{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T19:07:04.639839+00:00","duration_seconds":0.869518,"id":1803717,"input_summary":"chars=963 node=683210","metadata":{"llm_candidates":[{"callsign":"B9JA1","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=B9JA1","recording_id":172741,"started_at":"2026-07-17T19:07:03.770321+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168270}