{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T05:53:24.718392+00:00","duration_seconds":1.760745,"id":597134,"input_summary":"chars=251 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KG4OZW","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=3 calls=KG4OZW,KK7NQN","recording_id":74899,"started_at":"2026-06-27T05:53:22.957647+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":74900}