{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T13:29:06.840186+00:00","duration_seconds":1.350661,"id":1464068,"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":"2026-07-07T13:29:05.489525+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":147636}