{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T22:27:55.952361+00:00","duration_seconds":0.594309,"id":1614326,"input_summary":"chars=250 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7F7","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7F7","recording_id":160090,"started_at":"2026-07-11T22:27:55.358052+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156987}