{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T03:01:01.560188+00:00","duration_seconds":1.588159,"id":301432,"input_summary":"chars=753 node=66296","metadata":{"llm_candidates":[{"callsign":"KJ7JXM","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ7JXM,KK7NQN","recording_id":4236,"started_at":"2026-06-25T03:00:59.972029+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4236}