{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T11:47:51.392819+00:00","duration_seconds":1.932126,"id":1259411,"input_summary":"chars=246 node=683210","metadata":{"llm_candidates":[{"callsign":"K4HGA","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K4HGA","recording_id":135203,"started_at":"2026-07-01T11:47:49.460693+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134464}