{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T00:57:46.946600+00:00","duration_seconds":2.240374,"id":1680631,"input_summary":"chars=268 node=66296","metadata":{"llm_candidates":[{"callsign":"K4F","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=K4F","recording_id":164566,"started_at":"2026-07-14T00:57:44.706226+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161140}