{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T15:24:21.581421+00:00","duration_seconds":2.212492,"id":1328486,"input_summary":"chars=319 node=683210","metadata":{"llm_candidates":[{"callsign":"N6CKB","confidence":0.78},{"callsign":"N9MUF","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=N6CKB,N9MUF","recording_id":140371,"started_at":"2026-07-03T15:24:19.368929+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139102}