Feature: Add "Unban IP" to log message context menu in main dialog

- Add "Unban IP" menu item to the log message list (m_CList_Message)
  right-click context menu, performing two actions on the extracted IP:
  1. Remove the IP from the IPBlacklist singleton and persist to config
  2. Scan the entire history host list (m_ClientMap->GetAll()) for all
     clients matching the IP with AUTH_FORBIDDEN status, and restore
     them to UNAUTHORIZED (0) — requiring re-authorization for safety
- Reuses ExtractFirstIPFromMessage() for dependency-free IPv4 parsing
- Handles the case where an IP is not in the blacklist and has no
  matching forbidden clients with a clear "no action needed" message
- Menu item is grayed out when no log entry is selected
- Sync en_US / zh_TW language files with new translation strings

Co-Authored-By: DeepSeek V4 Pro

server/2015Remote/2015RemoteDlg.cpp

@@ -944,6 +944,7 @@ BEGIN_MESSAGE_MAP(CMy2015RemoteDlg, CDialogEx)
     ON_COMMAND(ID_MSGLOG_SEARCH, &CMy2015RemoteDlg::OnMsglogSearch)
     ON_COMMAND(ID_MSGLOG_LOGIN_NOTIFY, &CMy2015RemoteDlg::OnMsglogLoginNotify)
     ON_COMMAND(ID_MSGLOG_BAN_IP, &CMy2015RemoteDlg::OnMsglogBanIP)
+    ON_COMMAND(ID_MSGLOG_UNBAN_IP, &CMy2015RemoteDlg::OnMsglogUnbanIP)
     ON_COMMAND(ID_ONLINE_ADD_WATCH, &CMy2015RemoteDlg::OnOnlineAddWatch)
     ON_COMMAND(ID_ONLINE_LOGIN_NOTIFY, &CMy2015RemoteDlg::OnOnlineLoginNotify)
     ON_NOTIFY(NM_CUSTOMDRAW, IDC_ONLINE, &CMy2015RemoteDlg::OnNMCustomdrawOnline)
@@ -9308,13 +9309,15 @@ void CMy2015RemoteDlg::OnRClickMessage(NMHDR* pNMHDR, LRESULT* pResult)
     menu.AppendMenu(MF_SEPARATOR);
     menu.AppendMenu(MF_STRING, ID_MSGLOG_LOGIN_NOTIFY, _TR("上线提醒"));
     menu.AppendMenu(MF_STRING, ID_MSGLOG_BAN_IP, _TR("封禁IP"));
+    menu.AppendMenu(MF_STRING, ID_MSGLOG_UNBAN_IP, _TR("解除封禁"));
 
-    // 没有选中项时禁用"删除选中"、"复制选中"、"上线提醒"和"封禁IP"
+    // 没有选中项时禁用"删除选中"、"复制选中"、"上线提醒"、"封禁IP"和"解除封禁"
     if (m_CList_Message.GetSelectedCount() == 0) {
         menu.EnableMenuItem(ID_MSGLOG_DELETE, MF_GRAYED);
         menu.EnableMenuItem(ID_MSGLOG_COPY, MF_GRAYED);
         menu.EnableMenuItem(ID_MSGLOG_LOGIN_NOTIFY, MF_GRAYED);
         menu.EnableMenuItem(ID_MSGLOG_BAN_IP, MF_GRAYED);
+        menu.EnableMenuItem(ID_MSGLOG_UNBAN_IP, MF_GRAYED);
     }
     // PowerShell不可用时禁用"上线提醒"
     if (!GetNotifyManager().IsPowerShellAvailable()) {
@@ -9623,6 +9626,73 @@ void CMy2015RemoteDlg::OnMsglogBanIP()
     MessageBoxL(details, _TR("封禁IP"), MB_ICONINFORMATION);
 }
 
+void CMy2015RemoteDlg::OnMsglogUnbanIP()
+{
+    // Get selected log messages and extract IP addresses from them
+    std::vector<std::string> ipsToProcess;
+
+    POSITION pos = m_CList_Message.GetFirstSelectedItemPosition();
+    while (pos) {
+        int row = m_CList_Message.GetNextSelectedItem(pos);
+        CString msgText = m_CList_Message.GetItemText(row, 2);
+
+        CString extractedIP;
+        if (ExtractFirstIPFromMessage(msgText, extractedIP)) {
+            std::string ipUtf8 = CT2A(extractedIP, CP_UTF8);
+            ipsToProcess.push_back(ipUtf8);
+        }
+    }
+
+    if (ipsToProcess.empty()) {
+        MessageBoxL("所选日志消息中未检测到有效的 IP 地址", "提示", MB_ICONINFORMATION);
+        return;
+    }
+
+    int unblacklistedCount = 0;
+    int clientRestoredCount = 0;
+
+    for (const auto& ip : ipsToProcess) {
+        // 1. Remove from IP blacklist
+        if (IPBlacklist::getInstance().IsBlacklisted(ip)) {
+            IPBlacklist::getInstance().RemoveIP(ip);
+            unblacklistedCount++;
+        }
+
+        // 2. Find all clients matching this IP and restore AUTH_FORBIDDEN to UNAUTHORIZED
+        for (const auto& kv : m_ClientMap->GetAll()) {
+            if (strcmp(kv.second.IP, ip.c_str()) == 0
+                && kv.second.Authorized == AUTH_FORBIDDEN) {
+                m_ClientMap->SetClientMapInteger(kv.first, MAP_AUTH, UNAUTHORIZED);
+                clientRestoredCount++;
+            }
+        }
+    }
+
+    // Persist
+    if (unblacklistedCount > 0) {
+        std::string blacklistStr = IPBlacklist::getInstance().Export();
+        THIS_CFG.SetStr("settings", "IPBlacklist", blacklistStr.c_str());
+    }
+    if (clientRestoredCount > 0) {
+        m_ClientMap->SaveToFile(GetDbPath());
+    }
+
+    // Build result message
+    CString details;
+    if (unblacklistedCount > 0) {
+        details.AppendFormat(_TR("已将 %d 个 IP 从黑名单移除"), unblacklistedCount);
+    }
+    if (clientRestoredCount > 0) {
+        if (!details.IsEmpty()) details += _T("\n");
+        details.AppendFormat(_TR("已恢复 %d 个客户端的授权状态"), clientRestoredCount);
+    }
+    if (unblacklistedCount == 0 && clientRestoredCount == 0) {
+        details = _TR("未找到需要解除封禁的 IP");
+    }
+
+    MessageBoxL(details, _TR("解除封禁"), MB_ICONINFORMATION);
+}
+
 void CMy2015RemoteDlg::OnOnlineAddWatch()
 {
     EnterCriticalSection(&m_cs);