{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T23:33:52.746720+00:00","duration_seconds":2.265246,"id":1584916,"input_summary":"chars=591 node=683211","metadata":{"llm_candidates":[{"callsign":"NY4HP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=NY4HP","recording_id":158044,"started_at":"2026-07-10T23:33:50.481474+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":155169}