{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T19:39:08.380993+00:00","duration_seconds":0.465183,"id":1053946,"input_summary":"chars=32 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KG7FWB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KG7FWB","recording_id":25984,"started_at":"2026-06-28T19:39:07.915810+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":25985}