- Update reflection trigger API typing to allow null responses from manual generation
- Handle null results in AgentReflectionsTab with a clear insufficient-history toast
- Normalize reflection trigger errors to show specific UX for deleted agents and insufficient history
- Return a clear 500 error when manual reflection generation yields no reflection payload
- Expand dashboard reflection route/UI tests to lock in null and not-found regression behavior
- Add API routes for agent reflections (GET, POST, DELETE)
- Create AgentReflectionsTab component with reflection list and form
- Integrate reflections tab into AgentDetailView
- Add CSS styles for the reflections tab UI
- Write tests for API routes and component