{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T19:52:35.614759+00:00","duration_seconds":0.973973,"id":1576052,"input_summary":"chars=824 node=683211","metadata":{"llm_candidates":[{"callsign":"K7R","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7R","recording_id":157483,"started_at":"2026-07-10T19:52:34.640786+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154625}