{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T07:44:19.446012+00:00","duration_seconds":1.307543,"id":1786105,"input_summary":"chars=566 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7XS","confidence":0.78},{"callsign":"K7C","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K7XS,K7C","recording_id":171514,"started_at":"2026-07-17T07:44:18.138469+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167167}