{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T13:19:30.207883+00:00","duration_seconds":2.142405,"id":685840,"input_summary":"chars=57 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":125929,"started_at":"2026-06-27T13:19:28.065478+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":125930}