{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T13:29:05.847201+00:00","duration_seconds":2.289295,"id":1464060,"input_summary":"chars=481 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2PTK","confidence":0.78},{"callsign":"KB9NSK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC2PTK,KB9NSK","recording_id":149736,"started_at":"2026-07-07T13:29:03.557906+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":147636}