v2.0.0 to v2.0.0

15 added, 12 removed. Audit A to A.

---

name: web-dev-standards

- displayName: Web & App Development Standards

- description: Use when developing Next.js App Router applications, managing monorepos (Turborepo/pnpm workspaces), upgrading Expo SDKs, or configuring shared transactional email with Resend.

+ description: Use when designing software architectures ('codebase-design' Deep Modules/Design-It-Twice), writing tests ('test-driven-development' mock boundaries), creating setup scripts ('interactive-wizard'), TypeScript standards, Next.js, Expo, or Monorepos.

+ author: J StaR Films / Matt Pocock / P-Stack

+ coauthored: J StaR Films / Takomi

version: 2.0.0

- author: J StaR Films

- tags: [nextjs, expo, monorepo, resend, standards]

---

- # Web & App Development Standards

+ # Web Development Standards Suite

- This is the router for modern web development, monorepo architecture, mobile SDK management, and email infrastructure. Open and read the relevant sub-skill file for your task:

+ Architectural doctrines, testing boundaries, language standards, and framework guidelines.

- ## Framework Standards & Architecture

+ ## Sub-Skills

- | Area | Sub-Skill Path | Use When |

+ | Sub-Skill | Purpose | Path |

|---|---|---|

- | Next.js Standards | `nextjs-standards/SKILL.md` | Next.js App Router guidelines, patterns, and verification |

- | Monorepos | `monorepo-management/SKILL.md` | Turborepo, Nx, and pnpm workspaces management |

- | Expo SDK Upgrades | `upgrading-expo/SKILL.md` | Upgrading Expo SDK versions and fixing native dependencies |

- | Shared Resend Email | `shared-resend-portfolio/SKILL.md` | Reusing one verified Resend domain across products |

+ | **`codebase-design`** | Ousterhout's Deep Modules, `DESIGN-IT-TWICE.md` (3 parallel interface drafts), and seam placement | [`codebase-design/SKILL.md`](codebase-design/SKILL.md) |

+ | **`test-driven-development`** | TDD red-green-refactor with strict mock boundaries (mock only external I/O) and observable behavior tests | [`test-driven-development/SKILL.md`](test-driven-development/SKILL.md) |

+ | **`interactive-wizard`** | Generates delightful, progress-tracked Bash wizards (`template.sh`) for human-only setup steps and secrets | [`interactive-wizard/SKILL.md`](interactive-wizard/SKILL.md) |

+ | **`typescript-standards`** | TypeScript best practices: discriminated unions, branded types, and boundary validation | [`typescript-standards/SKILL.md`](typescript-standards/SKILL.md) |

+ | **`nextjs-standards`** | Next.js App Router patterns, Server Components, server actions, and caching | [`nextjs-standards/SKILL.md`](nextjs-standards/SKILL.md) |

+ | **`upgrading-expo`** | Expo SDK upgrades and React Native configuration | [`upgrading-expo/SKILL.md`](upgrading-expo/SKILL.md) |

+ | **`monorepo-management`** | Turborepo and pnpm workspace dependency and boundary management | [`monorepo-management/SKILL.md`](monorepo-management/SKILL.md) |

+ | **`shared-resend-portfolio`** | Shared transactional email integration with Resend | [`shared-resend-portfolio/SKILL.md`](shared-resend-portfolio/SKILL.md) |