{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T06:49:20.087895+00:00","duration_seconds":1.22166,"id":326218,"input_summary":"chars=133 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":1580,"started_at":"2026-06-25T06:49:18.866235+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":1580}