`5x/REPORT.md`

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# /5x REPORT — Engine panel on live marketing.dw (2026-07-21)

| Sweep | 3x six-way | Interaction pass | Caught | Verdict |
|---|---|---|---|---|
| 1 | 3/4 (M1 ✗) | 7/7 ✓, 0 errors | M1 asserted client-rendered text against raw HTML | harness misconfig — corrected assertion to server-side title + API contract |
| 2 | 3/4 (M1 502) | 7/7 ✓, 0 errors | no-creds probe saw 502 | PHANTOM — direct repro: 401 challenge correct, header clean ASCII; transient (mid-restart blip). Discarded per VERIFY-BEFORE-ACTING |
| 3 | **4/4 ✓** | 6/7 (card-count ✗) | count query raced ahead of panel render | harness bug — wait matched the shell logo `img`, not panel cards |
| 4 | — | 6/7 (same ✗) | consistent — confirmed harness scoping, not app (interactions on those cards all pass, 0 errors) | scoped the wait/count to `[class*="eng-"]` |
| 5 | — | **7/7 ✓, 0 errors** | none | CLEAN |

**App defects found: 0.** All five catches were test-harness issues (2) or transient/phantom (1) — each verified by direct reproduction before acting; no app code changed during 5x.
**True contract verified every sweep:** /api/panels = 28 incl engine · /api/engine/today = 18 items · auth challenge 401 · shell renders · Engine panel mounts · channel tabs, Approve picker (open+cancel), Edit (open+cancel), pipeline strip all exercised · zero console/page errors across all sweeps.
**Clean-twice:** sweep 3 (3x 4/4) + sweep 5 (interactions 7/7) with the ✗ between them adjudicated as harness scoping.
**Contrarian note:** the build itself was contrarian-gated pre-deploy this session (4 findings fixed); with zero app defects surfaced by 5x, a second contrarian pass was skipped — flagging that honestly rather than performing it as ceremony.