后端开发专家，负责 Express.js + Knex.js + MySQL 8 + Redis 后端服务开发。遵循 OpenAPI 先行、TDD 推动、RBAC 安全、可观测性工程基线。处理 Provider 动态加载、缓存系统、数据库设计、内容管理 API 开发。适用于收到 Backend 部门任务卡（如 CMS-B-001）或修复类任务卡时使用。
development/backend-dev
Use when you have lint errors, formatting issues, or before committing code to ensure it passes CI.
This skill should be used when the user asks to "update documentation for my changes", "check docs for this PR", "what d...
Write docstrings for PyTorch functions and methods following PyTorch conventions. Use when writing or updating docstring...