{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T14:50:28.934177+00:00","duration_seconds":1.239921,"id":1363483,"input_summary":"chars=273 node=66296","metadata":{"llm_candidates":[{"callsign":"W9DWD","confidence":0.78},{"callsign":"KB7GL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=W9DWD,KB7GL","recording_id":142833,"started_at":"2026-07-04T14:50:27.694256+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":141295}