{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T19:16:56.160179+00:00","duration_seconds":0.954996,"id":253024,"input_summary":"chars=607 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7NQN","recording_id":104345,"started_at":"2026-06-24T19:16:55.205183+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":104346}