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[AZ-512] Cycle 4 closure: deploy + retro + lessons + state

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Closes cycle 4 (AZ-512 admin class inline edit).

Steps 16-17 artifacts:
- deploy_cycle4_report.md: ui/ dev pushed (09449bd..8737491, 4 commits,
  fast-forward); stage/main and admin/ dev deferred at the push-scope
  gate (option A; same as cycle 3). AZ-513 admin/ implementation +
  deploy gate stays open as the cross-workspace prerequisite.
- retro_2026-05-13_cycle4.md: PASS_WITH_WARNINGS verdict carries;
  243 PASS / 13 SKIP / 0 FAIL; bundle 291 332 B (+757 B / +0.26%);
  net architecture delta 0; user-action backlog 7 -> 9 (rate
  decelerating from +4 to +2); first cycle where the user explicitly
  overrode a spec-conservative default (AZ-512 Option B).
- structure_2026-05-13_cycle4.md: identity-copy snapshot; no new
  components, no new gates, no new barrels, no new wire-contract
  assertions, no new architecture findings.
- LESSONS.md: top-3 cycle-4 lessons appended (testing/testing/process),
  ring buffer at 12 of 15.
- _autodev_state.md: cycle 4 closed, cycle 5 entered awaiting New Task.

Jira AZ-512: In Testing -> Done with cycle-4 closing comment.

Co-authored-by: Cursor <cursoragent@cursor.com>
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Oleksandr Bezdieniezhnykh
2026-05-13 04:56:42 +03:00
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# Retrospective — 2026-05-13 (Phase B Cycle 4)
**Mode**: cycle-end (autodev existing-code Step 17)
**Scope**: Phase B, cycle 4 (`state.cycle = 4`)
**Epic / theme**: AZ-509 (UI workspace cycle 3 epic, continued) — single carry-over task AZ-512 reactivated under user-authorized Option B after cycle 3's Cross-Workspace Verification BLOCKING gate
**Cycle duration**: 1 batch (batch 16) over 1 working day (2026-05-13)
**Previous retro**: `_docs/06_metrics/retro_2026-05-13_cycle3.md` (cycle 3, same calendar day)
## Implementation Summary
| Metric | Value | Δ vs cycle 3 |
|--------|-------|--------------|
| Tasks attempted | 1 (AZ-512) | −2 |
| Tasks delivered | 1 (AZ-512) | −1 (cycle 3 shipped 2, deferred 1) |
| Tasks deferred at spec gate | 0 (the only deferral was the cycle-3 carry, already reactivated this cycle) | −1 |
| Total batches | 1 (batch 16) | −2 |
| Total complexity points planned | 3 | −6 |
| Total complexity points delivered | 3 | −3 |
| Avg tasks per batch | 1 | 0 |
| Avg complexity per (completed) batch | 3 | 0 |
| Source files mutated | 5 production + test + 1 component-doc + 5 cross-cutting docs | n/a (different shape from cycle 3) |
| Cycle shape | Single-task reactivation cycle — user explicitly overrode the cycle-3 conservative-path default | new pattern |
Sources: `batch_16_cycle4_report.md`, `implementation_report_admin_class_edit_cycle4.md`, `deploy_cycle4_report.md`, `security_report_cycle4_delta.md`, `perf_2026-05-13_cycle4.md`, `structure_2026-05-13_cycle4.md`.
## Quality Metrics
### Code Review Results
| Verdict | Count | Percentage | Δ vs cycle 3 |
|---------|-------|-----------|--------------|
| PASS (inline self-review per batch report) | 1 (batch 16) | 100 % | +1 (cycle 3 had 2 PASS) |
| PASS_WITH_WARNINGS | 0 | 0 % | 0 |
| FAIL | 0 | 0 % | 0 |
| (no review — deferred at gate) | 0 | 0 % | −1 |
Note: batch 16 used inline self-review (3-point single-task batch). A formal `/code-review` skill run is scheduled for batch 18 (cumulative-review cadence is every K=3 batches).
### Findings by Severity (code review only)
| Severity | Count | Δ vs cycle 3 |
|----------|-------|--------------|
| Critical | 0 | 0 |
| High | 0 | 0 |
| Medium | 0 | 0 |
| Low | 0 | 0 |
### Findings by Category (code review)
All zero (cycle 3 was also all-zero). No new pattern.
### Security-Audit Findings (Step 14 — cycle 4 delta against cycle 3)
| Status change | Count | Notable IDs |
|---------------|-------|-------------|
| Closed | 0 | — |
| Newly introduced (LOW) | 1 | F-SAST-CY4-1 — lost-update / mid-air-collision on `PATCH /api/admin/classes/{id}` (by design per AZ-512 spec; promotes to a UI ticket only when AZ-513 lands and the backend's concurrency model is known) |
| Carried forward unchanged | 12 | F-SAST-1 (HIGH, git-history), F-SAST-CY3-1 (LOW, test-only barrel export), F-SAST-2/3/4, F-INF-1..5 |
**Security verdict trajectory**: cycle 3 PASS_WITH_WARNINGS → cycle 4 **PASS_WITH_WARNINGS** (unchanged). `bun audit` re-run clean. No OWASP category status flipped.
## Structural Metrics
Source: `_docs/06_metrics/structure_2026-05-13_cycle4.md` (this cycle), compared against `structure_2026-05-13.md` (cycle 3 close).
| Metric | Cycle 2 close | Cycle 3 close | Cycle 4 close | Δ vs cycle 3 |
|--------|---------------|---------------|---------------|--------------|
| Component count | 12 | 12 | 12 | 0 |
| Public-API barrels | 11 / 11 | 11 / 11 | 11 / 11 | 0 |
| STC-ARCH-01 carve-out exemptions | 1 | 0 | 0 | 0 (held at zero) |
| Commit-time static gates | 33 / 33 PASS | 33 / 33 PASS | 33 / 33 PASS | 0 |
| Architecture cycles | 0 | 0 | 0 | 0 |
| Architecture findings open (baseline F1–F9) | 7 of 9 | 6 of 9 | 6 of 9 | 0 |
| Newly introduced architecture violations | 0 | 0 | 0 | 0 |
| Net architecture delta this cycle | 0 | −1 | **0** | reverted to net-zero |
| Wire-contract assertions (`endpoints.test.ts`) | 36 | 37 | 37 | 0 (AZ-512 reused `endpoints.admin.class(id)`) |
| Fast-profile suite | 229 PASS / 13 SKIP / 0 FAIL | 231 PASS / 13 SKIP / 0 FAIL | **243 PASS / 13 SKIP / 0 FAIL** | **+12 PASS**, 0 SKIP |
| Bundle (gzipped initial JS) | 290 465 B | 290 575 B | **291 332 B** | +757 B (+0.26 %; ~13.89 % budget) |
### Auto-lesson triggers (per skill Step 1)
- Net Architecture delta > 0? **No** — delta is 0.
- Structural metric regression > 20 %? **No** — every structural metric held; test count +5.2% (improvement); bundle +0.26% (well within budget).
- Contract coverage % decreased? **No** — wire-contract assertions held at 37.
- New finding category emerged? **No** — security audit ran in delta mode; categories stable.
**Zero auto-lesson triggers fired.** Manual lessons (3 picked) appear in §LESSONS Append below.
## Efficiency
| Metric | Value | Δ vs cycle 3 |
|--------|-------|--------------|
| Blocked tasks (cycle-internal) | 0 | 0 |
| Tasks deferred to backlog at spec gate | 0 | −1 (the cycle-3 deferral was the one reactivated here) |
| Cross-workspace prerequisite tickets filed | 0 | −1 (AZ-513 already filed in cycle 3) |
| Pre-existing bugs surfaced as side observations | 1 (MSW `/api/admin/users` paginated vs `AdminPage.tsx` flat-array expectation) | 0 |
| Tasks pending external user action (cycle-4 close) | **9** | +2 vs cycle 3's 7 |
| Tasks requiring fixes after review | 0 | 0 |
| Batch with most findings | none — 0 findings cycle-wide | n/a |
| Auto-fix loops invoked | 0 | 0 |
| Stuck-agent incidents | 0 | 0 |
| Unplanned implementation-time test stabilization loops | 1 — selector-target fix in `destructive_ux.test.tsx` after the ✎ button was inserted before `×` | −3 (cycle 3 had 4 for AZ-510's module-scoped state ripple) |
### Blocker Analysis
| Blocker Type | Count | Prevention |
|--------------|-------|-----------|
| Pre-existing bug surfaced during test writing | 1 | New cycle-4 lesson: when a new test mounts the full container component, run it once *without* defensive fixture overrides and let the natural crashes surface latent fixture-vs-source drift, then either fix or document — never silently work around. See Improvement Action #3. |
| Selector regression in adjacent test from new affordance | 1 | New cycle-4 lesson: adding a new control to a DOM row that already holds existing controls requires auditing the test corpus for selectors like `querySelector('button')` or `getByRole('button')` without disambiguation. See Improvement Action #2. |
| Cycle-3 deferred deploy items (carry) | 3 (D-CY3-STAGE/MAIN/ADMIN-PUSH) | Still not actioned. Cycle 4 added 3 more deploy-deferred items (D-CY4-STAGE/MAIN/ADMIN-PUSH). Compounding. |
| Cross-workspace deploy gate (carry from cycles 2 and 3) | 4 (L-AZ-498-DEPLOY, L-AZ-499-OWM-REVOKE, L-AZ-501-GOOGLE-REVOKE, L-AZ-512-ADMIN-PREREQ — last one re-opened cycle 4) | Same as cycle-3 retro Action #3 — drain mechanism still not implemented. |
### User-action backlog at cycle close
| Category | Count | Items |
|----------|-------|-------|
| Manual third-party console action | 2 | L-AZ-499-OWM-REVOKE, L-AZ-501-GOOGLE-REVOKE (carry from cycle 2) |
| Cross-workspace deploy gate (satellite-provider) | 1 | L-AZ-498-DEPLOY (carry from cycle 2) |
| Cross-workspace prerequisite ticket awaiting sibling-team work | 1 | AZ-513 implementation on `admin/` (re-opened cycle 4 under user-authorized Option B) |
| Cycle deploy-push pending | 5 | D-CY3-STAGE, D-CY3-MAIN, D-CY3-ADMIN-PUSH (carry); D-CY4-STAGE, D-CY4-MAIN, D-CY4-AZ513-IMPL — note the cycle-4 AZ-513 deploy gate is the same item as the cross-workspace prereq above when counted only once (de-dup) |
| **Total (de-duplicated)** | **9** | (cycle 1 close: 0 → cycle 2 close: 3 → cycle 3 close: 7 → cycle 4 close: **9**) |
> Trajectory continues: 0 → 3 → 7 → **9**. Net growth +2 this cycle (cycle 4 added D-CY4-STAGE + D-CY4-MAIN; AZ-513 re-opened as `cross-workspace prerequisite`; D-CY4-ADMIN-PUSH was carried-not-added because the user kept the same dev-only push scope as cycle 3). Cycle-3 retro Improvement Action #3 (track backlog as first-class metric) is now being applied — but the drain mechanism (step-0 sweep that closes items, not just notices them) is still pending. **Backlog growth is decelerating** (+3, +4, **+2**); even so, the gap between accumulated and drained remains the dominant signal.
### User-decision points (cycle 4 only)
- Cycle-4 entry: user **explicitly overrode** the cycle-3 conservative-path default for AZ-512 ("implement 512, 513 would be implemented in minutes. You can write mocks for backend data anyway for testing."). The spec was updated to record this as user-authorized Option B; the leftover entry was re-opened with the Option-B rationale. This is the first cross-cycle override of a spec-conservative default in cycles 1-4.
- Step 13 → Steps 14+15 gate: user chose **D** (run both Security Audit AND Performance Test) — first time across cycles 1-4 that BOTH optional gates ran inline. Cycle 3 also ran both via auto-chain but Step 15 emitted no separate report; cycle 4 produced standalone `perf_2026-05-13_cycle4.md` for the first time.
- Cycle-4 Step 16 deploy gate: user chose **A** (push to ui/ dev only) — same option as cycle 3. Stage / main / admin/ dev push deferred.
## Trend Comparison
| Trend | Cycle 1 | Cycle 2 | Cycle 3 | Cycle 4 | Direction |
|-------|---------|---------|---------|---------|-----------|
| Code review pass rate (formally-reviewed batches) | 100 % | 50 % | 100 % | 100 % (self-review) | held |
| Test count (cumulative this cycle delta) | +46 | +20 | +2 | **+12** | rebounded from cycle-3 low |
| Static gate count | +2 | +2 | 0 | **0** | held |
| Architecture findings open (baseline) | 7 (−2) | 7 (0) | 6 (−1) | **6 (0)** | held flat |
| STC-ARCH-01 exemptions | 1 | 1 | 0 | **0** | held at zero |
| Wire-contract assertions | 36 | 36 | 37 (+1) | **37 (0)** | held |
| Pending USER actions at cycle close | 0 | 3 | 7 | **9** | ⬆ still growing (rate decelerating) |
| Tasks deferred to backlog at spec gate | 0 | 0 | 1 | **0** | reverted (the cycle-3 deferral was the one reactivated) |
| Cycles where user overrode a spec-conservative default | 0 | 0 | 0 | **1** (AZ-512 Option B) | new pattern |
| Bundle (gzipped initial JS, B) | — | 290 465 | 290 575 (+110) | **291 332 (+757)** | growing in line with feature delta; far within budget |
Cycle 4 is the first single-task reactivation cycle (vs cycle 3's three-task fresh cycle). The cycle-3 retro called out that the AZ-512 gate worked as designed; cycle 4 confirms the *other half* of the design: a user-authorized override path can flow through the entire 9→17 step sequence without regressions, while preserving the deploy gate. Both halves of the gate design are now field-validated.
## Top 3 Improvement Actions
1. **Codify a "pre-existing-bug surface lifting" routine — observe-then-document, never silently work-around.**
While writing `tests/admin_class_edit.test.tsx`, I discovered the `/api/admin/users` MSW handler's paginated response vs `AdminPage.tsx`'s flat-array expectation by hitting a `users.map is not a function` render crash. The route taken was: document in batch_16_cycle4_report.md "Pre-existing bug noted", apply a local workaround (`stubUsersAsPlainArray()` in `beforeEach`), and recommend filing a separate UI-workspace ticket. This was the right tactical move, but the **systematic routine** is missing — there's no checklist anywhere that says "when a new test mounts a container component, run it once with default fixtures only, name any crashes, and decide explicitly fix-now vs document-and-defer." Without that routine, future cycles will keep accumulating quiet local workarounds and the side-observed bug list grows without a tracking artifact.
- Impact: medium — the failure mode (silent test-fixture overrides masking real source bugs) is the test-side analog of "client-side validation only" — looks green, but tested against a fake. Two distinct cycles (3 and 4) already surfaced one bug each through this route.
- Effort: low — add a section "Pre-existing-bug surfacing during test writing" to `_docs/02_tasks/_templates/module_scoped_state_introduction.md` (created in cycle 3) and to the implementation skill's batch-report template; require the batch report to either list "Pre-existing bug noted" entries or affirm "None observed; ran with default fixtures only".
2. **Audit test selectors that pick "the button" / "the link" / "the input" without disambiguation, before adding a new affordance to an existing DOM region.**
The cycle-4 ✎ edit button was inserted into the same `<td>` that holds the `×` delete button. `tests/destructive_ux.test.tsx` had three call sites using `firstRow.querySelector('button')` — each silently rebound to the new ✎ button instead of the old `×` button, and the tests would have shipped green-but-meaningless if not caught by the test run. The fix was 1-line per site (`Array.from(...).find(b => b.textContent === '×')`). The deeper lesson is that the failure mode is **invisible at code-review time** — a code reviewer reading the source diff has no view into which test selectors will resolve to which DOM element, only the test run reveals it. The cheap structural prevention: before adding a new control to a DOM region, grep the test corpus for `querySelector('button|input|a')` / `getByRole('button')` without name/text disambiguation, in the same file / sibling files, and add disambiguating selectors *in the affordance batch*.
- Impact: medium — saves one stabilization loop per affordance addition; the cost of NOT catching it is silent test-meaning-drift in destructive-UX assertions, which is exactly the kind of bug Finding B4 (cycle 1) was filed for.
- Effort: low — add a 3-bullet checklist to the implement skill's "Adjacent hygiene" rules: (a) before inserting a new button/input into an existing row/region, grep for non-disambiguated selectors targeting that region; (b) update them in the same commit; (c) if you can't make them disambiguated without changing the source DOM, prefer giving the new control a stable `data-testid` over rewriting test selectors.
3. **Add a "user-action backlog drain rate" to the retrospective metric set.**
Cycle 3 retro added "user-action backlog at cycle close" as an absolute count. Cycle 4 now has two consecutive data points (7 → 9). The signal in absolute count is being applied — but the signal that matters for process-shape is the **drain rate**: how many items got closed *this* cycle vs how many got added? Cycle 4: 1 item state-transitioned (L-AZ-512-ADMIN-PREREQ moved from "deferred awaiting AZ-513" to "re-opened under Option B"; technically still open), +2 net new (D-CY4-STAGE, D-CY4-MAIN). So drain = 0, add = 2, net = +2. Tracking drain explicitly will make the drain-mechanism conversation concrete — today the retro just says "backlog is +2, drain mechanism still pending" with no metric to optimize.
- Impact: medium — operationalizes cycle-3 Action #3. Makes the drain-mechanism design (which is presumably a step-0 sweep that closes items, not just notices them) measurable from the first cycle it runs.
- Effort: low — extend `.cursor/skills/retrospective/SKILL.md` Step 1 metric collection with a "User-action backlog drain rate" subsection (count of items added this cycle vs items closed this cycle vs net change vs absolute close-count), and add to the retrospective-report template.
## Suggested Rule / Skill Updates
| File | Change | Rationale |
|------|--------|-----------|
| `.cursor/skills/implement/SKILL.md` (Adjacent Hygiene section) | Add the 3-bullet "test selector audit" checklist for inserting a new control into an existing DOM region. | §Top 3 Improvement Action #2. |
| `.cursor/skills/implement/templates/batch_report.md` (if it exists) or `_docs/02_tasks/_templates/module_scoped_state_introduction.md` | Add "Pre-existing-bug surfacing during test writing" subsection requirement: batch report must explicitly list observed pre-existing bugs OR affirm "None observed; ran with default fixtures only". | §Top 3 Improvement Action #1. |
| `.cursor/skills/retrospective/SKILL.md` (Step 1 metrics) | Add **"User-action backlog drain rate"** metric: items added this cycle / items closed this cycle / net delta / absolute close-count; track alongside the absolute count introduced in cycle 3. | §Top 3 Improvement Action #3. |
| `.cursor/skills/retrospective/templates/retrospective-report.md` | Add a "User-action backlog drain rate" sub-table alongside the absolute table under Efficiency. | §Top 3 Improvement Action #3. |
| `_docs/LESSONS.md` (top) | Append the 3 lessons in §LESSONS Append below; trim to ≤ 15 entries. | Skill Step 4. |
## Notes — Step 16 outcome
Step 16 (Deploy) ran in **real-cutover mode (option A)** for the second consecutive cycle. Push scope was ui/ `dev` only (4 commits, fast-forward `09449bd..8737491`). The cycle-3 closure commit `eef3bdf` (which had been locally ahead since cycle 3's push) shipped this cycle alongside cycle-4's three commits. Stage / main / admin/ `dev` pushes were deferred at the push-scope sub-gate (user chose option A — ui/ dev only).
- Devices will not auto-pull cycle-3 + cycle-4 changes until `dev → stage → main` completes (D-CY4-STAGE, D-CY4-MAIN).
- AZ-513 task spec still sits locally on `admin/` `dev` — admin/ team cannot pick it up until D-CY3-ADMIN-PUSH lands (now carried into cycle 5).
- No Dockerfile / `.woodpecker/` / nginx / env changes in cycle 4 — verified inline by the security audit (Step 14 enumerated the changed-file set as 6 source/test + 5 doc files only).
- The deployed ui/ dev build will surface `admin.classes.updateFailed` on real edits until AZ-513 ships in admin/ — by design under the user-authorized Option B path.
These items add to the user-action backlog; see §Efficiency → User-action backlog table.
## LESSONS Append (top 3, single-sentence, tagged)
1. **[testing]** When inserting a new control (button, input, link) into an existing DOM row or region that already holds other controls, audit the test corpus *before* the commit for non-disambiguated selectors targeting that region (`querySelector('button')`, `getByRole('button')` without `name`/`text`, indexed `querySelectorAll('button')[0]`) and either update them with disambiguating text/role/name in the same affordance commit or give the new control a stable `data-testid` — otherwise the new control silently rebinds existing assertions to the wrong element and the tests ship green-but-meaningless, exactly as cycle 4's `destructive_ux.test.tsx` did when the AZ-512 ✎ button became the new first button in the class-row action cell.
2. **[testing]** When a new test mounts a container component end-to-end, run it once with the project's default test fixtures only (no per-test override) and explicitly name any natural crashes ("`users.map is not a function`") in the batch report as "Pre-existing bug noted" — never silently apply a local fixture workaround without recording the latent drift, because each silent workaround hides a source-vs-fixture mismatch that future authors will re-encounter as a "mysterious test setup", and cycle 4's `tests/admin_class_edit.test.tsx` was the second cycle to surface one through this route.
3. **[process]** When the user explicitly overrides a spec-conservative cycle-defer decision (the AZ-512 Option B authorization: "implement now, write mocks for backend"), the autodev MUST preserve every downstream gate that the conservative path would have enforced — re-record the override rationale in the leftover entry, keep the cross-workspace deploy gate visible at Step 16, mark the carried tickets distinctly from cycle-internal carries, and surface the override as a first-class retrospective trend ("Cycles where user overrode a spec-conservative default") — so the operating cost of the override stays measurable and the user's downstream visibility is unchanged from the conservative path.
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# Structural Snapshot — 2026-05-13 (Phase B Cycle 4 close)
**Cycle**: Phase B, cycle 4 (`state.cycle = 4`)
**Source-of-truth files**: `_docs/02_document/module-layout.md`, `_docs/02_document/architecture_compliance_baseline.md`, `scripts/check-arch-imports.mjs`, `scripts/run-tests.sh`, `src/api/endpoints.test.ts`.
**Previous snapshot**: `_docs/06_metrics/structure_2026-05-13.md` (Phase B cycle 3 close).
> Cycle 4 was a single-task, contained UI-feature cycle (AZ-512 admin class inline edit). It introduced **no new components**, **no new gates**, **no new barrels**, **no new wire-contract assertions**, and **no new architecture findings**. The structural snapshot is therefore a near-identity copy of cycle 3 close with two non-structural deltas: test count (+12) and bundle size (+757 B).
## Component Inventory
| Metric | Cycle 1 close | Cycle 3 close | Cycle 4 close | Δ vs cycle 3 |
|--------|---------------|---------------|---------------|--------------|
| Component count | 12 | 12 | 12 | 0 |
| Components with Public API barrels | 11 | 11 | 11 | 0 |
| Barrel coverage (eligible components) | 100 % | 100 % | 100 % | 0 |
| Documented feature→feature edges (grandfathered) | 1 | 1 | 1 | 0 |
| Documented STC-ARCH-01 carve-out exemptions | 1 | 0 | 0 | 0 (held at zero) |
| Cycles in component import graph | 0 | 0 | 0 | 0 |
## Architecture Gates (cycle 4 close)
| Gate | Added in | Enforces | Status (cycle 4 close) |
|------|----------|----------|------------------------|
| `STC-ARCH-01` | Cycle 1 / AZ-485 | No cross-component deep imports; barrels are the Public API | PASS (zero exemptions — held since cycle 3) |
| `STC-ARCH-02` | Cycle 1 / AZ-486 | No hardcoded `/api/<service>/...` literals in production source | PASS |
| `STC-SEC1C` | Cycle 2 / AZ-499 | Banned literal: OpenWeatherMap key | PASS |
| `STC-SEC1D` | Cycle 2 / AZ-501 | Banned literal: Google Geocode key | PASS |
| `FT-P-22` (key parity) | (i18n coverage gate) | `en.json` ↔ `ua.json` key parity | PASS (extended cycle 4: covers `admin.classes.{title,edit,save,cancel,nameRequired,maxSizeMustBePositive,updateFailed}`) |
| `FT-P-23` (no hardcoded strings) | (i18n coverage gate) | No raw English strings outside i18n bundles | PASS (the aria-label-as-hardcoded-English failure during cycle-4 implementation was caught by this gate and fixed before commit — see batch_16_cycle4_report.md "Pre-existing bug noted") |
Total commit-time static gates: **33** (cycle 3 close = 33; cycle 4 close = 33 — no new gates this cycle, **all existing gates green**).
## Architecture Baseline Delta vs `architecture_compliance_baseline.md`
| Finding | Category | Cycle 1 close | Cycle 2 close | Cycle 3 close | Cycle 4 close |
|---------|----------|---------------|---------------|---------------|---------------|
| F1 — mission-planner vs flights duplication | Architecture | Open | Open | Open | Open |
| F2 — cross-feature edge `07_dataset → 06_annotations` | Architecture | Open (grandfathered) | Open | Open | Open |
| F3 — classColors physical/logical owner split | Architecture | Open | Open | RESOLVED (AZ-511) | RESOLVED |
| F4 — No Public API barrels | Architecture | RESOLVED (AZ-485) | RESOLVED | RESOLVED | RESOLVED |
| F5 — Pre-existing cycle inside `mission-planner` | Architecture | Open | Open | Open | Open |
| F6 — No `src/shared/` | Architecture | Open | Open | Open | Open |
| F7 — Hardcoded `/api/<service>/` literals | Architecture | RESOLVED (AZ-486) | RESOLVED | RESOLVED | RESOLVED |
| F8 — Layering-table inconsistency | Architecture | Open | Open | Open | Open |
| F9 — Inert second Vite entry tree | Architecture | Open | Open | Open | Open |
- **Resolved this cycle**: 0
- **Newly introduced this cycle**: 0
- **Architecture findings open at cycle 4 close**: 6 of 9 baseline (F1, F2, F5, F6, F8, F9) — unchanged
- **Net architecture delta cycle 4**: 0 (no movement)
## Contract Coverage
- `_docs/02_document/contracts/` does NOT exist; project uses **code-derived contracts pattern** via `src/api/endpoints.test.ts`.
- Wire-contract assertions count: cycle 1 = 36, cycle 2 = 36, cycle 3 = 37, cycle 4 = **37** (no change — AZ-512 reused the existing `endpoints.admin.class(id)` builder for PATCH; no new builder introduced per task constraint).
## Test Suite Snapshot
| Profile | Cycle 1 close | Cycle 2 close | Cycle 3 close | Cycle 4 close | Δ vs cycle 3 |
|---------|---------------|---------------|---------------|---------------|--------------|
| Fast (count) | 209 PASS / 13 SKIP / 0 FAIL | 229 PASS / 13 SKIP / 0 FAIL | 231 PASS / 13 SKIP / 0 FAIL | **243 PASS / 13 SKIP / 0 FAIL** | **+12 PASS**, 0 SKIP |
| Static (gates) | 31 / 31 PASS | 33 / 33 PASS | 33 / 33 PASS | 33 / 33 PASS | 0 |
| Build | green | green | green | green | 0 |
| Bundle (gzipped initial JS) | not measured | 290 465 B | 290 575 B | **291 332 B** | **+757 B** (+0.26 %) |
The +12 PASS comes from `tests/admin_class_edit.test.tsx` (the entire AZ-512 suite). No other test files changed counts; `tests/destructive_ux.test.tsx`'s selector fix kept its existing 6 cases (2 fixed, 4 carried).
The +757 B bundle delta is explained at byte-level in `_docs/06_metrics/perf_2026-05-13_cycle4.md` (~500–600 B from the new `AdminPage` handlers + JSX, ~150–200 B from 7 i18n keys × 2 locales).
## Cycle 4 Source-of-Truth Mutations
| File / area | Mutation | Driver |
|-------------|----------|--------|
| `src/features/admin/AdminPage.tsx` | Inline edit state (4 hooks), 4 new handlers, conditional colspan row JSX, pencil affordance, `t('admin.classes')` → `t('admin.classes.title')` | AZ-512 |
| `src/i18n/en.json`, `src/i18n/ua.json` | `admin.classes` flat string → nested object (`title` + 6 keys for edit UI in both locales) | AZ-512 |
| `tests/msw/handlers/admin.ts` | New `http.patch('/api/admin/classes/:id', ...)` partial-merge handler | AZ-512 (test infra) |
| `tests/admin_class_edit.test.tsx` | NEW — 12 tests covering AC-1..AC-6, AC-8 | AZ-512 |
| `tests/destructive_ux.test.tsx` | Selector fix at 3 call sites (`querySelector('button')` → `Array.from(...).find(b => b.textContent === '×')`) | Adjacent hygiene from AZ-512 |
| `_docs/02_document/components/08_admin/description.md` | Edit affordance + PATCH wiring recorded | AZ-512 (spec-authorized) |
| `_docs/02_document/architecture.md` (row 272) | `08_admin/AdminPage` row gains PATCH /api/admin/classes/{id} with AZ-513 deploy-gate caveat | Step 13 (Update Docs) |
| `_docs/02_document/modules/src__features__admin__AdminPage.md` | Header cycle-4 banner; new state slots, four new handlers, layout note, PATCH integrations row, expanded i18n key list, Tests section | Step 13 (Update Docs) |
| `_docs/02_document/tests/blackbox-tests.md` | Added FT-P-62, FT-N-18 | Step 12 (Test-Spec Sync) |
| `_docs/02_document/tests/traceability-matrix.md` | O9 → Covered; references FT-P-62 + FT-N-18 + AZ-513 deploy gate | Step 12 (Test-Spec Sync) |
| `_docs/05_security/security_report_cycle4_delta.md` | NEW — cycle-4 delta; verdict PASS_WITH_WARNINGS; one new LOW finding (F-SAST-CY4-1) | Step 14 (Security Audit) |
| `_docs/05_security/security_report.md` | Cycle-4 amendment banner | Step 14 (Security Audit) |
| `_docs/06_metrics/perf_2026-05-13_cycle4.md` | NEW — NFT-PERF-01 PASS at 291 332 B | Step 15 (Performance Test) |
## Auto-lesson triggers (per skill Step 1)
- Net Architecture delta > 0? **No** — delta is 0. No `architecture` lesson trigger.
- Structural metric regression > 20%? **No** — every structural metric held at its cycle-3 value, except test count (+5.2%) and bundle (+0.26%), both improvements / within-budget.
- Contract coverage % decreased? **No** — same 37 assertions (no builder added, no builder removed).
- New finding category emerged? **No** — security audit ran in delta mode; categories are stable.
No auto-lesson triggers fired in cycle 4. Manual lessons (3 picked) appear in the retro report.