{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T03:00:40.749917+00:00","duration_seconds":2.252941,"id":301389,"input_summary":"chars=683 node=683210","metadata":{"llm_candidates":[{"callsign":"N7MXC","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=N7MXC,KK7NQN","recording_id":3986,"started_at":"2026-06-25T03:00:38.496976+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":3986}