{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T12:24:35.117144+00:00","duration_seconds":1.272421,"id":509144,"input_summary":"chars=114 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":123943,"started_at":"2026-06-26T12:24:33.844723+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":123944}