feat(frontend): c2 config card + execute modal (sprint 8 phase 1)
- frontend/src/api/c2.ts: 6 typed API calls (getC2Config, putC2Config,
deleteC2Config, testC2Config, listCallbacks, executeC2) following the
frozen M1+M2 backend contracts
- frontend/src/api/types.ts: C2Config, C2ConfigInput, C2TestResult,
C2Callback, C2CallbacksResponse, C2Task, C2ExecuteInput, C2ExecuteResponse
- frontend/src/hooks/useC2.ts: useC2Config, useUpdateC2Config,
useDeleteC2Config, useTestC2Config, useC2Callbacks, useExecuteC2
- frontend/src/components/C2ConfigCard.tsx: engagement-scoped C2 config
card (url + write-only token + verify-tls + save/delete/test-connection),
503 disabled state, ConfirmDialog on delete
- frontend/src/components/ExecuteViaC2Modal.tsx: callback picker table
(mono data cells), commands textarea pre-filled from rt.commands,
Launch disabled until row selected + non-empty commands
- frontend/src/pages/EngagementFormPage.tsx: embed C2ConfigCard in edit
mode only, admin+redteam only (canEditEngagements gate)
- frontend/src/pages/SimulationFormPage.tsx: Execute via C2 button in RT
card, visible only when !isDone && canEditRT && hasC2Config; opens modal
- Tests: 33 new tests across api/c2, components/C2ConfigCard,
components/ExecuteViaC2Modal, EngagementFormPage, SimulationFormPage
(172 total, 139 baseline + 33 new, all passing)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>