{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T19:19:30.120362+00:00","duration_seconds":0.988956,"id":398229,"input_summary":"chars=645 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":1551,"started_at":"2026-06-25T19:19:29.131406+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":1551}