Record execution summaries in debug artifacts

docs/operations.md

@@ -147,6 +147,11 @@ their exit classes are defined in the [CLI reference](cli.md#output-streams-and-
 
 ## Validation Retries And Terminal Outcomes
 
+When debug recording is enabled, per-call response artifacts include the
+terminal execution summary for retry, repair, timing, and presence-aware usage
+diagnosis. Normal output, receipts, and warnings do not aggregate or publish
+this diagnostic metadata.
+
 Each producer binding has one outer **retries** budget. It covers complete
 producer attempts for operational failures, invalid structured output,
 normalizer fallback retry, and semantic correction. It is independent from