{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T15:46:22.022567+00:00","duration_seconds":0.63933,"id":1534358,"input_summary":"chars=429 node=66296","metadata":{"llm_candidates":[{"callsign":"K7IZI","confidence":0.78},{"callsign":"W6DFJ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K7IZI,W6DFJ","recording_id":154650,"started_at":"2026-07-09T15:46:21.383237+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":152008}