{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T12:55:09.491509+00:00","duration_seconds":1.160963,"id":1527507,"input_summary":"chars=613 node=683210","metadata":{"llm_candidates":[{"callsign":"N5OZG","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=N5OZG","recording_id":154140,"started_at":"2026-07-09T12:55:08.330546+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151565}