{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T04:27:28.217773+00:00","duration_seconds":5.297118,"id":187324,"input_summary":"chars=669 node=683210","metadata":{"llm_candidates":[{"callsign":"K3CB","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=K3CB","recording_id":110768,"started_at":"2026-06-24T04:27:22.920655+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":110769}