{"ok":true,"phase":"v15.7 Phase 177","service":"Self-Improvement Smoke Test API","engineEndpoint":"/api/sovereign/self-improvement-engine","totalChecks":7,"passedChecks":7,"failedChecks":0,"engineCount":7,"guardrailCount":9,"releaseStepCount":11,"checks":[{"name":"Engine status is ready","passed":true,"detail":"control_layer_ready"},{"name":"All required engines present","passed":true,"detail":"All required engines present."},{"name":"Required production guardrails present","passed":true,"detail":"Core guardrails present."},{"name":"Required release sequence present","passed":true,"detail":"Release sequence present."},{"name":"Core build-before-restart rule exists","passed":true,"detail":"Never restart production before a successful build and route smoke test."},{"name":"Learning ledger has records","passed":true,"detail":"3 records"},{"name":"Upgrade readiness flags are enabled","passed":true,"detail":"{\"syntaxRepair\":true,\"buildValidation\":true,\"smokeTesting\":true,\"promptImprovement\":true,\"factualAccuracyLabels\":true,\"modelRoutingPlan\":true,\"rollbackDiscipline\":true}"}]}