{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-30T21:03:28.097329+00:00","duration_seconds":0.723613,"id":1247522,"input_summary":"chars=556 node=683211","metadata":{"llm_candidates":[{"callsign":"K3O8","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K3O8","recording_id":134295,"started_at":"2026-06-30T21:03:27.373716+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":133692}