diff --git a/_docs/02_tasks/todo/AZ-460_test_annotations_endpoint.md b/_docs/02_tasks/done/AZ-460_test_annotations_endpoint.md
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diff --git a/_docs/02_tasks/todo/AZ-462_test_overlay_membership.md b/_docs/02_tasks/done/AZ-462_test_overlay_membership.md
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diff --git a/_docs/02_tasks/todo/AZ-466_test_destructive_ux.md b/_docs/02_tasks/done/AZ-466_test_destructive_ux.md
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diff --git a/_docs/02_tasks/todo/AZ-475_test_form_hygiene.md b/_docs/02_tasks/done/AZ-475_test_form_hygiene.md
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diff --git a/_docs/03_implementation/batch_04_report.md b/_docs/03_implementation/batch_04_report.md
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+# Batch Report
+
+**Batch**: 04
+**Tasks**: AZ-466 (Destructive UX policy + ConfirmDialog + no-alert), AZ-475 (Numeric form hygiene), AZ-462 (Overlay window membership), AZ-460 (Annotation save URL + payload contract)
+**Date**: 2026-05-11
+**Cycle**: Phase A baseline, Step 6 — Implement Tests
+**Total complexity**: 10 pts (4 + 2 + 2 + 2)
+
+## Task Results
+
+| Task | Status | Files Modified | Tests | AC Coverage | Issues |
+|------|--------|---------------|-------|-------------|--------|
+| AZ-466_test_destructive_ux | Done | 2 created (1 ConfirmDialog unit + 1 cross-component); 1 e2e created; 1 modified (`tests/security/banned-deps.json` adds `alert_calls` + `destructive_surfaces`); 1 modified (`scripts/check-banned-deps.mjs` + `scripts/run-tests.sh` add STC-SEC7 / STC-SEC8) | 8 fast `ConfirmDialog.test.tsx` (7 pass, 1 skipped); 4 fast `tests/destructive_ux.test.tsx` (3 pass + 1 skip QUARANTINE incl. 2 `it.fails()`); 2 e2e `e2e/tests/destructive_ux.e2e.ts` (both `test.fail`); 2 new static checks (PASS) | 5 / 5 ACs covered | 5 documented drifts: ConfirmDialog missing 4 a11y attrs (`role="dialog"`, `aria-modal`, `aria-labelledby`, `aria-describedby`); no focus trap; AdminPage class-delete bypasses ConfirmDialog (file in `destructive_surfaces.drift`); `alert()` allowlist seeded with 4 production callsites (Phase B drains it) |
+| AZ-475_test_form_hygiene | Done | 1 created (`tests/form_hygiene.test.tsx`) | 3 fast (2 pass, including 1 control + 1 `it.fails()` per AC) | 2 / 2 ACs covered | 2 documented drifts: `<label>` lacks `htmlFor`; `parseInt(v) \|\| 0` silently coerces empty/non-numeric to 0 and PUTs |
+| AZ-462_test_overlay_membership | Done | 1 created (`tests/overlay_membership.test.tsx`) | 6 fast (5 pass, including 2 `it.fails()` for AC-1 inclusive boundary) | 3 / 3 ACs covered | 1 documented drift: `getTimeWindowDetections` uses strict `<` instead of `<=`; AC-1 boundary tests are `it.fails()` until production lifts the operator |
+| AZ-460_test_annotations_endpoint | Done | 1 created (`tests/annotations_endpoint.test.tsx`); 1 e2e created (`e2e/tests/annotations_endpoint.e2e.ts`); 1 modified (`tests/msw/handlers/annotations.ts` doubly-prefixed paths); 1 modified (`tests/msw/handlers/flights.ts` plural `aircrafts` paths) | 6 fast (4 pass, 2 skipped QUARANTINE, including 1 `it.fails()` for AC-2 payload shape); 3 e2e (1 skip-on-no-seed, 2 `test.fail` for AC-2) | 3 / 3 ACs covered | 2 documented drifts: save body sends only `{mediaId, time, detections}` instead of the 6-field wire contract `{Source, WaypointId, videoTime, mediaId, detections, status}`; AI-suggestion-accept and bulk-edit-save entry points wholly absent in production (`it.skip` QUARANTINE) |
+
+## AC Test Coverage: All covered (13 / 13 ACs across the four tasks)
+
+### AZ-466 — Destructive UX policy (5 ACs, 14 scenarios)
+
+| Scenario | Where | Profile | Status |
+|----------|-------|---------|--------|
+| AC-1 / FT-P-04 (ConfirmDialog `role="dialog"` + aria-modal) | `src/components/ConfirmDialog.test.tsx` | fast | `it.fails()` — both attrs missing |
+| AC-1 / FT-P-05 (ConfirmDialog labeled by title via aria-labelledby + described by message) | same | fast | `it.fails()` — neither attr today |
+| AC-1 / FT-P-06 (Escape key closes dialog) | same | fast | PASS — production already calls onClose on Escape |
+| AC-1 / focus-trap (Tab cycles within dialog) | same | fast | `it.skip` QUARANTINE — no trap implemented |
+| AC-1 / control: dialog renders (positive sanity) | same | fast | PASS |
+| AC-1 / control: confirm/cancel callbacks fire | same | fast | PASS |
+| AC-1 / control: hidden when closed | same | fast | PASS |
+| AC-2 / FT-P-26 (Delete → Confirm → DELETE fires) | `tests/destructive_ux.test.tsx` + `e2e/tests/destructive_ux.e2e.ts` | fast + e2e | `it.fails()` (fast) + `test.fail` (e2e) — AdminPage bypasses ConfirmDialog |
+| AC-2 / FT-N-07 (Delete → Cancel → no DELETE) | same | fast + e2e | `it.fails()` + `test.fail` |
+| AC-2 / control: production today deletes immediately | `tests/destructive_ux.test.tsx` | fast | PASS — pins drift |
+| AC-3 / no `alert()` outside allowlist | `scripts/run-tests.sh::STC-SEC7` → `check-banned-deps.mjs --kind=alert_calls` | static | PASS (allowlist enforced; new alerts FAIL) |
+| AC-4 / FT-P-27 (every destructive surface gated or in drift list) | `STC-SEC8` → `--kind=destructive_surfaces` | static | PASS (3 files: 2 gated, 1 drift) |
+| AC-4 / runtime mirror (one example via class-delete) | `tests/destructive_ux.test.tsx` | fast | covered by AC-2 above |
+| AC-5 / NFT-SEC-07 (no `alert()` in `src/`) | `STC-SEC7` (allowlist) | static | PASS — static check is the gating signal |
+
+**AC summary**:
+- AC-1 ConfirmDialog a11y → 4 `it.fails()` + 1 `it.skip` + 4 controls; FT-P-06 (Escape) PASS.
+- AC-2 Delete-confirm-cancel happy path → `it.fails()` + control + e2e companion (`test.fail`).
+- AC-3 / AC-5 No `alert()` → STC-SEC7 with 4-entry allowlist (Phase B drains).
+- AC-4 Destructive surfaces enumeration → STC-SEC8 file-level heuristic (3 files: `MediaList.tsx` and `FlightsPage.tsx` gated; `AdminPage.tsx` in drift).
+
+### AZ-475 — Numeric form input rejection (2 ACs, 3 scenarios)
+
+| Scenario | Where | Profile | Status |
+|----------|-------|---------|--------|
+| AC-1 / FT-N-11 (clear → validation error + no PUT) | `tests/form_hygiene.test.tsx` | fast | `it.fails()` — silent zero today |
+| AC-1 / control: production silently coerces empty input to 0 and PUTs | same | fast | PASS — pins drift |
+| AC-2 / FT-N-12 (non-numeric → validation error + no PUT) | same | fast | `it.fails()` — same coercion path |
+
+**AC summary**:
+- AC-1 Empty input rejection → `it.fails()` + control proving `defaultCameraWidth: 0` PUTs today.
+- AC-2 Non-numeric rejection → `it.fails()` (the `<input type="number">` path swallows non-numeric chars; the helper sets the value via dispatchEvent to force the React state).
+
+### AZ-462 — Overlay membership at in-window edges (3 ACs, 6 scenarios)
+
+| Scenario | Where | Profile | Status |
+|----------|-------|---------|--------|
+| AC-1 / FT-P-14 (annotation EXACTLY on lower bound IS rendered) | `tests/overlay_membership.test.tsx` | fast | `it.fails()` — strict `<` excludes boundary |
+| AC-1 / FT-P-15 (annotation EXACTLY on upper bound IS rendered) | same | fast | `it.fails()` — same drift |
+| AC-1 / control: strict `<` excludes the boundary today | same | fast | PASS — pins drift |
+| AC-2 / FT-N-01 (annotation BEFORE lower bound NOT rendered) | same | fast | PASS |
+| AC-2 / FT-N-02 (annotation AFTER upper bound NOT rendered) | same | fast | PASS |
+| AC-2 / positive control: annotation INSIDE the window IS rendered | same | fast | PASS — proves test apparatus would observe a render |
+
+**AC summary**:
+- AC-1 Inclusive boundary → 2 `it.fails()` + control proving exclusion today.
+- AC-2 Strict exclusion outside the window → 2 PASS + positive control (apparatus sanity).
+- AC-3 Canvas-output assertion (not React state) → satisfied by mocking `HTMLCanvasElement.prototype.getContext` to capture every `strokeRect` call.
+
+### AZ-460 — Annotation save URL + payload contract (3 ACs, 6 scenarios)
+
+| Scenario | Where | Profile | Status |
+|----------|-------|---------|--------|
+| AC-1 / FT-P-07 (URL canary: `/api/annotations/annotations`) | `tests/annotations_endpoint.test.tsx` + `e2e/tests/annotations_endpoint.e2e.ts` | fast + e2e | PASS (fast) — production already POSTs the doubly-prefixed URL; e2e gated by suite stack |
+| AC-2 / FT-P-08 (required-fields: Source, WaypointId, videoTime, mediaId, detections, status) | same | fast + e2e | `it.fails()` + `test.fail` — production sends only `{mediaId, time, detections}` |
+| AC-2 / control: production sends partial body (`{mediaId, detections}`) | `tests/annotations_endpoint.test.tsx` | fast | PASS — pins drift |
+| AC-3 / manual-draw / select-existing entry point | same + e2e | fast + e2e | PASS — exercises the only wired entry point |
+| AC-3 / AI-suggestion-accept entry point | same | fast | `it.skip` QUARANTINE — no production path today |
+| AC-3 / bulk-edit-save entry point | same | fast | `it.skip` QUARANTINE — no production path today |
+
+**AC summary**:
+- AC-1 URL canary → PASS for the only wired save path; e2e companion gated.
+- AC-2 Required fields → `it.fails()` for the missing 4 fields; control pins the partial-body drift.
+- AC-3 Multi-entry-point coverage → 1 PASS for manual-draw + 2 `it.skip` QUARANTINE for unimplemented paths (test shape documented in skip comments).
+
+## Code Review Verdict: PASS_WITH_WARNINGS
+
+Self-review walked inline per `.cursor/skills/code-review/SKILL.md` phases 1–7.
+
+- **Phase 1 (Context)**: 4 task specs re-read; `_docs/02_document/module-layout.md` Blackbox Tests envelope respected; reuses helpers from AZ-456 (`tests/helpers/{render,auth}.ts`) and fixtures (`seed_users`, `seed_flights`). No new shared helpers introduced — the form-hygiene file inlines a small `inputForLabel(...)` DOM-traversal helper because SettingsPage's labels lack `htmlFor` (drift documented in the test header).
+- **Phase 2 (Spec compliance)**: every AC across the four task specs has at least one test (running, `it.fails()`, or `it.skip` with QUARANTINE reason). Drift handling uniform with batches 1–3: `it.fails()` for documented production drift (attribute/operator/payload-field exists in spec but absent in code); `it.skip` for behavior wholly absent (AI-suggestion-accept save, bulk-edit save, focus trap inside ConfirmDialog).
+- **Phase 3 (Code quality)**: `check-banned-deps.mjs`'s new `checkDestructiveSurfaces` is a single function with one responsibility (file-level heuristic comparing `gated` ∪ `drift` against the live filesystem); `tests/security/banned-deps.json` `alert_calls` and `destructive_surfaces` sections each have an `ac:` field, a `scope:` field, an explicit `match:` description, and inline `$*_comment` hooks for code review; the test files use Arrange/Act/Assert structure consistently; no bare `catch` blocks; no error suppression.
+- **Phase 4 (Security)**: no new secrets in test fixtures (reuses AZ-457's `test-bearer-default`); the AZ-466 changes strengthen security posture (every `alert()` and every destructive surface is now allowlisted and code-review-visible); the new static checks fail-closed on additions; the `check-banned-deps.mjs` walks files and runs ripgrep / regex over them — no execution of test inputs.
+- **Phase 5 (Performance)**: fast suite **5.5 s wall-clock** for 80 + 13-skipped tests across 14 files (was 4.4 s for 57 + 9 skipped in batch 3 — +1.1 s for 23 new tests, well under the 5 min budget). Static profile **~16 s** for 24 checks (was 12 s for 22 in batch 3; +4 s primarily from the two new STC-SEC7 / STC-SEC8 checks reading `tests/security/banned-deps.json`). The `it.fails()` tests each consume ~1 s waiting for the assertion to NOT match — same shape as batches 1–3, acceptable.
+- **Phase 6 (Cross-task consistency)**: the four tasks touch **disjoint** subsystems (ConfirmDialog + AdminPage destructive UX vs SettingsPage form hygiene vs CanvasEditor overlay vs AnnotationsPage save). Shared surface = `tests/helpers/`, `tests/fixtures/`, `tests/msw/`, `tests/security/banned-deps.json` — all consumed read-only or strictly extended (new sections, never modifying existing ones). No contract collisions; no duplicate symbols.
+- **Phase 7 (Architecture compliance)**:
+  - Test files import only public seams:
+    - `src/components/ConfirmDialog.test.tsx`: `ConfirmDialog` default export.
+    - `tests/destructive_ux.test.tsx`: `AdminPage` default export.
+    - `tests/form_hygiene.test.tsx`: `SettingsPage` default export.
+    - `tests/overlay_membership.test.tsx`: `CanvasEditor` default export + `AnnotationSource`/`AnnotationStatus`/etc. enums (public types).
+    - `tests/annotations_endpoint.test.tsx`: `AnnotationsPage` default export + `FlightProvider` (public symbol on `FlightContext.tsx`) + public enums.
+  - No imports of `*.internal.*` files, no reaching into other components' private files.
+  - E2E tests don't import any production modules — Playwright primitives only (consistent with batches 1–3).
+  - No new cyclic module dependencies introduced.
+  - Test setup: `tests/setup.ts` gained two no-op JSDOM polyfills (`ResizeObserver` and `EventSource`). These are environment polyfills (not production code workarounds), and per-test installations of richer stubs (e.g. `tests/sse_lifecycle.test.tsx`'s EventSource fake) override + restore — verified by re-running batch 3's SSE suite alongside the new tests with no regressions.
+
+### Findings
+
+1. **Low / Maintainability / Drift** — AZ-466 AC-1 four ConfirmDialog a11y attributes (`role="dialog"`, `aria-modal`, `aria-labelledby`, `aria-describedby`) are missing today; FT-P-04 / FT-P-05 are `it.fails()`. The Escape handler exists (FT-P-06 PASSes), but no focus trap (`it.skip` QUARANTINE). **Recommendation**: file `feat(confirm-dialog): a11y attrs + focus trap` in Phase B. Touches one file (`src/components/ConfirmDialog.tsx`); should also localize the title via `t()` if the existing copy is hard-coded.
+
+2. **Low / Maintainability / Drift** — AZ-466 AC-4 `AdminPage.handleDeleteClass` calls `api.delete` without ConfirmDialog. The file is recorded in `tests/security/banned-deps.json::destructive_surfaces.drift` to keep the static check passing while making the gap visible in code review. **Recommendation**: `feat(admin): gate class-delete via ConfirmDialog` — moves `src/features/admin/AdminPage.tsx` from `drift` to `gated` and flips FT-P-26 / FT-N-07 from `it.fails()` to PASS.
+
+3. **Low / Maintainability / Drift** — AZ-466 AC-3 / AC-5 `alert()` allowlist contains 4 callsites (`MediaList.tsx`, `FlightsPage.tsx`, `JsonEditorDialog.tsx`, `flightPlan.tsx`). Each is a per-feature blocker dialog or validation message that should migrate to a non-blocking toast or an inline error. **Recommendation**: 4 small Phase B tasks (one per file), each removing one allowlist entry — measurable progress.
+
+4. **Low / Maintainability / Drift** — AZ-475 AC-1 silent-zero coercion AND `<label>` without `htmlFor`. Two related drifts in the same file (`SettingsPage.tsx`). **Recommendation**: combined Phase B task `feat(settings): numeric input validation + label association` that lands a `useNumericField()` hook (or equivalent) and adds `id`/`htmlFor` so screen readers and `getByLabelText` both work.
+
+5. **Low / Maintainability / Drift** — AZ-462 AC-1 strict `<` in `getTimeWindowDetections` → boundary annotations are dropped. **Recommendation**: one-character production change (`<` → `<=`) + flip FT-P-14/15 from `it.fails()` to PASS. Confirm with the suite annotations service that `lowerBound` and `upperBound` are inclusive on the wire.
+
+6. **Low / Architecture / Drift** — AZ-460 AC-2 save body shape (4 missing fields). The fields touch the wire contract; the suite annotations service must be checked to see what it expects today. **Recommendation**: a Phase B task `feat(annotations-save): emit Source/WaypointId/videoTime/status` that lifts the body shape. May require a coordinated change with the annotations service if the server today happily accepts the partial body.
+
+7. **Low / Architecture / Drift** — AZ-460 AC-3 only one save entry point exists. The AI-suggestion-accept and bulk-edit-save paths are documented in `it.skip` QUARANTINE comments with the test shape they should take when the production paths land. **Recommendation**: 2 Phase B feature tasks (AI-accept, bulk-edit) — the test side is ready to be activated by removing the `.skip`.
+
+8. **Low / Architecture / Drift (test infrastructure)** — `tests/msw/handlers/annotations.ts` and `tests/msw/handlers/flights.ts` both gained doubly-prefixed / plural paths (`/api/annotations/annotations`, `/api/flights/aircrafts`) to match what production callers actually use. The single-prefix paths are kept for backward compatibility with batch 1–3 tests. **Recommendation**: Phase B tracker entry `chore(test-infra): drop the single-prefix annotation/flight paths` once production has been confirmed to use only the doubly-prefixed/plural shapes everywhere.
+
+9. **Low / Architecture / Drift (test infrastructure)** — `tests/msw/handlers/admin.ts` `/api/admin/users` returns `paginate(seedUsers)` while `AdminPage` reads it as a flat `User[]`. The destructive-UX test override returns `[]` (flat) to keep AdminPage from crashing. **Recommendation**: confirm whether the suite admin service emits a flat array or a paginated payload, then align the MSW default with production. Either way, file as `chore(admin-handler): align msw with prod /admin/users shape`.
+
+10. **Low / Architecture / Interpretation (carried over from batches 1–3)** — Test helpers (`tests/helpers/{render,auth,sse-mock}.ts`) and the polyfills in `tests/setup.ts` import / patch production accessors. Reaffirmed per the batch-1 / 2 / 3 rule: "Black-box discipline applies to test bodies, not to test setup helpers / composition-root wrappers / consumer-pattern mirrors". The polyfills are JSDOM environment plumbing (no-op stubs for browser APIs JSDOM doesn't ship), not production-code workarounds.
+
+## Auto-Fix Attempts: 0
+## Stuck Agents: None
+
+## Files Changed (10)
+
+### Created — `src/` (1)
+```
+src/components/ConfirmDialog.test.tsx     # AZ-466 fast — 8 tests (1 skipped)
+```
+
+### Created — `tests/` (3)
+```
+tests/destructive_ux.test.tsx              # AZ-466 fast — 4 tests (1 skipped)
+tests/form_hygiene.test.tsx                # AZ-475 fast — 3 tests
+tests/overlay_membership.test.tsx          # AZ-462 fast — 6 tests
+tests/annotations_endpoint.test.tsx        # AZ-460 fast — 6 tests (2 skipped)
+```
+
+### Created — `e2e/tests/` (2)
+```
+e2e/tests/destructive_ux.e2e.ts            # AZ-466 e2e — 2 scenarios (both test.fail)
+e2e/tests/annotations_endpoint.e2e.ts      # AZ-460 e2e — 3 scenarios (1 skip-on-no-seed, 1 test.fail)
+```
+
+### Modified (5)
+```
+tests/setup.ts                             # JSDOM polyfills: NoopResizeObserver, NoopEventSource
+tests/security/banned-deps.json            # New sections: alert_calls (4-entry allowlist) + destructive_surfaces (2 gated, 1 drift)
+scripts/check-banned-deps.mjs              # New checkDestructiveSurfaces; allowlist support in checkSourceTree; main() routing
+scripts/run-tests.sh                       # Add STC-SEC7 (no-alert) + STC-SEC8 (destructive surfaces)
+tests/msw/handlers/annotations.ts          # Add doubly-prefixed annotation/settings/classes handlers (production shape)
+tests/msw/handlers/flights.ts              # Add plural /api/flights/aircrafts handlers (production shape)
+_docs/_autodev_state.md                    # Batch 4 sub_step pointer + notes
+```
+
+(File count = 4 created in `tests/` + 1 created in `src/` + 2 created in `e2e/tests/` + 5 modified + 2 MSW handlers modified = 14 file touches; uniqueness count is 12 — `tests/msw/handlers/annotations.ts` and `tests/msw/handlers/flights.ts` are extensions of existing files.)
+
+## Verification Run (host)
+
+```
+$ bun run test:fast
+ ✓ tests/infrastructure.test.ts (5 tests) 53ms
+ ✓ src/api/client.test.ts (9 tests) 61ms
+ ✓ tests/sse_lifecycle.test.tsx (9 tests | 1 skipped) 74ms
+ ✓ src/auth/AuthContext.test.tsx (4 tests) 249ms
+ ✓ src/components/Header.test.tsx (6 tests | 1 skipped) 302ms
+ ✓ src/components/ConfirmDialog.test.tsx (8 tests | 1 skipped) 285ms
+ ✓ tests/wire_contract.test.ts (11 tests | 2 skipped) 8ms
+ ✓ tests/i18n.test.tsx (4 tests | 2 skipped) 4ms
+ ✓ tests/annotations_endpoint.test.tsx (6 tests | 2 skipped) 523ms
+ ✓ src/auth/ProtectedRoute.test.tsx (12 tests | 3 skipped) 1101ms
+ ✓ mission-planner/src/test/jsonImport.test.ts (6 tests) 5ms
+ ✓ tests/overlay_membership.test.tsx (6 tests) 2137ms
+ ✓ tests/form_hygiene.test.tsx (3 tests) 2351ms
+ ✓ tests/destructive_ux.test.tsx (4 tests | 1 skipped) 2342ms
+
+ Test Files  14 passed (14)
+      Tests  80 passed | 13 skipped (93)
+
+$ ./scripts/run-tests.sh --static-only
+[run-tests] static profile PASSED — 24/24 checks (was 22 in batch 3; +2 from batch 4: STC-SEC7, STC-SEC8)
+
+$ ./scripts/run-tests.sh
+[run-tests] static profile : ran (PASS)
+[run-tests] fast profile   : ran (PASS)
+[run-tests] e2e profile    : skipped (host)
+[run-tests] exit code      : 0
+```
+
+E2E profile not exercised in this batch — same Risk 4 as batches 1–3 (requires `docker compose -f e2e/docker-compose.suite-e2e.yml up -d` plus parent-suite `:test` images). The new e2e companion files (`e2e/tests/destructive_ux.e2e.ts`, `e2e/tests/annotations_endpoint.e2e.ts`) will run on the suite stack.
+
+## Next Batch
+
+Remaining: **14 test-implementation tasks** in `_docs/02_tasks/todo/`:
+- AZ-461 (detection endpoints sync/async/long-video, 2pts)
+- AZ-463 (flight selection persistence + memory soaks, 3pts)
+- AZ-464 (bulk-validate URL + body + UI sync, 2pts)
+- AZ-469 (browser support + responsive variants, 2pts)
+- AZ-470 (panel-width debounced PUT + rehydration, 2pts)
+- AZ-471 (CanvasEditor draw/resize/multi-select/zoom/pan, 5pts)
+- AZ-472 (DetectionClasses load + hotkeys + click + fallback, 3pts)
+- AZ-473 (PhotoMode switch + auto-select + yoloId wire, 2pts) — soft dep on AZ-472
+- AZ-474 (Tile-split + YOLO parser + auto-zoom + indicator, 3pts)
+- AZ-476 (Upload 501 MB → 413 → user-visible error, 2pts)
+- AZ-477 (Settings save 500/network resilience, 3pts)
+- AZ-478 (Network offline + SSE disconnect + tainted-canvas, 3pts)
+- AZ-479 (Bundle ≤2 MB + mission-planner excluded + FCP + soak, 3pts)
+- AZ-480 (Prod image nginx:alpine + 500M + 9 routes + edge RAM, 3pts)
+
+All carry **Component**: `Blackbox Tests` and **Dependencies**: `AZ-456` (✓ done). Soft cross-dep: AZ-473 needs AZ-472's DetectionClasses fixtures.
+
+Suggested next batch (4 tasks, ~9 pts, dependency-disjoint at the file level): AZ-461 (detection endpoints, 2pts); AZ-464 (bulk-validate URL/body/sync, 2pts); AZ-470 (panel-width debounced PUT, 2pts); AZ-472 (DetectionClasses load + hotkeys, 3pts). Together they touch the detect/ endpoints, bulk dataset endpoints, useResizablePanel hook, and the DetectionClasses component — disjoint at the file level.
+
+A cumulative cross-batch review (batches 04–06) is due **after batch 6** per `implement/SKILL.md` Step 14.5 (every 3 batches). Today's per-batch self-review is recorded above; the cumulative pass will compare batches 04–06 against architecture findings F1–F9 (the same baseline used by the batches 01–03 cumulative review).
+
+Recommendation: continue in a new conversation. Batch 4 added 6 new files + 2 new static checks + 23 new fast tests + 2 new e2e files; the next batch will load distinct task specs (detect endpoints, bulk-validate, resizable-panel, DetectionClasses).
diff --git a/_docs/03_implementation/cumulative_review_batches_01-03_report.md b/_docs/03_implementation/cumulative_review_batches_01-03_report.md
new file mode 100644
index 0000000..797eafb
--- /dev/null
+++ b/_docs/03_implementation/cumulative_review_batches_01-03_report.md
@@ -0,0 +1,200 @@
+# Cumulative Code Review Report
+
+**Batches**: 01–03 (AZ-456, AZ-457/459/465/481, AZ-458/467/468/482)
+**Date**: 2026-05-11
+**Cycle**: Phase A baseline, Step 6 — Implement Tests
+**Mode**: cumulative (`/code-review` cumulative mode, all 7 phases)
+**Trigger**: implement skill Step 14.5 — every K=3 batches
+**Scope (changed files since baseline `729ad1c`)**: 60 paths
+- `tests/**` (33 created): MSW server + 9 handler files, 8 fixture files, 4 helper files, 5 test files (`infrastructure`, `wire_contract`, `i18n`, `sse_lifecycle`), `setup.ts`, `i18n-allowlist.json`, `security/banned-deps.json`
+- `src/**` (4 created): `api/client.test.ts`, `auth/AuthContext.test.tsx`, `auth/ProtectedRoute.test.tsx`, `components/Header.test.tsx`
+- `e2e/**` (15 created): `playwright.config.ts`, `docker-compose.suite-e2e.yml`, OWM + tile stubs (Dockerfile + server), runner Dockerfile + entrypoint, fixture SQL, 5 e2e test files
+- `scripts/**` (3 created + 2 modified): `check-banned-deps.mjs`, `check-i18n-coverage.mjs`, `check-ci-image-labels.mjs`; modified `run-tests.sh` and `run-performance-tests.sh`
+- root config (3 created + 3 modified): `vitest.config.ts`, `tsconfig.test.json`, `tests/security/banned-deps.json` source-of-truth; modified `package.json`, `bun.lock`, `tsconfig.json`
+
+**Verdict**: **PASS_WITH_WARNINGS**
+
+---
+
+## Phase 1 — Context
+
+Inputs re-read:
+- Task specs in current cycle's done/: AZ-456, AZ-457, AZ-458, AZ-459, AZ-465, AZ-467, AZ-468, AZ-481, AZ-482
+- `_docs/02_document/architecture.md` + Architecture Vision (P1–P12)
+- `_docs/02_document/module-layout.md` (`Blackbox Tests` envelope, the `Imports from` clarification commit `496b089`)
+- `_docs/02_document/architecture_compliance_baseline.md` (F1–F9)
+- `_docs/00_problem/restrictions.md`, `_docs/01_solution/solution.md`
+- All three batch reports (`batch_01_report.md`, `batch_02_report.md`, `batch_03_report.md`)
+
+## Phase 2 — Spec Compliance
+
+Per-batch coverage already verified inline. Aggregated:
+- AZ-456: 8/8 ACs
+- AZ-457: 4/4 ACs (FT-P-01 / NFT-SEC-04 with `it.fails()` drift carry-overs)
+- AZ-458: 3/3 ACs (AC-2 bearer rotation + annotation-status SSE drifts; e2e gated)
+- AZ-459: 4/4 ACs (`it.fails()` for the 3 documented enum drifts; `verification_pending` skips for CombatReadiness + MediaType value-set)
+- AZ-465: 4/4 ACs (FT-P-24/25 quarantined — detector + persistence not in production yet)
+- AZ-467: 4/4 ACs (FT-P-32 spinner a11y `it.fails()`; FT-P-33 timeout + FT-N-03/05 RBAC `it.skip` quarantine)
+- AZ-468: 3/3 ACs (FT-P-30/31 `it.fails()`; FT-N-09 `it.skip` quarantine)
+- AZ-481: 3/3 ACs (image.title DRIFT reported; not blocking)
+- AZ-482: 6/6 ACs (all PASS — deny-list checker is future-proofing)
+
+**Total: 39/39 ACs covered**, with explicit drift / quarantine markers on every gap. No silent fail.
+
+No `## Contract` sections in the test specs (test tasks consume contracts but don't redefine them); contract verification is delegated to AZ-459 (enum spec snapshot) and exercised in `tests/wire_contract.test.ts`.
+
+## Phase 3 — Code Quality
+
+Spot-checks across the new test infrastructure:
+- Helper functions each carry a single responsibility — `seedBearer/clearBearer` (token state), `seedNavigateToLogin` (login redirect spy), `renderWithProviders` (composition root for tests), `createFakeEventSource/simulateSseStream` (SSE doubles), `jsonResponse/paginate/sse` (MSW response shorthand). Names match what each function does.
+- No bare `catch` / `try` swallowing across new files.
+- Arrange / Act / Assert pattern preserved across all `*.test.{ts,tsx}` files (verified via spot-check in `AuthContext.test.tsx`, `client.test.ts`, `wire_contract.test.ts`, `sse_lifecycle.test.tsx`, `Header.test.tsx`, `ProtectedRoute.test.tsx`).
+- Test files do not narrate trivial code in comments; comments are reserved for `it.fails()` drift rationale and `it.skip` quarantine reason — both required for traceability.
+- No `console.log` / `console.error` left in test bodies (only in `tests/setup.ts` for MSW logger config).
+- Test helpers do not import each other circularly; helpers form a flat dependency tree (`render` → `i18n`, `auth` → `client`, `navigate` → `client`, `sse-mock` standalone).
+
+No Phase 3 findings.
+
+## Phase 4 — Security Quick-Scan
+
+- No real secrets in fixtures: `tests/fixtures/seed_users.ts` uses placeholder argon2 hashes; bearer tokens use the `'test-bearer-default'` constant; OWM and tile stub URLs are stub-only (`/_owm/_health`, `/_tile/...`).
+- No `eval`, no `shell=True`, no `subprocess` in scripts beyond `bun`/`tsc`/`vite` invocations.
+- The static check refactoring in batch 3 (`scripts/check-banned-deps.mjs`) reads the deny-list from `tests/security/banned-deps.json` — JSON-only data input, regex applied to file paths and contents. No execution of file contents. No shell metachars passed to `child_process` (the script uses `node:fs`).
+- AZ-482 explicitly strengthens posture: SEC-09 (OWM key) now also enforced against `dist/`; SEC-13 catches dropped legacy integrations (WhatsApp/Telegram/D-Bus/libsignal); SEC-14 anti-criterion catches accidental concurrent-edit reconcile.
+- `tests/setup.ts` opts MSW into `'error'` on unhandled requests — drift in test wiring fails loudly rather than silently masking production calls.
+
+No Phase 4 findings.
+
+## Phase 5 — Performance
+
+Wall-clock progression (host runs):
+
+| Batch | Fast tests | Fast wall-clock | Static checks | Static wall-clock |
+|-------|-----------|-----------------|---------------|-------------------|
+| 01    | 11        | ~3 s            | 13            | ~26 s             |
+| 02    | 38 + 4 skipped | ~3 s        | 19            | ~13 s             |
+| 03    | 57 + 9 skipped | ~4.4 s      | 22            | ~12 s             |
+
+- Per-test wall-clock budget remains well under the 5-minute target (`solution.md` perf budget).
+- The dominant cost is `STC-T1` (`tsc --noEmit`) + `STC-B1` (`vite build`) at ~8 s combined; both unchanged across batches.
+- No new pathological patterns: no nested loops on per-test setup, no synchronous file I/O in test bodies, fixtures preloaded once per process.
+- The MSW handler set has grown from 0 → 9 handler files; handlers are O(1) match by URL pattern (msw v2.x trie), no N+1 risk introduced.
+
+No Phase 5 findings.
+
+## Phase 6 — Cross-Batch Consistency
+
+Key cumulative concern: helpers / fixtures / static-check IDs / handler routes must not collide or duplicate across batches.
+
+**Symbol audit** (across all batches):
+- `tests/helpers/auth.ts` — `seedBearer`, `clearBearer` (1 producer, 4 consumers: `client.test.ts`, `AuthContext.test.tsx`, `ProtectedRoute.test.tsx`, `Header.test.tsx`)
+- `tests/helpers/navigate.ts` — `seedNavigateToLogin` (1 producer, 1 consumer: `client.test.ts`)
+- `tests/helpers/render.tsx` — `renderWithProviders` + screen/waitFor re-exports (1 producer, 4 consumers)
+- `tests/helpers/sse-mock.ts` — `createFakeEventSource`, `simulateSseStream` (1 producer, 1 consumer: `sse_lifecycle.test.tsx`)
+- `tests/msw/server.ts` — `server` (1 producer, 5 consumers)
+- `tests/msw/helpers.ts` — `jsonResponse`, `errorResponse`, `noContent`, `paginate`, `latency`, `sse`, `dropResponse` (1 producer, multi-consumer)
+- `tests/fixtures/seed_users.ts` — `opAlice`, `opBob`, `adminCarol`, `integratorDave`, `seedUsers`, `seedPermissions` (1 producer, multi-consumer; the same four user objects are reused across `ProtectedRoute.test.tsx` and `Header.test.tsx` with consistent IDs/permissions — no divergent definitions)
+- `tests/fixtures/seed_flights.ts` — `seedFlights`, `liveGpsFlightId` — used by `Header.test.tsx` and `sse_lifecycle.test.tsx` consistently
+
+**No duplicate symbol** across batches. **No fixture redefinition** (no second `opAlice` with different role/permissions; no second `liveGpsFlightId` constant).
+
+**Static check IDs** (22 across `scripts/run-tests.sh`):
+`STC-S1, S2, S5, S6, S13, N2, N3, N4, N5, SEC1, SEC1B, SEC2, SEC3, SEC4, SEC13, SEC14, FN15, FP22, FP23, CI11, T1, B1` — all unique, none reused. Naming convention: `STC-<topic-prefix><number>` consistently applied.
+
+**MSW handler routes** (9 handler files, ~50 routes total):
+Each handler file owns a disjoint URL prefix (`/admin/...`, `/flights/...`, `/annotations/...`, `/detect/...`, `/loader/...`, `/resource/...`, `/_owm/...`, `/tiles/...`). No overlap; no duplicate route definitions. Spot-checked `index.ts` to confirm `defaultHandlers` is the union without duplicates.
+
+**Drift handling pattern uniformity**:
+- `it.fails()` — used when the production element exists but the asserted attribute / behavior is missing today (e.g., FT-P-01 `credentials: 'include'`, FT-P-30/31 dropdown a11y, FT-P-32 spinner a11y, AC-2 bearer rotation re-deps).
+- `it.skip` + `// QUARANTINE: ...` — used when the production capability is wholly absent (FT-N-09 Escape handler, FT-P-33 timeout fallback, FT-N-03/05 RBAC, FT-P-09/10 annotation-status SSE, FT-P-24/25 i18n detector + persistence).
+- Both patterns include a control test asserting the gap, so the absence is provably demonstrated rather than tacitly assumed.
+
+This pattern is uniform across batches 1–3. The `verification_pending` skip in AZ-459 is a third pattern (`it.skip` for "spec is provisional") — consistent within its task.
+
+No Phase 6 findings beyond the carried-over interpretation note (see Phase 7 / Findings below).
+
+## Phase 7 — Architecture Compliance
+
+**Per-import inspection of test files** (cross-component edges):
+
+| Test file | Cross-component imports | Verdict |
+|-----------|-------------------------|---------|
+| `src/api/client.test.ts` | `tests/msw/server`, `tests/helpers/auth`, `tests/helpers/navigate` | OK — only test infrastructure |
+| `src/auth/AuthContext.test.tsx` | `tests/msw/server`, `tests/helpers/render`, `src/api/client` (`api`, `getToken`, `setToken` — public testability accessors landed by AZ-454/Step 4), `tests/helpers/auth` | OK |
+| `src/auth/ProtectedRoute.test.tsx` | `tests/msw/server`, `tests/msw/helpers`, `tests/helpers/render`, `tests/helpers/auth`, `tests/fixtures/seed_users` | OK |
+| `src/components/Header.test.tsx` | `tests/msw/server`, `tests/msw/helpers`, `tests/helpers/render`, `tests/helpers/auth`, `tests/fixtures/seed_flights`, `tests/fixtures/seed_users` | OK |
+| `tests/i18n.test.tsx` | `src/i18n/i18n` (Public API of `00_foundation`) | OK |
+| `tests/wire_contract.test.ts` | `tests/fixtures/enum_spec_snapshot` (test-only fixture) | OK |
+| `tests/sse_lifecycle.test.tsx` | `src/api/sse` (`createSSE` — Public API), `src/api/client` (`setToken` — testability accessor) | OK |
+| `tests/infrastructure.test.ts` | `tests/msw/server` | OK |
+
+- **No imports of `*.internal.*` files**; no imports following `from '../../../<deep>'` patterns (all cross-references are exactly two levels: `src/<x>/<y>.test.tsx` → `../../tests/<helper>` is two levels, the maximum allowed by the test/source colocation pattern).
+- **No new cyclic module dependencies** introduced — test files are leaves in the import graph.
+- **No new duplicate symbols across components** — see Phase 6 audit. The only "duplicate-by-name" is `screen` and `waitFor` re-exported from `tests/helpers/render.tsx` to centralize the RTL surface; this is a proxy, not a rival definition.
+- **No cross-cutting concern reimplemented locally** — error-envelope handling, MSW routing, fixture seeding, i18n bootstrap each have a single home; no test file open-codes them.
+
+**Public API gap (still F4 from baseline)**: every test still imports by file-path granularity because `src/<component>/index.ts` barrels do not exist. This is the same baseline issue, neither resolved nor worsened by test work.
+
+### Baseline Delta
+
+Comparing current findings to `_docs/02_document/architecture_compliance_baseline.md` (`(file, category, rule)` triple):
+
+**Carried over** — present at baseline, still present:
+
+| # | File | Category | Rule |
+|---|------|----------|------|
+| F1 | `mission-planner/**` vs `src/features/flights/**` | Architecture | Convergence-pending duplication (deferred to Phase B) |
+| F2 | `src/features/dataset/DatasetPage.tsx:9` | Architecture | Cross-feature same-layer edge (grandfathered) |
+| F3 | `src/features/annotations/classColors.ts` | Architecture | Physical/logical owner split |
+| F4 | every component | Architecture | No Public API barrels |
+| F5 | `mission-planner/src/flightPlanning/{MapView,MiniMap}.tsx` | Architecture | Pre-existing cycle inside port-source |
+| F6 | codebase-wide | Architecture | No `src/shared/` |
+| F7 | `api.*` / `createSSE` call sites | Architecture | Hardcoded `/api/<service>/...` |
+| F8 | `_docs/02_document/module-layout.md` | Architecture | Layering-table inconsistency |
+| F9 | `mission-planner/src/{main,App,setupTests,vite-env}.tsx` | Architecture | Inert second Vite entry tree |
+
+**Resolved** — present at baseline, NOT in current findings within the in-scope file set: **none**. (Test-implementation work correctly avoided touching production architecture; resolutions belong to Step 8 Refactor or Phase B feature cycles, not Step 6.)
+
+**Newly introduced** — current findings absent at baseline: **none**. The "test helpers import production accessors" pattern was clarified out of finding status by `_docs/02_document/module-layout.md` commit `496b089` ("Clarify Blackbox Tests imports rule (helpers vs test bodies)"). It is now an established, documented exception, not a finding.
+
+Per-category counts (current architecture findings in scope, excluding carried-over baseline): **0 Critical, 0 High, 0 Medium, 0 Low**. No verdict change.
+
+## Findings (cumulative)
+
+### F-CUM-1 — Drift production tasks accumulating (Low / Maintainability / carry-over from batches 2–3)
+
+The three batches together documented **9 production drifts** that tests track via `it.fails()` or `it.skip` quarantine:
+
+1. AZ-457 FT-P-01 — bootstrap refresh `credentials: 'include'` missing → `src/auth/AuthContext.tsx`
+2. AZ-457 NFT-SEC-04 — broader `credentials: 'include'` claim narrow today → `src/api/client.ts`
+3. AZ-459 — `AnnotationStatus`, `MediaStatus`, `Affiliation` enum drift vs `enum_spec_snapshot.json` → `src/types/index.ts`
+4. AZ-458 NFT-PERF-03 / NFT-RES-02 — bearer rotation reconnect ≤5 s missing → `src/features/flights/FlightsPage.tsx:65-68` (deps array)
+5. AZ-458 FT-P-09/10 / NFT-PERF-06 — annotation-status SSE not opened → `src/features/annotations/AnnotationsPage.tsx`
+6. AZ-465 FT-P-24 — i18n detector path missing → `src/i18n/i18n.ts`
+7. AZ-465 FT-P-25 — i18n persistence missing → `src/i18n/i18n.ts`
+8. AZ-467 FT-P-32 — ProtectedRoute spinner a11y attrs missing → `src/auth/ProtectedRoute.tsx`
+9. AZ-467 FT-P-33 / FT-N-03 / FT-N-05 — ProtectedRoute timeout + RBAC routes missing → `src/auth/ProtectedRoute.tsx`
+10. AZ-468 FT-P-30 / FT-P-31 / FT-N-09 — Header dropdown a11y + Escape handler → `src/components/Header.tsx`
+11. AZ-481 — `org.opencontainers.image.title` OCI label missing → `.woodpecker/build-arm.yml`
+
+**Recommendation**: file these as Phase B feature tasks during Step 9 (New Task) once Phase A baseline closes. Each is a small, scoped fix; together they materially improve production posture. Do NOT lift them in this Step 6 window — Phase A scope ends at "tests in place"; flipping drifts is feature-cycle work.
+
+This is a **non-blocking** finding; it's bookkeeping for the next phase. Verdict: PASS_WITH_WARNINGS contribution from this finding only.
+
+### F-CUM-2 — Test-helper interpretation rule, now codified (informational)
+
+Batches 1, 2, and 3 each surfaced the "test helpers import production accessors" finding as Low / Architecture / Interpretation. Commit `496b089` ("Clarify Blackbox Tests imports rule (helpers vs test bodies)") wrote the resolution into `_docs/02_document/module-layout.md`: black-box discipline applies to test bodies; setup helpers and composition-root wrappers may import production accessors.
+
+**Status**: closed. Future cumulative reviews should NOT re-emit this finding. The Phase 7 inspection above already treats helper imports of `src/api/client` accessors as OK.
+
+## Auto-Fix Attempts: 0
+## Stuck Agents: None
+## Verdict: PASS_WITH_WARNINGS
+
+Reason: 0 Critical / 0 High; 1 Low / Maintainability (the production-drift bookkeeping in F-CUM-1). The verdict allows the implement skill to proceed to batch 4 without auto-fix gate intervention.
+
+## Recommendation for Batch 4
+
+Per batch-3 report: **AZ-466 (4) + AZ-475 (2) + AZ-462 (2) + AZ-460 (2) = 10 pts**. AZ-466 lands the `data-destructive` marker + `<DestructiveButton>` wrapper that other tasks (admin user delete, class delete, flight delete) rely on; landing it early is dependency-friendly for batch 5 (canvas / detection-classes / photo-mode / tile-split).
+
+No cumulative-review-gated changes need to be applied before batch 4 starts.
diff --git a/_docs/_autodev_state.md b/_docs/_autodev_state.md
index 2b4afed..2851723 100644
--- a/_docs/_autodev_state.md
+++ b/_docs/_autodev_state.md
@@ -8,7 +8,7 @@ status: in_progress
 sub_step:
   phase: 14
   name: batch-loop
-  detail: "batch 4 next: 18 tasks remaining (AZ-460/461/462/463/464/466/469/470/471/472/473/474/475/476/477/478/479/480)"
+  detail: "batch 4 of ~5 complete; 14 tasks remain in todo/"
 retry_count: 0
 cycle: 1
 tracker: jira
@@ -22,29 +22,8 @@ step_3_ac_gap_handling: rollback-to-6c (option A)
   `_docs/02_document/state.json`, `FINAL_report.md`, `architecture.md`,
   `glossary.md`, plus `_docs/01_solution/solution.md` and
   `_docs/00_problem/{problem,acceptance_criteria,restrictions,security_approach}.md`.
-- Suite-level architecture: `../_docs/`. UI design: `_docs/ui_design/`.
-- Legacy reference: `_docs/legacy/wpf-era.md` + research copy at
-  `suite/annotations-research` (detached @ `22529c2`).
-- /document scope was src/ AND mission-planner/ (two disjoint groups).
-- 2026-05-11 Step 6 entry: added "Blackbox Tests" cross-cutting
-  component to `_docs/02_document/module-layout.md` so the implement
-  skill's Step 4 (file ownership) can resolve test-task ownership
-  for AZ-456..AZ-482 (epic AZ-455).
-- 2026-05-11 batch 1 (AZ-456) shipped: vitest+MSW (fast) + Playwright
-  e2e harness + stubs + scripts. 11 fast tests pass; 13 static checks
-  pass. AZ-456 → In Testing; report at
-  `_docs/03_implementation/batch_01_report.md`. Next batch picks up
-  AZ-457..AZ-482 (26 tasks remaining).
-- 2026-05-11 batch 2 (AZ-457/459/465/481) shipped: 38 fast tests pass
-  + 4 skipped; 19 static checks pass. Reports at
-  `_docs/03_implementation/batch_02_report.md`. 22 tasks remain.
-- 2026-05-11 batch 3 (AZ-458/467/468/482) shipped: 57 fast tests pass
-  + 9 skipped (drifts/quarantines); 22 static checks pass. Reports at
-  `_docs/03_implementation/batch_03_report.md`. 18 tasks remain.
-  Drifts documented (production follow-ups for Phase B): Header
-  flight-dropdown a11y (FT-P-30/31/N-09); ProtectedRoute spinner a11y
-  + 10s timeout + route RBAC (FT-P-32/33, FT-N-03/05); SSE bearer-
-  rotation reconnect (AC-2 / NFT-PERF-03); AnnotationsPage annotation-
-  status SSE (FT-P-09/10/NFT-PERF-06). New deny-list source
-  `tests/security/banned-deps.json` + checker
-  `scripts/check-banned-deps.mjs` introduced (AZ-482 constraint).
+- Implement-skill batch reports at `_docs/03_implementation/batch_0{1,2,3,4}_report.md`.
+- Cumulative review (batches 01-03) PASS_WITH_WARNINGS at
+  `_docs/03_implementation/cumulative_review_batches_01-03_report.md`.
+  Next cumulative review due after batch 6 (every 3 batches per
+  `implement/SKILL.md` Step 14.5).
diff --git a/e2e/tests/annotations_endpoint.e2e.ts b/e2e/tests/annotations_endpoint.e2e.ts
new file mode 100644
index 0000000..6c483ba
--- /dev/null
+++ b/e2e/tests/annotations_endpoint.e2e.ts
@@ -0,0 +1,86 @@
+import { test, expect } from '@playwright/test'
+
+// AZ-460 — e2e companion for the annotation save URL + payload contract.
+//
+// AC-1 (FT-P-07): the doubly-prefixed canary URL on the real `annotations/`
+//                 service. The fast-profile fixture asserts the URL via MSW;
+//                 here we observe the real network request to confirm the
+//                 service does not silently strip the `/annotations` prefix.
+// AC-2 (FT-P-08): captured POST body contains all required fields. Today this
+//                 is `test.fail()` (drift documented in fast tests).
+//
+// This e2e requires the suite docker-compose stack
+// (`docker compose -f e2e/docker-compose.suite-e2e.yml up -d`) plus parent-suite
+// `:test` images. It will run on the suite-e2e CI lane once those images are
+// available; on a developer host without the stack the test skips with the
+// standard message.
+
+test.describe('AZ-460 — annotation save URL + payload (e2e companion)', () => {
+  test('AC-1 (FT-P-07) — outbound URL is /api/annotations/annotations', async ({ page }) => {
+    const requests: { url: string; body: string | null }[] = []
+    await page.route('**/api/annotations/annotations**', async (route) => {
+      const req = route.request()
+      if (req.method() === 'POST') {
+        requests.push({ url: req.url(), body: req.postData() })
+      }
+      await route.continue()
+    })
+
+    await page.goto('/annotations')
+    // Drive a save through the UI — depends on suite seed data; if no media
+    // is selectable in the fixture, the test reports the seed gap explicitly
+    // rather than masking the UI.
+    const saveBtn = page.getByRole('button', { name: /^Save$/i }).first()
+    if (!(await saveBtn.isVisible({ timeout: 5000 }).catch(() => false))) {
+      test.skip(true, 'Suite seed has no media available for annotation save')
+    }
+
+    await saveBtn.click({ timeout: 5000 }).catch(() => {})
+
+    // Assert
+    const saved = await page.waitForFunction(
+      (count) => count > 0,
+      requests.length,
+      { timeout: 5000 },
+    ).catch(() => null)
+    if (!saved) test.skip(true, 'Save did not fire on this seed')
+
+    expect(requests.length).toBeGreaterThan(0)
+    for (const r of requests) {
+      expect(r.url).toContain('/api/annotations/annotations')
+    }
+  })
+
+  test.fail('AC-2 (FT-P-08) — required fields {Source, WaypointId, videoTime, mediaId, detections, status}', async ({ page }) => {
+    // Drift gated: production today only sends {mediaId, time, detections}.
+    // This e2e companion will flip green when AC-2 lands in Phase B.
+    const captured: Record<string, unknown>[] = []
+    await page.route('**/api/annotations/annotations**', async (route) => {
+      const req = route.request()
+      if (req.method() === 'POST') {
+        const text = req.postData()
+        if (text) captured.push(JSON.parse(text))
+      }
+      await route.continue()
+    })
+
+    await page.goto('/annotations')
+    const saveBtn = page.getByRole('button', { name: /^Save$/i }).first()
+    if (!(await saveBtn.isVisible({ timeout: 5000 }).catch(() => false))) {
+      test.skip(true, 'Suite seed has no media for save')
+    }
+    await saveBtn.click()
+
+    await page.waitForTimeout(1000)
+    expect(captured.length).toBeGreaterThan(0)
+    for (const body of captured) {
+      expect(body).toHaveProperty('Source')
+      expect(['AI', 'Manual']).toContain(body.Source as string)
+      expect(body).toHaveProperty('WaypointId')
+      expect(body).toHaveProperty('videoTime')
+      expect(body).toHaveProperty('mediaId')
+      expect(body).toHaveProperty('detections')
+      expect(body).toHaveProperty('status')
+    }
+  })
+})
diff --git a/e2e/tests/destructive_ux.e2e.ts b/e2e/tests/destructive_ux.e2e.ts
new file mode 100644
index 0000000..3c5fdff
--- /dev/null
+++ b/e2e/tests/destructive_ux.e2e.ts
@@ -0,0 +1,62 @@
+import { test, expect } from '@playwright/test'
+
+// AZ-466 — e2e companion for the destructive UX policy.
+//
+// AC-1 (FT-P-26): clicking Delete on a class → ConfirmDialog appears →
+//                 Confirm fires the DELETE.
+// AC-2 (FT-N-07): clicking Delete → Cancel → NO DELETE fires.
+//
+// Both currently `test.fail()` because production's class-delete is not yet
+// gated by ConfirmDialog (see fast-profile drift documented in
+// `tests/destructive_ux.test.tsx`).
+//
+// Requires the suite docker-compose stack and parent-suite `:test` images.
+
+test.describe('AZ-466 — destructive UX (e2e companion)', () => {
+  test.fail('AC-1 (FT-P-26) — class-delete prompts ConfirmDialog before DELETE', async ({ page }) => {
+    const deletes: string[] = []
+    await page.route('**/api/admin/classes/**', async (route) => {
+      const req = route.request()
+      if (req.method() === 'DELETE') deletes.push(req.url())
+      await route.continue()
+    })
+
+    await page.goto('/admin')
+    const deleteBtn = page.locator('table tr button').first()
+    if (!(await deleteBtn.isVisible({ timeout: 5000 }).catch(() => false))) {
+      test.skip(true, 'Suite seed has no detection class to delete')
+    }
+
+    await deleteBtn.click()
+    // Drift: ConfirmDialog never mounts; DELETE fires immediately.
+    const dialog = page.getByRole('dialog')
+    await expect(dialog).toBeVisible({ timeout: 1000 })
+    expect(deletes).toHaveLength(0)
+
+    await page.getByRole('button', { name: /confirm/i }).click()
+    await page.waitForTimeout(500)
+    expect(deletes.length).toBeGreaterThan(0)
+  })
+
+  test.fail('AC-2 (FT-N-07) — class-delete Cancel suppresses DELETE entirely', async ({ page }) => {
+    const deletes: string[] = []
+    await page.route('**/api/admin/classes/**', async (route) => {
+      const req = route.request()
+      if (req.method() === 'DELETE') deletes.push(req.url())
+      await route.continue()
+    })
+
+    await page.goto('/admin')
+    const deleteBtn = page.locator('table tr button').first()
+    if (!(await deleteBtn.isVisible({ timeout: 5000 }).catch(() => false))) {
+      test.skip(true, 'Suite seed has no detection class to delete')
+    }
+
+    await deleteBtn.click()
+    const dialog = page.getByRole('dialog')
+    await expect(dialog).toBeVisible({ timeout: 1000 })
+    await page.getByRole('button', { name: /cancel/i }).click()
+    await page.waitForTimeout(500)
+    expect(deletes).toHaveLength(0)
+  })
+})
diff --git a/scripts/check-banned-deps.mjs b/scripts/check-banned-deps.mjs
index 1de7efe..775a179 100755
--- a/scripts/check-banned-deps.mjs
+++ b/scripts/check-banned-deps.mjs
@@ -97,18 +97,21 @@ function* walkSourceFiles(rootDir) {
 
 function checkSourceTree(section, root, subdirs) {
   const regexes = section.patterns.map((p) => new RegExp(p, 'i'))
+  const allowlist = new Set((section.allowlist ?? []).map((p) => p.replaceAll('\\', '/')))
   const hits = []
   for (const sub of subdirs) {
     const full = join(root, sub)
     try { statSync(full) } catch { continue }
     for (const file of walkSourceFiles(full)) {
+      const relPath = relative(root, file).replaceAll('\\', '/')
+      if (allowlist.has(relPath)) continue
       let text
       try { text = readFileSync(file, 'utf8') } catch { continue }
       const lines = text.split('\n')
       lines.forEach((line, idx) => {
         for (const re of regexes) {
           if (re.test(line)) {
-            hits.push(`${relative(root, file)}:${idx + 1}: ${line.trim().slice(0, 200)} (matched /${re.source}/i)`)
+            hits.push(`${relPath}:${idx + 1}: ${line.trim().slice(0, 200)} (matched /${re.source}/i)`)
             break
           }
         }
@@ -118,6 +121,31 @@ function checkSourceTree(section, root, subdirs) {
   return hits
 }
 
+function checkDestructiveSurfaces(section, root, subdirs) {
+  const regexes = section.patterns.map((p) => new RegExp(p))
+  const gated = new Set((section.gated ?? []).map((p) => p.replaceAll('\\', '/')))
+  const drift = new Set((section.drift ?? []).map((p) => p.replaceAll('\\', '/')))
+  const known = new Set([...gated, ...drift])
+  const hits = []
+  for (const sub of subdirs) {
+    const full = join(root, sub)
+    try { statSync(full) } catch { continue }
+    for (const file of walkSourceFiles(full)) {
+      const relPath = relative(root, file).replaceAll('\\', '/')
+      let text
+      try { text = readFileSync(file, 'utf8') } catch { continue }
+      const matches = regexes.some((re) => re.test(text))
+      if (!matches) continue
+      if (known.has(relPath)) continue
+      hits.push(
+        `${relPath}: contains destructive call but is not in gated/drift allowlist; ` +
+        `add to tests/security/banned-deps.json (destructive_surfaces) with a code-review note`,
+      )
+    }
+  }
+  return hits
+}
+
 function* walkAnyFiles(rootDir) {
   let entries
   try {
@@ -167,8 +195,14 @@ function main() {
   let hits = []
   if (kind === 'owm_key_in_dist') {
     hits = checkDistTree(section, root)
-  } else if (kind === 'legacy_integrations' || kind === 'concurrent_edit_patterns') {
+  } else if (
+    kind === 'legacy_integrations' ||
+    kind === 'concurrent_edit_patterns' ||
+    kind === 'alert_calls'
+  ) {
     hits = checkSourceTree(section, root, ['src', 'mission-planner'])
+  } else if (kind === 'destructive_surfaces') {
+    hits = checkDestructiveSurfaces(section, root, ['src'])
   } else {
     hits = checkPackageJson(section, root)
   }
diff --git a/scripts/run-tests.sh b/scripts/run-tests.sh
index 747a4a4..670afb4 100755
--- a/scripts/run-tests.sh
+++ b/scripts/run-tests.sh
@@ -196,6 +196,18 @@ if [ "$RUN_STATIC" = "true" ]; then
     node "$PROJECT_ROOT/scripts/check-banned-deps.mjs" --kind=concurrent_edit_patterns
   }
 
+  # AZ-466 — NFT-SEC-07 (no alert() outside the seeded allowlist) and
+  # NFT-SEC-08 (every destructive surface is reviewed: gated by ConfirmDialog
+  # OR recorded as known drift). Both delegate to check-banned-deps.mjs which
+  # reads tests/security/banned-deps.json.
+  static_check_no_alert() {
+    node "$PROJECT_ROOT/scripts/check-banned-deps.mjs" --kind=alert_calls
+  }
+
+  static_check_destructive_surfaces() {
+    node "$PROJECT_ROOT/scripts/check-banned-deps.mjs" --kind=destructive_surfaces
+  }
+
   # AZ-482 — NFT-SEC-09 AC-1 dist/ portion. The src/ counterpart is STC-SEC1
   # below; this check runs AFTER `bun run build` (STC-B1) so dist/ exists.
   static_check_no_owm_key_in_dist() {
@@ -376,6 +388,8 @@ if [ "$RUN_STATIC" = "true" ]; then
   run_static "STC-CI11" "CI image tag + OCI labels (woodpecker)" "AC-32" "70" static_check_ci_image_labels
   run_static "STC-SEC13" "no legacy integrations in src/" "SEC-13" "n/a"  static_check_no_legacy_integrations
   run_static "STC-SEC14" "no concurrent-edit reconcile (AC-N1)" "SEC-14" "n/a"  static_check_no_concurrent_edit
+  run_static "STC-SEC7" "no alert() outside allowlist"        "SEC-07"  "AZ-466"  static_check_no_alert
+  run_static "STC-SEC8" "destructive surfaces reviewed (gated/drift)" "SEC-08"  "AZ-466"  static_check_destructive_surfaces
   run_static "STC-T1"  "tsc --noEmit (test config)"     "AC-6"   "n/a"  static_check_typecheck
   run_static "STC-B1"  "vite build succeeds"            "AC-6"   "n/a"  static_check_vite_build
   run_static "STC-S5"  "mission-planner not in dist/"   "AC-31"  "n/a"  static_check_dist_no_mission_planner
diff --git a/src/components/ConfirmDialog.test.tsx b/src/components/ConfirmDialog.test.tsx
new file mode 100644
index 0000000..9826668
--- /dev/null
+++ b/src/components/ConfirmDialog.test.tsx
@@ -0,0 +1,179 @@
+import { describe, it, expect } from 'vitest'
+import { renderWithProviders, screen, fireEvent, userEvent } from '../../tests/helpers/render'
+import ConfirmDialog from './ConfirmDialog'
+
+// AZ-466 — Destructive UX policy (ConfirmDialog half)
+//
+// Scope of this file (per AZ-466 ACs that target the dialog itself):
+//   AC-3 (FT-P-28): `role="dialog"`, `aria-modal="true"`, `aria-labelledby`,
+//                   `aria-describedby` linkage.
+//   AC-3 (FT-P-29): focus trap — Tab cycles inside the dialog.
+//   AC-2 (FT-N-08): Escape on `<ConfirmDialog>` cancels — `onCancel` is invoked.
+//
+// Production drift (`src/components/ConfirmDialog.tsx`):
+//   The dialog renders a plain `<div>` shell with NO `role="dialog"`,
+//   `aria-modal`, `aria-labelledby`, or `aria-describedby` linkage. AC-3
+//   attributes are recorded as `it.fails()`. Focus trap is absent — Tab
+//   does not wrap inside the dialog. AC-3 focus trap is `it.skip` QUARANTINE
+//   until production lands a focus trap. Escape close (FT-N-08) IS wired
+//   (line 22-27 of ConfirmDialog.tsx) and PASSES today.
+
+describe('AZ-466 — ConfirmDialog (component-level a11y / Escape)', () => {
+  describe('AC-3 (FT-P-28) — modal a11y attributes', () => {
+    it.fails('exposes role="dialog" + aria-modal="true" on the container', () => {
+      // Arrange
+      const noop = () => {}
+      renderWithProviders(
+        <ConfirmDialog
+          open
+          title="Delete class?"
+          message="This cannot be undone."
+          onConfirm={noop}
+          onCancel={noop}
+        />,
+      )
+
+      // Assert — the dialog's container element has the modal a11y attrs.
+      // Drift: production renders a plain <div> with no role / aria attrs.
+      const dialog = screen.getByRole('dialog')
+      expect(dialog).toHaveAttribute('aria-modal', 'true')
+    })
+
+    it.fails('links aria-labelledby and aria-describedby to title + message', () => {
+      const noop = () => {}
+      renderWithProviders(
+        <ConfirmDialog
+          open
+          title="Delete class?"
+          message="This cannot be undone."
+          onConfirm={noop}
+          onCancel={noop}
+        />,
+      )
+
+      const dialog = screen.getByRole('dialog')
+      const labelId = dialog.getAttribute('aria-labelledby')
+      const describeId = dialog.getAttribute('aria-describedby')
+      expect(labelId).toBeTruthy()
+      expect(describeId).toBeTruthy()
+      // The referenced ids must point to the title and message nodes.
+      const titleEl = document.getElementById(labelId!)
+      const messageEl = document.getElementById(describeId!)
+      expect(titleEl).toHaveTextContent('Delete class?')
+      expect(messageEl).toHaveTextContent('This cannot be undone.')
+    })
+
+    it('control: the dialog DOM is currently a non-semantic <div> shell', () => {
+      // Pin the current (drift) shape so a regression that, e.g., flips the
+      // outer node to a <span> is caught even before AC-3 is fixed.
+      const noop = () => {}
+      const { container } = renderWithProviders(
+        <ConfirmDialog
+          open
+          title="Delete class?"
+          onConfirm={noop}
+          onCancel={noop}
+        />,
+      )
+      const outerDiv = container.querySelector('div.fixed.inset-0')
+      expect(outerDiv).not.toBeNull()
+      expect(outerDiv?.getAttribute('role')).toBeNull()
+      expect(outerDiv?.getAttribute('aria-modal')).toBeNull()
+    })
+  })
+
+  describe('AC-3 (FT-P-29) — focus trap', () => {
+    it.skip(
+      'QUARANTINE — Tab from the last button cycles back to the first focusable element inside the dialog',
+      async () => {
+        // Production has no focus trap. The cancel button auto-focuses on
+        // open (`useEffect` on line 16-18 of ConfirmDialog.tsx) but Tab can
+        // escape the dialog. When a focus trap is added (typically via
+        // `react-focus-lock` or a manual keydown handler), this test should
+        // assert that Tab on the last focusable element returns focus to
+        // the first, and Shift+Tab on the first returns focus to the last.
+      },
+    )
+  })
+
+  describe('AC-2 (FT-N-08) — Escape cancel', () => {
+    it('invokes onCancel when Escape is pressed while the dialog is open', () => {
+      // Arrange
+      let cancelCalls = 0
+      let confirmCalls = 0
+      renderWithProviders(
+        <ConfirmDialog
+          open
+          title="Delete?"
+          onConfirm={() => { confirmCalls += 1 }}
+          onCancel={() => { cancelCalls += 1 }}
+        />,
+      )
+
+      // Act — fire Escape on window (production attaches a window-level keydown listener).
+      fireEvent.keyDown(window, { key: 'Escape', code: 'Escape' })
+
+      // Assert
+      expect(cancelCalls).toBe(1)
+      expect(confirmCalls).toBe(0)
+    })
+
+    it('does NOT call onCancel when Escape is pressed while the dialog is closed', () => {
+      let cancelCalls = 0
+      renderWithProviders(
+        <ConfirmDialog
+          open={false}
+          title="Closed"
+          onConfirm={() => {}}
+          onCancel={() => { cancelCalls += 1 }}
+        />,
+      )
+
+      fireEvent.keyDown(window, { key: 'Escape', code: 'Escape' })
+
+      expect(cancelCalls).toBe(0)
+    })
+  })
+
+  describe('AC-1 / AC-2 — happy + cancel paths invoked via the dialog buttons', () => {
+    it('clicking Confirm invokes onConfirm exactly once and not onCancel', async () => {
+      let confirmCalls = 0
+      let cancelCalls = 0
+      renderWithProviders(
+        <ConfirmDialog
+          open
+          title="Delete?"
+          onConfirm={() => { confirmCalls += 1 }}
+          onCancel={() => { cancelCalls += 1 }}
+        />,
+      )
+
+      const confirm = screen.getAllByRole('button').find(b => /confirm/i.test(b.textContent ?? ''))
+      expect(confirm).toBeDefined()
+      await userEvent.click(confirm!)
+
+      expect(confirmCalls).toBe(1)
+      expect(cancelCalls).toBe(0)
+    })
+
+    it('clicking Cancel invokes onCancel exactly once and not onConfirm', async () => {
+      let confirmCalls = 0
+      let cancelCalls = 0
+      renderWithProviders(
+        <ConfirmDialog
+          open
+          title="Delete?"
+          onConfirm={() => { confirmCalls += 1 }}
+          onCancel={() => { cancelCalls += 1 }}
+        />,
+      )
+
+      const cancel = screen.getAllByRole('button').find(b => /cancel/i.test(b.textContent ?? ''))
+      expect(cancel).toBeDefined()
+      await userEvent.click(cancel!)
+
+      expect(cancelCalls).toBe(1)
+      expect(confirmCalls).toBe(0)
+    })
+  })
+})
diff --git a/tests/annotations_endpoint.test.tsx b/tests/annotations_endpoint.test.tsx
new file mode 100644
index 0000000..38dbbef
--- /dev/null
+++ b/tests/annotations_endpoint.test.tsx
@@ -0,0 +1,267 @@
+import { describe, it, expect, beforeEach } from 'vitest'
+import { http } from 'msw'
+import { server } from './msw/server'
+import { jsonResponse, paginate } from './msw/helpers'
+import { renderWithProviders, screen, waitFor, userEvent } from './helpers/render'
+import { seedBearer, clearBearer } from './helpers/auth'
+import { FlightProvider } from '../src/components/FlightContext'
+import AnnotationsPage from '../src/features/annotations/AnnotationsPage'
+import { AnnotationSource, AnnotationStatus, MediaType, MediaStatus, Affiliation, CombatReadiness } from '../src/types'
+import type { Media, AnnotationListItem, Detection } from '../src/types'
+
+// AZ-460 — Annotation save URL + payload contract
+//
+// AC-1 (FT-P-07): outbound URL is the doubly-prefixed canary
+//                 `/api/annotations/annotations` (gateway prefix + service base).
+// AC-2 (FT-P-08): outbound body contains all required fields:
+//                 Source, WaypointId, videoTime, mediaId, detections, status.
+// AC-3:           the required-fields check runs for at least three save entry
+//                 points (AI suggestion accept, manual draw, bulk-edit save).
+//                 Production today only exposes ONE save path (`<AnnotationsPage>`'s
+//                 Save button); AI-suggestion-accept and bulk-edit-save are not yet
+//                 wired in production. Those two scenarios are recorded as
+//                 `it.skip` QUARANTINE entries until Phase B lands them.
+
+const seedDetection: Detection = {
+  id: 'det-existing',
+  classNum: 0,
+  label: 'class-0',
+  confidence: 0.92,
+  affiliation: Affiliation.Hostile,
+  combatReadiness: CombatReadiness.Ready,
+  centerX: 0.4,
+  centerY: 0.5,
+  width: 0.1,
+  height: 0.15,
+}
+
+const seedMediaItem: Media = {
+  id: 'media-az460',
+  name: 'az460.jpg',
+  path: '/media/az460.jpg',
+  mediaType: MediaType.Image,
+  mediaStatus: MediaStatus.New,
+  duration: null,
+  annotationCount: 1,
+  waypointId: 'wp-az460',
+  userId: 'user-az460',
+}
+
+const seedAnn: AnnotationListItem = {
+  id: 'ann-az460',
+  mediaId: seedMediaItem.id,
+  time: null,
+  createdDate: '2026-05-11T00:00:00Z',
+  userId: seedMediaItem.userId,
+  source: AnnotationSource.Manual,
+  status: AnnotationStatus.Created,
+  isSplit: false,
+  splitTile: null,
+  detections: [seedDetection],
+}
+
+interface CapturedSave {
+  url: string
+  body: Record<string, unknown>
+}
+
+function captureSavePost(): { saves: CapturedSave[] } {
+  // Arrange — capture every POST to the doubly-prefixed annotation save endpoint.
+  const saves: CapturedSave[] = []
+  server.use(
+    http.post('/api/annotations/annotations', async ({ request }) => {
+      saves.push({
+        url: new URL(request.url).pathname,
+        body: (await request.json()) as Record<string, unknown>,
+      })
+      return jsonResponse(
+        { id: 'ann-saved', createdDate: new Date().toISOString() },
+        { status: 201 },
+      )
+    }),
+    // Background bootstrap — FlightContext + DetectionClasses + initial AnnotationsPage mount.
+    http.get('/api/flights', () => jsonResponse(paginate([], 1, 1000))),
+    http.get('/api/annotations/settings/user', () => new Response(null, { status: 404 })),
+    http.put('/api/annotations/settings/user', () => new Response(null, { status: 200 })),
+    // MediaList fetch + per-selection annotation list reload.
+    http.get('/api/annotations/media', ({ request }) => {
+      const url = new URL(request.url)
+      const page = Number(url.searchParams.get('page') ?? '1')
+      const pageSize = Number(url.searchParams.get('pageSize') ?? '1000')
+      return jsonResponse(paginate([seedMediaItem], page, pageSize))
+    }),
+    http.get('/api/annotations/annotations', ({ request }) => {
+      const url = new URL(request.url)
+      const mediaId = url.searchParams.get('mediaId')
+      const items = mediaId === seedMediaItem.id ? [seedAnn] : []
+      const page = Number(url.searchParams.get('page') ?? '1')
+      const pageSize = Number(url.searchParams.get('pageSize') ?? '1000')
+      return jsonResponse(paginate(items, page, pageSize))
+    }),
+    http.get('/api/annotations/classes', () => jsonResponse([])),
+    http.get('/api/annotations/dataset/info', () => jsonResponse({ totalCount: 1, statusCounts: {} })),
+    http.get('/api/admin/auth/refresh', () => new Response(null, { status: 401 })),
+  )
+  return { saves }
+}
+
+async function selectMediaAndAnnotation(): Promise<void> {
+  // Wait for media to load and click it. (`findByText` returns the inner
+  // <span>; click bubbles to the row's onClick handler.)
+  const mediaItem = await screen.findByText('az460.jpg')
+  await userEvent.click(mediaItem)
+  // After click, MediaList GETs `/api/annotations/annotations?mediaId=...` and
+  // calls `onAnnotationsLoaded`. AnnotationsSidebar then renders an annotation
+  // row showing `'—'` (no time) and the first detection's label (`class-0`).
+  // Clicking that label fires `handleAnnotationSelect`, which seeds detections
+  // and enables the Save button. Wait up to 3 s for the row to appear.
+  const detectionLabel = await screen.findByText('class-0', undefined, { timeout: 3000 })
+  await userEvent.click(detectionLabel)
+}
+
+describe('AZ-460 — annotation save URL + payload contract', () => {
+  beforeEach(() => {
+    seedBearer()
+  })
+
+  describe('AC-1 (FT-P-07) — URL canary', () => {
+    it('issues the save POST against the doubly-prefixed `/api/annotations/annotations` path', async () => {
+      // Arrange
+      const { saves } = captureSavePost()
+      renderWithProviders(
+        <FlightProvider>
+          <AnnotationsPage />
+        </FlightProvider>,
+      )
+
+      // Act
+      await selectMediaAndAnnotation()
+      // Wait for the side-effect: clicking annotation populates detections.
+      await waitFor(() => {
+        const saveBtn = screen.getByRole('button', { name: /^Save$/i })
+        expect(saveBtn).not.toBeDisabled()
+      }, { timeout: 3000 })
+      const saveBtn = screen.getByRole('button', { name: /^Save$/i })
+      await userEvent.click(saveBtn)
+
+      // Assert
+      await waitFor(() => expect(saves).toHaveLength(1), { timeout: 2000 })
+      expect(saves[0].url).toBe('/api/annotations/annotations')
+      // Negative canary — single-prefix would silently match if the URL
+      // regressed; the equality above is the gating assertion.
+      expect(saves[0].url).not.toBe('/api/annotations')
+      clearBearer()
+    })
+  })
+
+  describe('AC-2 (FT-P-08) — required-fields presence', () => {
+    it.fails(
+      'includes ALL of {Source, WaypointId, videoTime, mediaId, detections, status} in the save body',
+      async () => {
+        // Arrange — production today sends only {mediaId, time, detections}
+        // (see `src/features/annotations/AnnotationsPage.tsx:32-44`). The other
+        // four fields are missing. This drift is documented as `it.fails()`
+        // until Phase B lifts the body shape to match the wire contract.
+        const { saves } = captureSavePost()
+        renderWithProviders(
+          <FlightProvider>
+            <AnnotationsPage />
+          </FlightProvider>,
+        )
+
+        // Act
+        await selectMediaAndAnnotation()
+        await waitFor(() => {
+          const saveBtn = screen.getByRole('button', { name: /^Save$/i })
+          expect(saveBtn).not.toBeDisabled()
+        }, { timeout: 3000 })
+        await userEvent.click(screen.getByRole('button', { name: /^Save$/i }))
+
+        // Assert — every required field present.
+        await waitFor(() => expect(saves).toHaveLength(1))
+        const body = saves[0].body
+        expect(body).toHaveProperty('mediaId', seedMediaItem.id)
+        expect(body).toHaveProperty('detections')
+        expect(Array.isArray(body.detections)).toBe(true)
+        // The four drift fields — the assertion `it.fails()` flips green when these land.
+        expect(body).toHaveProperty('Source')
+        expect(['AI', 'Manual']).toContain(body.Source)
+        expect(body).toHaveProperty('WaypointId')
+        expect(body).toHaveProperty('videoTime')
+        expect(body).toHaveProperty('status')
+        clearBearer()
+      },
+    )
+
+    it('asserts the partial body shape that production currently emits (control)', async () => {
+      // This control test pins the CURRENT (drift) shape so a regression that
+      // drops `mediaId` or `detections` is caught even before AC-2 flips green.
+      // Once production lands the full contract, this test stays green; the
+      // `it.fails()` above starts passing and the migration is observable.
+      const { saves } = captureSavePost()
+      renderWithProviders(
+        <FlightProvider>
+          <AnnotationsPage />
+        </FlightProvider>,
+      )
+
+      await selectMediaAndAnnotation()
+      await waitFor(() => {
+        const saveBtn = screen.getByRole('button', { name: /^Save$/i })
+        expect(saveBtn).not.toBeDisabled()
+      }, { timeout: 3000 })
+      await userEvent.click(screen.getByRole('button', { name: /^Save$/i }))
+
+      await waitFor(() => expect(saves).toHaveLength(1))
+      const body = saves[0].body
+      expect(body.mediaId).toBe(seedMediaItem.id)
+      expect(Array.isArray(body.detections)).toBe(true)
+      expect((body.detections as unknown[]).length).toBeGreaterThan(0)
+      clearBearer()
+    })
+  })
+
+  describe('AC-3 — multiple save entry points', () => {
+    it('exercises the manual-draw / select-existing save entry point', async () => {
+      // The covered case from AC-1 / AC-2 above. Recorded here as a separate
+      // assertion so the AC-3 entry-point list is explicit in the report.
+      const { saves } = captureSavePost()
+      renderWithProviders(
+        <FlightProvider>
+          <AnnotationsPage />
+        </FlightProvider>,
+      )
+      await selectMediaAndAnnotation()
+      await waitFor(() => {
+        expect(screen.getByRole('button', { name: /^Save$/i })).not.toBeDisabled()
+      }, { timeout: 3000 })
+      await userEvent.click(screen.getByRole('button', { name: /^Save$/i }))
+      await waitFor(() => expect(saves.length).toBeGreaterThan(0))
+      clearBearer()
+    })
+
+    it.skip(
+      'QUARANTINE — AI-suggestion-accept save entry point not yet wired in production',
+      async () => {
+        // Production has no "accept AI suggestion" button that fires a save —
+        // AI suggestions arrive via the detect/* services and are merged into
+        // detections, but the user accepts via the same `Save` button as manual
+        // draw. The intended distinct UX where accepting an AI suggestion
+        // issues its own save (with `Source: 'AI'`) lands in Phase B.
+        // When the path lands, flip this test to a real assertion that issues
+        // the AI-flavored save and captures `Source === 'AI'`.
+      },
+    )
+
+    it.skip(
+      'QUARANTINE — bulk-edit save entry point not yet wired in production',
+      async () => {
+        // Production has no bulk-edit save path. Bulk operations exist via the
+        // dataset bulk-status endpoint (`/api/annotations/dataset/bulk-status`)
+        // but that does not issue an annotation save per item. When a true
+        // bulk-edit save lands, this test issues it and asserts each save
+        // body matches the AC-2 contract.
+      },
+    )
+  })
+})
diff --git a/tests/destructive_ux.test.tsx b/tests/destructive_ux.test.tsx
new file mode 100644
index 0000000..a288c62
--- /dev/null
+++ b/tests/destructive_ux.test.tsx
@@ -0,0 +1,166 @@
+import { describe, it, expect, beforeEach } from 'vitest'
+import { http } from 'msw'
+import { server } from './msw/server'
+import { jsonResponse, noContent } from './msw/helpers'
+import { renderWithProviders, screen, waitFor, userEvent } from './helpers/render'
+import { seedBearer, clearBearer } from './helpers/auth'
+import AdminPage from '../src/features/admin/AdminPage'
+
+// AZ-466 — Destructive UX policy (cross-component half)
+//
+// AC-1 (FT-P-26): clicking Delete on a class → confirming → DELETE fires AFTER confirm.
+// AC-2 (FT-N-07): clicking Delete → Cancel → NO DELETE fires.
+// AC-4 (FT-P-27 / NFT-SEC-08): static check enumerates every destructive surface
+//                              and asserts each one mounts a `<ConfirmDialog>`.
+//                              The static side lives in `scripts/run-tests.sh` /
+//                              `scripts/check-banned-deps.mjs` (`STC-SEC8`).
+//                              The runtime mirror is one of the cases below.
+// AC-5 (NFT-SEC-07): no `alert()` in `src/`. Static side enforces this; runtime
+//                    side here only documents the current allowlist. The runtime
+//                    test would require renderring every component that calls
+//                    alert — out of black-box scope. Static check `STC-SEC7`
+//                    handles enforcement.
+//
+// Production drift (`src/features/admin/AdminPage.tsx:30-33` and table row
+// line 76):
+//   `handleDeleteClass` directly calls `api.delete` without gating through
+//   `<ConfirmDialog>`. The class-delete row's `<button onClick=...>` triggers
+//   the network mutation immediately. FT-P-26 + FT-N-07 are recorded as
+//   `it.fails()` until production wraps `handleDeleteClass` behind ConfirmDialog
+//   (Phase B feature task).
+
+const SEED_CLASSES = [
+  { id: 1, name: 'class-a', shortName: 'a', color: '#ff0000', maxSizeM: 7 },
+  { id: 2, name: 'class-b', shortName: 'b', color: '#00ff00', maxSizeM: 5 },
+]
+
+interface CapturedDelete {
+  url: string
+  classId: string
+}
+
+function captureClassDelete(): { deletes: CapturedDelete[] } {
+  const deletes: CapturedDelete[] = []
+  server.use(
+    http.delete('/api/admin/classes/:id', ({ request, params }) => {
+      deletes.push({ url: new URL(request.url).pathname, classId: String(params.id) })
+      return noContent()
+    }),
+    // AdminPage bootstrap: classes (annotations service), aircrafts, users.
+    // NOTE: `AdminPage` reads `/api/admin/users` as a flat User[]
+    // (`api.get<User[]>` then `users.map`) — but the suite-default MSW
+    // wraps `seedUsers` in `paginate(...)`. That's a documented
+    // production-vs-suite drift (admin handler should expose flat in dev).
+    // For this destructive-UX test we only care about class-delete
+    // wiring, so the override returns a flat empty array to keep
+    // AdminPage from crashing on `users.map`.
+    http.get('/api/annotations/classes', () => jsonResponse(SEED_CLASSES)),
+    http.get('/api/flights/aircrafts', () => jsonResponse([])),
+    http.get('/api/admin/users', () => jsonResponse([])),
+    // AuthContext bootstraps with GET /api/admin/auth/refresh; tests using
+    // <ProtectedRoute>-less render still mount AuthProvider. Return 401 so
+    // the unauth path resolves quickly and bootstrap finishes.
+    http.get('/api/admin/auth/refresh', () => new Response(null, { status: 401 })),
+  )
+  return { deletes }
+}
+
+describe('AZ-466 — Destructive UX policy (class-delete cross-component test)', () => {
+  beforeEach(() => {
+    seedBearer()
+  })
+
+  describe('AC-1 (FT-P-26) — happy path: Delete → Confirm → DELETE fires', () => {
+    it.fails(
+      'class-delete prompts a `<ConfirmDialog>` BEFORE issuing the DELETE',
+      async () => {
+        // Arrange
+        const { deletes } = captureClassDelete()
+        renderWithProviders(<AdminPage />)
+        // Wait for the class table to populate.
+        await screen.findByText('class-a')
+
+        // Act — find the delete button on the first class row.
+        const rows = screen.getAllByText(/^class-/i)
+        const firstRow = rows[0].closest('tr')!
+        const deleteBtn = firstRow.querySelector('button')!
+        await userEvent.click(deleteBtn)
+
+        // Assert — a ConfirmDialog must appear before any DELETE fires.
+        // Drift: AdminPage's `handleDeleteClass` issues api.delete directly
+        // (no ConfirmDialog wired). The DELETE fires immediately and the
+        // dialog never appears.
+        const dialog = await screen.findByRole('dialog', undefined, { timeout: 1000 })
+        expect(dialog).toBeInTheDocument()
+        expect(deletes).toHaveLength(0)
+
+        // Confirm via the dialog → DELETE fires now.
+        const confirm = screen.getAllByRole('button').find(b => /confirm/i.test(b.textContent ?? ''))!
+        await userEvent.click(confirm)
+        await waitFor(() => expect(deletes).toHaveLength(1), { timeout: 1000 })
+        clearBearer()
+      },
+    )
+
+    it('control: production today bypasses ConfirmDialog and deletes immediately', async () => {
+      // Pin the current (drift) one-click delete behavior. When AC-1 lands,
+      // this control flips red and is removed.
+      const { deletes } = captureClassDelete()
+      renderWithProviders(<AdminPage />)
+      await screen.findByText('class-a')
+
+      const rows = screen.getAllByText(/^class-/i)
+      const firstRow = rows[0].closest('tr')!
+      const deleteBtn = firstRow.querySelector('button')!
+      await userEvent.click(deleteBtn)
+
+      await waitFor(() => expect(deletes).toHaveLength(1), { timeout: 1000 })
+      expect(deletes[0].url).toMatch(/\/api\/admin\/classes\/\d+/)
+      clearBearer()
+    })
+  })
+
+  describe('AC-2 (FT-N-07) — cancel path: Delete → Cancel → NO DELETE fires', () => {
+    it.fails(
+      'class-delete with Cancel via the ConfirmDialog suppresses the DELETE entirely',
+      async () => {
+        // Arrange
+        const { deletes } = captureClassDelete()
+        renderWithProviders(<AdminPage />)
+        await screen.findByText('class-a')
+
+        // Act — click delete, then Cancel on the dialog.
+        const rows = screen.getAllByText(/^class-/i)
+        const firstRow = rows[0].closest('tr')!
+        await userEvent.click(firstRow.querySelector('button')!)
+
+        // Drift: the dialog never appears today. The find call fails first
+        // (no `role="dialog"` ever mounts), but even if it did, cancel would
+        // need to suppress a DELETE that today already fired synchronously.
+        const dialog = await screen.findByRole('dialog', undefined, { timeout: 1000 })
+        expect(dialog).toBeInTheDocument()
+        const cancel = screen.getAllByRole('button').find(b => /cancel/i.test(b.textContent ?? ''))!
+        await userEvent.click(cancel)
+
+        // Assert — NO DELETE was issued.
+        await new Promise(r => setTimeout(r, 50))
+        expect(deletes).toHaveLength(0)
+        clearBearer()
+      },
+    )
+  })
+
+  describe('AC-4 (FT-P-27 / NFT-SEC-08) — destructive surfaces enumeration', () => {
+    // The runtime side of FT-P-27 / NFT-SEC-08 is a multi-component static
+    // walk. Implementing it as a Vitest test would require rendering every
+    // production page and asserting every destructive surface mounts a
+    // ConfirmDialog. That is the static check's job (`STC-SEC8` in
+    // `scripts/run-tests.sh` calling `check-banned-deps.mjs --kind=destructive_unguarded`).
+    // We pin one runtime example here (AdminPage's class-delete) above to
+    // catch regressions on a known-current drift surface.
+    it.skip(
+      'QUARANTINE — full enumeration is enforced by STC-SEC8 (static check); per-surface runtime tests follow per-feature in Phase B',
+      () => {},
+    )
+  })
+})
diff --git a/tests/form_hygiene.test.tsx b/tests/form_hygiene.test.tsx
new file mode 100644
index 0000000..2e6f236
--- /dev/null
+++ b/tests/form_hygiene.test.tsx
@@ -0,0 +1,171 @@
+import { describe, it, expect, beforeEach } from 'vitest'
+import { http } from 'msw'
+import { server } from './msw/server'
+import { jsonResponse } from './msw/helpers'
+import { renderWithProviders, screen, waitFor, userEvent } from './helpers/render'
+import { seedBearer, clearBearer } from './helpers/auth'
+import SettingsPage from '../src/features/settings/SettingsPage'
+
+// AZ-475 — Numeric form input — empty / non-numeric rejection
+//
+// AC-1 (FT-N-11): clearing a numeric field MUST surface a validation error
+//                 and prevent the PUT from firing. Silent zero is a regression.
+// AC-2 (FT-N-12): typing a non-numeric value MUST surface a validation error
+//                 and prevent the PUT from firing.
+//
+// Production drift (`src/features/settings/SettingsPage.tsx:38-48, 59-60`):
+//   1. `<label>` carries no `htmlFor` — labels are not programmatically
+//      associated with their inputs (a separate a11y drift surfaced by this
+//      test's setup; the test works around it via DOM traversal). Phase B
+//      task should add `id`/`htmlFor` so `getByLabelText` works directly
+//      and screen readers can navigate the form.
+//   2. `parseInt(v) || 0` and `parseFloat(v) || 0` silently coerce empty
+//      input to 0 with no validation, then the save handler PUTs the
+//      zeroed payload. FT-N-11 / FT-N-12 are recorded as `it.fails()`
+//      until production lands a `useNumericField` validator (or equivalent)
+//      that blocks save on invalid input.
+
+function inputForLabel(labelText: RegExp | string): HTMLInputElement {
+  // SettingsPage's `<label>` is a sibling of the `<input>` inside a wrapper
+  // `<div>` (no `htmlFor`). Find the label, walk to its parent, then to the
+  // input. Once production lands `htmlFor` (drift #1 above), tests can use
+  // `screen.findByLabelText` directly.
+  const label = screen.getByText(labelText, { selector: 'label' })
+  const wrapper = label.parentElement
+  if (!wrapper) throw new Error(`label "${String(labelText)}" has no parent`)
+  const input = wrapper.querySelector('input')
+  if (!input) throw new Error(`no input next to label "${String(labelText)}"`)
+  return input as HTMLInputElement
+}
+
+interface CapturedPut {
+  url: string
+  body: Record<string, unknown>
+}
+
+function captureSettingsPut(): { puts: CapturedPut[] } {
+  const puts: CapturedPut[] = []
+  server.use(
+    http.put('/api/annotations/settings/system', async ({ request }) => {
+      puts.push({
+        url: new URL(request.url).pathname,
+        body: (await request.json()) as Record<string, unknown>,
+      })
+      return jsonResponse({ ok: true })
+    }),
+    // Settings page bootstraps three GETs.
+    http.get('/api/annotations/settings/system', () =>
+      jsonResponse({
+        id: 'sys-az475',
+        name: 'AZ-475 system',
+        militaryUnit: null,
+        defaultCameraWidth: 1920,
+        defaultCameraFoV: 60,
+      }),
+    ),
+    http.get('/api/annotations/settings/directories', () =>
+      jsonResponse({
+        id: 'dirs-az475',
+        videosDir: '/srv/v',
+        imagesDir: '/srv/i',
+        labelsDir: '/srv/l',
+        resultsDir: '/srv/r',
+        thumbnailsDir: '/srv/t',
+        gpsSatDir: '/srv/gs',
+        gpsRouteDir: '/srv/gr',
+      }),
+    ),
+    http.get('/api/flights/aircrafts', () => jsonResponse([])),
+    http.get('/api/admin/auth/refresh', () => new Response(null, { status: 401 })),
+  )
+  return { puts }
+}
+
+describe('AZ-475 — numeric form input rejection', () => {
+  beforeEach(() => {
+    seedBearer()
+  })
+
+  describe('AC-1 (FT-N-11) — empty numeric input', () => {
+    it.fails(
+      'shows a validation error and DOES NOT issue the PUT when the field is cleared',
+      async () => {
+        // Arrange
+        const { puts } = captureSettingsPut()
+        renderWithProviders(<SettingsPage />)
+        await screen.findByText(/Default Camera Width/i)
+        const widthInput = inputForLabel(/Default Camera Width/i)
+        expect(widthInput).toBeInTheDocument()
+
+        // Act
+        await userEvent.clear(widthInput)
+        // Find the matching Save button (first Save in tenant config block).
+        const saveButtons = await screen.findAllByRole('button', { name: /Save/i })
+        await userEvent.click(saveButtons[0])
+
+        // Assert — validation message present, no PUT issued.
+        // Drift today: SettingsPage uses `parseInt(v) || 0` (silent zero) AND
+        // issues the PUT regardless. Both halves of this assertion fail.
+        const error = await screen.findByText(/required|invalid|must be a number/i, undefined, {
+          timeout: 1000,
+        })
+        expect(error).toBeInTheDocument()
+        await new Promise(r => setTimeout(r, 50))
+        expect(puts).toHaveLength(0)
+        clearBearer()
+      },
+    )
+
+    it('control: production today silently coerces empty input to 0 and PUTs', async () => {
+      // Pin current behavior so a regression that, e.g., starts crashing on
+      // empty input is caught even before AC-1 is fixed. When AC-1 lands,
+      // this control flips red and is removed.
+      const { puts } = captureSettingsPut()
+      renderWithProviders(<SettingsPage />)
+      await screen.findByText(/Default Camera Width/i)
+      const widthInput = inputForLabel(/Default Camera Width/i)
+
+      await userEvent.clear(widthInput)
+      const saveButtons = await screen.findAllByRole('button', { name: /Save/i })
+      await userEvent.click(saveButtons[0])
+
+      await waitFor(() => expect(puts).toHaveLength(1), { timeout: 1000 })
+      expect(puts[0].body).toMatchObject({ defaultCameraWidth: 0 })
+      clearBearer()
+    })
+  })
+
+  describe('AC-2 (FT-N-12) — non-numeric input', () => {
+    it.fails(
+      'shows a validation error and DOES NOT issue the PUT when input is non-numeric',
+      async () => {
+        // Arrange
+        const { puts } = captureSettingsPut()
+        renderWithProviders(<SettingsPage />)
+        await screen.findByText(/Default Camera Width/i)
+        const widthInput = inputForLabel(/Default Camera Width/i)
+
+        // Act — `<input type="number">` ignores non-numeric typed chars in browsers,
+        // BUT user-event still fires onChange events. To force a non-numeric value
+        // through the React state we set the value directly via fireEvent on
+        // input. (`userEvent.type` would no-op on a number input for "abc".)
+        await userEvent.clear(widthInput)
+        widthInput.value = 'abc'
+        widthInput.dispatchEvent(new Event('input', { bubbles: true }))
+        widthInput.dispatchEvent(new Event('change', { bubbles: true }))
+
+        const saveButtons = await screen.findAllByRole('button', { name: /Save/i })
+        await userEvent.click(saveButtons[0])
+
+        // Assert — validation error visible; no PUT.
+        const error = await screen.findByText(/invalid|must be a number/i, undefined, {
+          timeout: 1000,
+        })
+        expect(error).toBeInTheDocument()
+        await new Promise(r => setTimeout(r, 50))
+        expect(puts).toHaveLength(0)
+        clearBearer()
+      },
+    )
+  })
+})
diff --git a/tests/msw/handlers/annotations.ts b/tests/msw/handlers/annotations.ts
index 291ae29..3b3756e 100644
--- a/tests/msw/handlers/annotations.ts
+++ b/tests/msw/handlers/annotations.ts
@@ -27,18 +27,41 @@ export const annotationsHandlers = [
     jsonResponse(seedAnnotations.filter((a) => a.mediaId === params.id)),
   ),
 
-  http.get('/api/annotations', () => jsonResponse(seedAnnotations)),
+  // Production routes use the doubly-prefixed canary `/api/annotations/annotations/*`
+  // — gateway prefix `/api/annotations/` + service base `/annotations/`. AZ-460 AC-1
+  // pins this path; the static check would catch a single-prefix regression.
+  http.get('/api/annotations/annotations', ({ request }) => {
+    const url = new URL(request.url)
+    const mediaId = url.searchParams.get('mediaId')
+    const items = mediaId ? seedAnnotations.filter((a) => a.mediaId === mediaId) : seedAnnotations
+    const page = Number(url.searchParams.get('page') ?? '1')
+    const pageSize = Number(url.searchParams.get('pageSize') ?? String(items.length))
+    return jsonResponse(paginate(items, page, pageSize))
+  }),
 
-  http.post('/api/annotations', async ({ request }) => {
+  http.post('/api/annotations/annotations', async ({ request }) => {
     const body = (await request.json()) as Record<string, unknown>
     return jsonResponse({ id: 'ann-new', createdDate: new Date().toISOString(), ...body }, { status: 201 })
   }),
 
-  http.patch('/api/annotations/:id/status', async ({ request, params }) => {
+  http.patch('/api/annotations/annotations/:id/status', async ({ request, params }) => {
     const body = (await request.json()) as { status?: number }
     return jsonResponse({ id: params.id, status: body.status ?? 10 })
   }),
 
+  http.delete('/api/annotations/annotations/:id', () => noContent()),
+
+  // Single-prefix variants kept for backward compatibility with existing tests
+  // that may rely on them. Production uses doubly-prefixed (above).
+  http.get('/api/annotations', () => jsonResponse(seedAnnotations)),
+  http.post('/api/annotations', async ({ request }) => {
+    const body = (await request.json()) as Record<string, unknown>
+    return jsonResponse({ id: 'ann-new', createdDate: new Date().toISOString(), ...body }, { status: 201 })
+  }),
+  http.patch('/api/annotations/:id/status', async ({ request, params }) => {
+    const body = (await request.json()) as { status?: number }
+    return jsonResponse({ id: params.id, status: body.status ?? 10 })
+  }),
   http.delete('/api/annotations/:id', () => noContent()),
 
   http.get('/api/annotations/dataset', () =>
@@ -87,4 +110,41 @@ export const annotationsHandlers = [
     const body = (await request.json()) as Record<string, unknown>
     return jsonResponse({ id: 'user-settings-1', userId: params.userId, ...body })
   }),
+
+  // System / directory settings — used by `<SettingsPage>` (production paths).
+  http.get('/api/annotations/settings/system', () =>
+    jsonResponse({
+      id: 'sys-settings-1',
+      name: 'Test System',
+      militaryUnit: null,
+      defaultCameraWidth: 1920,
+      defaultCameraFoV: 60,
+    }),
+  ),
+  http.put('/api/annotations/settings/system', async ({ request }) =>
+    jsonResponse(await request.json()),
+  ),
+  http.get('/api/annotations/settings/directories', () =>
+    jsonResponse({
+      id: 'dirs-1',
+      videosDir: '/srv/videos',
+      imagesDir: '/srv/images',
+      labelsDir: '/srv/labels',
+      resultsDir: '/srv/results',
+      thumbnailsDir: '/srv/thumbs',
+      gpsSatDir: '/srv/gps-sat',
+      gpsRouteDir: '/srv/gps-route',
+    }),
+  ),
+  http.put('/api/annotations/settings/directories', async ({ request }) =>
+    jsonResponse(await request.json()),
+  ),
+
+  // Used by AdminPage when listing detection classes for the editor.
+  http.get('/api/annotations/classes', () =>
+    jsonResponse([
+      { id: 1, name: 'class-a', shortName: 'a', color: '#ff0000', maxSizeM: 7 },
+      { id: 2, name: 'class-b', shortName: 'b', color: '#00ff00', maxSizeM: 5 },
+    ]),
+  ),
 ]
diff --git a/tests/msw/handlers/flights.ts b/tests/msw/handlers/flights.ts
index f83bde5..ebb72f2 100644
--- a/tests/msw/handlers/flights.ts
+++ b/tests/msw/handlers/flights.ts
@@ -54,8 +54,16 @@ export const flightsHandlers = [
     ]),
   ),
 
+  // Production uses the plural path `/api/flights/aircrafts`. Singular alias kept
+  // for any future test that follows REST-singular conventions; production paths win.
+  http.get('/api/flights/aircrafts', () => jsonResponse(seedAircraft)),
   http.get('/api/flights/aircraft', () => jsonResponse(seedAircraft)),
 
+  http.patch('/api/flights/aircrafts/:id', async ({ request, params }) => {
+    const body = (await request.json()) as Record<string, unknown>
+    return jsonResponse({ id: params.id, ...body })
+  }),
+
   http.post('/api/flights/aircraft', async ({ request }) => {
     const body = (await request.json()) as Record<string, unknown>
     return jsonResponse({ id: 'aircraft-new', ...body }, { status: 201 })
diff --git a/tests/overlay_membership.test.tsx b/tests/overlay_membership.test.tsx
new file mode 100644
index 0000000..53ce5ac
--- /dev/null
+++ b/tests/overlay_membership.test.tsx
@@ -0,0 +1,258 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest'
+import { renderWithProviders, waitFor } from './helpers/render'
+import CanvasEditor from '../src/features/annotations/CanvasEditor'
+import {
+  AnnotationSource,
+  AnnotationStatus,
+  Affiliation,
+  CombatReadiness,
+  MediaType,
+  MediaStatus,
+} from '../src/types'
+import type { Media, AnnotationListItem, Detection } from '../src/types'
+
+// AZ-462 — Overlay membership at the in-window edges
+//
+// AC-1 (FT-P-14, FT-P-15): annotation EXACTLY on `lowerBound` / `upperBound`
+//                          IS rendered (inclusive boundary).
+// AC-2 (FT-N-01, FT-N-02): annotation one frame interval beyond the bound is
+//                          NOT rendered (strict exclusion outside the window).
+// AC-3:                    assertion reads the canvas draw output, not React
+//                          internal state. We mock `HTMLCanvasElement.getContext`
+//                          to capture every `strokeRect` call — each rendered
+//                          detection produces one. This is the closest to "DOM
+//                          query" available for canvas-based rendering.
+//
+// Production drift (`src/features/annotations/CanvasEditor.tsx:215-220`):
+//   `getTimeWindowDetections` filters with `Math.abs(annTime - timeTicks) < 2_000_000`
+//   (strict `<`). The contract per AZ-462 is `<=` (inclusive). FT-P-14/15 are
+//   recorded as `it.fails()` until production lifts the operator.
+
+// Tick rate: production uses 10_000_000 ticks per second (.NET DateTime ticks);
+// the overlay window is ±2_000_000 ticks (= ±0.2 s) around `currentTime`.
+const TICKS_PER_SECOND = 10_000_000
+const HALF_WINDOW_TICKS = 2_000_000
+const HALF_WINDOW_SECONDS = HALF_WINDOW_TICKS / TICKS_PER_SECOND // 0.2 s
+const ONE_FRAME_TICKS = 333_333 // ~30 fps; small step beyond the boundary
+
+function ticksToTimecode(ticks: number): string {
+  // Mirror `formatTicks` in AnnotationsPage (HH:MM:SS.mmm) but accept ticks input.
+  const totalSeconds = ticks / TICKS_PER_SECOND
+  const h = Math.floor(totalSeconds / 3600)
+  const m = Math.floor((totalSeconds % 3600) / 60)
+  const wholeS = Math.floor(totalSeconds % 60)
+  const ms = Math.floor((totalSeconds - Math.floor(totalSeconds)) * 1000)
+  return `${String(h).padStart(2, '0')}:${String(m).padStart(2, '0')}:${String(wholeS).padStart(2, '0')}.${String(ms).padStart(3, '0')}`
+}
+
+function makeDetection(idx: number): Detection {
+  return {
+    id: `det-${idx}`,
+    classNum: 0,
+    label: `class-${idx}`,
+    confidence: 0.9,
+    affiliation: Affiliation.Hostile,
+    combatReadiness: CombatReadiness.NotReady,
+    centerX: 0.5,
+    centerY: 0.5,
+    width: 0.1,
+    height: 0.1,
+  }
+}
+
+function makeAnnotation(id: string, atTicks: number): AnnotationListItem {
+  return {
+    id,
+    mediaId: 'media-az462',
+    time: ticksToTimecode(atTicks),
+    createdDate: '2026-05-11T00:00:00Z',
+    userId: 'user-az462',
+    source: AnnotationSource.Manual,
+    status: AnnotationStatus.Created,
+    isSplit: false,
+    splitTile: null,
+    detections: [makeDetection(parseInt(id.split('-').pop() ?? '0', 10) || 0)],
+  }
+}
+
+const videoMedia: Media = {
+  id: 'media-az462',
+  name: 'overlay-edge.mp4',
+  path: '/media/overlay-edge.mp4',
+  mediaType: MediaType.Video,
+  mediaStatus: MediaStatus.New,
+  duration: '00:00:30',
+  annotationCount: 4,
+  waypointId: null,
+  userId: 'user-az462',
+}
+
+interface CanvasSpy {
+  strokeRectCalls: number
+  reset(): void
+}
+
+function installCanvasSpy(): CanvasSpy {
+  const state: CanvasSpy = {
+    strokeRectCalls: 0,
+    reset() {
+      this.strokeRectCalls = 0
+    },
+  }
+  const stub: Partial<CanvasRenderingContext2D> = {
+    clearRect: vi.fn(),
+    save: vi.fn(),
+    restore: vi.fn(),
+    drawImage: vi.fn(),
+    fillRect: vi.fn(),
+    strokeRect: vi.fn(() => {
+      state.strokeRectCalls += 1
+    }),
+    fillText: vi.fn(),
+    measureText: vi.fn(() => ({ width: 10 } as TextMetrics)),
+    arc: vi.fn(),
+    beginPath: vi.fn(),
+    fill: vi.fn(),
+    setLineDash: vi.fn(),
+    fillStyle: '',
+    strokeStyle: '',
+    lineWidth: 1,
+    font: '',
+    globalAlpha: 1,
+  }
+  // jsdom has no canvas implementation — getContext returns null by default.
+  // We override it on the prototype so every <canvas> mounted by CanvasEditor
+  // resolves to our recording stub.
+  HTMLCanvasElement.prototype.getContext = vi.fn(() => stub as CanvasRenderingContext2D) as unknown as typeof HTMLCanvasElement.prototype.getContext
+  return state
+}
+
+function renderOverlay(annotations: AnnotationListItem[], currentTimeSeconds: number) {
+  return renderWithProviders(
+    <CanvasEditor
+      media={videoMedia}
+      annotation={null}
+      detections={[]}
+      onDetectionsChange={() => {}}
+      selectedClassNum={0}
+      currentTime={currentTimeSeconds}
+      annotations={annotations}
+    />,
+  )
+}
+
+describe('AZ-462 — overlay membership at in-window edges', () => {
+  let spy: CanvasSpy
+  let originalRaf: typeof globalThis.requestAnimationFrame
+
+  beforeEach(() => {
+    spy = installCanvasSpy()
+    // Force RAF to fire synchronously so the first draw lands before the
+    // assertion runs (jsdom's RAF queues to a microtask which is fine, but
+    // syncing avoids flakes when the test environment under-schedules it).
+    originalRaf = globalThis.requestAnimationFrame
+    globalThis.requestAnimationFrame = ((cb: FrameRequestCallback) => {
+      cb(performance.now())
+      return 0
+    }) as typeof globalThis.requestAnimationFrame
+  })
+
+  afterEach(() => {
+    globalThis.requestAnimationFrame = originalRaf
+  })
+
+  describe('AC-1 — inclusive boundary (annotation exactly on bound IS rendered)', () => {
+    it.fails(
+      'FT-P-14: annotation at the LOWER in-window edge is rendered',
+      async () => {
+        // Arrange — currentTime = 5s; lower bound = 5s − 0.2s = 4.8s.
+        const currentTimeSeconds = 5
+        const lowerBoundTicks = (currentTimeSeconds - HALF_WINDOW_SECONDS) * TICKS_PER_SECOND
+        const annOnLowerBound = makeAnnotation('ann-1', lowerBoundTicks)
+
+        // Act
+        renderOverlay([annOnLowerBound], currentTimeSeconds)
+
+        // Assert — exactly one strokeRect (one detection, on bound).
+        // Production uses strict `<` ⇒ boundary excluded ⇒ 0 strokeRect calls ⇒ this fails.
+        await waitFor(() => expect(spy.strokeRectCalls).toBeGreaterThanOrEqual(1), {
+          timeout: 1000,
+        })
+      },
+    )
+
+    it.fails(
+      'FT-P-15: annotation at the UPPER in-window edge is rendered',
+      async () => {
+        const currentTimeSeconds = 5
+        const upperBoundTicks = (currentTimeSeconds + HALF_WINDOW_SECONDS) * TICKS_PER_SECOND
+        const annOnUpperBound = makeAnnotation('ann-2', upperBoundTicks)
+
+        renderOverlay([annOnUpperBound], currentTimeSeconds)
+
+        await waitFor(() => expect(spy.strokeRectCalls).toBeGreaterThanOrEqual(1), {
+          timeout: 1000,
+        })
+      },
+    )
+
+    it('control: production uses strict `<`, so the EXACT boundary is excluded today', async () => {
+      // This positive control pins the CURRENT (drift) behavior so a regression
+      // that flips the operator to `<=` without lifting the AC drift gets caught.
+      // When AC-1 is fixed, this test goes red and is removed alongside.
+      const currentTimeSeconds = 5
+      const lowerBoundTicks = (currentTimeSeconds - HALF_WINDOW_SECONDS) * TICKS_PER_SECOND
+      const annOnLowerBound = makeAnnotation('ann-3', lowerBoundTicks)
+
+      renderOverlay([annOnLowerBound], currentTimeSeconds)
+
+      // Wait for at least one tick so RAF would have fired if it were going to.
+      await new Promise(r => setTimeout(r, 10))
+      expect(spy.strokeRectCalls).toBe(0)
+    })
+  })
+
+  describe('AC-2 — strict exclusion (annotation outside the window NOT rendered)', () => {
+    it('FT-N-01: annotation BEFORE the lower bound is not rendered', async () => {
+      // Arrange — annotation at lowerBound − 1 frame.
+      const currentTimeSeconds = 5
+      const beforeLowerTicks =
+        (currentTimeSeconds - HALF_WINDOW_SECONDS) * TICKS_PER_SECOND - ONE_FRAME_TICKS
+      const annBeforeLower = makeAnnotation('ann-4', beforeLowerTicks)
+
+      // Act
+      renderOverlay([annBeforeLower], currentTimeSeconds)
+
+      // Assert — no strokeRect calls (annotation rejected by the time-window filter).
+      await new Promise(r => setTimeout(r, 10))
+      expect(spy.strokeRectCalls).toBe(0)
+    })
+
+    it('FT-N-02: annotation AFTER the upper bound is not rendered', async () => {
+      const currentTimeSeconds = 5
+      const afterUpperTicks =
+        (currentTimeSeconds + HALF_WINDOW_SECONDS) * TICKS_PER_SECOND + ONE_FRAME_TICKS
+      const annAfterUpper = makeAnnotation('ann-5', afterUpperTicks)
+
+      renderOverlay([annAfterUpper], currentTimeSeconds)
+
+      await new Promise(r => setTimeout(r, 10))
+      expect(spy.strokeRectCalls).toBe(0)
+    })
+
+    it('control: an annotation comfortably inside the window IS rendered', async () => {
+      // Positive control — proves the test apparatus would observe a render
+      // when the time-window filter accepts an annotation. Without this, a
+      // canvas-stub failure would cause every assertion to vacuously pass.
+      const currentTimeSeconds = 5
+      const insideTicks = currentTimeSeconds * TICKS_PER_SECOND
+      const annInside = makeAnnotation('ann-6', insideTicks)
+
+      renderOverlay([annInside], currentTimeSeconds)
+
+      await waitFor(() => expect(spy.strokeRectCalls).toBeGreaterThanOrEqual(1), {
+        timeout: 1000,
+      })
+    })
+  })
+})
diff --git a/tests/security/banned-deps.json b/tests/security/banned-deps.json
index 02ae66f..02aecb6 100644
--- a/tests/security/banned-deps.json
+++ b/tests/security/banned-deps.json
@@ -81,5 +81,38 @@
     "patterns": [
       "335799082893fad97fa36118b131f919"
     ]
+  },
+  "alert_calls": {
+    "ac": "NFT-SEC-07 (AZ-466 AC-5) — no alert() in production source",
+    "scope": "src/ and mission-planner/ (production sources; tests excluded)",
+    "match": "ripgrep-pattern",
+    "patterns": [
+      "\\balert\\s*\\("
+    ],
+    "$allowlist_comment": "Snapshot of currently-allowed alert() locations. Phase B feature tasks should drain this list one entry at a time. New alerts are blocked by the static check; removing an entry is a code-review-visible improvement.",
+    "allowlist": [
+      "src/features/annotations/MediaList.tsx",
+      "src/features/flights/FlightsPage.tsx",
+      "mission-planner/src/flightPlanning/JsonEditorDialog.tsx",
+      "mission-planner/src/flightPlanning/flightPlan.tsx"
+    ]
+  },
+  "destructive_surfaces": {
+    "ac": "NFT-SEC-08 (AZ-466 AC-4) — every destructive surface is reviewed and either gated by ConfirmDialog or recorded as a known drift",
+    "scope": "src/ files that call api.delete( or destructive api.patch(",
+    "match": "file-level: a file containing a destructive call MUST be listed below; new destructive surfaces FAIL the check",
+    "patterns": [
+      "api\\.delete\\(",
+      "api\\.patch\\([^,]+,\\s*\\{\\s*isActive\\s*:"
+    ],
+    "$gated_comment": "Files that perform destructive mutations AND wire ConfirmDialog around them. Code review checks the wiring per file.",
+    "gated": [
+      "src/features/annotations/MediaList.tsx",
+      "src/features/flights/FlightsPage.tsx"
+    ],
+    "$drift_comment": "Files that perform destructive mutations WITHOUT a ConfirmDialog gate today. Phase B follow-up tasks land the gate and move each entry to `gated`. Adding a new entry here requires a code-review reason.",
+    "drift": [
+      "src/features/admin/AdminPage.tsx"
+    ]
   }
 }
diff --git a/tests/setup.ts b/tests/setup.ts
index 70688aa..b41f7c3 100644
--- a/tests/setup.ts
+++ b/tests/setup.ts
@@ -4,6 +4,41 @@ import { cleanup } from '@testing-library/react'
 import { server } from './msw/server'
 import { setToken, setNavigateToLogin } from '../src/api/client'
 
+// JSDOM polyfills for browser APIs production code touches at mount time.
+// These are no-op stubs — tests that exercise the actual behavior install
+// richer fakes per-suite (e.g. `tests/sse_lifecycle.test.tsx` overrides
+// `globalThis.EventSource` and restores it; that pattern still works).
+class NoopResizeObserver {
+  observe(): void {}
+  unobserve(): void {}
+  disconnect(): void {}
+}
+
+class NoopEventSource extends EventTarget {
+  url: string
+  readyState: 0 | 1 | 2 = 0
+  onopen: ((e: Event) => void) | null = null
+  onmessage: ((e: MessageEvent) => void) | null = null
+  onerror: ((e: Event) => void) | null = null
+  constructor(url: string | URL) {
+    super()
+    this.url = String(url)
+  }
+  close(): void {
+    this.readyState = 2
+  }
+  static readonly CONNECTING = 0
+  static readonly OPEN = 1
+  static readonly CLOSED = 2
+}
+
+const g = globalThis as unknown as {
+  ResizeObserver?: typeof NoopResizeObserver
+  EventSource?: typeof NoopEventSource
+}
+if (!g.ResizeObserver) g.ResizeObserver = NoopResizeObserver
+if (!g.EventSource) g.EventSource = NoopEventSource
+
 // MSW boundary configured per AZ-456 AC-3:
 //   - All outbound /api/<service>/... fetches MUST be intercepted.
 //   - A test missing a handler for a network request is a HARD failure