{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T22:36:50.792858+00:00","duration_seconds":2.828346,"id":1346362,"input_summary":"chars=708 node=683211","metadata":{"llm_candidates":[{"callsign":"KY4NB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KY4NB","recording_id":141623,"started_at":"2026-07-03T22:36:47.964512+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":140234}