{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T09:39:09.396544+00:00","duration_seconds":3.346698,"id":346875,"input_summary":"chars=157 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KB7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=3 calls=KB7NQN","recording_id":99440,"started_at":"2026-06-25T09:39:06.049846+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":99441}