Add .t3 keybindings and initial local runtime state files

- add default `.t3/keybindings.json` for terminal/chat/editor/diff shortcuts
- include initial provider log files and SQLite state artifacts under `apps/server/.t3`
b1584fab8fJulius Marminge committed on 2/27/2026, 5:26:35 AM· committed by Julius Marmingeparent7180840
6 files changedLine totals unavailable