SylphxAI Maintain Product
Repair the owning layer. Stabilize active harm with a reversible mitigation when service impact requires it. For a measured frontend path, measure one user-visible behavior, correct the owning cause, and remeasure the same device and metric. A rewrite of an unrelated layer is not a repair.
Open reproduction-driven repair when the cause, reproducer, or nondeterminism needs depth. Open frontend performance when the defect is a measured frontend path.
Use finish-product for polish of an already integrated promise. Use run-incident-response when the defect is a live incident.