{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T00:08:50.126254+00:00","duration_seconds":2.249416,"id":1483882,"input_summary":"chars=198 node=683210","metadata":{"llm_candidates":[{"callsign":"E90ZV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=E90ZV","recording_id":151163,"started_at":"2026-07-08T00:08:47.876838+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148876}