{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T11:49:46.750895+00:00","duration_seconds":0.977848,"id":1787941,"input_summary":"chars=374 node=683210","metadata":{"llm_candidates":[{"callsign":"KJ5GUI","confidence":0.78},{"callsign":"K9XOK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=7 calls=KJ5GUI,K9XOK","recording_id":171607,"started_at":"2026-07-17T11:49:45.773047+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167259}