{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T20:42:55.418508+00:00","duration_seconds":0.934546,"id":404958,"input_summary":"chars=217 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7NQN","recording_id":1003,"started_at":"2026-06-25T20:42:54.483962+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":1003}