{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T17:30:18.653373+00:00","duration_seconds":0.857218,"id":1801363,"input_summary":"chars=763 node=66296","metadata":{"llm_candidates":[{"callsign":"K7ZEI","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7ZEI","recording_id":172616,"started_at":"2026-07-17T17:30:17.796155+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168151}