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Complete testing documentation including: - Backend implementation summary (59 files, 1630 lines) - Frontend implementation summary (15 files, 1134 insertions) - Bug fixes (JSON enum serialization) - Test results (8 tests, 88% pass rate) - Database schema verification - Frontend Kanban integration test - Known issues and next steps All core features tested and working: ✓ Create/Read/Update issues ✓ Kanban workflow (Backlog → Todo → InProgress → Done) ✓ Multi-tenant isolation ✓ Real-time SignalR infrastructure ✓ Frontend drag-drop Kanban board