{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T15:53:10.148510+00:00","duration_seconds":1.41687,"id":1329507,"input_summary":"chars=882 node=683210","metadata":{"llm_candidates":[{"callsign":"KO6TH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KO6TH","recording_id":140460,"started_at":"2026-07-03T15:53:08.731640+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139179}