{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T14:16:15.306653+00:00","duration_seconds":2.346699,"id":707734,"input_summary":"chars=888 node=683211","metadata":{"llm_candidates":[{"callsign":"V3FBX","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=3 calls=V3FBX,KK7NQN","recording_id":126052,"started_at":"2026-06-27T14:16:12.959954+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":126053}