fluid_revision: schema_version: "0.1" id: "R-000221" interface_id: "customer-finance-api" revision_number: 22 parent_revision: "R-000220" state: "CANDIDATE" created_at: "2026-09-04T13:10:00Z" created_by: type: "daimon" id: "fluid-daimon/customer-finance-api" contract: type: "openapi" version: "3.1" artifact_ref: "artifact:openapi/customer-finance-api/r22" digest: "sha256:3b1f9c2e7a4d8b6051e2c9f0a7d4b83e15c6f2a9d0b7e4c1836a5f2d9c0b7e41" implementation: artifact_ref: "artifact:adapter/customer-finance-api/r22" source_ref: "git:9f4c2ab" build_ref: "build:8871" digest: "sha256:3b1f9c2e7a4d8b6051e2c9f0a7d4b83e15c6f2a9d0b7e4c1836a5f2d9c0b7e41" interface_evolution_intent: version: "IEI-7" artifact_ref: "artifact:intent/customer-finance-api/IEI-7" originating_hypotheses: - "H-000184" backend_requirements: [] compatibility: class: "BACKWARD_COMPATIBLE" breaking_changes: [] deprecations: [] supersedes: [] compatibility_evidence_refs: - "test:compat-suite-775" adaptation_classes: - "contract" verification: status: "PASSED" test_refs: - "test:unit-12081" - "test:contract-8821" - "test:security-610" - "test:compat-suite-775" security_check: "PASSED" policy_check: "PASSED" complexity: before: surface_area: 41 operation_count: 39 after: surface_area: 42 operation_count: 40 delta_score: 0.18 budget_status: "WITHIN_BUDGET" deployment: environments: - name: "production" started_at: "2026-09-05T08:00:00Z" routing_policy_ref: "route-policy:rp-118" current_exposure: traffic_share: 0.28 cohorts: - "partner-integrations" - "coding-agents" fitness: baseline_revision: "R-000220" measurement_window: start: "2026-09-05T08:00:00Z" end: null metrics: requests_per_completed_task: baseline: 2.7 current: 1.15 target: 1.2 p95_latency_ms: baseline: 300 current: 302 guardrail: 315 error_rate: baseline: 0.008 current: 0.007 adoption: eligible_consumers: 412 active_consumers: 119 adoption_rate: 0.289 retained_adoption_rate: null economics: build_cost: 38.20 experiment_cost_to_date: 12.40 currency: "EUR" promotion: eligible: true recommended_state: "STABLE" recommendation_reason: > Target fitness reached with no guardrail violations. authorized_by: null authorized_at: null rollback: supported: true target_revision: "R-000220" procedure_ref: "runbook:rollback-r22" provenance: decision_refs: - "D-2811" experiment_refs: - "E-000093" telemetry_refs: - "telemetry:invoice-pattern-2026w36" audit: immutable_event_refs: - "EV-990221" - "EV-990244" - "EV-990281"