{"slug":"wondelai-ddia-systems","source_name":"wondelai/ddia-systems","name":"Wondelai/Ddia Systems","description":"Design data systems by understanding storage engines, replication, partitioning, transactions, and consistency models. Use when the user mentions \"database choice\", \"which database should I use\", \"SQL or NoSQL\", \"replication lag\", \"partitioning strategy\", \"consistency vs availability\", \"stream processing\", \"ACID transactions\", \"eventual consistency\", \"my queries are slow at scale\", or \"data is inconsistent across replicas\". Also trigger when choosing a datastore, designing data pipelines, or deb","version":1,"lift":{"pass_rate_delta_pts":16.67,"pass_rate_pct":95.8,"total_cases":24,"passed_cases":23,"tokens_delta_pct":121.4,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-12T03:57:29.121493+00:00"},"skill_score":null,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":16.67,"with_pass_pct":95.8,"without_pass_pct":79.2,"tokens_delta_pct":121.4,"turns_delta_pct":0,"total_cases":24,"cases_aggregated":24,"verdict":"mixed","never_hurt":true,"completed_at":"2026-08-12T03:57:29.121493+00:00","run_id":"b4542910-6b52-4cc3-a593-85df1594b0c3","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"manifest_hash":"c60cc44630b8f2baf8ee526b5b70f6a9e4bc18047ff1aec61fa729306985c7b1","raw_url":"https://app.decimal.ai/s/wondelai-ddia-systems/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/wondelai-ddia-systems"}