{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T20:45:49.449200+00:00","duration_seconds":1.963879,"id":853750,"input_summary":"chars=1364 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7IJZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7IJZ","recording_id":51150,"started_at":"2026-06-27T20:45:47.485321+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":51151}