fix(trayicon): wait for system tray availability on startup

[TimeToBuildBob]

Summary

• Instead of immediately exiting when the system tray isn't available, polls for up to 30 seconds
• Calls app.processEvents() during the wait so Qt can detect when the tray becomes available
• Falls back to the original error dialog if the tray never appears
• Fixes the issue on KDE Plasma (and similar DEs) where autostart programs launch before the panel is loaded

Test plan

• On KDE Plasma with aw-qt in autostart, verify it waits and successfully starts
• On a system with a system tray, verify no delay (the check passes immediately)
• On a headless system with no tray, verify it exits after 30s with the error dialog

Fixes #97

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Important

Poll for system tray availability for up to 30 seconds on startup in run() in trayicon.py, addressing KDE Plasma startup issues.

• Behavior:
  • In run() in trayicon.py, poll for system tray availability for up to 30 seconds on startup.
  • Call app.processEvents() during the wait to detect tray availability changes.
  • Exit with error dialog if tray is unavailable after 30 seconds.
• Environment:
  • Fixes startup issue on KDE Plasma where autostart programs launch before the panel is loaded.

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[ellipsis-dev]

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[greptile-apps]

Greptile Summary

Replaces immediate failure when system tray is unavailable with a 30-second polling mechanism. The implementation calls app.processEvents() during each 1-second interval to allow Qt to detect when the tray becomes available, solving the KDE Plasma autostart timing issue where the panel loads after applications start.

Key changes:

• Added polling loop that checks every second for up to 30 seconds
• Calls app.processEvents() to enable Qt event processing during the wait
• Logs when tray becomes available and how long it took
• Falls back to original error dialog if tray never appears
• Properly uses for-else construct to handle timeout case

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The implementation is straightforward and well-contained. The polling logic is sound, includes appropriate logging, and maintains backward compatibility by falling back to the original error behavior. The use of app.processEvents() is necessary and safe at this point in the startup sequence. No security, performance, or logic issues identified.
• No files require special attention

Important Files Changed

Filename	Overview
aw_qt/trayicon.py	Added polling mechanism to wait up to 30 seconds for system tray availability on startup, preventing immediate failure on slow-loading desktop environments

_{Last reviewed commit: f071fe0}

[greptile-apps]

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[ErikBjare]

30s seems like a lot? 10s should be more than enough

[TimeToBuildBob]

Good call — reduced to 10s in 81b5ef6.