{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T04:37:32.621029+00:00","duration_seconds":0.720923,"id":1389889,"input_summary":"chars=549 node=683211","metadata":{"llm_candidates":[{"callsign":"K9EHV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=4 calls=K9EHV","recording_id":144638,"started_at":"2026-07-05T04:37:31.900106+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142970}