{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T22:20:32.547645+00:00","duration_seconds":0.852054,"id":1812806,"input_summary":"chars=889 node=683210","metadata":{"llm_candidates":[{"callsign":"GM0UGB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=GM0UGB","recording_id":173375,"started_at":"2026-07-17T22:20:31.695591+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168883}