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feat(computer): improve Linux headless display quality#88

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quanru wants to merge 9 commits intomainfrom
feat/improve-linux-display-quality
Open

feat(computer): improve Linux headless display quality#88
quanru wants to merge 9 commits intomainfrom
feat/improve-linux-display-quality

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@quanru
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@quanru quanru commented Feb 28, 2026

Summary

  • Increase Xvfb virtual display resolution from default 1920x1080 to 2560x1440 for larger and sharper screenshots
  • Add fluxbox window manager to provide proper window decorations (title bars, borders) on headless Linux
  • Install GTK themes (Adwaita, gnome-themes-extra), Noto CJK fonts, and dbus-x11 so the UI renders like a real Linux desktop

Test plan

  • Verify the CI workflow runs successfully on the new branch
  • Check the uploaded report screenshots for improved resolution and window decorations

- Increase Xvfb resolution from default 1920x1080 to 2560x1440x24
- Add fluxbox window manager for proper window decorations
- Install GTK themes (adwaita, gnome-themes-extra) for native UI styling
- Add Noto CJK fonts for proper CJK character rendering
- Add dbus-x11 for GTK application support
- Add aiWaitFor verification after each navigation step to catch failures early
- Split conditional "Turn on" action and confirmation dialog into separate steps
- Wait for "Browse" button to be visible before clicking it
- Increase sleep times between UI interactions
- Set MIDSCENE_REPLANNING_CYCLE_LIMIT=40 as safety net
--start-maximized Electron flag doesn't work with fluxbox. Use xdotool
to find the Obsidian window and resize it to fill the entire screen.
Write ~/.fluxbox/apps config before starting fluxbox so all windows
launch maximized automatically. This eliminates the need to manually
click maximize buttons or double-click title bars.
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