{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T23:32:22.160297+00:00","duration_seconds":0.917413,"id":276077,"input_summary":"chars=593 node=683210","metadata":{"llm_candidates":[{"callsign":"W2EM","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=W2EM","recording_id":109442,"started_at":"2026-06-24T23:32:21.242884+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":109443}