Add v0.9.5 changelog entry for in-app update notes

Update version.json for v0.9.5

Fix 17 bugs from comprehensive codebase audit

Fix mobile scrollbar and subprocess pipe timeout

Add v0.9.4 changelog entry for in-app update notes

Update version.json for v0.9.4

Fix 13 issues: thread safety, process cleanup, error handling

Launch docs and release hardening

Update project links for baahaus rename

Fix tracker, pane, and memory cleanup bugs

Fix 6 bugs: update alert URL, duplicate timers, hotkey activation, observer leaks, pipe leak, version badge

Revert icon to pixel art birds with background, cropped to square

Pre-launch prep: LICENSE, og:image, README hero screenshot, social posts

Cache-bust icons, remove pixelated rendering from all pages

Remove background from logo (transparent, no blue fringe)