{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T15:46:40.908750+00:00","duration_seconds":1.674175,"id":380419,"input_summary":"chars=531 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"K6IS","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,K6IS","recording_id":122868,"started_at":"2026-06-25T15:46:39.234575+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":122869}