Compatibility: verification and canary gates

AI design example, not the historical release procedure

Compatibility: verification and canary gates AI design example, not the historical release procedure Agree contract, cases, thresholds, rollback Body / headers / errors / environment evidence Deploy only after pre-production gate Verify production-only contract and baseline Direct checks + SLI + business signals PASS with sufficient evidence: promote in stages FAIL: halt / rollback; UNKNOWN: hold Recheck after each stage or rollback Team · Sequence participant Team Pre-prod · Sequence participant Pre-prod Canary · Sequence participant Canary Observe · Sequence participant Observe Release · Sequence participant Release Legend return default message