{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T14:53:40.498825+00:00","duration_seconds":1.877872,"id":1621807,"input_summary":"chars=770 node=683210","metadata":{"llm_candidates":[{"callsign":"N6H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=N6H","recording_id":160564,"started_at":"2026-07-12T14:53:38.620953+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157415}