Run an explicit expensive archive integrity diagnostic

POST 
/api/v1/health/integrity

Operator-only, single-flight diagnostic. It is never a liveness or readiness probe and must not be called automatically. A completed diagnostic returns 200 even when its findings are degraded or unhealthy.

Responses

200

The diagnostic completed; inspect the fixed-shape status and bounded counts

401

The opaque credential is absent, ambiguous, malformed, expired, revoked, or invalid

403

The browser mutation did not originate from this application, or the authenticated member lacks the required permission

413

A configured streaming body or per-file size limit was exceeded. A transport-level rejection may omit the JSON body.

421

The Host authority is not allowed by the loopback deployment profile

429

Another integrity diagnostic is already running; retry later

503

A required core dependency is unavailable; retry with bounded backoff