{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T16:06:59.989148+00:00","duration_seconds":1.927703,"id":1624560,"input_summary":"chars=762 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7AIR","confidence":0.78},{"callsign":"K06TH","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KK7AIR,K06TH","recording_id":160766,"started_at":"2026-07-12T16:06:58.061445+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157609}