Task Completion Notification
Priority: P2
Issue: #6084
Remaining Work
- Show VS Code toast when session transitions to "complete" or "awaiting input" while panel is hidden
- Use
showInformationMessage() for task completion, showWarningMessage() for permission requests
- Add a setting to enable/disable notifications (default: on)
- Notifications should include a "Show" button that focuses the webview panel
- Only fire when
KiloProvider.panel.visible is false