{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T21:12:18.646333+00:00","duration_seconds":0.877507,"id":407706,"input_summary":"chars=429 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7NQN","recording_id":711,"started_at":"2026-06-25T21:12:17.768826+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":711}