{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T15:53:42.498668+00:00","duration_seconds":5.283686,"id":1601491,"input_summary":"chars=632 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KG7BIH","confidence":0.78},{"callsign":"K7N","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KG7BIH,K7N","recording_id":159218,"started_at":"2026-07-11T15:53:37.214982+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156205}