Returns one headless audit row by UUID, including merged resultSummary when cache still exists.
/integration-execution. The id is the audit row UUID from List headless executions.resultSummary when the row is successful and a cache entry still exists (hydrates legacy audit rows that stored only a short summary).
id field from headless_enrichment_execution_audit (returned in list items).true when found.resultSummary (from result_summary_json, possibly enriched from headless_enrichment_cache when applicable). On successful enrichments, resultSummary may include result with raw and mapped (same envelope as the execute endpoint).