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pulse-triage[bot]
3b91896371
Cold resource store construction held the shared cache mutex and delayed unrelated tenants, including cache hits. A bounded API measurement found 480ms p95 cache-hit mutex wait, while a synthetic blocked constructor reproduced the coordination defect independently of storage internals. Deduplicate construction per tenant outside the cache mutex, and coordinate eviction with in-flight opens. Add synthetic regressions for unrelated tenants, same-tenant deduplication, retry after failure and close ordering. The resource API race suite passes. This does not establish the cause of the historical release stress failure or qualify a release. Change-source: pulse-maintainer Contract-Neutral: Internal tenant-store lock scheduling repair only; routes, payloads, authorization, tenant keys, storage format and eviction semantics are unchanged. Existing race-tested API coordination regressions establish deduplication, retry and close ordering; no frontend surface changes.