- Add semantic neutral surface tier tokens in root and light-theme blocks for subtle, muted, emphasis, and stronger hover states
- Replace Git Manager light-theme hardcoded neutral rgba backgrounds with surface tokens and token-based color-mix accent states
- Add dedicated Git Manager theme styling tests to guard token usage and prevent regressions to raw rgba values
- Expand status color/theme token tests and stabilize SettingsModal navigation selectors used by related test coverage