{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-26T11:44:52.205003+00:00","duration_seconds":2.061663,"id":2869350,"input_summary":"chars=778 node=683211","metadata":{"llm_candidates":[{"callsign":"AB1AI","confidence":0.78},{"callsign":"W0TO","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=AB1AI,W0TO","recording_id":270491,"started_at":"2026-08-26T11:44:50.143340+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":256065}