{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T11:46:01.993699+00:00","duration_seconds":2.241834,"id":1259377,"input_summary":"chars=473 node=683210","metadata":{"llm_candidates":[{"callsign":"K4GDS","confidence":0.78},{"callsign":"W5PL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K4GDS,W5PL","recording_id":135202,"started_at":"2026-07-01T11:45:59.751865+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134463}