{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T13:12:05.675550+00:00","duration_seconds":0.751844,"id":1000366,"input_summary":"chars=1730 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KG7FWV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KG7FWV","recording_id":31283,"started_at":"2026-06-28T13:12:04.923706+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":31284}