{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T17:26:11.043629+00:00","duration_seconds":1.0501,"id":532648,"input_summary":"chars=153 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":87894,"started_at":"2026-06-26T17:26:09.993529+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":87895}