- Add compose button to Agents tab for composing messages to agents
- Compose pre-fills recipient when agent is selected, shows dropdown otherwise
- After send, user stays on Agents tab and selected agent is preserved
- Add 4 regression tests for new compose contract
- Add CSS for mailbox-agents-header layout
- Add semantic CSS custom property tokens to :root for theme-aware colors
- Replace hardcoded colors in MailboxModal with semantic tokens
- Replace hardcoded colors in mission components with semantic tokens
- Replace hardcoded colors in terminal and model combobox with semantic tokens
- Add light theme overrides for new semantic tokens
- Add MailboxModal CSS regression tests for theme awareness
- Document semantic token naming convention in memory
- Move the overflow planning badge into a dedicated icon wrapper to prevent text overlap on mobile
- Add Header test coverage for active planning sessions in the mobile overflow menu
- Scope mailbox mobile CSS rules to .mailbox-modal to avoid global style bleed
- Refine mobile mailbox spacing, tab sizing, and minimum agent panel height for better small-screen usability
- Add flex-column base layout for .mailbox-modal and make .mailbox-content grow/scroll correctly
- Introduce a dedicated <=768px mailbox mobile CSS section for header, tabs, detail view, and FAB spacing
- Add MailboxModal regression tests that assert required CSS rules and detail-view structural hooks
- Increase batch GitHub issue import route test timeout to 30s for slower retry paths in CI
