Commit 6d0b1bb (Feat: Add privilege column) inserted ONLINELIST_PRIVILEGE
at enum value 9, shifting INSTALLTIME from 9→10 and PATH from 12→13.
However, FileUpload_Lib (SimplePlugins) is compiled against a separate
copy of context.h that still uses the old enum values. Since
HostInfo.cpp's SaveClientMapData uses OLD enum values to read
sClientInfo[], it was reading privilegeStr for InstallTime and client
type for ProgramPath — corrupting the history host database.
Fix: move ONLINELIST_PRIVILEGE to value 16 (just before MAX), restoring
all original enum values (INSTALLTIME=9, PATH=12, etc.) so the
pre-built library can continue reading correct data without recompilation.
The 'permission' column now appears as the rightmost column in the
online host list instead of between 'version' and 'install time'.
Co-Authored-By: DeepSeek V4 Pro
Server sends COMMAND_SCREEN_PREVIEW_REQ when user double-clicks an
active (non-Locked/Inactive) host that advertises CLIENT_CAP_SCREEN_PREVIEW.
Client BitBlts primary screen, encodes to JPEG via GDI+ and replies. The
existing STATIC tooltip is replaced with a self-drawn CPreviewTipWnd
showing the thumbnail above the host info text, with wide-character
rendering so the popup also works on non-Chinese servers.
- Quality tiers reuse QualityProfile pattern: PreviewProfile + 6 levels
driven by GetTargetQualityLevel (FRP-aware), with 4K/ultrawide auto
upscale on Ultra/High tiers up to min(screenWidth/4, 1280).
- Client limits to 1 in-flight capture via atomic counter to defend
against flood/DoS; Send2Server is already mutex-serialized.
- Server validates responses by reqId only (single in-flight tip);
4s arrival timeout marks "preview unavailable" without blocking the
text fallback path.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
