7c8a2c3622
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
324 lines
12 KiB
Markdown
324 lines
12 KiB
Markdown
# AI Coding Starter Kit
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> Build production-ready web apps faster with AI-powered Skills handling Requirements, Architecture, Development, QA, and Deployment.
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This template uses [Claude Code](https://docs.anthropic.com/en/docs/claude-code) with modern Skills, Rules, and Sub-Agents to provide a complete AI-powered development workflow.
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## Quick Start
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### 1. Clone & Install
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```bash
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git clone https://github.com/YOUR_USERNAME/ai-coding-starter-kit.git my-project
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cd my-project
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npm install
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```
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### 2. (Optional) Supabase Setup
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If you need a backend:
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1. Create Supabase Project: [supabase.com](https://supabase.com)
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2. Copy `.env.local.example` to `.env.local`
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3. Add your Supabase credentials
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4. Uncomment the Supabase client in `src/lib/supabase.ts`
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Skip this step if you're building frontend-only (landing pages, portfolios, etc.)
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### 3. Start Development
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```bash
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npm run dev
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```
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Open [http://localhost:3000](http://localhost:3000) in your browser.
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### 4. Initialize Your Project
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Open Claude Code and describe your project. The `/requirements` skill automatically detects that this is a fresh project and enters **Init Mode**:
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```
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/requirements I want to build a project management tool for small teams
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where users can create projects, assign tasks, and track progress.
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```
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The skill will:
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1. Ask interactive questions to clarify your vision, target users, and MVP scope
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2. Create your **Product Requirements Document** (`docs/PRD.md`)
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3. Break the project into individual features (Single Responsibility)
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4. Create all **feature specs** (`features/PROJ-1.md`, `PROJ-2.md`, etc.)
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5. Update **feature tracking** (`features/INDEX.md`)
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6. Recommend which feature to build first
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You don't need to put everything in the first prompt - a brief description is enough. The skill asks follow-up questions interactively.
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### 5. Build Features
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After project initialization, build features one at a time using skills:
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```
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/architecture Design the tech approach for features/PROJ-1-user-auth.md
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/frontend Build the UI for features/PROJ-1-user-auth.md
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/backend Build the API for features/PROJ-1-user-auth.md
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/qa Test features/PROJ-1-user-auth.md
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/deploy Deploy to Vercel
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```
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Each skill suggests the next step when it finishes. Handoffs are always user-initiated.
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To add more features later, run `/requirements` again - it detects the existing PRD and adds a single feature.
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---
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## Available Skills
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| Skill | Command | What It Does |
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|-------|---------|-------------|
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| Requirements Engineer | `/requirements` | Creates feature specs with user stories, acceptance criteria, edge cases |
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| Solution Architect | `/architecture` | Designs PM-friendly tech architecture (no code, only high-level design) |
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| Frontend Developer | `/frontend` | Builds UI with React, Tailwind CSS, and shadcn/ui |
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| Backend Developer | `/backend` | Builds APIs, database schemas, RLS policies with Supabase |
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| QA Engineer | `/qa` | Tests features against acceptance criteria + security audit |
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| DevOps | `/deploy` | Deploys to Vercel with production-ready checks |
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| Help | `/help` | Context-aware guide: shows where you are and what to do next |
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### How Skills Work
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- **Skills** are defined in `.claude/skills/` and auto-discovered by Claude Code
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- **Rules** in `.claude/rules/` are auto-applied based on file context (no manual loading)
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- **Sub-Agents** run heavy tasks (frontend, backend, QA) in isolated contexts for cost efficiency
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- **CLAUDE.md** provides project context automatically at every session start
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---
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## Development Workflow
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```
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1. Define /requirements --> Feature spec in features/PROJ-X.md
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2. Design /architecture --> Tech design added to feature spec
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3. Build /frontend --> UI components implemented
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/backend --> APIs + database (if needed)
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4. Test /qa --> Test results added to feature spec
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5. Ship /deploy --> Deployed to Vercel
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```
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### Feature Tracking
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Features are tracked in `features/INDEX.md`:
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| ID | Feature | Status | Spec |
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|----|---------|--------|------|
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| PROJ-1 | User Login | Deployed | [Spec](features/PROJ-1-user-login.md) |
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| PROJ-2 | Dashboard | In Progress | [Spec](features/PROJ-2-dashboard.md) |
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Every skill reads this file at start and updates it when done, preventing duplicate work.
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---
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## Tech Stack
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| Category | Tool | Why? |
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|----------|------|------|
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| **Framework** | Next.js 16 | React + Server Components + App Router |
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| **Language** | TypeScript | Type safety |
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| **Styling** | Tailwind CSS | Utility-first CSS |
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| **UI Library** | shadcn/ui | Copy-paste, customizable components |
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| **Backend** | Supabase (optional) | PostgreSQL + Auth + Storage + Realtime |
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| **Deployment** | Vercel | Zero-config Next.js hosting |
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| **Validation** | Zod | Runtime type validation |
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---
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## Project Structure
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```
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ai-coding-starter-kit/
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+-- CLAUDE.md <-- Auto-loaded project context
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+-- .claude/
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| +-- settings.json <-- Team permissions (committed)
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| +-- settings.local.json <-- Personal overrides (gitignored)
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| +-- rules/ <-- Auto-applied coding rules
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| | +-- general.md Git workflow, feature tracking
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| | +-- frontend.md shadcn/ui, component standards
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| | +-- backend.md RLS, validation, queries
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| | +-- security.md Secrets, headers, auth
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| +-- skills/ <-- Invocable workflows (/command)
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| | +-- requirements/SKILL.md /requirements
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| | +-- architecture/SKILL.md /architecture
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| | +-- frontend/SKILL.md /frontend (runs as sub-agent)
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| | +-- backend/SKILL.md /backend (runs as sub-agent)
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| | +-- qa/SKILL.md /qa (runs as sub-agent)
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| | +-- deploy/SKILL.md /deploy
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| | +-- help/SKILL.md /help
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| +-- agents/ <-- Sub-agent configs
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| +-- frontend-dev.md Model, tools, limits
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| +-- backend-dev.md
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| +-- qa-engineer.md
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+-- features/ <-- Feature specifications
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| +-- INDEX.md Status tracking
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| +-- README.md Spec format documentation
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+-- docs/
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| +-- PRD.md <-- Product Requirements Document
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| +-- production/ <-- Production setup guides
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| +-- error-tracking.md Sentry setup (5 min)
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| +-- security-headers.md XSS/Clickjacking protection
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| +-- performance.md Lighthouse, optimization
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| +-- database-optimization.md Indexing, N+1, caching
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| +-- rate-limiting.md Upstash Redis
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+-- src/
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| +-- app/ <-- Pages (Next.js App Router)
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| +-- components/
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| | +-- ui/ <-- shadcn/ui components (35+ installed)
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| +-- hooks/ <-- Custom React hooks
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| +-- lib/ <-- Utilities
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+-- public/ <-- Static files
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```
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---
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## Getting Started
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### 1. Fill Out Your PRD
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Define your product vision in `docs/PRD.md`:
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- What are you building and why?
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- Who are the target users?
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- What features are on the roadmap?
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### 2. Build Your First Feature
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Run `/requirements` with your feature idea. The skill will:
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- Ask interactive questions to clarify requirements
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- Create a feature spec in `features/PROJ-1-name.md`
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- Update `features/INDEX.md` with the new feature
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- Suggest running `/architecture` as the next step
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### 3. Add shadcn/ui Components (as needed)
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35+ components are pre-installed. Add more as needed:
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```bash
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npx shadcn@latest add [component-name]
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```
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### 4. Production Setup (first deployment)
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When you're ready to deploy, the `/deploy` skill guides you through:
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- Vercel setup and deployment
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- Error tracking with Sentry
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- Security headers configuration
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- Performance monitoring with Lighthouse
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See `docs/production/` for detailed setup guides.
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---
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## How It Works Under the Hood
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### Skills (`.claude/skills/`)
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Each skill is a structured workflow that Claude Code discovers automatically. Skills can run inline (in the main conversation) or as forked sub-agents (isolated context window).
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| Skill | Execution | Why? |
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|-------|-----------|------|
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| `/requirements` | Inline | Needs live interaction with user |
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| `/architecture` | Inline | Short output, user reviews in real-time |
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| `/frontend` | Sub-agent (forked) | Heavy file editing, lots of output |
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| `/backend` | Sub-agent (forked) | Heavy file editing, SQL, API code |
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| `/qa` | Sub-agent (forked) | Systematic testing, lots of output |
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| `/deploy` | Inline | Deployment needs user oversight |
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| `/help` | Inline | Quick status check and guidance |
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### Rules (`.claude/rules/`)
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Coding standards that are auto-applied based on which files Claude is working with. No manual loading needed.
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### Sub-Agent Configs (`.claude/agents/`)
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Lightweight configurations that define model, tool access, and turn limits for forked skills.
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### CLAUDE.md
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Auto-loaded at every session start. Contains tech stack, conventions, and references to PRD and feature index.
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---
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## Context Engineering
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AI agents work best with clean, structured context - not longer prompts. This template is designed around these principles:
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### State lives in files, not in memory
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Every skill reads `features/INDEX.md` and the relevant feature spec at start. After context compaction or a new session, nothing is lost - the agent simply re-reads the files. Progress tracking, acceptance criteria, and tech designs all live in markdown files, not in the conversation.
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### Context is layered
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Not everything is loaded at once. Information is layered by relevance:
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| Layer | What | When loaded |
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| `CLAUDE.md` | Tech stack, conventions, commands | Every session (auto) |
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| `.claude/rules/` | Coding standards | When editing matching files (auto) |
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| Skill `SKILL.md` | Workflow instructions | When skill is invoked |
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| Feature spec | Requirements, AC, tech design | On demand (skill reads it) |
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| `docs/production/` | Deployment guides | Only when referenced |
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### Context is isolated
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Heavy implementation skills (`/frontend`, `/backend`, `/qa`) run as **forked sub-agents** with their own context window. Research noise from one skill doesn't pollute another. Each fork starts clean and loads only what it needs.
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### Context recovery is built in
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All forked skills include a **Context Recovery** section: if the context is compacted mid-task, the agent re-reads the feature spec, checks `git diff` for progress, and continues without restarting or duplicating work.
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### Always read, never guess
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A global rule (`rules/general.md`) enforces: always read a file before modifying it, never assume contents from memory, verify import paths and API routes by reading. This prevents hallucinated code references - the most common source of AI coding errors.
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---
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## Customization for Your Team
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This template is designed as a starting point. Customize it for your team:
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1. **Edit CLAUDE.md** - Add your project-specific conventions and build commands
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2. **Edit docs/PRD.md** - Define your product vision and roadmap
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3. **Edit .claude/rules/** - Adjust coding standards for your team
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4. **Edit .claude/skills/** - Modify workflows to match your process
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5. **Edit .claude/settings.json** - Configure team permissions
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---
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## Production Guides
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Standalone guides in `docs/production/`:
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| Guide | Setup Time | What It Does |
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|-------|-----------|-------------|
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| [Error Tracking](docs/production/error-tracking.md) | 5 min | Sentry integration for automatic error capture |
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| [Security Headers](docs/production/security-headers.md) | 2 min | XSS, Clickjacking, MIME sniffing protection |
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| [Performance](docs/production/performance.md) | 10 min | Lighthouse checks, image optimization, caching |
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| [Database Optimization](docs/production/database-optimization.md) | 15 min | Indexing, N+1 prevention, query optimization |
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| [Rate Limiting](docs/production/rate-limiting.md) | 10 min | Upstash Redis for API abuse prevention |
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---
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## Scripts
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```bash
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npm run dev # Development server (localhost:3000)
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npm run build # Production build
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npm run start # Production server
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npm run lint # ESLint
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```
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---
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## Author
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Created by **Alex Sprogis** – AI Product Engineer & Content Creator.
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- [YouTube](https://www.youtube.com/@alex.sprogis)
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- [Website](https://alexsprogis.de)
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---
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## License
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MIT License - feel free to use for your projects!
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