{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T20:46:21.096308+00:00","duration_seconds":0.786745,"id":853857,"input_summary":"chars=481 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC7MFW","confidence":0.78},{"callsign":"KC7IV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KC7MFW,KC7IV","recording_id":51074,"started_at":"2026-06-27T20:46:20.309563+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":51075}