## Why
Wrapping navigation and contextual hints can shift report content as the displayed state changes, especially on narrow terminals.
## What changed
- Use compact report tabs, fixed control rows, and two footer hint rows to keep report geometry stable.
- Show the account plan in the `Usage` heading and move date ranges, grouping, model filters, sort controls, and update timestamps above reports.
- Add scrollable `?` help with an independent scroll position, preserving report selection, expanded details, and reading position when dismissed.
- Share control availability between keyboard actions and help, and preserve configured keybindings when they conflict with the help shortcut.
## Testing
Add regression coverage for stable tabs after request failures, help state preservation, dashboard selection scrolling, date and update-time controls, and custom keybinding precedence. Update layout snapshots for the revised navigation and narrow help view.
GitOrigin-RevId: ab89ed2fd346171362f487c64af7206d9123859a
Eric Traut
46f7d99d0e