{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T08:18:19.259308+00:00","duration_seconds":0.453993,"id":1617737,"input_summary":"chars=93 node=683210","metadata":{"llm_candidates":[{"callsign":"B6MB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=B6MB","recording_id":160310,"started_at":"2026-07-12T08:18:18.805315+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157172}