{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T01:48:51.989898+00:00","duration_seconds":2.053832,"id":1311701,"input_summary":"chars=678 node=683210","metadata":{"llm_candidates":[{"callsign":"KQ4GTP","confidence":0.78},{"callsign":"K4CUP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KQ4GTP,K4CUP","recording_id":139131,"started_at":"2026-07-03T01:48:49.936066+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137965}