Add comprehensive test coverage for projects list components:
- ProjectCard.test.tsx: Card rendering, status badges, actions menu
- ProjectFilters.test.tsx: Search, filters, view mode toggle
- ProjectsGrid.test.tsx: Grid/list layout, loading, empty states
30 tests covering rendering, interactions, and edge cases.
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
