[majd-tqe]

Summary

• Add a persistent composer setting to show the five-hour quota, the weekly quota, or both, while preserving weekly as the default.
• Display separately labelled quota bars with remaining percentages and reset-time tooltips; share usage polling between active composers.
• Style the selector like the existing Network proxy control and document it in English and Chinese.

Testing

• pnpm run check (typecheck, 241 tests, and build)