{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T01:04:14.486359+00:00","duration_seconds":0.917718,"id":1588300,"input_summary":"chars=896 node=683210","metadata":{"llm_candidates":[{"callsign":"DU3XCD","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=DU3XCD","recording_id":158259,"started_at":"2026-07-11T01:04:13.568641+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":155372}