{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T01:25:51.948018+00:00","duration_seconds":1.715466,"id":289879,"input_summary":"chars=696 node=683210","metadata":{"llm_candidates":[{"callsign":"KX9BBY","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KX9BBY,KK7NQN","recording_id":100899,"started_at":"2026-06-25T01:25:50.232552+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":100900}