clearCurrentProject was triggering auto-reselect in useCurrentProject,
making the Projects button ineffective for single-project users. Added
explicit-clear flag to suppress auto-select. Also changed mobile overflow
menu to show Projects for single-project users (was gated to 2+ projects).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add project API routes for multi-project backend integration
- Create useProjects hook for listing and managing registered projects
- Create useCurrentProject hook for current project selection and switching
- Create useProjectHealth hook for real-time project health metrics
- Create useActivityLog hook with ActivityLogModal integration
- Add comprehensive test coverage for all hooks (useProjects, useCurrentProject, useActivityLog)
- Add test setup utilities for React Query mocking
