile(...)`（`tools/call` 分派）；
+   - `OnFileChunkV2`：**先路径校验**（chunk `filename` 规范化后仍在 `local_dir` 内，防 `..` 穿越，§13 F5）→ 调 `RecvFileChunkV2(buf,len,nullptr,nullptr,hash,hmac,0)` 无头落盘，记 `totalFiles`/进度；
+   - `OnFileCompleteV2`：`HandleFileCompleteV2` 校验 SHA-256 → `filesDone++`；`filesDone==totalFiles` 时置 `done` + `notify`（§13 F4）；
+   - `hash/hmac` 镜像 `FileManagerDlg.cpp:2755` 的 `GetPwdHash()/GetHMAC(100)`，兼容客户端 M2C `hmac` 为空（`client/FileManager.cpp:1167`，§13 F6）；
+   - `ClearFileTransfer`（发送失败/超时/断线）：`CancelIO` 子链接 + 删除半成品。
+3. **`2015RemoteDlg.cpp`（`MessageHandle`）**：`COMMAND_SEND_FILE_V2`(85)、`COMMAND_FILE_COMPLETE_V2`(91) 的 `dstClientID==0` 分支顶部加 `IsFileTransferPending(devId)` 守卫；`TOKEN_DRIVE_LIST` 处扩展 `OnDriveList` 识别 `download_file` 改发 `CMD_DOWN_FILES_V2`。`TOKEN_CONN_AUTH` 与 C2C 分支**完全不动**。
+4. **`McpSettingsDlg.cpp/.h`**：新增 `McpFileTransfer` 配置项（默认 0）。
+
+### 6.4 落盘与路径安全
+
+- 发 `CMD_DOWN_FILES_V2` 前把 `local_dir` 规范化为绝对路径并 `CreateDirectory`；`targetDir` 用 ANSI（MBCS 构建本机路径）。
+- 每收到一个 chunk，校验其 `filename` 规范化后**前缀必须在 `local_dir` 内**（防 `..` 穿越，呼应 `FILE_TRANSFER_V2.md §8.3` 已识别的风险）；逃逸则置 `error` 并 `CancelIO`。
+- 编码：`remote_path` 走 UTF-8→ANSI(936)（Windows 客户端，复用 `McpServer.cpp` 既有 `ToAnsi`，与 `list_files` 一致）。
+
+### 6.5 超时与并发
+
+- **P1 范围：同步 + 单文件/已打包目录**。一次 `tools/call` 阻塞到底，不引入 job/task 异步模型（决策见 §12）。核心场景「先 `terminal_exec` 压缩成单 zip，再 `download_file` 拉回」天然是单文件，同步足够。
+- 默认 `timeout_ms=600000`、上限 3600000，因大文件远超 `kMcpToolTimeoutMs`(20s)。
+- **单飞互斥（§13 F2）**：`BeginFileTransferPending` 与既有一次性 `m_Pending` **双向互斥**——下载登记时占用 `m_Pending`，反之 `BeginPending` 也检查 `m_FileXferSessions`，保证同 host 任意时刻只一个 MCP 工具在飞；并发返回 `-32003 Device busy`。
+- 断线（`OfflineProc` 擦会话）+ 超时（删半成品）双收尾。
+
+---
+
+## 7. `upload_file` 设计（P2）
+
+### 7.1 工具 Schema
+
+```
+input: {
+  id:          string  (必填, 目标主机 id)
+  local_path:  string  (必填, 主控本机文件或目录绝对路径; 目录递归上传)
+  remote_dir:  string  (必填, 远程主机保存目录; 不存在会自动创建)
+  overwrite:   boolean (可选, 默认 false; true 覆盖同名文件, false 跳过)
+  timeout_ms:  integer (可选, 默认 600000, 上限 3600000)
+}
+output: {
+  files:       [{ path: string, size: integer, sha256: string }]  // 已发送文件（远程完整路径）；P2 sha256 恒为空串（见 §7.5）
+  total_bytes: integer
+  skipped:     integer
+}
+```
+
+### 7.2 方向与连接（与 download 的关键差异）
+
+| 维度 | download_file（P1） | upload_file（P2） |
+|---|---|---|
+| 数据方向 | 远程客户端 → 主控 | 主控 → 远程客户端 |
+| 发送方 | 客户端（`UploadToRemoteV2` → `FileBatchTransferWorkerV2`） | 主控（`FileBatchTransferWorkerV2`） |
+| 连接 | 客户端**新开一条鉴权流式子连接** | 复用**主连接**（`ctx->Send2Client`），无子连接 |
+| 完成信号 | 客户端发 `COMMAND_FILE_COMPLETE_V2`，服务端 `OnFileCompleteV2` 校验计数 | 服务端**作为发送方**自己发 `COMMAND_FILE_COMPLETE_V2`（SHA-256），客户端 `HandleFileCompleteV2` 校验 |
+| MessageHandle 改动 | 2 处守卫分支 + `OnDriveList` 扩展 | **零改动**（客户端 `KernelManager.cpp:1381` 接收，但需懒初始化文件模块，见 §7.8） |
+
+> **修正旧稿（§13.1 评审）**：旧稿写「只需等客户端回 `COMMAND_FILE_COMPLETE_V2`」是错的。V2 协议里 COMPLETE 包恒由**发送方**发、接收方校验，**无接收方→发送方 ACK**。upload 的服务端是发送方，故它**发** COMPLETE 而非「等」。这也意味着 upload 比 download 更简单——无需路由外来流式子连接、无需 `OnFileCompleteV2` 计数。
+
+### 7.3 时序
+
+```
+MCP工具线程                          主连接 (ctx→Send2Client)          客户端 KernelManager
+  1. 校验 McpFileTransfer=1 && McpReadonly=0（§8）
+  2. CollectLocalFiles({local_path}) 收集本机文件+目录项（目录项在前、子项随后）
+  3. (overwrite=false) list_files 预检 remote_dir 一层 → 得已存在顶层名 → skip 列表
+  4. BeginFileUpload(id) 登记会话（单设备单传输互斥标记，§6.5）
+  5. 同步驱动（工具线程内）：FileBatchTransferWorkerV2(files, remote_dir, cb, f, hash, hmac, opts)
+  6.                               ── COMMAND_SEND_FILE_V2 分块流 ───► RecvFileChunkV2 落盘
+  7.                               ── COMMAND_FILE_COMPLETE_V2(SHA256)► HandleFileCompleteV2 校验
+  8. worker 同步返回 → ClearFileTransfer → 返回 files/total_bytes/skipped
+```
+
+### 7.4 服务端改动
+
+1. **`McpServer.h`**：新增 `BeginFileUpload(id)`，登记 `FileTransferSession{tool="upload_file", startAt}` 作为**单设备单传输互斥标记**（与 `m_Pending`/`m_FileXferSessions` 互斥，见 §6.5）。upload 走主连接、工具线程**同步**驱动 `FileBatchTransferWorkerV2`，会话**无** `fmSubCtx`/`streamSubCtx`/`fileEntries`/`done` 等字段（`ClearFileTransfer` 对空指针安全）。
+2. **`McpServer.cpp`**：
+   - `BuildUploadFileInputSchema/OutputSchema` + `BuildUploadFile(...)`（`tools/call` 分派）；
+   - 无头回调 `UploadSendChunkHeadless(user, chunk, data, size)`：经 `UploadCallbackData{parent,clientID,deadline}` 里 `parent->FindHost(clientID)` 定位 ctx → `ctx->Send2Client(data,size)`；客户端离线或整体超时返回 false 中止（镜像 GUI `SendFileChunkToClientV2`，去掉 `dlg` 进度，见 `2015RemoteDlg.cpp:7424-7459`）；
+   - 收集：本地 `CollectLocalFiles` 递归（`common/file_upload.cpp:38` 的 `ExpandDirectories` 未在 `file_upload.h` 导出，故在 McpServer.cpp 本地同构实现，目录项在前、子项随后）；
+   - overwrite 预检：复用 `list_files` 的 `COMMAND_LIST_DRIVE→TOKEN_DRIVE_LIST→COMMAND_LIST_FILES→TOKEN_FILE_LIST` 机制列 `remote_dir` **一层**（顶层名，不递归），过滤同名 → `skipped`；
+   - 驱动：`FileBatchTransferWorkerV2(files, remote_dir, &cb, headlessCallback, nullptr, GetPwdHash(), GetHMAC(100), opts)`；`opts.transferID=GenerateTransferID()`、`srcClientID=0`、`dstClientID=clientID`、`enableResume=false`；
+   - 完成判定：`result==0 && FindHost(clientID)!=nullptr`（镜像 GUI `SendFilesToClientV2Internal` 末尾）。
+3. **`2015RemoteDlg.cpp`（MessageHandle）**：**零改动**。
+4. **`McpSettingsDlg.cpp/.h`**：零改动（`McpFileTransfer` 已存在，§8 复用）。
+
+### 7.5 完整性边界（诚实声明）
+
+- V2 无接收方→发送方 ACK：客户端 `HandleFileCompleteV2` 校验失败只打日志（`RecvFileChunkV2` 返回 8，`KernelManager.cpp:1381` 不回传主控）。
+- **P2 的 `output.files[].sha256` 恒为空串**：`FileBatchTransferWorkerV2` 内部会为每个文件自算 SHA-256 并写入 `COMMAND_FILE_COMPLETE_V2` 包发给客户端，但该值**不回传调用方**；服务端侧又无导出的 SHA-256 工具函数可自行复算。故 P2 输出不填 sha256（延后 P3：worker 回传哈希，或服务端引入 SHA-256 工具）。传输完整性仍依赖客户端本地 `HandleFileCompleteV2` 校验（与 GUI upload / C2C 同权，属 V2 协议既有边界，非 MCP 引入）。
+- 若未来需要「接收方验真回执」，需新增反向 ACK 包（协议扩展，进 P3）。
+
+### 7.6 overwrite 语义
+
+- `overwrite=false`（默认）：发送前用 `list_files` 预检 `remote_dir` **一层**（顶层名，不递归），本地顶层项名已存在者整体跳过（单文件精确、目录整体跳过），文件条目计入 `skipped`（目录项不计）。编码 UTF-8→ANSI(936)，与 `list_files`/`download_file` 一致。
+- `overwrite=true`：全量发送（客户端 `RecvFileChunkV2` 覆盖写）。
+- 代价：一次预检往返；对称于 download 的「本地同名跳过」语义。
+
+### 7.7 安全
+
+- 门槛 `McpFileTransfer=1 && McpReadonly=0`（§8）：upload 写远程盘，复用「允许写」主开关。
+- `remote_dir` 路径规范化（防 `..` 穿越到预期目录之外）。`local_path` 是主控本机路径（信任本地文件系统），主要风险是 AI 误推敏感文件/覆盖远程关键文件——由 `McpReadonly=0` + 审计兜底（与 `terminal_*`/`remote_*` 同款「开关+审计」，不加目录黑名单，见 §12.1）。
+
+### 7.8 客户端改动（实施期修正，评审见 §13.1 U7）
+
+`RecvFileChunkV2` 依赖全局 `g_status==1`（`SimplePlugins/file_upload.cpp:2812` `if (!g_status) return -1;`），但客户端**主连接此前从不初始化文件传输模块**——`InitFileUpload` 只在 `FileManager`/`ScreenManager` 构造里成对调用（下载/屏幕方向），上传走主连接时 `g_status==0`，每个 chunk 都被 `RecvFileChunkV2` 直接丢弃（表现为落盘 0 字节 / 截断）。
+
+修法：在 `client/KernelManager.cpp` 的 `COMMAND_SEND_FILE_V2` 分支加**懒初始化**（进程内仅一次）：
+
+```cpp
+static bool s_v2RecvInited = false;
+if (!s_v2RecvInited) {
+    InitFileUpload({}, m_LoginMsg, m_LoginSignature, 64, 50, Logf);
+    s_v2RecvInited = true;
+}
+int n = RecvFileChunkV2((char*)szBuffer, ulLength, m_conn, nullptr, m_hash, m_hmac, m_MyClientID);
+```
+
+要点（独立评审结论，均为安全）：
+
+- 与 `FileManager.cpp:40` 的 Init 参数**逐字节一致**（`{}`, `m_LoginMsg`, `m_LoginSignature`, 64, 50, `Logf`），不新增路径。
+- `static` 保证进程内只初始化一次，主连接重连（`ClientDll.cpp:660/665` 反复 `SAFE_DELETE`+`new CKernelManager`）不反复 Init/Uninit；`~CKernelManager` 保持原样**不** `UninitFileUpload`，故 `g_threadCount` 从 1 起永不归 0，`g_status` 恒为 1。
+- `InitFileUpload` 幂等（`g_fileStatesMtx` + `g_threadCount` 引用计数，二次调用 `g_threadCount>1` 早退）、非阻塞（仅置标志 + 派生 detach 线程）、license 校验在启动期 `licenseInit()` 后必过、`verifyMessage` 对空签名 `return false`（`license.cpp:244`）不会越界。
+- 影响面：主连接 `OnReceive` 无 V1 `COMMAND_SEND_FILE` 分支，`g_status=1` 只作用于 `RecvFileChunkV2`；`FileManager`/`ScreenManager` 的成对 Init/Uninit 只是在 1↔2 间震荡，语义不变。
+
+---
+
+## 8. 安全门
+
+| 工具 | 定性 | 门槛 |
+|---|---|---|
+| `download_file` | 不改远程状态，但**数据外带** | `McpFileTransfer=1`（仅此一开关；**不依赖** `McpReadonly`，与 `list_files`/`get_screenshot` 同权） |
+| `upload_file` | **写远程盘** | `McpFileTransfer=1` **且** `McpReadonly=0`（复用既有「允许写」主开关） |
+
+- **只新增一个开关 `McpFileTransfer`（默认 0）**：download 只看它；upload 额外要求 `McpReadonly=0`。决策依据见 §12。
+- `tools/list` 据此隐藏两个工具（与 `exec_command`/`terminal_*`/`remote_*` 同款开关判断）。
+- 审计：`host_id + tool + remote_path + local_dir + 结果`，写 `Mprintf` + 审计日志。
+
+---
+
+## 9. 改动文件清单
+
+| 文件 | 改动 |
+|---|---|
+| `server/2015Remote/McpServer.h` | `FileTransferSession` + 注册表 + 8 个接口声明 |
+| `server/2015Remote/McpServer.cpp` | `download_file` schema/实现 + 会话状态机 + 路由分支 |
+| `server/2015Remote/2015RemoteDlg.cpp` | `MessageHandle`：`COMMAND_SEND_FILE_V2`(85) / `COMMAND_FILE_COMPLETE_V2`(91) 两处守卫分支 + `TOKEN_DRIVE_LIST` 处 `OnDriveList` 扩展；`TOKEN_CONN_AUTH` 不动 |
+| `server/2015Remote/McpSettingsDlg.cpp/.h` | `McpFileTransfer` 配置项 |
+| （P2）`server/2015Remote/McpServer.h` | `FileTransferSession.tool` 增 `"upload_file"`；新增 `BeginFileUpload(id)`（单设备单传输互斥标记） |
+| （P2）`server/2015Remote/McpServer.cpp` | `upload_file` schema/实现：无头回调 `UploadSendChunkHeadless` + `CollectLocalFiles` 收集 + overwrite 预检（复用 `list_files` 链路）+ 驱动 `FileBatchTransferWorkerV2`（复用主连接，无子连接路由） |
+| （P2）`client/KernelManager.cpp` | `COMMAND_SEND_FILE_V2` 分支加懒初始化 `InitFileUpload`（`g_status` 由 0 置 1，见 §7.8） |
+
+**客户端**：`UploadToRemoteV2` / `RecvFileChunkV2` / `FileBatchTransferWorkerV2` 均已存在、未改动；仅 `COMMAND_SEND_FILE_V2` 分支新增懒初始化（见 §7.8）。
+
+---
+
+## 10. 分阶段实施与回滚
+
+- **P1**：`download_file` + `McpFileTransfer` 开关 + 路由分支。可独立合入、独立验收（真实主机拖回一个目录，SHA-256 与 `certutil -hashfile` 比对一致）。
+- **P2**：`upload_file`（§7，主连接复用 + 发送方驱动，`MessageHandle` 零改动）。可独立合入、独立验收（推一个目录到真实主机，SHA-256 与源文件 `certutil -hashfile` 比对一致）。
+- **P3**（可选）：断点续传（需先验证服务端续传状态落盘；文件管理器侧现 `enableResume=false`，`client/FileManager.cpp:1164`）、大文件进度流式上报。
+- **回滚**：改动集中在 `McpServer.*` + `MessageHandle` 三个 `if` 分支，revert 当期 commit 即可，不影响既有 GUI 文件管理器。
+
+---
+
+## 11. 测试点
+
+- 单文件 / 目录（含中文名、深层嵌套）下载；SHA-256 与 `certutil -hashfile` 比对一致。
+- `overwrite=false` 同名跳过；`local_dir` 不存在自动创建。
+- 路径穿越：`remote_path` 含 `..` 或 chunk 文件名逃逸 `local_dir` 时被拒。
+- 大文件（>2GB）超时与断线；并发下载同主机返回 `-32003`。
+- 编码：GBK 中文文件名往返无乱码（与 `list_files` 同规则）。
+- 断线收尾：传输中客户端掉线 → 会话擦除 + 半成品删除，无句柄/内存泄漏。
+- **上传（P2）**：单文件 / 目录（含中文名、深层嵌套）上传；`remote_dir` 不存在自动创建；SHA-256 与源文件 `certutil -hashfile` 比对一致。
+- 上传 `overwrite=false` 同名跳过（`skipped` 计数）；`overwrite=true` 覆盖。
+- 上传 `remote_dir` 含 `..` 逃逸被拒；大文件（>2GB）超时与断线；并发上传/上传-下载同主机返回 `-32003`。
+- 上传编码：GBK 中文文件名往返无乱码。
+
+---
+
+## 12. 决策记录（以「简单易用」为原则）
+
+原则：最少开关、最少认知负担、复用既有机制、不为低频场景预留复杂度；只有威胁模型确实需要时才加复杂度。
+
+### 12.1 download 数据外带 → **不加目录白名单，信任 `McpFileTransfer` + 审计**
+
+- **威胁模型**：MCP 默认 `127.0.0.1` + token；「数据外带」的实际顾虑是 AI 误操作或提示注入。但一旦开启 `terminal_exec`（全 shell、无白名单），外带通道远大于 download，目录白名单对已开终端者是冗余防御。
+- **一致性**：`terminal_*` / `remote_*` 均只有开关 + 审计、无路径白名单；给 download 单独加白名单是特例，增加解释负担。
+- **简单**：工具契约保持 `id + remote_path + local_dir`，不引入「允许根目录」概念。
+- **逃生舱**：若未来确有需要，复用 `McpCmdWhitelist` 那种**单字符串**配置作可选收紧项，进 P3，不进 P1。
+
+### 12.2 大文件模型 → **P1 同步 + 大超时，收窄到单文件/已打包目录**
+
+- MCP 是 request/response；为一次性传输引入「提交任务 + 轮询进度 + 任务清理」违背「简单 + 每阶段独立可交付」。
+- 核心场景（先压缩成单 zip 再拉回）天然是单文件，同步足够；`get_screenshot` 已先例式地内联返回字节。
+- 异步任务模型进 P3，且**只在确有超大流式需求时**才做，不预建。
+
+### 12.3 upload 开关 → **单一 `McpFileTransfer`，upload 复用 `McpReadonly=0`**
+
+- `download_file` = `McpFileTransfer=1`（不依赖 `McpReadonly`）：它只读远程，与 `list_files`/`get_screenshot` 同权，readonly 语义本就只拦「改远程」。
+- `upload_file` = `McpFileTransfer=1 && McpReadonly=0`：upload 改远程，复用既有「允许写」主开关，与 `terminal_*`/`remote_*` 的 `X && !Readonly` 模式一致。
+- 只新增 **1 个**开关；代价是「不能只开 upload 不开 download」——这是可接受的简化（无人有此诉求）。
+
+---
+
+## 13. 专家审查记录（实施前）
+
+原则优先级：① 对既有功能影响最小 → ② 简单易用 → ③ 优先 V2。逐条核对了 `2015RemoteDlg.cpp` 的 `MessageHandle` 分派、`client/FileManager.cpp` 与 `SimplePlugins/file_upload.cpp` 的实现，结论如下：
+
+| # | 审查发现 | 结论 |
+|---|---|---|
+| F1 | 路由机制比草案更简单：`COMMAND_SEND_FILE_V2`(`5842`)/`COMMAND_FILE_COMPLETE_V2`(`6101`) 本就按 `ContextObject->GetClientID()` 分派，流式子连接经 `TOKEN_CONN_AUTH`(`6411 SetID`) 钉住 clientID | **无需 context 路由表**。改为 `device_id` 键 + 两个 case 顶部的 `IsFileTransferPending(devId)` 守卫，`TOKEN_CONN_AUTH` 完全不动 |
+| F2 | 一次性 `m_Pending` 与新增文件会话可能并发冲突（同 host 双工具） | `BeginFileTransferPending` 与 `m_Pending` **双向互斥**，同 host 全 MCP 工具单飞 |
+| F3 | 文件管理器子链接发完 `CMD_DOWN_FILES_V2` 后即无用（数据走新流式子连接） | `OnDriveList` 发完命令即 `CancelIO` 该子链接；客户端 `UploadToRemoteV2` 用独立 `IOCPClient`，不依赖它 |
+| F4 | 完成信号是**每文件一个** `COMMAND_FILE_COMPLETE_V2`（`FileCompletePacketV2.fileIndex`） | 会话记 `totalFiles`（首 chunk）/`filesDone`（complete 计数），`filesDone==totalFiles` 才算 done |
+| F5 | `RecvFileChunkV2` 内部直接按 chunk `filename` 落盘 | MCP 在调用**前**校验 `filename` 规范化仍在 `local_dir` 内，逃逸即取消传输 |
+| F6 | `RecvFileChunkV2` 需正确 `hash/hmac` | 镜像 `FileManagerDlg.cpp:2755` 的 `GetPwdHash()/GetHMAC(100)`；客户端 M2C `hmac` 为空（`FileManager.cpp:1167`） |
+| F7 | 三处改动均为「加 if 守卫 + 现有逻辑作 else」，C2C 分支不动 | 结构性满足原则 #1，对既有 GUI/C2C 零影响 |
+
+**判定**：7 项问题均已在正文对应章节修正，无阻塞项，**定稿**。
+
+### 13.1 upload_file 评审记录（P2，实施前）
+
+核对了 `2015RemoteDlg.cpp` 的 `SendFilesToClientV2Internal`/`SendFileChunkToClientV2`（GUI upload 发送方）、`SimplePlugins/file_upload.cpp` 的 `FileBatchTransferWorkerV2`/`RecvFileChunkV2`、`client/KernelManager.cpp:1381` 的接收分支，结论：
+
+| # | 审查发现 | 结论 |
+|---|---|---|
+| U1 | 旧稿「服务端等客户端回 `COMMAND_FILE_COMPLETE_V2`」方向写反 | COMPLETE 恒由**发送方**发、接收方 `HandleFileCompleteV2` 校验，无 ACK 回传。upload 服务端是发送方 → **发** COMPLETE，不是「等」 |
+| U2 | upload 走**主连接**（`ctx->Send2Client`），不像 download 要客户端新开鉴权流式子连接 | `MessageHandle` 零改动；无需 `IsFileTransferPending` 路由守卫、无需 `OnFileCompleteV2` 收包计数 |
+| U3 | 复用 `FileBatchTransferWorkerV2` 时回调需无头版 | 镜像 GUI `SendFileChunkToClientV2` 去掉 `dlg` 进度，`m_parent->FindHost(clientID)` 定位 ctx；离线返回 false 中止 |
+| U4 | 完成判定无接收方回执 | `result==0 && FindHost(clientID)!=nullptr`（与 GUI `SendFilesToClientV2Internal` 末尾一致）；`output.sha256` 恒为空串，非接收方验真（见 §7.5） |
+| U5 | `overwrite=false` 需预知远程同名文件 | 复用 `list_files` 的 `COMMAND_LIST_DRIVE→TOKEN_DRIVE_LIST` 预检 `remote_dir`，过滤同名进 `skipped` |
+| U6 | 本地文件收集 | `common/file_upload.cpp:38` `ExpandDirectories` 未在 `file_upload.h` 导出，改为 McpServer.cpp 本地 `CollectLocalFiles` 同构实现（目录项在前、子项随后） |
+| U7 | 实施验证发现：客户端主连接 `g_status==0`，`RecvFileChunkV2` 逐 chunk `return -1`（上传落盘 0 字节/截断） | 客户端 `COMMAND_SEND_FILE_V2` 分支加懒初始化（§7.8）：`static` 一次 + 永久引用计数、析构不 `Uninit`；与 `FileManager.cpp:40` 参数一致，独立评审确认无稳定性风险 |
+
+**判定**：7 项均已写入 §7 对应小节，无阻塞项，**定稿**。