Resolve keybinding precedence across commands

- Evaluate shortcut matches by resolving the last matching key+when rule, regardless of command
- Add cross-command precedence tests and switch assertions to `vitest` `assert`
- Clarify precedence behavior in `KEYBINDINGS.md`
1c80b4f1feJulius Marminge committed on 2/15/2026, 8:00:53 PMparent5fac591
3 files changedLine totals unavailable