iomgaa
07e772f522
Resolve 13 gaps flagged by the three migration documents: finalize chat() signature with per-call cache namespace/salt, fix middleware onion ordering (per-attempt source-scoped admission inside retry loop), structured AllSourcesExhausted fields, est_tokens in SourceConfig, per-scope resilience config keys, probe lease TTL, settle/release idempotency, shared limiter/breaker backend semantics, multimodal digest in telemetry, OCR trust_env and health check, API stability rules, and correct the Q3 embedding claim.