{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T12:24:09.744795+00:00","duration_seconds":3.885034,"id":509126,"input_summary":"chars=353 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"W2RBC","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7NQN,W2RBC","recording_id":123942,"started_at":"2026-06-26T12:24:05.859761+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":123943}