{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T04:29:16.181165+00:00","duration_seconds":1.609261,"id":311761,"input_summary":"chars=131 node=683211","metadata":{"llm_candidates":[{"callsign":"DU3XCD","confidence":1.0},{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=DU3XCD,KK7NQN","recording_id":105432,"started_at":"2026-06-25T04:29:14.571904+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":105431}