| -- Add upstream error events list (JSONB) to ops_error_logs for per-request correlation. | |
| -- | |
| -- This is intentionally idempotent. | |
| ALTER TABLE ops_error_logs | |
| ADD COLUMN IF NOT EXISTS upstream_errors JSONB; | |
| COMMENT ON COLUMN ops_error_logs.upstream_errors IS | |
| 'Sanitized upstream error events list (JSON array), correlated per gateway request (request_id/client_request_id); used for per-request upstream debugging.'; | |