{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T20:13:45.660111+00:00","duration_seconds":3.465126,"id":1305777,"input_summary":"chars=691 node=66296","metadata":{"llm_candidates":[{"callsign":"AB6MB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=4 calls=AB6MB","recording_id":138717,"started_at":"2026-07-02T20:13:42.194985+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137571}