{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T19:22:53.654034+00:00","duration_seconds":2.212259,"id":541845,"input_summary":"chars=432 node=oldsys","metadata":{"llm_candidates":[{"callsign":"NR70","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=NR70,KK7NQN","recording_id":87058,"started_at":"2026-06-26T19:22:51.441775+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":87059}