{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T11:38:36.782432+00:00","duration_seconds":2.742386,"id":1652997,"input_summary":"chars=586 node=683210","metadata":{"llm_candidates":[{"callsign":"KJ5MLC","confidence":0.78},{"callsign":"K4HBT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ5MLC,K4HBT","recording_id":162621,"started_at":"2026-07-13T11:38:34.040046+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159375}