2a278a612a
Implement all main frontend views for the MITRE ATT&CK coverage platform: - T-026: Dashboard with coverage summary cards and tactic breakdown table - T-027: Interactive ATT&CK matrix with filtering by status, tactic, platform - T-028: Technique detail page with tests, intel items, and review actions - T-029: Test creation form with technique selector and validation - T-030: Test detail page with drag and drop evidence upload and download - T-031: System admin panel with MITRE sync and intel scan controls New components: CoverageSummaryCard, TacticCoverageChart, AttackMatrix, TechniqueCell, TestForm, EvidenceUpload, EvidenceList New API modules: metrics.ts, techniques.ts, tests.ts, evidence.ts, system.ts All views use TanStack Query for data fetching with proper loading and error states. Role-based UI controls for admin/lead actions. Co-authored-by: Cursor <cursoragent@cursor.com>