{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T12:10:02.175779+00:00","duration_seconds":2.348484,"id":1693970,"input_summary":"chars=487 node=683210","metadata":{"llm_candidates":[{"callsign":"N8ZFH","confidence":0.78},{"callsign":"NW4Q","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=N8ZFH,NW4Q","recording_id":165414,"started_at":"2026-07-14T12:09:59.827295+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161938}