{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T04:29:43.414342+00:00","duration_seconds":3.266424,"id":311816,"input_summary":"chars=308 node=683210","metadata":{"llm_candidates":[{"callsign":"K79","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=3 calls=K79","recording_id":2830,"started_at":"2026-06-25T04:29:40.147918+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":2830}