Wire up the activity_toggle keybind (Ctrl+O) to show/hide the activity
panel via new activityVisible store state. Fix terminal garbage text on
exit by draining stdin after renderer teardown to consume pending
DECRQM mode 997 responses before they echo in the shell.
- Add Pink Purple theme (hot pink/purple/magenta on dark plum background)
- Fix race condition where clearPastedImages() in input-area ran before
the async message handler could read the images, silently dropping them
- Allow @ file picker and / command menu to trigger at any cursor position,
not just when the input is empty
- Update CHANGELOG and README with new changes
- CHANGELOG.md: Add version sections for 0.2.x and 0.3.0, add known
issues and planned features linking to GitHub issues #111-#115
- CONTRIBUTING.md: Update prerequisites to Bun, fix file structure
to reflect tui-solid migration, update commands to use bun
- README.md: Add version badges, roadmap section with v0.4.0 plans,
known issues section, and recent changes summary
