{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T20:17:36.500710+00:00","duration_seconds":0.892747,"id":1839887,"input_summary":"chars=745 node=66296","metadata":{"llm_candidates":[{"callsign":"KJ7RAB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KJ7RAB","recording_id":175236,"started_at":"2026-07-18T20:17:35.607963+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170520}