{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T13:53:24.940785+00:00","duration_seconds":0.765424,"id":1324468,"input_summary":"chars=332 node=683210","metadata":{"llm_candidates":[{"callsign":"W2AJV","confidence":0.78},{"callsign":"W2EM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W2AJV,W2EM","recording_id":140044,"started_at":"2026-07-03T13:53:24.175361+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":138836}