{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T12:56:29.386971+00:00","duration_seconds":1.192378,"id":1560752,"input_summary":"chars=664 node=683210","metadata":{"llm_candidates":[{"callsign":"W4CLG","confidence":0.78},{"callsign":"K4CTB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=6 calls=W4CLG,K4CTB","recording_id":156370,"started_at":"2026-07-10T12:56:28.194593+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153629}