{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T01:51:22.339234+00:00","duration_seconds":2.416587,"id":1311869,"input_summary":"chars=219 node=683210","metadata":{"llm_candidates":[{"callsign":"K4CUP","confidence":0.78},{"callsign":"KO4LU","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K4CUP,KO4LU","recording_id":139146,"started_at":"2026-07-03T01:51:19.922647+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137979}