API errors
Rate limit hit, payload too large, schema mismatch, idempotency replay.
Authentication failures
401, 403, RLS denied, missing scope, expired step-up.
Common error codes
Every 4xx/5xx you might see and how to fix or escalate it.
Login issues
Can
Performance issues
Slow runs, hot partitions, AI inference latency, query timeouts.
Reconciliation errors
Run fails, scheduler stuck, evidence pack mismatch, threshold drift.
Webhook errors
Signature failed, retries exhausted, stale secret after env swap.