{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T19:11:50.496660+00:00","duration_seconds":2.388421,"id":1609514,"input_summary":"chars=711 node=683210","metadata":{"llm_candidates":[{"callsign":"KL5SSR","confidence":0.78},{"callsign":"KL5OG","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KL5SSR,KL5OG","recording_id":159809,"started_at":"2026-07-11T19:11:48.108239+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156735}