- Improve Mission Manager mobile behavior with wrapped headers/actions, 44px icon touch targets, overflow guards, and safe-area padding
- Refine planning and subtask modal mobile UX with touch-friendly drag/action controls, compact progress/layout spacing, and 16px form inputs to prevent iOS zoom
- Update model selection mobile styles to use constrained dropdown sizing and larger tappable options across 768px/640px breakpoints
- Add mission-planning-modals-mobile CSS tests that assert key mobile rules for Mission Manager, Subtask Breakdown, Planning Mode, and model combobox interactions