- Redesign the task Routing tab with effective-node summary rows, unhealthy node signaling, and direct per-task override selection
- Add robust override update handling (loading/saving states, stale-task guards, clear override action, and in-progress lock messaging)
- Extend TaskCard execution time indicator behavior to in-review cards and add focused regression coverage
- Refresh dashboard tests and styling for routing and node-status presentation, and remove an unused remote settings API import
- Add a reusable ProjectNodeSelector component and hook RoutingTab to it for per-task node overrides
- Move default node and unavailable-node policy controls into the dedicated Node Routing settings section
- Add descriptive routing guidance text and project-level note in SettingsModal
- Expand dashboard tests for routing tab behavior and node routing settings UX
