{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T14:38:48.236518+00:00","duration_seconds":1.418161,"id":1660216,"input_summary":"chars=323 node=683211","metadata":{"llm_candidates":[{"callsign":"N9OFU","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=N9OFU","recording_id":163167,"started_at":"2026-07-13T14:38:46.818357+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159879}