{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T20:04:37.850140+00:00","duration_seconds":0.627108,"id":1544846,"input_summary":"chars=728 node=683211","metadata":{"llm_candidates":[{"callsign":"K9VDC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K9VDC","recording_id":155379,"started_at":"2026-07-09T20:04:37.223032+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":152688}