- Add a project storage utility with scoped key helpers and key inventories for global vs project state
- Scope dashboard/task view, list preferences, quick-entry drafts, agent/tree state, terminal tabs, usage view, and modal draft persistence to projectId
- Reload persisted UI state when project context changes so per-project settings and drafts do not leak across projects
- Update and expand dashboard tests, including new projectStorage coverage and scoped persistence regression fixes
- Add GET /agents/:id/children API endpoint to fetch child agents of a parent
- Create fetchAgentChildren API function with tests in dashboard client
- Implement useAgentHierarchy hook with recursive tree loading and expand/collapse
- Add tree view mode to AgentsView with hierarchical agent display
- Enhance AgentDetailView with parent info and expandable children section
- Add tree view CSS styles for connection lines and expand/collapse indicators
