{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T02:32:52.021216+00:00","duration_seconds":1.824486,"id":1641258,"input_summary":"chars=546 node=683210","metadata":{"llm_candidates":[{"callsign":"KF5DAY","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF5DAY","recording_id":161930,"started_at":"2026-07-13T02:32:50.196730+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158706}