{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T04:48:41.916014+00:00","duration_seconds":0.63853,"id":1315976,"input_summary":"chars=853 node=66296","metadata":{"llm_candidates":[{"callsign":"K7RCH","confidence":0.78},{"callsign":"K7LLZ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K7RCH,K7LLZ","recording_id":139413,"started_at":"2026-07-03T04:48:41.277484+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":138240}