{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T12:30:52.400504+00:00","duration_seconds":1.515879,"id":220208,"input_summary":"chars=893 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.9}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":121032,"started_at":"2026-06-24T12:30:50.884625+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":121033}