{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T15:46:39.831010+00:00","duration_seconds":1.483198,"id":235418,"input_summary":"chars=509 node=66296","metadata":{"llm_candidates":[{"callsign":"K12","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=K12","recording_id":121452,"started_at":"2026-06-24T15:46:38.347812+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":121453}