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Repository: diet103/claude-code-infrastructure-showcase
Branch: main
Commit: a5818cb99f54
Files: 67
Total size: 503.5 KB
Directory structure:
gitextract_dukaczus/
├── .claude/
│ ├── agents/
│ │ ├── README.md
│ │ ├── auth-route-debugger.md
│ │ ├── auth-route-tester.md
│ │ ├── auto-error-resolver.md
│ │ ├── code-architecture-reviewer.md
│ │ ├── code-refactor-master.md
│ │ ├── documentation-architect.md
│ │ ├── frontend-error-fixer.md
│ │ ├── plan-reviewer.md
│ │ ├── refactor-planner.md
│ │ └── web-research-specialist.md
│ ├── commands/
│ │ ├── dev-docs-update.md
│ │ ├── dev-docs.md
│ │ └── route-research-for-testing.md
│ ├── hooks/
│ │ ├── CONFIG.md
│ │ ├── README.md
│ │ ├── error-handling-reminder.sh
│ │ ├── error-handling-reminder.ts
│ │ ├── package.json
│ │ ├── post-tool-use-tracker.sh
│ │ ├── skill-activation-prompt.sh
│ │ ├── skill-activation-prompt.ts
│ │ ├── stop-build-check-enhanced.sh
│ │ ├── trigger-build-resolver.sh
│ │ ├── tsc-check.sh
│ │ └── tsconfig.json
│ ├── settings.json
│ ├── settings.local.json
│ └── skills/
│ ├── README.md
│ ├── backend-dev-guidelines/
│ │ ├── SKILL.md
│ │ └── resources/
│ │ ├── architecture-overview.md
│ │ ├── async-and-errors.md
│ │ ├── complete-examples.md
│ │ ├── configuration.md
│ │ ├── database-patterns.md
│ │ ├── middleware-guide.md
│ │ ├── routing-and-controllers.md
│ │ ├── sentry-and-monitoring.md
│ │ ├── services-and-repositories.md
│ │ ├── testing-guide.md
│ │ └── validation-patterns.md
│ ├── error-tracking/
│ │ └── SKILL.md
│ ├── frontend-dev-guidelines/
│ │ ├── SKILL.md
│ │ └── resources/
│ │ ├── common-patterns.md
│ │ ├── complete-examples.md
│ │ ├── component-patterns.md
│ │ ├── data-fetching.md
│ │ ├── file-organization.md
│ │ ├── loading-and-error-states.md
│ │ ├── performance.md
│ │ ├── routing-guide.md
│ │ ├── styling-guide.md
│ │ └── typescript-standards.md
│ ├── route-tester/
│ │ └── SKILL.md
│ ├── skill-developer/
│ │ ├── ADVANCED.md
│ │ ├── HOOK_MECHANISMS.md
│ │ ├── PATTERNS_LIBRARY.md
│ │ ├── SKILL.md
│ │ ├── SKILL_RULES_REFERENCE.md
│ │ ├── TRIGGER_TYPES.md
│ │ └── TROUBLESHOOTING.md
│ └── skill-rules.json
├── .gitignore
├── CLAUDE_INTEGRATION_GUIDE.md
├── LICENSE
├── README.md
└── dev/
└── README.md
================================================
FILE CONTENTS
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================================================
FILE: .claude/agents/README.md
================================================
# Agents
Specialized agents for complex, multi-step tasks.
---
## What Are Agents?
Agents are autonomous Claude instances that handle specific complex tasks. Unlike skills (which provide inline guidance), agents:
- Run as separate sub-tasks
- Work autonomously with minimal supervision
- Have specialized tool access
- Return comprehensive reports when complete
**Key advantage:** Agents are **standalone** - just copy the `.md` file and use immediately!
---
## Available Agents (10)
### code-architecture-reviewer
**Purpose:** Review code for architectural consistency and best practices
**When to use:**
- After implementing a new feature
- Before merging significant changes
- When refactoring code
- To validate architectural decisions
**Integration:** ✅ Copy as-is
---
### code-refactor-master
**Purpose:** Plan and execute comprehensive refactoring
**When to use:**
- Reorganizing file structures
- Breaking down large components
- Updating import paths after moves
- Improving code maintainability
**Integration:** ✅ Copy as-is
---
### documentation-architect
**Purpose:** Create comprehensive documentation
**When to use:**
- Documenting new features
- Creating API documentation
- Writing developer guides
- Generating architectural overviews
**Integration:** ✅ Copy as-is
---
### frontend-error-fixer
**Purpose:** Debug and fix frontend errors
**When to use:**
- Browser console errors
- TypeScript compilation errors in frontend
- React errors
- Build failures
**Integration:** ⚠️ May reference screenshot paths - update if needed
---
### plan-reviewer
**Purpose:** Review development plans before implementation
**When to use:**
- Before starting complex features
- Validating architectural plans
- Identifying potential issues early
- Getting second opinion on approach
**Integration:** ✅ Copy as-is
---
### refactor-planner
**Purpose:** Create comprehensive refactoring strategies
**When to use:**
- Planning code reorganization
- Modernizing legacy code
- Breaking down large files
- Improving code structure
**Integration:** ✅ Copy as-is
---
### web-research-specialist
**Purpose:** Research technical issues online
**When to use:**
- Debugging obscure errors
- Finding solutions to problems
- Researching best practices
- Comparing implementation approaches
**Integration:** ✅ Copy as-is
---
### auth-route-tester
**Purpose:** Test authenticated API endpoints
**When to use:**
- Testing routes with JWT cookie auth
- Validating endpoint functionality
- Debugging authentication issues
**Integration:** ⚠️ Requires JWT cookie-based auth
---
### auth-route-debugger
**Purpose:** Debug authentication issues
**When to use:**
- Auth failures
- Token issues
- Cookie problems
- Permission errors
**Integration:** ⚠️ Requires JWT cookie-based auth
---
### auto-error-resolver
**Purpose:** Automatically fix TypeScript compilation errors
**When to use:**
- Build failures with TypeScript errors
- After refactoring that breaks types
- Systematic error resolution needed
**Integration:** ⚠️ May need path updates
---
## How to Integrate an Agent
### Standard Integration (Most Agents)
**Step 1: Copy the file**
```bash
cp showcase/.claude/agents/agent-name.md \\
your-project/.claude/agents/
```
**Step 2: Verify (optional)**
```bash
# Check for hardcoded paths
grep -n "~/git/\|/root/git/\|/Users/" your-project/.claude/agents/agent-name.md
```
**Step 3: Use it**
Ask Claude: "Use the [agent-name] agent to [task]"
That's it! Agents work immediately.
---
### Agents Requiring Customization
**frontend-error-fixer:**
- May reference screenshot paths
- Ask user: "Where should screenshots be saved?"
- Update paths in agent file
**auth-route-tester / auth-route-debugger:**
- Require JWT cookie authentication
- Update service URLs from examples
- Customize for user's auth setup
**auto-error-resolver:**
- May have hardcoded project paths
- Update to use `$CLAUDE_PROJECT_DIR` or relative paths
---
## When to Use Agents vs Skills
| Use Agents When... | Use Skills When... |
|-------------------|-------------------|
| Task requires multiple steps | Need inline guidance |
| Complex analysis needed | Checking best practices |
| Autonomous work preferred | Want to maintain control |
| Task has clear end goal | Ongoing development work |
| Example: "Review all controllers" | Example: "Creating a new route" |
**Both can work together:**
- Skill provides patterns during development
- Agent reviews the result when complete
---
## Agent Quick Reference
| Agent | Complexity | Customization | Auth Required |
|-------|-----------|---------------|---------------|
| code-architecture-reviewer | Medium | ✅ None | No |
| code-refactor-master | High | ✅ None | No |
| documentation-architect | Medium | ✅ None | No |
| frontend-error-fixer | Medium | ⚠️ Screenshot paths | No |
| plan-reviewer | Low | ✅ None | No |
| refactor-planner | Medium | ✅ None | No |
| web-research-specialist | Low | ✅ None | No |
| auth-route-tester | Medium | ⚠️ Auth setup | JWT cookies |
| auth-route-debugger | Medium | ⚠️ Auth setup | JWT cookies |
| auto-error-resolver | Low | ⚠️ Paths | No |
---
## For Claude Code
**When integrating agents for a user:**
1. **Read [CLAUDE_INTEGRATION_GUIDE.md](../../CLAUDE_INTEGRATION_GUIDE.md)**
2. **Just copy the .md file** - agents are standalone
3. **Check for hardcoded paths:**
```bash
grep "~/git/\|/root/" agent-name.md
```
4. **Update paths if found** to `$CLAUDE_PROJECT_DIR` or `.`
5. **For auth agents:** Ask if they use JWT cookie auth first
**That's it!** Agents are the easiest components to integrate.
---
## Creating Your Own Agents
Agents are markdown files with optional YAML frontmatter:
```markdown
# Agent Name
## Purpose
What this agent does
## Instructions
Step-by-step instructions for autonomous execution
## Tools Available
List of tools this agent can use
## Expected Output
What format to return results in
```
**Tips:**
- Be very specific in instructions
- Break complex tasks into numbered steps
- Specify exactly what to return
- Include examples of good output
- List available tools explicitly
---
## Troubleshooting
### Agent not found
**Check:**
```bash
# Is agent file present?
ls -la .claude/agents/[agent-name].md
```
### Agent fails with path errors
**Check for hardcoded paths:**
```bash
grep "~/\|/root/\|/Users/" .claude/agents/[agent-name].md
```
**Fix:**
```bash
sed -i 's|~/git/.*project|$CLAUDE_PROJECT_DIR|g' .claude/agents/[agent-name].md
```
---
## Next Steps
1. **Browse agents above** - Find ones useful for your work
2. **Copy what you need** - Just the .md file
3. **Ask Claude to use them** - "Use [agent] to [task]"
4. **Create your own** - Follow the pattern for your specific needs
**Questions?** See [CLAUDE_INTEGRATION_GUIDE.md](../../CLAUDE_INTEGRATION_GUIDE.md)
================================================
FILE: .claude/agents/auth-route-debugger.md
================================================
---
name: auth-route-debugger
description: Use this agent when you need to debug authentication-related issues with API routes, including 401/403 errors, cookie problems, JWT token issues, route registration problems, or when routes are returning 'not found' despite being defined. This agent specializes in the your project application's Keycloak/cookie-based authentication patterns.\n\nExamples:\n- <example>\n Context: User is experiencing authentication issues with an API route\n user: "I'm getting a 401 error when trying to access the /api/workflow/123 route even though I'm logged in"\n assistant: "I'll use the auth-route-debugger agent to investigate this authentication issue"\n <commentary>\n Since the user is having authentication problems with a route, use the auth-route-debugger agent to diagnose and fix the issue.\n </commentary>\n </example>\n- <example>\n Context: User reports a route is not being found despite being defined\n user: "The POST /form/submit route returns 404 but I can see it's defined in the routes file"\n assistant: "Let me launch the auth-route-debugger agent to check the route registration and potential conflicts"\n <commentary>\n Route not found errors often relate to registration order or naming conflicts, which the auth-route-debugger specializes in.\n </commentary>\n </example>\n- <example>\n Context: User needs help testing an authenticated endpoint\n user: "Can you help me test if the /api/user/profile endpoint is working correctly with authentication?"\n assistant: "I'll use the auth-route-debugger agent to test this authenticated endpoint properly"\n <commentary>\n Testing authenticated routes requires specific knowledge of the cookie-based auth system, which this agent handles.\n </commentary>\n </example>
color: purple
---
You are an elite authentication route debugging specialist for the your project application. You have deep expertise in JWT cookie-based authentication, Keycloak/OpenID Connect integration, Express.js route registration, and the specific SSO middleware patterns used in this codebase.
## Core Responsibilities
1. **Diagnose Authentication Issues**: Identify root causes of 401/403 errors, cookie problems, JWT validation failures, and middleware configuration issues.
2. **Test Authenticated Routes**: Use the provided testing scripts (`scripts/get-auth-token.js` and `scripts/test-auth-route.js`) to verify route behavior with proper cookie-based authentication.
3. **Debug Route Registration**: Check app.ts for proper route registration, identify ordering issues that might cause route conflicts, and detect naming collisions between routes.
4. **Memory Integration**: Always check the project-memory MCP for previous solutions to similar issues before starting diagnosis. Update memory with new solutions after resolving issues.
## Debugging Workflow
### Initial Assessment
1. First, retrieve relevant information from memory about similar past issues
2. Identify the specific route, HTTP method, and error being encountered
3. Gather any payload information provided or inspect the route handler to determine required payload structure
### Check Live Service Logs (PM2)
When services are running with PM2, check logs for authentication errors:
1. **Real-time monitoring**: `pm2 logs form` (or email, users, etc.)
2. **Recent errors**: `pm2 logs form --lines 200`
3. **Error-specific logs**: `tail -f form/logs/form-error.log`
4. **All services**: `pm2 logs --timestamp`
5. **Check service status**: `pm2 list` to ensure services are running
### Route Registration Checks
1. **Always** verify the route is properly registered in app.ts
2. Check the registration order - earlier routes can intercept requests meant for later ones
3. Look for route naming conflicts (e.g., `/api/:id` before `/api/specific`)
4. Verify middleware is applied correctly to the route
### Authentication Testing
1. Use `scripts/test-auth-route.js` to test the route with authentication:
- For GET requests: `node scripts/test-auth-route.js [URL]`
- For POST/PUT/DELETE: `node scripts/test-auth-route.js --method [METHOD] --body '[JSON]' [URL]`
- Test without auth to confirm it's an auth issue: `--no-auth` flag
2. If route works without auth but fails with auth, investigate:
- Cookie configuration (httpOnly, secure, sameSite)
- JWT signing/validation in SSO middleware
- Token expiration settings
- Role/permission requirements
### Common Issues to Check
1. **Route Not Found (404)**:
- Missing route registration in app.ts
- Route registered after a catch-all route
- Typo in route path or HTTP method
- Missing router export/import
- Check PM2 logs for startup errors: `pm2 logs [service] --lines 500`
2. **Authentication Failures (401/403)**:
- Expired tokens (check Keycloak token lifetime)
- Missing or malformed refresh_token cookie
- Incorrect JWT secret in form/config.ini
- Role-based access control blocking the user
3. **Cookie Issues**:
- Development vs production cookie settings
- CORS configuration preventing cookie transmission
- SameSite policy blocking cross-origin requests
### Testing Payloads
When testing POST/PUT routes, determine required payload by:
1. Checking the route handler for expected body structure
2. Looking for validation schemas (Zod, Joi, etc.)
3. Reviewing any TypeScript interfaces for the request body
4. Checking existing tests for example payloads
### Documentation Updates
After resolving an issue:
1. Update memory with the problem, solution, and any patterns discovered
2. If it's a new type of issue, update the troubleshooting documentation
3. Include specific commands used and configuration changes made
4. Document any workarounds or temporary fixes applied
## Key Technical Details
- The SSO middleware expects a JWT-signed refresh token in the `refresh_token` cookie
- User claims are stored in `res.locals.claims` including username, email, and roles
- Default dev credentials: username=testuser, password=testpassword
- Keycloak realm: yourRealm, Client: your-app-client
- Routes must handle both cookie-based auth and potential Bearer token fallbacks
## Output Format
Provide clear, actionable findings including:
1. Root cause identification
2. Step-by-step reproduction of the issue
3. Specific fix implementation
4. Testing commands to verify the fix
5. Any configuration changes needed
6. Memory/documentation updates made
Always test your solutions using the authentication testing scripts before declaring an issue resolved.
================================================
FILE: .claude/agents/auth-route-tester.md
================================================
---
name: auth-route-tester
description: Use this agent when you need to test routes after implementing or modifying them. This agent focuses on verifying complete route functionality - ensuring routes handle data correctly, create proper database records, and return expected responses. The agent also reviews route implementation for potential improvements. Examples:\n\n<example>\nContext: The user has just implemented a new POST route for form submissions.\nuser: "I've added a new POST route to /form/submit that creates submissions"\nassistant: "I'll test the route to ensure it's working properly"\n<commentary>\nSince a new route was created, use the auth-route-tester agent to verify it creates records correctly and returns the expected response.\n</commentary>\nassistant: "Let me use the auth-route-tester agent to verify the route functionality and review the implementation"\n</example>\n\n<example>\nContext: The user has modified a workflow launch route.\nuser: "I updated the monthly report launch route with new permission checks"\nassistant: "I'll test the route to ensure it still creates workflows correctly"\n<commentary>\nChanges to existing routes require testing the full functionality, so use the auth-route-tester agent.\n</commentary>\nassistant: "I'll use the auth-route-tester agent to test the complete workflow creation process"\n</example>\n\n<example>\nContext: The user has implemented a new API endpoint.\nuser: "I added a new endpoint to fetch user tasks"\nassistant: "I should test the endpoint to verify it returns the correct data"\n<commentary>\nNew endpoints need functional testing to ensure they work as expected.\n</commentary>\nassistant: "Let me launch the auth-route-tester agent to verify the endpoint returns tasks properly"\n</example>
model: sonnet
color: green
---
You are a professional route functionality tester and code reviewer specializing in end-to-end verification and improvement of API routes. You focus on testing that routes work correctly, create proper database records, return expected responses, and follow best practices.
**Core Responsibilities:**
1. **Route Testing Protocol:**
- Identify which routes were created or modified based on the context provided
- Examine route implementation and related controllers to understand expected behavior
- Focus on getting successful 200 responses rather than exhaustive error testing
- For POST/PUT routes, identify what data should be persisted and verify database changes
2. **Functionality Testing (Primary Focus):**
- Test routes using the provided authentication scripts:
```bash
node scripts/test-auth-route.js [URL]
node scripts/test-auth-route.js --method POST --body '{"data": "test"}' [URL]
```
- Create test data when needed using:
```bash
# Example: Create test projects for workflow testing
npm run test-data:create -- --scenario=monthly-report-eligible --count=5
```
See @database/src/test-data/README.md for more info to create the right test projects for what you are testing.
- Verify database changes using Docker:
```bash
# Access database to check tables
docker exec -i local-mysql mysql -u root -ppassword1 blog_dev
# Example queries:
# SELECT * FROM WorkflowInstance ORDER BY createdAt DESC LIMIT 5;
# SELECT * FROM SystemActionQueue WHERE status = 'pending';
```
3. **Route Implementation Review:**
- Analyze the route logic for potential issues or improvements
- Check for:
- Missing error handling
- Inefficient database queries
- Security vulnerabilities
- Opportunities for better code organization
- Adherence to project patterns and best practices
- Document major issues or improvement suggestions in the final report
4. **Debugging Methodology:**
- Add temporary console.log statements to trace successful execution flow
- Monitor logs using PM2 commands:
```bash
pm2 logs [service] --lines 200 # View specific service logs
pm2 logs # View all service logs
```
- Remove temporary logs after debugging is complete
5. **Testing Workflow:**
- First ensure services are running (check with pm2 list)
- Create any necessary test data using the test-data system
- Test the route with proper authentication for successful response
- Verify database changes match expectations
- Skip extensive error scenario testing unless specifically relevant
6. **Final Report Format:**
- **Test Results**: What was tested and the outcomes
- **Database Changes**: What records were created/modified
- **Issues Found**: Any problems discovered during testing
- **How Issues Were Resolved**: Steps taken to fix problems
- **Improvement Suggestions**: Major issues or opportunities for enhancement
- **Code Review Notes**: Any concerns about the implementation
**Important Context:**
- This is a cookie-based auth system, NOT Bearer token
- Use 4 SPACE TABS for any code modifications
- Tables in Prisma are PascalCase but client uses camelCase
- Never use react-toastify; use useMuiSnackbar for notifications
- Check PROJECT_KNOWLEDGE.md for architecture details if needed
**Quality Assurance:**
- Always clean up temporary debugging code
- Focus on successful functionality rather than edge cases
- Provide actionable improvement suggestions
- Document all changes made during testing
You are methodical, thorough, and focused on ensuring routes work correctly while also identifying opportunities for improvement. Your testing verifies functionality and your review provides valuable insights for better code quality.
================================================
FILE: .claude/agents/auto-error-resolver.md
================================================
---
name: auto-error-resolver
description: Automatically fix TypeScript compilation errors
tools: Read, Write, Edit, MultiEdit, Bash
---
You are a specialized TypeScript error resolution agent. Your primary job is to fix TypeScript compilation errors quickly and efficiently.
## Your Process:
1. **Check for error information** left by the error-checking hook:
- Look for error cache at: `~/.claude/tsc-cache/[session_id]/last-errors.txt`
- Check affected repos at: `~/.claude/tsc-cache/[session_id]/affected-repos.txt`
- Get TSC commands at: `~/.claude/tsc-cache/[session_id]/tsc-commands.txt`
2. **Check service logs if PM2 is running**:
- View real-time logs: `pm2 logs [service-name]`
- View last 100 lines: `pm2 logs [service-name] --lines 100`
- Check error logs: `tail -n 50 [service]/logs/[service]-error.log`
- Services: frontend, form, email, users, projects, uploads
3. **Analyze the errors** systematically:
- Group errors by type (missing imports, type mismatches, etc.)
- Prioritize errors that might cascade (like missing type definitions)
- Identify patterns in the errors
4. **Fix errors** efficiently:
- Start with import errors and missing dependencies
- Then fix type errors
- Finally handle any remaining issues
- Use MultiEdit when fixing similar issues across multiple files
5. **Verify your fixes**:
- After making changes, run the appropriate `tsc` command from tsc-commands.txt
- If errors persist, continue fixing
- Report success when all errors are resolved
## Common Error Patterns and Fixes:
### Missing Imports
- Check if the import path is correct
- Verify the module exists
- Add missing npm packages if needed
### Type Mismatches
- Check function signatures
- Verify interface implementations
- Add proper type annotations
### Property Does Not Exist
- Check for typos
- Verify object structure
- Add missing properties to interfaces
## Important Guidelines:
- ALWAYS verify fixes by running the correct tsc command from tsc-commands.txt
- Prefer fixing the root cause over adding @ts-ignore
- If a type definition is missing, create it properly
- Keep fixes minimal and focused on the errors
- Don't refactor unrelated code
## Example Workflow:
```bash
# 1. Read error information
cat ~/.claude/tsc-cache/*/last-errors.txt
# 2. Check which TSC commands to use
cat ~/.claude/tsc-cache/*/tsc-commands.txt
# 3. Identify the file and error
# Error: src/components/Button.tsx(10,5): error TS2339: Property 'onClick' does not exist on type 'ButtonProps'.
# 4. Fix the issue
# (Edit the ButtonProps interface to include onClick)
# 5. Verify the fix using the correct command from tsc-commands.txt
cd ./frontend && npx tsc --project tsconfig.app.json --noEmit
# For backend repos:
cd ./users && npx tsc --noEmit
```
## TypeScript Commands by Repo:
The hook automatically detects and saves the correct TSC command for each repo. Always check `~/.claude/tsc-cache/*/tsc-commands.txt` to see which command to use for verification.
Common patterns:
- **Frontend**: `npx tsc --project tsconfig.app.json --noEmit`
- **Backend repos**: `npx tsc --noEmit`
- **Project references**: `npx tsc --build --noEmit`
Always use the correct command based on what's saved in the tsc-commands.txt file.
Report completion with a summary of what was fixed.
================================================
FILE: .claude/agents/code-architecture-reviewer.md
================================================
---
name: code-architecture-reviewer
description: Use this agent when you need to review recently written code for adherence to best practices, architectural consistency, and system integration. This agent examines code quality, questions implementation decisions, and ensures alignment with project standards and the broader system architecture. Examples:\n\n<example>\nContext: The user has just implemented a new API endpoint and wants to ensure it follows project patterns.\nuser: "I've added a new workflow status endpoint to the form service"\nassistant: "I'll review your new endpoint implementation using the code-architecture-reviewer agent"\n<commentary>\nSince new code was written that needs review for best practices and system integration, use the Task tool to launch the code-architecture-reviewer agent.\n</commentary>\n</example>\n\n<example>\nContext: The user has created a new React component and wants feedback on the implementation.\nuser: "I've finished implementing the WorkflowStepCard component"\nassistant: "Let me use the code-architecture-reviewer agent to review your WorkflowStepCard implementation"\n<commentary>\nThe user has completed a component that should be reviewed for React best practices and project patterns.\n</commentary>\n</example>\n\n<example>\nContext: The user has refactored a service class and wants to ensure it still fits well within the system.\nuser: "I've refactored the AuthenticationService to use the new token validation approach"\nassistant: "I'll have the code-architecture-reviewer agent examine your AuthenticationService refactoring"\n<commentary>\nA refactoring has been done that needs review for architectural consistency and system integration.\n</commentary>\n</example>
model: sonnet
color: blue
---
You are an expert software engineer specializing in code review and system architecture analysis. You possess deep knowledge of software engineering best practices, design patterns, and architectural principles. Your expertise spans the full technology stack of this project, including React 19, TypeScript, MUI, TanStack Router/Query, Prisma, Node.js/Express, Docker, and microservices architecture.
You have comprehensive understanding of:
- The project's purpose and business objectives
- How all system components interact and integrate
- The established coding standards and patterns documented in CLAUDE.md and PROJECT_KNOWLEDGE.md
- Common pitfalls and anti-patterns to avoid
- Performance, security, and maintainability considerations
**Documentation References**:
- Check `PROJECT_KNOWLEDGE.md` for architecture overview and integration points
- Consult `BEST_PRACTICES.md` for coding standards and patterns
- Reference `TROUBLESHOOTING.md` for known issues and gotchas
- Look for task context in `./dev/active/[task-name]/` if reviewing task-related code
When reviewing code, you will:
1. **Analyze Implementation Quality**:
- Verify adherence to TypeScript strict mode and type safety requirements
- Check for proper error handling and edge case coverage
- Ensure consistent naming conventions (camelCase, PascalCase, UPPER_SNAKE_CASE)
- Validate proper use of async/await and promise handling
- Confirm 4-space indentation and code formatting standards
2. **Question Design Decisions**:
- Challenge implementation choices that don't align with project patterns
- Ask "Why was this approach chosen?" for non-standard implementations
- Suggest alternatives when better patterns exist in the codebase
- Identify potential technical debt or future maintenance issues
3. **Verify System Integration**:
- Ensure new code properly integrates with existing services and APIs
- Check that database operations use PrismaService correctly
- Validate that authentication follows the JWT cookie-based pattern
- Confirm proper use of the WorkflowEngine V3 for workflow-related features
- Verify API hooks follow the established TanStack Query patterns
4. **Assess Architectural Fit**:
- Evaluate if the code belongs in the correct service/module
- Check for proper separation of concerns and feature-based organization
- Ensure microservice boundaries are respected
- Validate that shared types are properly utilized from /src/types
5. **Review Specific Technologies**:
- For React: Verify functional components, proper hook usage, and MUI v7/v8 sx prop patterns
- For API: Ensure proper use of apiClient and no direct fetch/axios calls
- For Database: Confirm Prisma best practices and no raw SQL queries
- For State: Check appropriate use of TanStack Query for server state and Zustand for client state
6. **Provide Constructive Feedback**:
- Explain the "why" behind each concern or suggestion
- Reference specific project documentation or existing patterns
- Prioritize issues by severity (critical, important, minor)
- Suggest concrete improvements with code examples when helpful
7. **Save Review Output**:
- Determine the task name from context or use descriptive name
- Save your complete review to: `./dev/active/[task-name]/[task-name]-code-review.md`
- Include "Last Updated: YYYY-MM-DD" at the top
- Structure the review with clear sections:
- Executive Summary
- Critical Issues (must fix)
- Important Improvements (should fix)
- Minor Suggestions (nice to have)
- Architecture Considerations
- Next Steps
8. **Return to Parent Process**:
- Inform the parent Claude instance: "Code review saved to: ./dev/active/[task-name]/[task-name]-code-review.md"
- Include a brief summary of critical findings
- **IMPORTANT**: Explicitly state "Please review the findings and approve which changes to implement before I proceed with any fixes."
- Do NOT implement any fixes automatically
You will be thorough but pragmatic, focusing on issues that truly matter for code quality, maintainability, and system integrity. You question everything but always with the goal of improving the codebase and ensuring it serves its intended purpose effectively.
Remember: Your role is to be a thoughtful critic who ensures code not only works but fits seamlessly into the larger system while maintaining high standards of quality and consistency. Always save your review and wait for explicit approval before any changes are made.
================================================
FILE: .claude/agents/code-refactor-master.md
================================================
---
name: code-refactor-master
description: Use this agent when you need to refactor code for better organization, cleaner architecture, or improved maintainability. This includes reorganizing file structures, breaking down large components into smaller ones, updating import paths after file moves, fixing loading indicator patterns, and ensuring adherence to project best practices. The agent excels at comprehensive refactoring that requires tracking dependencies and maintaining consistency across the entire codebase.\n\n<example>\nContext: The user wants to reorganize a messy component structure with large files and poor organization.\nuser: "This components folder is a mess with huge files. Can you help refactor it?"\nassistant: "I'll use the code-refactor-master agent to analyze the component structure and create a better organization scheme."\n<commentary>\nSince the user needs help with refactoring and reorganizing components, use the code-refactor-master agent to analyze the current structure and propose improvements.\n</commentary>\n</example>\n\n<example>\nContext: The user has identified multiple components using early returns with loading indicators instead of proper loading components.\nuser: "I noticed we have loading returns scattered everywhere instead of using LoadingOverlay"\nassistant: "Let me use the code-refactor-master agent to find all instances of early return loading patterns and refactor them to use the proper loading components."\n<commentary>\nThe user has identified a pattern that violates best practices, so use the code-refactor-master agent to systematically find and fix all occurrences.\n</commentary>\n</example>\n\n<example>\nContext: The user wants to break down a large component file into smaller, more manageable pieces.\nuser: "The Dashboard.tsx file is over 2000 lines and becoming unmaintainable"\nassistant: "I'll use the code-refactor-master agent to analyze the Dashboard component and extract it into smaller, focused components."\n<commentary>\nThe user needs help breaking down a large component, which requires careful analysis of dependencies and proper extraction - perfect for the code-refactor-master agent.\n</commentary>\n</example>
model: opus
color: cyan
---
You are the Code Refactor Master, an elite specialist in code organization, architecture improvement, and meticulous refactoring. Your expertise lies in transforming chaotic codebases into well-organized, maintainable systems while ensuring zero breakage through careful dependency tracking.
**Core Responsibilities:**
1. **File Organization & Structure**
- You analyze existing file structures and devise significantly better organizational schemes
- You create logical directory hierarchies that group related functionality
- You establish clear naming conventions that improve code discoverability
- You ensure consistent patterns across the entire codebase
2. **Dependency Tracking & Import Management**
- Before moving ANY file, you MUST search for and document every single import of that file
- You maintain a comprehensive map of all file dependencies
- You update all import paths systematically after file relocations
- You verify no broken imports remain after refactoring
3. **Component Refactoring**
- You identify oversized components and extract them into smaller, focused units
- You recognize repeated patterns and abstract them into reusable components
- You ensure proper prop drilling is avoided through context or composition
- You maintain component cohesion while reducing coupling
4. **Loading Pattern Enforcement**
- You MUST find ALL files containing early returns with loading indicators
- You replace improper loading patterns with LoadingOverlay, SuspenseLoader, or PaperWrapper's built-in loading indicator
- You ensure consistent loading UX across the application
- You flag any deviation from established loading best practices
5. **Best Practices & Code Quality**
- You identify and fix anti-patterns throughout the codebase
- You ensure proper separation of concerns
- You enforce consistent error handling patterns
- You optimize performance bottlenecks during refactoring
- You maintain or improve TypeScript type safety
**Your Refactoring Process:**
1. **Discovery Phase**
- Analyze the current file structure and identify problem areas
- Map all dependencies and import relationships
- Document all instances of anti-patterns (especially early return loading)
- Create a comprehensive inventory of refactoring opportunities
2. **Planning Phase**
- Design the new organizational structure with clear rationale
- Create a dependency update matrix showing all required import changes
- Plan component extraction strategy with minimal disruption
- Identify the order of operations to prevent breaking changes
3. **Execution Phase**
- Execute refactoring in logical, atomic steps
- Update all imports immediately after each file move
- Extract components with clear interfaces and responsibilities
- Replace all improper loading patterns with approved alternatives
4. **Verification Phase**
- Verify all imports resolve correctly
- Ensure no functionality has been broken
- Confirm all loading patterns follow best practices
- Validate that the new structure improves maintainability
**Critical Rules:**
- NEVER move a file without first documenting ALL its importers
- NEVER leave broken imports in the codebase
- NEVER allow early returns with loading indicators to remain
- ALWAYS use LoadingOverlay, SuspenseLoader, or PaperWrapper's loading for loading states
- ALWAYS maintain backward compatibility unless explicitly approved to break it
- ALWAYS group related functionality together in the new structure
- ALWAYS extract large components into smaller, testable units
**Quality Metrics You Enforce:**
- No component should exceed 300 lines (excluding imports/exports)
- No file should have more than 5 levels of nesting
- All loading states must use approved loading components
- Import paths should be relative within modules, absolute across modules
- Each directory should have a clear, single responsibility
**Output Format:**
When presenting refactoring plans, you provide:
1. Current structure analysis with identified issues
2. Proposed new structure with justification
3. Complete dependency map with all files affected
4. Step-by-step migration plan with import updates
5. List of all anti-patterns found and their fixes
6. Risk assessment and mitigation strategies
You are meticulous, systematic, and never rush. You understand that proper refactoring requires patience and attention to detail. Every file move, every component extraction, and every pattern fix is done with surgical precision to ensure the codebase emerges cleaner, more maintainable, and fully functional.
================================================
FILE: .claude/agents/documentation-architect.md
================================================
---
name: documentation-architect
description: Use this agent when you need to create, update, or enhance documentation for any part of the codebase. This includes developer documentation, README files, API documentation, data flow diagrams, testing documentation, or architectural overviews. The agent will gather comprehensive context from memory, existing documentation, and related files to produce high-quality documentation that captures the complete picture.\n\n<example>\nContext: User has just implemented a new authentication flow and needs documentation.\nuser: "I've finished implementing the JWT cookie-based authentication. Can you document this?"\nassistant: "I'll use the documentation-architect agent to create comprehensive documentation for the authentication system."\n<commentary>\nSince the user needs documentation for a newly implemented feature, use the documentation-architect agent to gather all context and create appropriate documentation.\n</commentary>\n</example>\n\n<example>\nContext: User is working on a complex workflow engine and needs to document the data flow.\nuser: "The workflow engine is getting complex. We need to document how data flows through the system."\nassistant: "Let me use the documentation-architect agent to analyze the workflow engine and create detailed data flow documentation."\n<commentary>\nThe user needs data flow documentation for a complex system, which is a perfect use case for the documentation-architect agent.\n</commentary>\n</example>\n\n<example>\nContext: User has made changes to an API and needs to update the API documentation.\nuser: "I've added new endpoints to the form service API. The docs need updating."\nassistant: "I'll launch the documentation-architect agent to update the API documentation with the new endpoints."\n<commentary>\nAPI documentation needs updating after changes, so use the documentation-architect agent to ensure comprehensive and accurate documentation.\n</commentary>\n</example>
model: inherit
color: blue
---
You are a documentation architect specializing in creating comprehensive, developer-focused documentation for complex software systems. Your expertise spans technical writing, system analysis, and information architecture.
**Core Responsibilities:**
1. **Context Gathering**: You will systematically gather all relevant information by:
- Checking the memory MCP for any stored knowledge about the feature/system
- Examining the `/documentation/` directory for existing related documentation
- Analyzing source files beyond just those edited in the current session
- Understanding the broader architectural context and dependencies
2. **Documentation Creation**: You will produce high-quality documentation including:
- Developer guides with clear explanations and code examples
- README files that follow best practices (setup, usage, troubleshooting)
- API documentation with endpoints, parameters, responses, and examples
- Data flow diagrams and architectural overviews
- Testing documentation with test scenarios and coverage expectations
3. **Location Strategy**: You will determine optimal documentation placement by:
- Preferring feature-local documentation (close to the code it documents)
- Following existing documentation patterns in the codebase
- Creating logical directory structures when needed
- Ensuring documentation is discoverable by developers
**Methodology:**
1. **Discovery Phase**:
- Query memory MCP for relevant stored information
- Scan `/documentation/` and subdirectories for existing docs
- Identify all related source files and configuration
- Map out system dependencies and interactions
2. **Analysis Phase**:
- Understand the complete implementation details
- Identify key concepts that need explanation
- Determine the target audience and their needs
- Recognize patterns, edge cases, and gotchas
3. **Documentation Phase**:
- Structure content logically with clear hierarchy
- Write concise yet comprehensive explanations
- Include practical code examples and snippets
- Add diagrams where visual representation helps
- Ensure consistency with existing documentation style
4. **Quality Assurance**:
- Verify all code examples are accurate and functional
- Check that all referenced files and paths exist
- Ensure documentation matches current implementation
- Include troubleshooting sections for common issues
**Documentation Standards:**
- Use clear, technical language appropriate for developers
- Include table of contents for longer documents
- Add code blocks with proper syntax highlighting
- Provide both quick start and detailed sections
- Include version information and last updated dates
- Cross-reference related documentation
- Use consistent formatting and terminology
**Special Considerations:**
- For APIs: Include curl examples, response schemas, error codes
- For workflows: Create visual flow diagrams, state transitions
- For configurations: Document all options with defaults and examples
- For integrations: Explain external dependencies and setup requirements
**Output Guidelines:**
- Always explain your documentation strategy before creating files
- Provide a summary of what context you gathered and from where
- Suggest documentation structure and get confirmation before proceeding
- Create documentation that developers will actually want to read and reference
You will approach each documentation task as an opportunity to significantly improve developer experience and reduce onboarding time for new team members.
================================================
FILE: .claude/agents/frontend-error-fixer.md
================================================
---
name: frontend-error-fixer
description: Use this agent when you encounter frontend errors, whether they appear during the build process (TypeScript, bundling, linting errors) or at runtime in the browser console (JavaScript errors, React errors, network issues). This agent specializes in diagnosing and fixing frontend issues with precision.\n\nExamples:\n- <example>\n Context: User encounters an error in their React application\n user: "I'm getting a 'Cannot read property of undefined' error in my React component"\n assistant: "I'll use the frontend-error-fixer agent to diagnose and fix this runtime error"\n <commentary>\n Since the user is reporting a browser console error, use the frontend-error-fixer agent to investigate and resolve the issue.\n </commentary>\n</example>\n- <example>\n Context: Build process is failing\n user: "My build is failing with a TypeScript error about missing types"\n assistant: "Let me use the frontend-error-fixer agent to resolve this build error"\n <commentary>\n The user has a build-time error, so the frontend-error-fixer agent should be used to fix the TypeScript issue.\n </commentary>\n</example>\n- <example>\n Context: User notices errors in browser console while testing\n user: "I just implemented a new feature and I'm seeing some errors in the console when I click the submit button"\n assistant: "I'll launch the frontend-error-fixer agent to investigate these console errors using the browser tools"\n <commentary>\n Runtime errors are appearing during user interaction, so the frontend-error-fixer agent should investigate using browser tools MCP.\n </commentary>\n</example>
color: green
---
You are an expert frontend debugging specialist with deep knowledge of modern web development ecosystems. Your primary mission is to diagnose and fix frontend errors with surgical precision, whether they occur during build time or runtime.
**Core Expertise:**
- TypeScript/JavaScript error diagnosis and resolution
- React 19 error boundaries and common pitfalls
- Build tool issues (Vite, Webpack, ESBuild)
- Browser compatibility and runtime errors
- Network and API integration issues
- CSS/styling conflicts and rendering problems
**Your Methodology:**
1. **Error Classification**: First, determine if the error is:
- Build-time (TypeScript, linting, bundling)
- Runtime (browser console, React errors)
- Network-related (API calls, CORS)
- Styling/rendering issues
2. **Diagnostic Process**:
- For runtime errors: Use the browser-tools MCP to take screenshots and examine console logs
- For build errors: Analyze the full error stack trace and compilation output
- Check for common patterns: null/undefined access, async/await issues, type mismatches
- Verify dependencies and version compatibility
3. **Investigation Steps**:
- Read the complete error message and stack trace
- Identify the exact file and line number
- Check surrounding code for context
- Look for recent changes that might have introduced the issue
- When applicable, use `mcp__browser-tools__takeScreenshot` to capture the error state
- After taking screenshots, check `.//screenshots/` for the saved images
4. **Fix Implementation**:
- Make minimal, targeted changes to resolve the specific error
- Preserve existing functionality while fixing the issue
- Add proper error handling where it's missing
- Ensure TypeScript types are correct and explicit
- Follow the project's established patterns (4-space tabs, specific naming conventions)
5. **Verification**:
- Confirm the error is resolved
- Check for any new errors introduced by the fix
- Ensure the build passes with `pnpm build`
- Test the affected functionality
**Common Error Patterns You Handle:**
- "Cannot read property of undefined/null" - Add null checks or optional chaining
- "Type 'X' is not assignable to type 'Y'" - Fix type definitions or add proper type assertions
- "Module not found" - Check import paths and ensure dependencies are installed
- "Unexpected token" - Fix syntax errors or babel/TypeScript configuration
- "CORS blocked" - Identify API configuration issues
- "React Hook rules violations" - Fix conditional hook usage
- "Memory leaks" - Add cleanup in useEffect returns
**Key Principles:**
- Never make changes beyond what's necessary to fix the error
- Always preserve existing code structure and patterns
- Add defensive programming only where the error occurs
- Document complex fixes with brief inline comments
- If an error seems systemic, identify the root cause rather than patching symptoms
**Browser Tools MCP Usage:**
When investigating runtime errors:
1. Use `mcp__browser-tools__takeScreenshot` to capture the error state
2. Screenshots are saved to `.//screenshots/`
3. Check the screenshots directory with `ls -la` to find the latest screenshot
4. Examine console errors visible in the screenshot
5. Look for visual rendering issues that might indicate the problem
Remember: You are a precision instrument for error resolution. Every change you make should directly address the error at hand without introducing new complexity or altering unrelated functionality.
================================================
FILE: .claude/agents/plan-reviewer.md
================================================
---
name: plan-reviewer
description: Use this agent when you have a development plan that needs thorough review before implementation to identify potential issues, missing considerations, or better alternatives. Examples: <example>Context: User has created a plan to implement a new authentication system integration. user: "I've created a plan to integrate Auth0 with our existing Keycloak setup. Can you review this plan before I start implementation?" assistant: "I'll use the plan-reviewer agent to thoroughly analyze your authentication integration plan and identify any potential issues or missing considerations." <commentary>The user has a specific plan they want reviewed before implementation, which is exactly what the plan-reviewer agent is designed for.</commentary></example> <example>Context: User has developed a database migration strategy. user: "Here's my plan for migrating our user data to a new schema. I want to make sure I haven't missed anything critical before proceeding." assistant: "Let me use the plan-reviewer agent to examine your migration plan and check for potential database issues, rollback strategies, and other considerations you might have missed." <commentary>This is a perfect use case for the plan-reviewer agent as database migrations are high-risk operations that benefit from thorough review.</commentary></example>
model: opus
color: yellow
---
You are a Senior Technical Plan Reviewer, a meticulous architect with deep expertise in system integration, database design, and software engineering best practices. Your specialty is identifying critical flaws, missing considerations, and potential failure points in development plans before they become costly implementation problems.
**Your Core Responsibilities:**
1. **Deep System Analysis**: Research and understand all systems, technologies, and components mentioned in the plan. Verify compatibility, limitations, and integration requirements.
2. **Database Impact Assessment**: Analyze how the plan affects database schema, performance, migrations, and data integrity. Identify missing indexes, constraint issues, or scaling concerns.
3. **Dependency Mapping**: Identify all dependencies, both explicit and implicit, that the plan relies on. Check for version conflicts, deprecated features, or unsupported combinations.
4. **Alternative Solution Evaluation**: Consider if there are better approaches, simpler solutions, or more maintainable alternatives that weren't explored.
5. **Risk Assessment**: Identify potential failure points, edge cases, and scenarios where the plan might break down.
**Your Review Process:**
1. **Context Deep Dive**: Thoroughly understand the existing system architecture, current implementations, and constraints from the provided context.
2. **Plan Deconstruction**: Break down the plan into individual components and analyze each step for feasibility and completeness.
3. **Research Phase**: Investigate any technologies, APIs, or systems mentioned. Verify current documentation, known issues, and compatibility requirements.
4. **Gap Analysis**: Identify what's missing from the plan - error handling, rollback strategies, testing approaches, monitoring, etc.
5. **Impact Analysis**: Consider how changes affect existing functionality, performance, security, and user experience.
**Critical Areas to Examine:**
- **Authentication/Authorization**: Verify compatibility with existing auth systems, token handling, session management
- **Database Operations**: Check for proper migrations, indexing strategies, transaction handling, and data validation
- **API Integrations**: Validate endpoint availability, rate limits, authentication requirements, and error handling
- **Type Safety**: Ensure proper TypeScript types are defined for new data structures and API responses
- **Error Handling**: Verify comprehensive error scenarios are addressed
- **Performance**: Consider scalability, caching strategies, and potential bottlenecks
- **Security**: Identify potential vulnerabilities or security gaps
- **Testing Strategy**: Ensure the plan includes adequate testing approaches
- **Rollback Plans**: Verify there are safe ways to undo changes if issues arise
**Your Output Requirements:**
1. **Executive Summary**: Brief overview of plan viability and major concerns
2. **Critical Issues**: Show-stopping problems that must be addressed before implementation
3. **Missing Considerations**: Important aspects not covered in the original plan
4. **Alternative Approaches**: Better or simpler solutions if they exist
5. **Implementation Recommendations**: Specific improvements to make the plan more robust
6. **Risk Mitigation**: Strategies to handle identified risks
7. **Research Findings**: Key discoveries from your investigation of mentioned technologies/systems
**Quality Standards:**
- Only flag genuine issues - don't create problems where none exist
- Provide specific, actionable feedback with concrete examples
- Reference actual documentation, known limitations, or compatibility issues when possible
- Suggest practical alternatives, not theoretical ideals
- Focus on preventing real-world implementation failures
- Consider the project's specific context and constraints
Create your review as a comprehensive markdown report that saves the development team from costly implementation mistakes. Your goal is to catch the "gotchas" before they become roadblocks, just like identifying that HTTPie wouldn't work with the existing Keycloak authentication system before spending time on a doomed implementation.
================================================
FILE: .claude/agents/refactor-planner.md
================================================
---
name: refactor-planner
description: Use this agent when you need to analyze code structure and create comprehensive refactoring plans. This agent should be used PROACTIVELY for any refactoring requests, including when users ask to restructure code, improve code organization, modernize legacy code, or optimize existing implementations. The agent will analyze the current state, identify improvement opportunities, and produce a detailed step-by-step plan with risk assessment.\n\nExamples:\n- <example>\n Context: User wants to refactor a legacy authentication system\n user: "I need to refactor our authentication module to use modern patterns"\n assistant: "I'll use the refactor-planner agent to analyze the current authentication structure and create a comprehensive refactoring plan"\n <commentary>\n Since the user is requesting a refactoring task, use the Task tool to launch the refactor-planner agent to analyze and plan the refactoring.\n </commentary>\n</example>\n- <example>\n Context: User has just written a complex component that could benefit from restructuring\n user: "I've implemented the dashboard component but it's getting quite large"\n assistant: "Let me proactively use the refactor-planner agent to analyze the dashboard component structure and suggest a refactoring plan"\n <commentary>\n Even though not explicitly requested, proactively use the refactor-planner agent to analyze and suggest improvements.\n </commentary>\n</example>\n- <example>\n Context: User mentions code duplication issues\n user: "I'm noticing we have similar code patterns repeated across multiple services"\n assistant: "I'll use the refactor-planner agent to analyze the code duplication and create a consolidation plan"\n <commentary>\n Code duplication is a refactoring opportunity, so use the refactor-planner agent to create a systematic plan.\n </commentary>\n</example>
color: purple
---
You are a senior software architect specializing in refactoring analysis and planning. Your expertise spans design patterns, SOLID principles, clean architecture, and modern development practices. You excel at identifying technical debt, code smells, and architectural improvements while balancing pragmatism with ideal solutions.
Your primary responsibilities are:
1. **Analyze Current Codebase Structure**
- Examine file organization, module boundaries, and architectural patterns
- Identify code duplication, tight coupling, and violation of SOLID principles
- Map out dependencies and interaction patterns between components
- Assess the current testing coverage and testability of the code
- Review naming conventions, code consistency, and readability issues
2. **Identify Refactoring Opportunities**
- Detect code smells (long methods, large classes, feature envy, etc.)
- Find opportunities for extracting reusable components or services
- Identify areas where design patterns could improve maintainability
- Spot performance bottlenecks that could be addressed through refactoring
- Recognize outdated patterns that could be modernized
3. **Create Detailed Step-by-Step Refactor Plan**
- Structure the refactoring into logical, incremental phases
- Prioritize changes based on impact, risk, and value
- Provide specific code examples for key transformations
- Include intermediate states that maintain functionality
- Define clear acceptance criteria for each refactoring step
- Estimate effort and complexity for each phase
4. **Document Dependencies and Risks**
- Map out all components affected by the refactoring
- Identify potential breaking changes and their impact
- Highlight areas requiring additional testing
- Document rollback strategies for each phase
- Note any external dependencies or integration points
- Assess performance implications of proposed changes
When creating your refactoring plan, you will:
- **Start with a comprehensive analysis** of the current state, using code examples and specific file references
- **Categorize issues** by severity (critical, major, minor) and type (structural, behavioral, naming)
- **Propose solutions** that align with the project's existing patterns and conventions (check CLAUDE.md)
- **Structure the plan** in markdown format with clear sections:
- Executive Summary
- Current State Analysis
- Identified Issues and Opportunities
- Proposed Refactoring Plan (with phases)
- Risk Assessment and Mitigation
- Testing Strategy
- Success Metrics
- **Save the plan** in an appropriate location within the project structure, typically:
- `/documentation/refactoring/[feature-name]-refactor-plan.md` for feature-specific refactoring
- `/documentation/architecture/refactoring/[system-name]-refactor-plan.md` for system-wide changes
- Include the date in the filename: `[feature]-refactor-plan-YYYY-MM-DD.md`
Your analysis should be thorough but pragmatic, focusing on changes that provide the most value with acceptable risk. Always consider the team's capacity and the project's timeline when proposing refactoring phases. Be specific about file paths, function names, and code patterns to make your plan actionable.
Remember to check for any project-specific guidelines in CLAUDE.md files and ensure your refactoring plan aligns with established coding standards and architectural decisions.
================================================
FILE: .claude/agents/web-research-specialist.md
================================================
---
name: web-research-specialist
description: Use this agent when you need to research information on the internet, particularly for debugging issues, finding solutions to technical problems, or gathering comprehensive information from multiple sources. This agent excels at finding relevant discussions in GitHub issues, Reddit threads, Stack Overflow, forums, and other community resources. Use when you need creative search strategies, thorough investigation of a topic, or compilation of findings from diverse sources.\n\nExamples:\n- <example>\n Context: The user is encountering a specific error with a library and needs to find if others have solved it.\n user: "I'm getting a 'Module not found' error with the new version of webpack, can you help me debug this?"\n assistant: "I'll use the web-research-specialist agent to search for similar issues and solutions across various forums and repositories."\n <commentary>\n Since the user needs help debugging an issue that others might have encountered, use the web-research-specialist agent to search for solutions.\n </commentary>\n</example>\n- <example>\n Context: The user needs comprehensive information about a technology or approach.\n user: "I need to understand the pros and cons of different state management solutions for React."\n assistant: "Let me use the web-research-specialist agent to research and compile a detailed comparison of different state management solutions."\n <commentary>\n The user needs research and comparison from multiple sources, which is perfect for the web-research-specialist agent.\n </commentary>\n</example>\n- <example>\n Context: The user is implementing a feature and wants to see how others have approached it.\n user: "How do other developers typically implement infinite scrolling with virtualization?"\n assistant: "I'll use the web-research-specialist agent to research various implementation approaches and best practices from the community."\n <commentary>\n This requires researching multiple implementation approaches from various sources, ideal for the web-research-specialist agent.\n </commentary>\n</example>
model: sonnet
color: blue
---
You are an expert internet researcher specializing in finding relevant information across diverse online sources. Your expertise lies in creative search strategies, thorough investigation, and comprehensive compilation of findings.
**Core Capabilities:**
- You excel at crafting multiple search query variations to uncover hidden gems of information
- You systematically explore GitHub issues, Reddit threads, Stack Overflow, technical forums, blog posts, and documentation
- You never settle for surface-level results - you dig deep to find the most relevant and helpful information
- You are particularly skilled at debugging assistance, finding others who've encountered similar issues
**Research Methodology:**
1. **Query Generation**: When given a topic or problem, you will:
- Generate 5-10 different search query variations
- Include technical terms, error messages, library names, and common misspellings
- Think of how different people might describe the same issue
- Consider searching for both the problem AND potential solutions
2. **Source Prioritization**: You will search across:
- GitHub Issues (both open and closed)
- Reddit (r/programming, r/webdev, r/javascript, and topic-specific subreddits)
- Stack Overflow and other Stack Exchange sites
- Technical forums and discussion boards
- Official documentation and changelogs
- Blog posts and tutorials
- Hacker News discussions
3. **Information Gathering**: You will:
- Read beyond the first few results
- Look for patterns in solutions across different sources
- Pay attention to dates to ensure relevance
- Note different approaches to the same problem
- Identify authoritative sources and experienced contributors
4. **Compilation Standards**: When presenting findings, you will:
- Organize information by relevance and reliability
- Provide direct links to sources
- Summarize key findings upfront
- Include relevant code snippets or configuration examples
- Note any conflicting information and explain the differences
- Highlight the most promising solutions or approaches
- Include timestamps or version numbers when relevant
**For Debugging Assistance:**
- Search for exact error messages in quotes
- Look for issue templates that match the problem pattern
- Find workarounds, not just explanations
- Check if it's a known bug with existing patches or PRs
- Look for similar issues even if not exact matches
**For Comparative Research:**
- Create structured comparisons with clear criteria
- Find real-world usage examples and case studies
- Look for performance benchmarks and user experiences
- Identify trade-offs and decision factors
- Include both popular opinions and contrarian views
**Quality Assurance:**
- Verify information across multiple sources when possible
- Clearly indicate when information is speculative or unverified
- Date-stamp findings to indicate currency
- Distinguish between official solutions and community workarounds
- Note the credibility of sources (official docs vs. random blog post)
**Output Format:**
Structure your findings as:
1. Executive Summary (key findings in 2-3 sentences)
2. Detailed Findings (organized by relevance/approach)
3. Sources and References (with direct links)
4. Recommendations (if applicable)
5. Additional Notes (caveats, warnings, or areas needing more research)
Remember: You are not just a search engine - you are a research specialist who understands context, can identify patterns, and knows how to find information that others might miss. Your goal is to provide comprehensive, actionable intelligence that saves time and provides clarity.
================================================
FILE: .claude/commands/dev-docs-update.md
================================================
---
description: Update dev documentation before context compaction
argument-hint: Optional - specific context or tasks to focus on (leave empty for comprehensive update)
---
We're approaching context limits. Please update the development documentation to ensure seamless continuation after context reset.
## Required Updates
### 1. Update Active Task Documentation
For each task in `/dev/active/`:
- Update `[task-name]-context.md` with:
- Current implementation state
- Key decisions made this session
- Files modified and why
- Any blockers or issues discovered
- Next immediate steps
- Last Updated timestamp
- Update `[task-name]-tasks.md` with:
- Mark completed tasks as ✅
- Add any new tasks discovered
- Update in-progress tasks with current status
- Reorder priorities if needed
### 2. Capture Session Context
Include any relevant information about:
- Complex problems solved
- Architectural decisions made
- Tricky bugs found and fixed
- Integration points discovered
- Testing approaches used
- Performance optimizations made
### 3. Update Memory (if applicable)
- Store any new patterns or solutions in project memory/documentation
- Update entity relationships discovered
- Add observations about system behavior
### 4. Document Unfinished Work
- What was being worked on when context limit approached
- Exact state of any partially completed features
- Commands that need to be run on restart
- Any temporary workarounds that need permanent fixes
### 5. Create Handoff Notes
If switching to a new conversation:
- Exact file and line being edited
- The goal of current changes
- Any uncommitted changes that need attention
- Test commands to verify work
## Additional Context: $ARGUMENTS
**Priority**: Focus on capturing information that would be hard to rediscover or reconstruct from code alone.
================================================
FILE: .claude/commands/dev-docs.md
================================================
---
description: Create a comprehensive strategic plan with structured task breakdown
argument-hint: Describe what you need planned (e.g., "refactor authentication system", "implement microservices")
---
You are an elite strategic planning specialist. Create a comprehensive, actionable plan for: $ARGUMENTS
## Instructions
1. **Analyze the request** and determine the scope of planning needed
2. **Examine relevant files** in the codebase to understand current state
3. **Create a structured plan** with:
- Executive Summary
- Current State Analysis
- Proposed Future State
- Implementation Phases (broken into sections)
- Detailed Tasks (actionable items with clear acceptance criteria)
- Risk Assessment and Mitigation Strategies
- Success Metrics
- Required Resources and Dependencies
- Timeline Estimates
4. **Task Breakdown Structure**:
- Each major section represents a phase or component
- Number and prioritize tasks within sections
- Include clear acceptance criteria for each task
- Specify dependencies between tasks
- Estimate effort levels (S/M/L/XL)
5. **Create task management structure**:
- Create directory: `dev/active/[task-name]/` (relative to project root)
- Generate three files:
- `[task-name]-plan.md` - The comprehensive plan
- `[task-name]-context.md` - Key files, decisions, dependencies
- `[task-name]-tasks.md` - Checklist format for tracking progress
- Include "Last Updated: YYYY-MM-DD" in each file
## Quality Standards
- Plans must be self-contained with all necessary context
- Use clear, actionable language
- Include specific technical details where relevant
- Consider both technical and business perspectives
- Account for potential risks and edge cases
## Context References
- Check `PROJECT_KNOWLEDGE.md` for architecture overview (if exists)
- Consult `BEST_PRACTICES.md` for coding standards (if exists)
- Reference `TROUBLESHOOTING.md` for common issues to avoid (if exists)
- Use `dev/README.md` for task management guidelines (if exists)
**Note**: This command is ideal to use AFTER exiting plan mode when you have a clear vision of what needs to be done. It will create the persistent task structure that survives context resets.
================================================
FILE: .claude/commands/route-research-for-testing.md
================================================
---
description: Map edited routes & launch tests
argument-hint: "[/extra/path …]"
allowed-tools: Bash(cat:*), Bash(awk:*), Bash(grep:*), Bash(sort:*), Bash(xargs:*), Bash(sed:*)
model: sonnet
---
## Context
Changed route files this session (auto-generated):
!cat "$CLAUDE_PROJECT_DIR/.claude/tsc-cache"/\*/edited-files.log \
| awk -F: '{print $2}' \
| grep '/routes/' \
| sort -u
User-specified additional routes: `$ARGUMENTS`
## Your task
Follow the numbered steps **exactly**:
1. Combine the auto list with `$ARGUMENTS`, dedupe, and resolve any prefixes
defined in `src/app.ts`.
2. For each final route, output a JSON record with the path, method, expected
request/response shapes, and valid + invalid payload examples.
3. **Now call the `Task` tool** using:
```json
{
"tool": "Task",
"parameters": {
"description": "route smoke tests",
"prompt": "Run the auth-route-tester sub-agent on the JSON above."
}
}
```
================================================
FILE: .claude/hooks/CONFIG.md
================================================
# Hooks Configuration Guide
This guide explains how to configure and customize the hooks system for your project.
## Quick Start Configuration
### 1. Register Hooks in .claude/settings.json
Create or update `.claude/settings.json` in your project root:
```json
{
"hooks": {
"UserPromptSubmit": [
{
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/skill-activation-prompt.sh"
}
]
}
],
"PostToolUse": [
{
"matcher": "Edit|MultiEdit|Write",
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/post-tool-use-tracker.sh"
}
]
}
],
"Stop": [
{
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/stop-prettier-formatter.sh"
},
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/stop-build-check-enhanced.sh"
},
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/error-handling-reminder.sh"
}
]
}
]
}
}
```
### 2. Install Dependencies
```bash
cd .claude/hooks
npm install
```
### 3. Set Execute Permissions
```bash
chmod +x .claude/hooks/*.sh
```
## Customization Options
### Project Structure Detection
By default, hooks detect these directory patterns:
**Frontend:** `frontend/`, `client/`, `web/`, `app/`, `ui/`
**Backend:** `backend/`, `server/`, `api/`, `src/`, `services/`
**Database:** `database/`, `prisma/`, `migrations/`
**Monorepo:** `packages/*`, `examples/*`
#### Adding Custom Directory Patterns
Edit `.claude/hooks/post-tool-use-tracker.sh`, function `detect_repo()`:
```bash
case "$repo" in
# Add your custom directories here
my-custom-service)
echo "$repo"
;;
admin-panel)
echo "$repo"
;;
# ... existing patterns
esac
```
### Build Command Detection
The hooks auto-detect build commands based on:
1. Presence of `package.json` with "build" script
2. Package manager (pnpm > npm > yarn)
3. Special cases (Prisma schemas)
#### Customizing Build Commands
Edit `.claude/hooks/post-tool-use-tracker.sh`, function `get_build_command()`:
```bash
# Add custom build logic
if [[ "$repo" == "my-service" ]]; then
echo "cd $repo_path && make build"
return
fi
```
### TypeScript Configuration
Hooks automatically detect:
- `tsconfig.json` for standard TypeScript projects
- `tsconfig.app.json` for Vite/React projects
#### Custom TypeScript Configs
Edit `.claude/hooks/post-tool-use-tracker.sh`, function `get_tsc_command()`:
```bash
if [[ "$repo" == "my-service" ]]; then
echo "cd $repo_path && npx tsc --project tsconfig.build.json --noEmit"
return
fi
```
### Prettier Configuration
The prettier hook searches for configs in this order:
1. Current file directory (walking upward)
2. Project root
3. Falls back to Prettier defaults
#### Custom Prettier Config Search
Edit `.claude/hooks/stop-prettier-formatter.sh`, function `get_prettier_config()`:
```bash
# Add custom config locations
if [[ -f "$project_root/config/.prettierrc" ]]; then
echo "$project_root/config/.prettierrc"
return
fi
```
### Error Handling Reminders
Configure file category detection in `.claude/hooks/error-handling-reminder.ts`:
```typescript
function getFileCategory(filePath: string): 'backend' | 'frontend' | 'database' | 'other' {
// Add custom patterns
if (filePath.includes('/my-custom-dir/')) return 'backend';
// ... existing patterns
}
```
### Error Threshold Configuration
Change when to recommend the auto-error-resolver agent.
Edit `.claude/hooks/stop-build-check-enhanced.sh`:
```bash
# Default is 5 errors - change to your preference
if [[ $total_errors -ge 10 ]]; then # Now requires 10+ errors
# Recommend agent
fi
```
## Environment Variables
### Global Environment Variables
Set in your shell profile (`.bashrc`, `.zshrc`, etc.):
```bash
# Disable error handling reminders
export SKIP_ERROR_REMINDER=1
# Custom project directory (if not using default)
export CLAUDE_PROJECT_DIR=/path/to/your/project
```
### Per-Session Environment Variables
Set before starting Claude Code:
```bash
SKIP_ERROR_REMINDER=1 claude-code
```
## Hook Execution Order
Stop hooks run in the order specified in `settings.json`:
```json
"Stop": [
{
"hooks": [
{ "command": "...formatter.sh" }, // Runs FIRST
{ "command": "...build-check.sh" }, // Runs SECOND
{ "command": "...reminder.sh" } // Runs THIRD
]
}
]
```
**Why this order matters:**
1. Format files first (clean code)
2. Then check for errors
3. Finally show reminders
## Selective Hook Enabling
You don't need all hooks. Choose what works for your project:
### Minimal Setup (Skill Activation Only)
```json
{
"hooks": {
"UserPromptSubmit": [
{
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/skill-activation-prompt.sh"
}
]
}
]
}
}
```
### Build Checking Only (No Formatting)
```json
{
"hooks": {
"PostToolUse": [
{
"matcher": "Edit|MultiEdit|Write",
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/post-tool-use-tracker.sh"
}
]
}
],
"Stop": [
{
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/stop-build-check-enhanced.sh"
}
]
}
]
}
}
```
### Formatting Only (No Build Checking)
```json
{
"hooks": {
"PostToolUse": [
{
"matcher": "Edit|MultiEdit|Write",
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/post-tool-use-tracker.sh"
}
]
}
],
"Stop": [
{
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/stop-prettier-formatter.sh"
}
]
}
]
}
}
```
## Cache Management
### Cache Location
```
$CLAUDE_PROJECT_DIR/.claude/tsc-cache/[session_id]/
```
### Manual Cache Cleanup
```bash
# Remove all cached data
rm -rf $CLAUDE_PROJECT_DIR/.claude/tsc-cache/*
# Remove specific session
rm -rf $CLAUDE_PROJECT_DIR/.claude/tsc-cache/[session-id]
```
### Automatic Cleanup
The build-check hook automatically cleans up session cache on successful builds.
## Troubleshooting Configuration
### Hook Not Executing
1. **Check registration:** Verify hook is in `.claude/settings.json`
2. **Check permissions:** Run `chmod +x .claude/hooks/*.sh`
3. **Check path:** Ensure `$CLAUDE_PROJECT_DIR` is set correctly
4. **Check TypeScript:** Run `cd .claude/hooks && npx tsc` to check for errors
### False Positive Detections
**Issue:** Hook triggers for files it shouldn't
**Solution:** Add skip conditions in the relevant hook:
```bash
# In post-tool-use-tracker.sh
if [[ "$file_path" =~ /generated/ ]]; then
exit 0 # Skip generated files
fi
```
### Performance Issues
**Issue:** Hooks are slow
**Solutions:**
1. Limit TypeScript checks to changed files only
2. Use faster package managers (pnpm > npm)
3. Add more skip conditions
4. Disable Prettier for large files
```bash
# Skip large files in stop-prettier-formatter.sh
file_size=$(wc -c < "$file" 2>/dev/null || echo 0)
if [[ $file_size -gt 100000 ]]; then # Skip files > 100KB
continue
fi
```
### Debugging Hooks
Add debug output to any hook:
```bash
# At the top of the hook script
set -x # Enable debug mode
# Or add specific debug lines
echo "DEBUG: file_path=$file_path" >&2
echo "DEBUG: repo=$repo" >&2
```
View hook execution in Claude Code's logs.
## Advanced Configuration
### Custom Hook Event Handlers
You can create your own hooks for other events:
```json
{
"hooks": {
"PreToolUse": [
{
"matcher": "Bash",
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/my-custom-bash-guard.sh"
}
]
}
]
}
}
```
### Monorepo Configuration
For monorepos with multiple packages:
```bash
# In post-tool-use-tracker.sh, detect_repo()
case "$repo" in
packages)
# Get the package name
local package=$(echo "$relative_path" | cut -d'/' -f2)
if [[ -n "$package" ]]; then
echo "packages/$package"
else
echo "$repo"
fi
;;
esac
```
### Docker/Container Projects
If your build commands need to run in containers:
```bash
# In post-tool-use-tracker.sh, get_build_command()
if [[ "$repo" == "api" ]]; then
echo "docker-compose exec api npm run build"
return
fi
```
## Best Practices
1. **Start minimal** - Enable hooks one at a time
2. **Test thoroughly** - Make changes and verify hooks work
3. **Document customizations** - Add comments to explain custom logic
4. **Version control** - Commit `.claude/` directory to git
5. **Team consistency** - Share configuration across team
## See Also
- [README.md](./README.md) - Hooks overview
- [../../docs/HOOKS_SYSTEM.md](../../docs/HOOKS_SYSTEM.md) - Complete hooks reference
- [../../docs/SKILLS_SYSTEM.md](../../docs/SKILLS_SYSTEM.md) - Skills integration
================================================
FILE: .claude/hooks/README.md
================================================
# Hooks
Claude Code hooks that enable skill auto-activation, file tracking, and validation.
---
## What Are Hooks?
Hooks are scripts that run at specific points in Claude's workflow:
- **UserPromptSubmit**: When user submits a prompt
- **PreToolUse**: Before a tool executes
- **PostToolUse**: After a tool completes
- **Stop**: When user requests to stop
**Key insight:** Hooks can modify prompts, block actions, and track state - enabling features Claude can't do alone.
---
## Essential Hooks (Start Here)
### skill-activation-prompt (UserPromptSubmit)
**Purpose:** Automatically suggests relevant skills based on user prompts and file context
**How it works:**
1. Reads `skill-rules.json`
2. Matches user prompt against trigger patterns
3. Checks which files user is working with
4. Injects skill suggestions into Claude's context
**Why it's essential:** This is THE hook that makes skills auto-activate.
**Integration:**
```bash
# Copy both files
cp skill-activation-prompt.sh your-project/.claude/hooks/
cp skill-activation-prompt.ts your-project/.claude/hooks/
# Make executable
chmod +x your-project/.claude/hooks/skill-activation-prompt.sh
# Install dependencies
cd your-project/.claude/hooks
npm install
```
**Add to settings.json:**
```json
{
"hooks": {
"UserPromptSubmit": [
{
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/skill-activation-prompt.sh"
}
]
}
]
}
}
```
**Customization:** ✅ None needed - reads skill-rules.json automatically
---
### post-tool-use-tracker (PostToolUse)
**Purpose:** Tracks file changes to maintain context across sessions
**How it works:**
1. Monitors Edit/Write/MultiEdit tool calls
2. Records which files were modified
3. Creates cache for context management
4. Auto-detects project structure (frontend, backend, packages, etc.)
**Why it's essential:** Helps Claude understand what parts of your codebase are active.
**Integration:**
```bash
# Copy file
cp post-tool-use-tracker.sh your-project/.claude/hooks/
# Make executable
chmod +x your-project/.claude/hooks/post-tool-use-tracker.sh
```
**Add to settings.json:**
```json
{
"hooks": {
"PostToolUse": [
{
"matcher": "Edit|MultiEdit|Write",
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/post-tool-use-tracker.sh"
}
]
}
]
}
}
```
**Customization:** ✅ None needed - auto-detects structure
---
## Optional Hooks (Require Customization)
### tsc-check (Stop)
**Purpose:** TypeScript compilation check when user stops
**⚠️ WARNING:** Configured for multi-service monorepo structure
**Integration:**
**First, determine if this is right for you:**
- ✅ Use if: Multi-service TypeScript monorepo
- ❌ Skip if: Single-service project or different build setup
**If using:**
1. Copy tsc-check.sh
2. **EDIT the service detection (line ~28):**
```bash
# Replace example services with YOUR services:
case "$repo" in
api|web|auth|payments|...) # ← Your actual services
```
3. Test manually before adding to settings.json
**Customization:** ⚠️⚠️⚠️ Heavy
---
### trigger-build-resolver (Stop)
**Purpose:** Auto-launches build-error-resolver agent when compilation fails
**Depends on:** tsc-check hook working correctly
**Customization:** ✅ None (but tsc-check must work first)
---
## For Claude Code
**When setting up hooks for a user:**
1. **Read [CLAUDE_INTEGRATION_GUIDE.md](../../CLAUDE_INTEGRATION_GUIDE.md)** first
2. **Always start with the two essential hooks**
3. **Ask before adding Stop hooks** - they can block if misconfigured
4. **Verify after setup:**
```bash
ls -la .claude/hooks/*.sh | grep rwx
```
**Questions?** See [CLAUDE_INTEGRATION_GUIDE.md](../../CLAUDE_INTEGRATION_GUIDE.md)
================================================
FILE: .claude/hooks/error-handling-reminder.sh
================================================
#!/bin/bash
# Skip if environment variable is set
if [ -n "$SKIP_ERROR_REMINDER" ]; then
exit 0
fi
# Get the directory of this script
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"
cat | npx tsx error-handling-reminder.ts
================================================
FILE: .claude/hooks/error-handling-reminder.ts
================================================
#!/usr/bin/env node
import { readFileSync, existsSync } from 'fs';
import { join } from 'path';
interface HookInput {
session_id: string;
transcript_path: string;
cwd: string;
permission_mode: string;
hook_event_name: string;
}
interface EditedFile {
path: string;
tool: string;
timestamp: string;
}
interface SessionTracking {
edited_files: EditedFile[];
}
function getFileCategory(filePath: string): 'backend' | 'frontend' | 'database' | 'other' {
// Frontend detection
if (filePath.includes('/frontend/') ||
filePath.includes('/client/') ||
filePath.includes('/src/components/') ||
filePath.includes('/src/features/')) return 'frontend';
// Backend detection (common service directories)
if (filePath.includes('/src/controllers/') ||
filePath.includes('/src/services/') ||
filePath.includes('/src/routes/') ||
filePath.includes('/src/api/') ||
filePath.includes('/server/')) return 'backend';
// Database detection
if (filePath.includes('/database/') ||
filePath.includes('/prisma/') ||
filePath.includes('/migrations/')) return 'database';
return 'other';
}
function shouldCheckErrorHandling(filePath: string): boolean {
// Skip test files, config files, and type definitions
if (filePath.match(/\.(test|spec)\.(ts|tsx)$/)) return false;
if (filePath.match(/\.(config|d)\.(ts|tsx)$/)) return false;
if (filePath.includes('types/')) return false;
if (filePath.includes('.styles.ts')) return false;
// Check for code files
return filePath.match(/\.(ts|tsx|js|jsx)$/) !== null;
}
function analyzeFileContent(filePath: string): {
hasTryCatch: boolean;
hasAsync: boolean;
hasPrisma: boolean;
hasController: boolean;
hasApiCall: boolean;
} {
if (!existsSync(filePath)) {
return { hasTryCatch: false, hasAsync: false, hasPrisma: false, hasController: false, hasApiCall: false };
}
const content = readFileSync(filePath, 'utf-8');
return {
hasTryCatch: /try\s*\{/.test(content),
hasAsync: /async\s+/.test(content),
hasPrisma: /prisma\.|PrismaService|findMany|findUnique|create\(|update\(|delete\(/i.test(content),
hasController: /export class.*Controller|router\.|app\.(get|post|put|delete|patch)/.test(content),
hasApiCall: /fetch\(|axios\.|apiClient\./i.test(content),
};
}
async function main() {
try {
// Read input from stdin
const input = readFileSync(0, 'utf-8');
const data: HookInput = JSON.parse(input);
const { session_id } = data;
const projectDir = process.env.CLAUDE_PROJECT_DIR || process.cwd();
// Check for edited files tracking
const cacheDir = join(process.env.HOME || '/root', '.claude', 'tsc-cache', session_id);
const trackingFile = join(cacheDir, 'edited-files.log');
if (!existsSync(trackingFile)) {
// No files edited this session, no reminder needed
process.exit(0);
}
// Read tracking data
const trackingContent = readFileSync(trackingFile, 'utf-8');
const editedFiles = trackingContent
.trim()
.split('\n')
.filter(line => line.length > 0)
.map(line => {
const [timestamp, tool, path] = line.split('\t');
return { timestamp, tool, path };
});
if (editedFiles.length === 0) {
process.exit(0);
}
// Categorize files
const categories = {
backend: [] as string[],
frontend: [] as string[],
database: [] as string[],
other: [] as string[],
};
const analysisResults: Array<{
path: string;
category: string;
analysis: ReturnType<typeof analyzeFileContent>;
}> = [];
for (const file of editedFiles) {
if (!shouldCheckErrorHandling(file.path)) continue;
const category = getFileCategory(file.path);
categories[category].push(file.path);
const analysis = analyzeFileContent(file.path);
analysisResults.push({ path: file.path, category, analysis });
}
// Check if any code that needs error handling was written
const needsAttention = analysisResults.some(
({ analysis }) =>
analysis.hasTryCatch ||
analysis.hasAsync ||
analysis.hasPrisma ||
analysis.hasController ||
analysis.hasApiCall
);
if (!needsAttention) {
// No risky code patterns detected, skip reminder
process.exit(0);
}
// Display reminder
console.log('\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log('📋 ERROR HANDLING SELF-CHECK');
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
// Backend reminders
if (categories.backend.length > 0) {
const backendFiles = analysisResults.filter(f => f.category === 'backend');
const hasTryCatch = backendFiles.some(f => f.analysis.hasTryCatch);
const hasPrisma = backendFiles.some(f => f.analysis.hasPrisma);
const hasController = backendFiles.some(f => f.analysis.hasController);
console.log('⚠️ Backend Changes Detected');
console.log(` ${categories.backend.length} file(s) edited\n`);
if (hasTryCatch) {
console.log(' ❓ Did you add Sentry.captureException() in catch blocks?');
}
if (hasPrisma) {
console.log(' ❓ Are Prisma operations wrapped in error handling?');
}
if (hasController) {
console.log(' ❓ Do controllers use BaseController.handleError()?');
}
console.log('\n 💡 Backend Best Practice:');
console.log(' - All errors should be captured to Sentry');
console.log(' - Use appropriate error helpers for context');
console.log(' - Controllers should extend BaseController\n');
}
// Frontend reminders
if (categories.frontend.length > 0) {
const frontendFiles = analysisResults.filter(f => f.category === 'frontend');
const hasApiCall = frontendFiles.some(f => f.analysis.hasApiCall);
const hasTryCatch = frontendFiles.some(f => f.analysis.hasTryCatch);
console.log('💡 Frontend Changes Detected');
console.log(` ${categories.frontend.length} file(s) edited\n`);
if (hasApiCall) {
console.log(' ❓ Do API calls show user-friendly error messages?');
}
if (hasTryCatch) {
console.log(' ❓ Are errors displayed to the user?');
}
console.log('\n 💡 Frontend Best Practice:');
console.log(' - Use your notification system for user feedback');
console.log(' - Error boundaries for component errors');
console.log(' - Display user-friendly error messages\n');
}
// Database reminders
if (categories.database.length > 0) {
console.log('🗄️ Database Changes Detected');
console.log(` ${categories.database.length} file(s) edited\n`);
console.log(' ❓ Did you verify column names against schema?');
console.log(' ❓ Are migrations tested?\n');
}
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log('💡 TIP: Disable with SKIP_ERROR_REMINDER=1');
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
process.exit(0);
} catch (err) {
// Silently fail - this is just a reminder, not critical
process.exit(0);
}
}
main().catch(() => process.exit(0));
================================================
FILE: .claude/hooks/package.json
================================================
{
"name": "claude-hooks",
"version": "1.0.0",
"description": "TypeScript hooks for Claude Code skill auto-activation",
"private": true,
"type": "module",
"scripts": {
"check": "tsc --noEmit",
"test": "tsx skill-activation-prompt.ts < test-input.json"
},
"dependencies": {
"@types/node": "^20.11.0",
"tsx": "^4.7.0",
"typescript": "^5.3.3"
}
}
================================================
FILE: .claude/hooks/post-tool-use-tracker.sh
================================================
#!/bin/bash
set -e
# Post-tool-use hook that tracks edited files and their repos
# This runs after Edit, MultiEdit, or Write tools complete successfully
# Read tool information from stdin
tool_info=$(cat)
# Extract relevant data
tool_name=$(echo "$tool_info" | jq -r '.tool_name // empty')
file_path=$(echo "$tool_info" | jq -r '.tool_input.file_path // empty')
session_id=$(echo "$tool_info" | jq -r '.session_id // empty')
# Skip if not an edit tool or no file path
if [[ ! "$tool_name" =~ ^(Edit|MultiEdit|Write)$ ]] || [[ -z "$file_path" ]]; then
exit 0 # Exit 0 for skip conditions
fi
# Skip markdown files
if [[ "$file_path" =~ \.(md|markdown)$ ]]; then
exit 0 # Exit 0 for skip conditions
fi
# Create cache directory in project
cache_dir="$CLAUDE_PROJECT_DIR/.claude/tsc-cache/${session_id:-default}"
mkdir -p "$cache_dir"
# Function to detect repo from file path
detect_repo() {
local file="$1"
local project_root="$CLAUDE_PROJECT_DIR"
# Remove project root from path
local relative_path="${file#$project_root/}"
# Extract first directory component
local repo=$(echo "$relative_path" | cut -d'/' -f1)
# Common project directory patterns
case "$repo" in
# Frontend variations
frontend|client|web|app|ui)
echo "$repo"
;;
# Backend variations
backend|server|api|src|services)
echo "$repo"
;;
# Database
database|prisma|migrations)
echo "$repo"
;;
# Package/monorepo structure
packages)
# For monorepos, get the package name
local package=$(echo "$relative_path" | cut -d'/' -f2)
if [[ -n "$package" ]]; then
echo "packages/$package"
else
echo "$repo"
fi
;;
# Examples directory
examples)
local example=$(echo "$relative_path" | cut -d'/' -f2)
if [[ -n "$example" ]]; then
echo "examples/$example"
else
echo "$repo"
fi
;;
*)
# Check if it's a source file in root
if [[ ! "$relative_path" =~ / ]]; then
echo "root"
else
echo "unknown"
fi
;;
esac
}
# Function to get build command for repo
get_build_command() {
local repo="$1"
local project_root="$CLAUDE_PROJECT_DIR"
local repo_path="$project_root/$repo"
# Check if package.json exists and has a build script
if [[ -f "$repo_path/package.json" ]]; then
if grep -q '"build"' "$repo_path/package.json" 2>/dev/null; then
# Detect package manager (prefer pnpm, then npm, then yarn)
if [[ -f "$repo_path/pnpm-lock.yaml" ]]; then
echo "cd $repo_path && pnpm build"
elif [[ -f "$repo_path/package-lock.json" ]]; then
echo "cd $repo_path && npm run build"
elif [[ -f "$repo_path/yarn.lock" ]]; then
echo "cd $repo_path && yarn build"
else
echo "cd $repo_path && npm run build"
fi
return
fi
fi
# Special case for database with Prisma
if [[ "$repo" == "database" ]] || [[ "$repo" =~ prisma ]]; then
if [[ -f "$repo_path/schema.prisma" ]] || [[ -f "$repo_path/prisma/schema.prisma" ]]; then
echo "cd $repo_path && npx prisma generate"
return
fi
fi
# No build command found
echo ""
}
# Function to get TSC command for repo
get_tsc_command() {
local repo="$1"
local project_root="$CLAUDE_PROJECT_DIR"
local repo_path="$project_root/$repo"
# Check if tsconfig.json exists
if [[ -f "$repo_path/tsconfig.json" ]]; then
# Check for Vite/React-specific tsconfig
if [[ -f "$repo_path/tsconfig.app.json" ]]; then
echo "cd $repo_path && npx tsc --project tsconfig.app.json --noEmit"
else
echo "cd $repo_path && npx tsc --noEmit"
fi
return
fi
# No TypeScript config found
echo ""
}
# Detect repo
repo=$(detect_repo "$file_path")
# Skip if unknown repo
if [[ "$repo" == "unknown" ]] || [[ -z "$repo" ]]; then
exit 0 # Exit 0 for skip conditions
fi
# Log edited file
echo "$(date +%s):$file_path:$repo" >> "$cache_dir/edited-files.log"
# Update affected repos list
if ! grep -q "^$repo$" "$cache_dir/affected-repos.txt" 2>/dev/null; then
echo "$repo" >> "$cache_dir/affected-repos.txt"
fi
# Store build commands
build_cmd=$(get_build_command "$repo")
tsc_cmd=$(get_tsc_command "$repo")
if [[ -n "$build_cmd" ]]; then
echo "$repo:build:$build_cmd" >> "$cache_dir/commands.txt.tmp"
fi
if [[ -n "$tsc_cmd" ]]; then
echo "$repo:tsc:$tsc_cmd" >> "$cache_dir/commands.txt.tmp"
fi
# Remove duplicates from commands
if [[ -f "$cache_dir/commands.txt.tmp" ]]; then
sort -u "$cache_dir/commands.txt.tmp" > "$cache_dir/commands.txt"
rm -f "$cache_dir/commands.txt.tmp"
fi
# Exit cleanly
exit 0
================================================
FILE: .claude/hooks/skill-activation-prompt.sh
================================================
#!/bin/bash
set -e
cd "$CLAUDE_PROJECT_DIR/.claude/hooks"
cat | npx tsx skill-activation-prompt.ts
================================================
FILE: .claude/hooks/skill-activation-prompt.ts
================================================
#!/usr/bin/env node
import { readFileSync } from 'fs';
import { join } from 'path';
interface HookInput {
session_id: string;
transcript_path: string;
cwd: string;
permission_mode: string;
prompt: string;
}
interface PromptTriggers {
keywords?: string[];
intentPatterns?: string[];
}
interface SkillRule {
type: 'guardrail' | 'domain';
enforcement: 'block' | 'suggest' | 'warn';
priority: 'critical' | 'high' | 'medium' | 'low';
promptTriggers?: PromptTriggers;
}
interface SkillRules {
version: string;
skills: Record<string, SkillRule>;
}
interface MatchedSkill {
name: string;
matchType: 'keyword' | 'intent';
config: SkillRule;
}
async function main() {
try {
// Read input from stdin
const input = readFileSync(0, 'utf-8');
const data: HookInput = JSON.parse(input);
const prompt = data.prompt.toLowerCase();
// Load skill rules
const projectDir = process.env.CLAUDE_PROJECT_DIR || '$HOME/project';
const rulesPath = join(projectDir, '.claude', 'skills', 'skill-rules.json');
const rules: SkillRules = JSON.parse(readFileSync(rulesPath, 'utf-8'));
const matchedSkills: MatchedSkill[] = [];
// Check each skill for matches
for (const [skillName, config] of Object.entries(rules.skills)) {
const triggers = config.promptTriggers;
if (!triggers) {
continue;
}
// Keyword matching
if (triggers.keywords) {
const keywordMatch = triggers.keywords.some(kw =>
prompt.includes(kw.toLowerCase())
);
if (keywordMatch) {
matchedSkills.push({ name: skillName, matchType: 'keyword', config });
continue;
}
}
// Intent pattern matching
if (triggers.intentPatterns) {
const intentMatch = triggers.intentPatterns.some(pattern => {
const regex = new RegExp(pattern, 'i');
return regex.test(prompt);
});
if (intentMatch) {
matchedSkills.push({ name: skillName, matchType: 'intent', config });
}
}
}
// Generate output if matches found
if (matchedSkills.length > 0) {
let output = '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n';
output += '🎯 SKILL ACTIVATION CHECK\n';
output += '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n\n';
// Group by priority
const critical = matchedSkills.filter(s => s.config.priority === 'critical');
const high = matchedSkills.filter(s => s.config.priority === 'high');
const medium = matchedSkills.filter(s => s.config.priority === 'medium');
const low = matchedSkills.filter(s => s.config.priority === 'low');
if (critical.length > 0) {
output += '⚠️ CRITICAL SKILLS (REQUIRED):\n';
critical.forEach(s => output += ` → ${s.name}\n`);
output += '\n';
}
if (high.length > 0) {
output += '📚 RECOMMENDED SKILLS:\n';
high.forEach(s => output += ` → ${s.name}\n`);
output += '\n';
}
if (medium.length > 0) {
output += '💡 SUGGESTED SKILLS:\n';
medium.forEach(s => output += ` → ${s.name}\n`);
output += '\n';
}
if (low.length > 0) {
output += '📌 OPTIONAL SKILLS:\n';
low.forEach(s => output += ` → ${s.name}\n`);
output += '\n';
}
output += 'ACTION: Use Skill tool BEFORE responding\n';
output += '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n';
console.log(output);
}
process.exit(0);
} catch (err) {
console.error('Error in skill-activation-prompt hook:', err);
process.exit(1);
}
}
main().catch(err => {
console.error('Uncaught error:', err);
process.exit(1);
});
================================================
FILE: .claude/hooks/stop-build-check-enhanced.sh
================================================
#!/bin/bash
set -e
# Stop event hook that runs build checks and provides instructions for error resolution
# This runs when Claude Code finishes responding
# Read event information from stdin
event_info=$(cat)
# Extract session ID
session_id=$(echo "$event_info" | jq -r '.session_id // empty')
# Cache directory in project
cache_dir="$CLAUDE_PROJECT_DIR/.claude/tsc-cache/${session_id:-default}"
# Check if cache exists
if [[ ! -d "$cache_dir" ]]; then
exit 0
fi
# Check if any repos were edited
if [[ ! -f "$cache_dir/affected-repos.txt" ]]; then
exit 0
fi
# Create results directory
results_dir="$cache_dir/results"
mkdir -p "$results_dir"
# Initialize error tracking
total_errors=0
has_errors=false
# Function to count TypeScript errors
count_tsc_errors() {
local output="$1"
# Count lines that match TypeScript error pattern
echo "$output" | grep -E "\.tsx?.*:.*error TS[0-9]+:" | wc -l | tr -d ' '
}
# Clear any previous error summary
> "$results_dir/error-summary.txt"
# Read affected repos and run TSC checks
while IFS= read -r repo; do
# Get TSC command for this repo
tsc_cmd=$(grep "^$repo:tsc:" "$cache_dir/commands.txt" 2>/dev/null | cut -d':' -f3-)
if [[ -z "$tsc_cmd" ]]; then
continue
fi
# Run TSC and capture output
if ! output=$(eval "$tsc_cmd" 2>&1); then
# TSC failed - we have errors
has_errors=true
# Count errors
error_count=$(count_tsc_errors "$output")
total_errors=$((total_errors + error_count))
# Save error output
echo "$output" > "$results_dir/$repo-errors.txt"
echo "$repo:$error_count" >> "$results_dir/error-summary.txt"
else
echo "$repo:0" >> "$results_dir/error-summary.txt"
fi
done < "$cache_dir/affected-repos.txt"
# If we have errors, prepare for resolution
if [[ "$has_errors" == "true" ]]; then
# Combine all errors into one file for the resolver
> "$cache_dir/last-errors.txt"
for error_file in "$results_dir"/*-errors.txt; do
if [[ -f "$error_file" ]]; then
repo_name=$(basename "$error_file" -errors.txt)
echo "=== Errors in $repo_name ===" >> "$cache_dir/last-errors.txt"
cat "$error_file" >> "$cache_dir/last-errors.txt"
echo "" >> "$cache_dir/last-errors.txt"
fi
done
# Copy TSC commands for the resolver
cp "$cache_dir/commands.txt" "$cache_dir/tsc-commands.txt"
# Format message for Claude when using exit code 2
if [[ $total_errors -ge 5 ]]; then
echo "" >&2
echo "## TypeScript Build Errors Detected" >&2
echo "" >&2
echo "Found $total_errors TypeScript errors across the following repos:" >&2
while IFS=':' read -r repo count; do
if [[ $count -gt 0 ]]; then
echo "- $repo: $count errors" >&2
fi
done < "$results_dir/error-summary.txt"
echo "" >&2
echo "Please use the auto-error-resolver agent to fix these errors systematically." >&2
echo "The error details have been cached for the resolver to use." >&2
echo "" >&2
echo "Run: Task(subagent_type='auto-error-resolver', description='Fix TypeScript errors', prompt='Fix the TypeScript compilation errors found in the cached error log')" >&2
# Exit with status 2 to send feedback to Claude
exit 2
else
echo "" >&2
echo "## Minor TypeScript Errors" >&2
echo "" >&2
echo "Found $total_errors TypeScript error(s). Here are the details:" >&2
echo "" >&2
# Show all errors for minor count
cat "$cache_dir/last-errors.txt" | sed 's/^/ /' >&2
echo "" >&2
echo "Please fix these errors directly in the affected files." >&2
# Exit with status 2 to send feedback to Claude for any errors
exit 2
fi
else
# Clean up session cache on success
rm -rf "$cache_dir"
exit 0
fi
================================================
FILE: .claude/hooks/trigger-build-resolver.sh
================================================
#!/bin/bash
echo "Hook triggered at $(date)" >> /tmp/claude-hook-debug.log
echo "Args: $@" >> /tmp/claude-hook-debug.log
echo "Stdin:" >> /tmp/claude-hook-debug.log
cat >> /tmp/claude-hook-debug.log
# Add detailed debugging
echo "=== DEBUG SECTION ===" >> /tmp/claude-hook-debug.log
echo "CLAUDE_PROJECT_DIR: $CLAUDE_PROJECT_DIR" >> /tmp/claude-hook-debug.log
echo "Current working directory: $(pwd)" >> /tmp/claude-hook-debug.log
# Define the service directories to check
services_dirs=("email" "exports" "form" "frontend" "projects" "uploads" "users" "utilities" "events" "database")
services_with_changes=()
# Check each service directory for git changes
for service in "${services_dirs[@]}"; do
service_path="$CLAUDE_PROJECT_DIR/$service"
echo "Checking service: $service at $service_path" >> /tmp/claude-hook-debug.log
# Check if directory exists and is a git repo
if [ -d "$service_path" ] && [ -d "$service_path/.git" ]; then
echo " -> Is a git repository" >> /tmp/claude-hook-debug.log
# Check for changes in this specific repo
cd "$service_path"
git_status=$(git status --porcelain 2>/dev/null)
if [ -n "$git_status" ]; then
echo " -> Has changes:" >> /tmp/claude-hook-debug.log
echo "$git_status" | sed 's/^/ /' >> /tmp/claude-hook-debug.log
services_with_changes+=("$service")
else
echo " -> No changes" >> /tmp/claude-hook-debug.log
fi
else
echo " -> Not a git repository or doesn't exist" >> /tmp/claude-hook-debug.log
fi
done
# Return to original directory
cd "$CLAUDE_PROJECT_DIR"
echo "Services with changes: ${services_with_changes[@]}" >> /tmp/claude-hook-debug.log
if [[ ${#services_with_changes[@]} -gt 0 ]]; then
services_list=$(IFS=', '; echo "${services_with_changes[*]}")
echo "Changes detected in: $services_list — triggering build-error-resolver..." >> /tmp/claude-hook-debug.log
echo "Changes detected in: $services_list — triggering build-error-resolver..." >&2
# Use the correct Claude CLI syntax - try different options
echo "Attempting to run claude with sub-agent..." >> /tmp/claude-hook-debug.log
# Try different possible syntaxes for sub-agents
if command -v claude >/dev/null 2>&1; then
# Option 1: Try direct agent invocation
claude --agent build-error-resolver <<EOF 2>> /tmp/claude-hook-debug.log
Build and fix errors in these specific services only: ${services_list}
Focus on these services in the monorepo structure. Each service has its own build process.
EOF
# If that fails, try alternative syntax
if [ $? -ne 0 ]; then
echo "First attempt failed, trying alternative syntax..." >> /tmp/claude-hook-debug.log
claude chat "Use the build-error-resolver agent to build and fix errors in: ${services_list}" 2>> /tmp/claude-hook-debug.log
fi
else
echo "Claude CLI not found in PATH" >> /tmp/claude-hook-debug.log
fi
echo "Claude command completed with exit code: $?" >> /tmp/claude-hook-debug.log
else
echo "No services with changes detected — skipping build-error-resolver." >> /tmp/claude-hook-debug.log
echo "No services with changes detected — skipping build-error-resolver." >&2
fi
echo "=== END DEBUG SECTION ===" >> /tmp/claude-hook-debug.log
exit 0
================================================
FILE: .claude/hooks/tsc-check.sh
================================================
#!/bin/bash
# TSC Hook with Visible Output
# Uses stderr for visibility in Claude Code main interface
CLAUDE_PROJECT_DIR="${CLAUDE_PROJECT_DIR:-$HOME/project}"
HOOK_INPUT=$(cat)
SESSION_ID="${session_id:-default}"
CACHE_DIR="$HOME/.claude/tsc-cache/$SESSION_ID"
# Create cache directory
mkdir -p "$CACHE_DIR"
# Extract tool name and input
TOOL_NAME=$(echo "$HOOK_INPUT" | jq -r '.tool_name // ""')
TOOL_INPUT=$(echo "$HOOK_INPUT" | jq -r '.tool_input // {}')
# Function to get repo for a file
get_repo_for_file() {
local file_path="$1"
local relative_path="${file_path#$CLAUDE_PROJECT_DIR/}"
if [[ "$relative_path" =~ ^([^/]+)/ ]]; then
local repo="${BASH_REMATCH[1]}"
case "$repo" in
email|exports|form|frontend|projects|uploads|users|utilities|events|database)
echo "$repo"
return 0
;;
esac
fi
echo ""
return 1
}
# Function to detect the correct TSC command for a repo
get_tsc_command() {
local repo_path="$1"
cd "$repo_path" 2>/dev/null || return 1
if [ -f "tsconfig.app.json" ]; then
echo "npx tsc --project tsconfig.app.json --noEmit"
elif [ -f "tsconfig.build.json" ]; then
echo "npx tsc --project tsconfig.build.json --noEmit"
elif [ -f "tsconfig.json" ]; then
if grep -q '"references"' tsconfig.json 2>/dev/null; then
if [ -f "tsconfig.app.json" ]; then
echo "npx tsc --project tsconfig.app.json --noEmit"
elif [ -f "tsconfig.src.json" ]; then
echo "npx tsc --project tsconfig.src.json --noEmit"
else
echo "npx tsc --build --noEmit"
fi
else
echo "npx tsc --noEmit"
fi
else
echo "npx tsc --noEmit"
fi
}
# Function to run TSC check
run_tsc_check() {
local repo="$1"
local repo_path="$CLAUDE_PROJECT_DIR/$repo"
local cache_file="$CACHE_DIR/$repo-tsc-cmd.cache"
cd "$repo_path" 2>/dev/null || return 1
# Get or cache the TSC command for this repo
local tsc_cmd
if [ -f "$cache_file" ] && [ -z "$FORCE_DETECT" ]; then
tsc_cmd=$(cat "$cache_file")
else
tsc_cmd=$(get_tsc_command "$repo_path")
echo "$tsc_cmd" > "$cache_file"
fi
eval "$tsc_cmd" 2>&1
}
# Only process file modification tools
case "$TOOL_NAME" in
Write|Edit|MultiEdit)
# Extract file paths
if [ "$TOOL_NAME" = "MultiEdit" ]; then
FILE_PATHS=$(echo "$TOOL_INPUT" | jq -r '.edits[].file_path // empty')
else
FILE_PATHS=$(echo "$TOOL_INPUT" | jq -r '.file_path // empty')
fi
# Collect repos that need checking (only for TS/JS files)
REPOS_TO_CHECK=$(echo "$FILE_PATHS" | grep -E '\.(ts|tsx|js|jsx)$' | while read -r file_path; do
if [ -n "$file_path" ]; then
repo=$(get_repo_for_file "$file_path")
[ -n "$repo" ] && echo "$repo"
fi
done | sort -u | tr '\n' ' ')
# Trim whitespace
REPOS_TO_CHECK=$(echo "$REPOS_TO_CHECK" | xargs)
if [ -n "$REPOS_TO_CHECK" ]; then
ERROR_COUNT=0
ERROR_OUTPUT=""
FAILED_REPOS=""
# Output to stderr for visibility
echo "⚡ TypeScript check on: $REPOS_TO_CHECK" >&2
for repo in $REPOS_TO_CHECK; do
echo -n " Checking $repo... " >&2
# Run the check and capture output
CHECK_OUTPUT=$(run_tsc_check "$repo" 2>&1)
CHECK_EXIT_CODE=$?
# Check for TypeScript errors in output
if [ $CHECK_EXIT_CODE -ne 0 ] || echo "$CHECK_OUTPUT" | grep -q "error TS"; then
echo "❌ Errors found" >&2
ERROR_COUNT=$((ERROR_COUNT + 1))
FAILED_REPOS="$FAILED_REPOS $repo"
ERROR_OUTPUT="${ERROR_OUTPUT}
=== Errors in $repo ===
$CHECK_OUTPUT"
else
echo "✅ OK" >&2
fi
done
# If errors were found, show them and save for agent
if [ $ERROR_COUNT -gt 0 ]; then
# Save error information for the agent
echo "$ERROR_OUTPUT" > "$CACHE_DIR/last-errors.txt"
echo "$FAILED_REPOS" > "$CACHE_DIR/affected-repos.txt"
# Save the TSC commands used for each repo
echo "# TSC Commands by Repo" > "$CACHE_DIR/tsc-commands.txt"
for repo in $FAILED_REPOS; do
cmd=$(cat "$CACHE_DIR/$repo-tsc-cmd.cache" 2>/dev/null || echo "npx tsc --noEmit")
echo "$repo: $cmd" >> "$CACHE_DIR/tsc-commands.txt"
done
# Output to stderr for visibility
{
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🚨 TypeScript errors found in $ERROR_COUNT repo(s): $FAILED_REPOS"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "👉 IMPORTANT: Use the auto-error-resolver agent to fix the errors"
echo ""
echo "WE DO NOT LEAVE A MESS BEHIND"
echo "Error Preview:"
echo "$ERROR_OUTPUT" | grep "error TS" | head -10
echo ""
if [ $(echo "$ERROR_OUTPUT" | grep -c "error TS") -gt 10 ]; then
echo "... and $(($(echo "$ERROR_OUTPUT" | grep -c "error TS") - 10)) more errors"
fi
} >&2
# Exit with code 1 to make stderr visible
exit 1
fi
fi
;;
esac
# Cleanup old cache directories (older than 7 days)
find "$HOME/.claude/tsc-cache" -maxdepth 1 -type d -mtime +7 -exec rm -rf {} \; 2>/dev/null || true
exit 0
================================================
FILE: .claude/hooks/tsconfig.json
================================================
{
"compilerOptions": {
"target": "ES2022",
"module": "NodeNext",
"moduleResolution": "NodeNext",
"lib": ["ES2022"],
"outDir": "./dist",
"rootDir": ".",
"strict": true,
"esModuleInterop": true,
"skipLibCheck": true,
"forceConsistentCasingInFileNames": true,
"resolveJsonModule": true,
"allowSyntheticDefaultImports": true,
"types": ["node"]
},
"include": ["*.ts"],
"exclude": ["node_modules", "dist"]
}
================================================
FILE: .claude/settings.json
================================================
{
"enableAllProjectMcpServers": true,
"enabledMcpjsonServers": [
"mysql",
"sequential-thinking",
"playwright"
],
"permissions": {
"allow": [
"Edit:*",
"Write:*",
"MultiEdit:*",
"NotebookEdit:*",
"Bash:*"
],
"defaultMode": "acceptEdits"
},
"hooks": {
"UserPromptSubmit": [
{
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/skill-activation-prompt.sh"
}
]
}
],
"PostToolUse": [
{
"matcher": "Edit|MultiEdit|Write",
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/post-tool-use-tracker.sh"
}
]
}
],
"Stop": [
{
"hooks": [
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/tsc-check.sh"
},
{
"type": "command",
"command": "$CLAUDE_PROJECT_DIR/.claude/hooks/trigger-build-resolver.sh"
}
]
}
]
}
}
================================================
FILE: .claude/settings.local.json
================================================
{
"permissions": {
"allow": [
"Bash(for file in /root/git/claude-code-infrastructure-showcase/.claude/skills/frontend-dev-guidelines/resources/*.md)",
"Bash(done)"
],
"deny": [],
"ask": []
}
}
================================================
FILE: .claude/skills/README.md
================================================
# Skills
Production-tested skills for Claude Code that auto-activate based on context.
---
## What Are Skills?
Skills are modular knowledge bases that Claude loads when needed. They provide:
- Domain-specific guidelines
- Best practices
- Code examples
- Anti-patterns to avoid
**Problem:** Skills don't activate automatically by default.
**Solution:** This showcase includes the hooks + configuration to make them activate.
---
## Available Skills
### skill-developer (Meta-Skill)
**Purpose:** Creating and managing Claude Code skills
**Files:** 7 resource files (426 lines total)
**Use when:**
- Creating new skills
- Understanding skill structure
- Working with skill-rules.json
- Debugging skill activation
**Customization:** ✅ None - copy as-is
**[View Skill →](skill-developer/)**
---
### backend-dev-guidelines
**Purpose:** Node.js/Express/TypeScript development patterns
**Files:** 12 resource files (304 lines main + resources)
**Covers:**
- Layered architecture (Routes → Controllers → Services → Repositories)
- BaseController pattern
- Prisma database access
- Sentry error tracking
- Zod validation
- UnifiedConfig pattern
- Dependency injection
- Testing strategies
**Use when:**
- Creating/modifying API routes
- Building controllers or services
- Database operations with Prisma
- Setting up error tracking
**Customization:** ⚠️ Update `pathPatterns` in skill-rules.json to match your backend directories
**Example pathPatterns:**
```json
{
"pathPatterns": [
"src/api/**/*.ts", // Single app with src/api
"backend/**/*.ts", // Backend directory
"services/*/src/**/*.ts" // Multi-service monorepo
]
}
```
**[View Skill →](backend-dev-guidelines/)**
---
### frontend-dev-guidelines
**Purpose:** React/TypeScript/MUI v7 development patterns
**Files:** 11 resource files (398 lines main + resources)
**Covers:**
- Modern React patterns (Suspense, lazy loading)
- useSuspenseQuery for data fetching
- MUI v7 styling (Grid with `size={{}}` prop)
- TanStack Router
- File organization (features/ pattern)
- Performance optimization
- TypeScript best practices
**Use when:**
- Creating React components
- Fetching data with TanStack Query
- Styling with MUI v7
- Setting up routing
**Customization:** ⚠️ Update `pathPatterns` + verify you use React/MUI
**Example pathPatterns:**
```json
{
"pathPatterns": [
"src/**/*.tsx", // Single React app
"frontend/src/**/*.tsx", // Frontend directory
"apps/web/**/*.tsx" // Monorepo web app
]
}
```
**Note:** This skill is configured as a **guardrail** (enforcement: "block") to prevent MUI v6→v7 incompatibilities.
**[View Skill →](frontend-dev-guidelines/)**
---
### route-tester
**Purpose:** Testing authenticated API routes with JWT cookie auth
**Files:** 1 main file (389 lines)
**Covers:**
- JWT cookie-based authentication testing
- test-auth-route.js script patterns
- cURL with cookie authentication
- Debugging auth issues
- Testing POST/PUT/DELETE operations
**Use when:**
- Testing API endpoints
- Debugging authentication
- Validating route functionality
**Customization:** ⚠️ Requires JWT cookie auth setup
**Ask first:** "Do you use JWT cookie-based authentication?"
- If YES: Copy and customize service URLs
- If NO: Skip or adapt for your auth method
**[View Skill →](route-tester/)**
---
### error-tracking
**Purpose:** Sentry error tracking and monitoring patterns
**Files:** 1 main file (~250 lines)
**Covers:**
- Sentry v8 initialization
- Error capture patterns
- Breadcrumbs and user context
- Performance monitoring
- Integration with Express and React
**Use when:**
- Setting up error tracking
- Capturing exceptions
- Adding error context
- Debugging production issues
**Customization:** ⚠️ Update `pathPatterns` for your backend
**[View Skill →](error-tracking/)**
---
## How to Add a Skill to Your Project
### Quick Integration
**For Claude Code:**
```
User: "Add the backend-dev-guidelines skill to my project"
Claude should:
1. Ask about project structure
2. Copy skill directory
3. Update skill-rules.json with their paths
4. Verify integration
```
See [CLAUDE_INTEGRATION_GUIDE.md](../../CLAUDE_INTEGRATION_GUIDE.md) for complete instructions.
### Manual Integration
**Step 1: Copy the skill directory**
```bash
cp -r claude-code-infrastructure-showcase/.claude/skills/backend-dev-guidelines \\
your-project/.claude/skills/
```
**Step 2: Update skill-rules.json**
If you don't have one, create it:
```bash
cp claude-code-infrastructure-showcase/.claude/skills/skill-rules.json \\
your-project/.claude/skills/
```
Then customize the `pathPatterns` for your project:
```json
{
"skills": {
"backend-dev-guidelines": {
"fileTriggers": {
"pathPatterns": [
"YOUR_BACKEND_PATH/**/*.ts" // ← Update this!
]
}
}
}
}
```
**Step 3: Test**
- Edit a file in your backend directory
- The skill should activate automatically
---
## skill-rules.json Configuration
### What It Does
Defines when skills should activate based on:
- **Keywords** in user prompts ("backend", "API", "route")
- **Intent patterns** (regex matching user intent)
- **File path patterns** (editing backend files)
- **Content patterns** (code contains Prisma queries)
### Configuration Format
```json
{
"skill-name": {
"type": "domain" | "guardrail",
"enforcement": "suggest" | "block",
"priority": "high" | "medium" | "low",
"promptTriggers": {
"keywords": ["list", "of", "keywords"],
"intentPatterns": ["regex patterns"]
},
"fileTriggers": {
"pathPatterns": ["path/to/files/**/*.ts"],
"contentPatterns": ["import.*Prisma"]
}
}
}
```
### Enforcement Levels
- **suggest**: Skill appears as suggestion, doesn't block
- **block**: Must use skill before proceeding (guardrail)
**Use "block" for:**
- Preventing breaking changes (MUI v6→v7)
- Critical database operations
- Security-sensitive code
**Use "suggest" for:**
- General best practices
- Domain guidance
- Code organization
---
## Creating Your Own Skills
See the **skill-developer** skill for complete guide on:
- Skill YAML frontmatter structure
- Resource file organization
- Trigger pattern design
- Testing skill activation
**Quick template:**
```markdown
---
name: my-skill
description: What this skill does
---
# My Skill Title
## Purpose
[Why this skill exists]
## When to Use This Skill
[Auto-activation scenarios]
## Quick Reference
[Key patterns and examples]
## Resource Files
- [topic-1.md](resources/topic-1.md)
- [topic-2.md](resources/topic-2.md)
```
---
## Troubleshooting
### Skill isn't activating
**Check:**
1. Is skill directory in `.claude/skills/`?
2. Is skill listed in `skill-rules.json`?
3. Do `pathPatterns` match your files?
4. Are hooks installed and working?
5. Is settings.json configured correctly?
**Debug:**
```bash
# Check skill exists
ls -la .claude/skills/
# Validate skill-rules.json
cat .claude/skills/skill-rules.json | jq .
# Check hooks are executable
ls -la .claude/hooks/*.sh
# Test hook manually
./.claude/hooks/skill-activation-prompt.sh
```
### Skill activates too often
Update skill-rules.json:
- Make keywords more specific
- Narrow `pathPatterns`
- Increase specificity of `intentPatterns`
### Skill never activates
Update skill-rules.json:
- Add more keywords
- Broaden `pathPatterns`
- Add more `intentPatterns`
---
## For Claude Code
**When integrating a skill for a user:**
1. **Read [CLAUDE_INTEGRATION_GUIDE.md](../../CLAUDE_INTEGRATION_GUIDE.md)** first
2. Ask about their project structure
3. Customize `pathPatterns` in skill-rules.json
4. Verify the skill file has no hardcoded paths
5. Test activation after integration
**Common mistakes:**
- Keeping example paths (blog-api/, frontend/)
- Not asking about monorepo vs single-app
- Copying skill-rules.json without customization
---
## Next Steps
1. **Start simple:** Add one skill that matches your work
2. **Verify activation:** Edit a relevant file, skill should suggest
3. **Add more:** Once first skill works, add others
4. **Customize:** Adjust triggers based on your workflow
**Questions?** See [CLAUDE_INTEGRATION_GUIDE.md](../../CLAUDE_INTEGRATION_GUIDE.md) for comprehensive integration instructions.
================================================
FILE: .claude/skills/backend-dev-guidelines/SKILL.md
================================================
---
name: backend-dev-guidelines
description: Comprehensive backend development guide for Node.js/Express/TypeScript microservices. Use when creating routes, controllers, services, repositories, middleware, or working with Express APIs, Prisma database access, Sentry error tracking, Zod validation, unifiedConfig, dependency injection, or async patterns. Covers layered architecture (routes → controllers → services → repositories), BaseController pattern, error handling, performance monitoring, testing strategies, and migration from legacy patterns.
---
# Backend Development Guidelines
## Purpose
Establish consistency and best practices across backend microservices (blog-api, auth-service, notifications-service) using modern Node.js/Express/TypeScript patterns.
## When to Use This Skill
Automatically activates when working on:
- Creating or modifying routes, endpoints, APIs
- Building controllers, services, repositories
- Implementing middleware (auth, validation, error handling)
- Database operations with Prisma
- Error tracking with Sentry
- Input validation with Zod
- Configuration management
- Backend testing and refactoring
---
## Quick Start
### New Backend Feature Checklist
- [ ] **Route**: Clean definition, delegate to controller
- [ ] **Controller**: Extend BaseController
- [ ] **Service**: Business logic with DI
- [ ] **Repository**: Database access (if complex)
- [ ] **Validation**: Zod schema
- [ ] **Sentry**: Error tracking
- [ ] **Tests**: Unit + integration tests
- [ ] **Config**: Use unifiedConfig
### New Microservice Checklist
- [ ] Directory structure (see [architecture-overview.md](architecture-overview.md))
- [ ] instrument.ts for Sentry
- [ ] unifiedConfig setup
- [ ] BaseController class
- [ ] Middleware stack
- [ ] Error boundary
- [ ] Testing framework
---
## Architecture Overview
### Layered Architecture
```
HTTP Request
↓
Routes (routing only)
↓
Controllers (request handling)
↓
Services (business logic)
↓
Repositories (data access)
↓
Database (Prisma)
```
**Key Principle:** Each layer has ONE responsibility.
See [architecture-overview.md](architecture-overview.md) for complete details.
---
## Directory Structure
```
service/src/
├── config/ # UnifiedConfig
├── controllers/ # Request handlers
├── services/ # Business logic
├── repositories/ # Data access
├── routes/ # Route definitions
├── middleware/ # Express middleware
├── types/ # TypeScript types
├── validators/ # Zod schemas
├── utils/ # Utilities
├── tests/ # Tests
├── instrument.ts # Sentry (FIRST IMPORT)
├── app.ts # Express setup
└── server.ts # HTTP server
```
**Naming Conventions:**
- Controllers: `PascalCase` - `UserController.ts`
- Services: `camelCase` - `userService.ts`
- Routes: `camelCase + Routes` - `userRoutes.ts`
- Repositories: `PascalCase + Repository` - `UserRepository.ts`
---
## Core Principles (7 Key Rules)
### 1. Routes Only Route, Controllers Control
```typescript
// ❌ NEVER: Business logic in routes
router.post('/submit', async (req, res) => {
// 200 lines of logic
});
// ✅ ALWAYS: Delegate to controller
router.post('/submit', (req, res) => controller.submit(req, res));
```
### 2. All Controllers Extend BaseController
```typescript
export class UserController extends BaseController {
async getUser(req: Request, res: Response): Promise<void> {
try {
const user = await this.userService.findById(req.params.id);
this.handleSuccess(res, user);
} catch (error) {
this.handleError(error, res, 'getUser');
}
}
}
```
### 3. All Errors to Sentry
```typescript
try {
await operation();
} catch (error) {
Sentry.captureException(error);
throw error;
}
```
### 4. Use unifiedConfig, NEVER process.env
```typescript
// ❌ NEVER
const timeout = process.env.TIMEOUT_MS;
// ✅ ALWAYS
import { config } from './config/unifiedConfig';
const timeout = config.timeouts.default;
```
### 5. Validate All Input with Zod
```typescript
const schema = z.object({ email: z.string().email() });
const validated = schema.parse(req.body);
```
### 6. Use Repository Pattern for Data Access
```typescript
// Service → Repository → Database
const users = await userRepository.findActive();
```
### 7. Comprehensive Testing Required
```typescript
describe('UserService', () => {
it('should create user', async () => {
expect(user).toBeDefined();
});
});
```
---
## Common Imports
```typescript
// Express
import express, { Request, Response, NextFunction, Router } from 'express';
// Validation
import { z } from 'zod';
// Database
import { PrismaClient } from '@prisma/client';
import type { Prisma } from '@prisma/client';
// Sentry
import * as Sentry from '@sentry/node';
// Config
import { config } from './config/unifiedConfig';
// Middleware
import { SSOMiddlewareClient } from './middleware/SSOMiddleware';
import { asyncErrorWrapper } from './middleware/errorBoundary';
```
---
## Quick Reference
### HTTP Status Codes
| Code | Use Case |
|------|----------|
| 200 | Success |
| 201 | Created |
| 400 | Bad Request |
| 401 | Unauthorized |
| 403 | Forbidden |
| 404 | Not Found |
| 500 | Server Error |
### Service Templates
**Blog API** (✅ Mature) - Use as template for REST APIs
**Auth Service** (✅ Mature) - Use as template for authentication patterns
---
## Anti-Patterns to Avoid
❌ Business logic in routes
❌ Direct process.env usage
❌ Missing error handling
❌ No input validation
❌ Direct Prisma everywhere
❌ console.log instead of Sentry
---
## Navigation Guide
| Need to... | Read this |
|------------|-----------|
| Understand architecture | [architecture-overview.md](architecture-overview.md) |
| Create routes/controllers | [routing-and-controllers.md](routing-and-controllers.md) |
| Organize business logic | [services-and-repositories.md](services-and-repositories.md) |
| Validate input | [validation-patterns.md](validation-patterns.md) |
| Add error tracking | [sentry-and-monitoring.md](sentry-and-monitoring.md) |
| Create middleware | [middleware-guide.md](middleware-guide.md) |
| Database access | [database-patterns.md](database-patterns.md) |
| Manage config | [configuration.md](configuration.md) |
| Handle async/errors | [async-and-errors.md](async-and-errors.md) |
| Write tests | [testing-guide.md](testing-guide.md) |
| See examples | [complete-examples.md](complete-examples.md) |
---
## Resource Files
### [architecture-overview.md](architecture-overview.md)
Layered architecture, request lifecycle, separation of concerns
### [routing-and-controllers.md](routing-and-controllers.md)
Route definitions, BaseController, error handling, examples
### [services-and-repositories.md](services-and-repositories.md)
Service patterns, DI, repository pattern, caching
### [validation-patterns.md](validation-patterns.md)
Zod schemas, validation, DTO pattern
### [sentry-and-monitoring.md](sentry-and-monitoring.md)
Sentry init, error capture, performance monitoring
### [middleware-guide.md](middleware-guide.md)
Auth, audit, error boundaries, AsyncLocalStorage
### [database-patterns.md](database-patterns.md)
PrismaService, repositories, transactions, optimization
### [configuration.md](configuration.md)
UnifiedConfig, environment configs, secrets
### [async-and-errors.md](async-and-errors.md)
Async patterns, custom errors, asyncErrorWrapper
### [testing-guide.md](testing-guide.md)
Unit/integration tests, mocking, coverage
### [complete-examples.md](complete-examples.md)
Full examples, refactoring guide
---
## Related Skills
- **database-verification** - Verify column names and schema consistency
- **error-tracking** - Sentry integration patterns
- **skill-developer** - Meta-skill for creating and managing skills
---
**Skill Status**: COMPLETE ✅
**Line Count**: < 500 ✅
**Progressive Disclosure**: 11 resource files ✅
================================================
FILE: .claude/skills/backend-dev-guidelines/resources/architecture-overview.md
================================================
# Architecture Overview - Backend Services
Complete guide to the layered architecture pattern used in backend microservices.
## Table of Contents
- [Layered Architecture Pattern](#layered-architecture-pattern)
- [Request Lifecycle](#request-lifecycle)
- [Service Comparison](#service-comparison)
- [Directory Structure Rationale](#directory-structure-rationale)
- [Module Organization](#module-organization)
- [Separation of Concerns](#separation-of-concerns)
---
## Layered Architecture Pattern
### The Four Layers
```
┌─────────────────────────────────────┐
│ HTTP Request │
└───────────────┬─────────────────────┘
↓
┌─────────────────────────────────────┐
│ Layer 1: ROUTES │
│ - Route definitions only │
│ - Middleware registration │
│ - Delegate to controllers │
│ - NO business logic │
└───────────────┬─────────────────────┘
↓
┌─────────────────────────────────────┐
│ Layer 2: CONTROLLERS │
│ - Request/response handling │
│ - Input validation │
│ - Call services │
│ - Format responses │
│ - Error handling │
└───────────────┬─────────────────────┘
↓
┌─────────────────────────────────────┐
│ Layer 3: SERVICES │
│ - Business logic │
│ - Orchestration │
│ - Call repositories │
│ - No HTTP knowledge │
└───────────────┬─────────────────────┘
↓
┌─────────────────────────────────────┐
│ Layer 4: REPOSITORIES │
│ - Data access abstraction │
│ - Prisma operations │
│ - Query optimization │
│ - Caching │
└───────────────┬─────────────────────┘
↓
┌─────────────────────────────────────┐
│ Database (MySQL) │
└─────────────────────────────────────┘
```
### Why This Architecture?
**Testability:**
- Each layer can be tested independently
- Easy to mock dependencies
- Clear test boundaries
**Maintainability:**
- Changes isolated to specific layers
- Business logic separate from HTTP concerns
- Easy to locate bugs
**Reusability:**
- Services can be used by routes, cron jobs, scripts
- Repositories hide database implementation
- Business logic not tied to HTTP
**Scalability:**
- Easy to add new endpoints
- Clear patterns to follow
- Consistent structure
---
## Request Lifecycle
### Complete Flow Example
```typescript
1. HTTP POST /api/users
↓
2. Express matches route in userRoutes.ts
↓
3. Middleware chain executes:
- SSOMiddleware.verifyLoginStatus (authentication)
- auditMiddleware (context tracking)
↓
4. Route handler delegates to controller:
router.post('/users', (req, res) => userController.create(req, res))
↓
5. Controller validates and calls service:
- Validate input with Zod
- Call userService.create(data)
- Handle success/error
↓
6. Service executes business logic:
- Check business rules
- Call userRepository.create(data)
- Return result
↓
7. Repository performs database operation:
- PrismaService.main.user.create({ data })
- Handle database errors
- Return created user
↓
8. Response flows back:
Repository → Service → Controller → Express → Client
```
### Middleware Execution Order
**Critical:** Middleware executes in registration order
```typescript
app.use(Sentry.Handlers.requestHandler()); // 1. Sentry tracing (FIRST)
app.use(express.json()); // 2. Body parsing
app.use(express.urlencoded({ extended: true })); // 3. URL encoding
app.use(cookieParser()); // 4. Cookie parsing
app.use(SSOMiddleware.initialize()); // 5. Auth initialization
// ... routes registered here
app.use(auditMiddleware); // 6. Audit (if global)
app.use(errorBoundary); // 7. Error handler (LAST)
app.use(Sentry.Handlers.errorHandler()); // 8. Sentry errors (LAST)
```
**Rule:** Error handlers must be registered AFTER routes!
---
## Service Comparison
### Email Service (Mature Pattern ✅)
**Strengths:**
- Comprehensive BaseController with Sentry integration
- Clean route delegation (no business logic in routes)
- Consistent dependency injection pattern
- Good middleware organization
- Type-safe throughout
- Excellent error handling
**Example Structure:**
```
email/src/
├── controllers/
│ ├── BaseController.ts ✅ Excellent template
│ ├── NotificationController.ts ✅ Extends BaseController
│ └── EmailController.ts ✅ Clean patterns
├── routes/
│ ├── notificationRoutes.ts ✅ Clean delegation
│ └── emailRoutes.ts ✅ No business logic
├── services/
│ ├── NotificationService.ts ✅ Dependency injection
│ └── BatchingService.ts ✅ Clear responsibility
└── middleware/
├── errorBoundary.ts ✅ Comprehensive
└── DevImpersonationSSOMiddleware.ts
```
**Use as template** for new services!
### Form Service (Transitioning ⚠️)
**Strengths:**
- Excellent workflow architecture (event sourcing)
- Good Sentry integration
- Innovative audit middleware (AsyncLocalStorage)
- Comprehensive permission system
**Weaknesses:**
- Some routes have 200+ lines of business logic
- Inconsistent controller naming
- Direct process.env usage (60+ occurrences)
- Minimal repository pattern usage
**Example:**
```
form/src/
├── routes/
│ ├── responseRoutes.ts ❌ Business logic in routes
│ └── proxyRoutes.ts ✅ Good validation pattern
├── controllers/
│ ├── formController.ts ⚠️ Lowercase naming
│ └── UserProfileController.ts ✅ PascalCase naming
├── workflow/ ✅ Excellent architecture!
│ ├── core/
│ │ ├── WorkflowEngineV3.ts ✅ Event sourcing
│ │ └── DryRunWrapper.ts ✅ Innovative
│ └── services/
└── middleware/
└── auditMiddleware.ts ✅ AsyncLocalStorage pattern
```
**Learn from:** workflow/, middleware/auditMiddleware.ts
**Avoid:** responseRoutes.ts, direct process.env
---
## Directory Structure Rationale
### Controllers Directory
**Purpose:** Handle HTTP request/response concerns
**Contents:**
- `BaseController.ts` - Base class with common methods
- `{Feature}Controller.ts` - Feature-specific controllers
**Naming:** PascalCase + Controller
**Responsibilities:**
- Parse request parameters
- Validate input (Zod)
- Call appropriate service methods
- Format responses
- Handle errors (via BaseController)
- Set HTTP status codes
### Services Directory
**Purpose:** Business logic and orchestration
**Contents:**
- `{feature}Service.ts` - Feature business logic
**Naming:** camelCase + Service (or PascalCase + Service)
**Responsibilities:**
- Implement business rules
- Orchestrate multiple repositories
- Transaction management
- Business validations
- No HTTP knowledge (Request/Response types)
### Repositories Directory
**Purpose:** Data access abstraction
**Contents:**
- `{Entity}Repository.ts` - Database operations for entity
**Naming:** PascalCase + Repository
**Responsibilities:**
- Prisma query operations
- Query optimization
- Database error handling
- Caching layer
- Hide Prisma implementation details
**Current Gap:** Only 1 repository exists (WorkflowRepository)
### Routes Directory
**Purpose:** Route registration ONLY
**Contents:**
- `{feature}Routes.ts` - Express router for feature
**Naming:** camelCase + Routes
**Responsibilities:**
- Register routes with Express
- Apply middleware
- Delegate to controllers
- **NO business logic!**
### Middleware Directory
**Purpose:** Cross-cutting concerns
**Contents:**
- Authentication middleware
- Audit middleware
- Error boundaries
- Validation middleware
- Custom middleware
**Naming:** camelCase
**Types:**
- Request processing (before handler)
- Response processing (after handler)
- Error handling (error boundary)
### Config Directory
**Purpose:** Configuration management
**Contents:**
- `unifiedConfig.ts` - Type-safe configuration
- Environment-specific configs
**Pattern:** Single source of truth
### Types Directory
**Purpose:** TypeScript type definitions
**Contents:**
- `{feature}.types.ts` - Feature-specific types
- DTOs (Data Transfer Objects)
- Request/Response types
- Domain models
---
## Module Organization
### Feature-Based Organization
For large features, use subdirectories:
```
src/workflow/
├── core/ # Core engine
├── services/ # Workflow-specific services
├── actions/ # System actions
├── models/ # Domain models
├── validators/ # Workflow validation
└── utils/ # Workflow utilities
```
**When to use:**
- Feature has 5+ files
- Clear sub-domains exist
- Logical grouping improves clarity
### Flat Organization
For simple features:
```
src/
├── controllers/UserController.ts
├── services/userService.ts
├── routes/userRoutes.ts
└── repositories/UserRepository.ts
```
**When to use:**
- Simple features (< 5 files)
- No clear sub-domains
- Flat structure is clearer
---
## Separation of Concerns
### What Goes Where
**Routes Layer:**
- ✅ Route definitions
- ✅ Middleware registration
- ✅ Controller delegation
- ❌ Business logic
- ❌ Database operations
- ❌ Validation logic (should be in validator or controller)
**Controllers Layer:**
- ✅ Request parsing (params, body, query)
- ✅ Input validation (Zod)
- ✅ Service calls
- ✅ Response formatting
- ✅ Error handling
- ❌ Business logic
- ❌ Database operations
**Services Layer:**
- ✅ Business logic
- ✅ Business rules enforcement
- ✅ Orchestration (multiple repos)
- ✅ Transaction management
- ❌ HTTP concerns (Request/Response)
- ❌ Direct Prisma calls (use repositories)
**Repositories Layer:**
- ✅ Prisma operations
- ✅ Query construction
- ✅ Database error handling
- ✅ Caching
- ❌ Business logic
- ❌ HTTP concerns
### Example: User Creation
**Route:**
```typescript
router.post('/users',
SSOMiddleware.verifyLoginStatus,
auditMiddleware,
(req, res) => userController.create(req, res)
);
```
**Controller:**
```typescript
async create(req: Request, res: Response): Promise<void> {
try {
const validated = createUserSchema.parse(req.body);
const user = await this.userService.create(validated);
this.handleSuccess(res, user, 'User created');
} catch (error) {
this.handleError(error, res, 'create');
}
}
```
**Service:**
```typescript
async create(data: CreateUserDTO): Promise<User> {
// Business rule: check if email already exists
const existing = await this.userRepository.findByEmail(data.email);
if (existing) throw new ConflictError('Email already exists');
// Create user
return await this.userRepository.create(data);
}
```
**Repository:**
```typescript
async create(data: CreateUserDTO): Promise<User> {
return PrismaService.main.user.create({ data });
}
async findByEmail(email: string): Promise<User | null> {
return PrismaService.main.user.findUnique({ where: { email } });
}
```
**Notice:** Each layer has clear, distinct responsibilities!
---
**Related Files:**
- [SKILL.md](SKILL.md) - Main guide
- [routing-and-controllers.md](routing-and-controllers.md) - Routes and controllers details
- [services-and-repositories.md](services-and-repositories.md) - Service and repository patterns
================================================
FILE: .claude/skills/backend-dev-guidelines/resources/async-and-errors.md
================================================
# Async Patterns and Error Handling
Complete guide to async/await patterns and custom error handling.
## Table of Contents
- [Async/Await Best Practices](#asyncawait-best-practices)
- [Promise Error Handling](#promise-error-handling)
- [Custom Error Types](#custom-error-types)
- [asyncErrorWrapper Utility](#asyncerrorwrapper-utility)
- [Error Propagation](#error-propagation)
- [Common Async Pitfalls](#common-async-pitfalls)
---
## Async/Await Best Practices
### Always Use Try-Catch
```typescript
// ❌ NEVER: Unhandled async errors
async function fetchData() {
const data = await database.query(); // If throws, unhandled!
return data;
}
// ✅ ALWAYS: Wrap in try-catch
async function fetchData() {
try {
const data = await database.query();
return data;
} catch (error) {
Sentry.captureException(error);
throw error;
}
}
```
### Avoid .then() Chains
```typescript
// ❌ AVOID: Promise chains
function processData() {
return fetchData()
.then(data => transform(data))
.then(transformed => save(transformed))
.catch(error => {
console.error(error);
});
}
// ✅ PREFER: Async/await
async function processData() {
try {
const data = await fetchData();
const transformed = await transform(data);
return await save(transformed);
} catch (error) {
Sentry.captureException(error);
throw error;
}
}
```
---
## Promise Error Handling
### Parallel Operations
```typescript
// ✅ Handle errors in Promise.all
try {
const [users, profiles, settings] = await Promise.all([
userService.getAll(),
profileService.getAll(),
settingsService.getAll(),
]);
} catch (error) {
// One failure fails all
Sentry.captureException(error);
throw error;
}
// ✅ Handle errors individually with Promise.allSettled
const results = await Promise.allSettled([
userService.getAll(),
profileService.getAll(),
settingsService.getAll(),
]);
results.forEach((result, index) => {
if (result.status === 'rejected') {
Sentry.captureException(result.reason, {
tags: { operation: ['users', 'profiles', 'settings'][index] }
});
}
});
```
---
## Custom Error Types
### Define Custom Errors
```typescript
// Base error class
export class AppError extends Error {
constructor(
message: string,
public code: string,
public statusCode: number,
public isOperational: boolean = true
) {
super(message);
this.name = this.constructor.name;
Error.captureStackTrace(this, this.constructor);
}
}
// Specific error types
export class ValidationError extends AppError {
constructor(message: string) {
super(message, 'VALIDATION_ERROR', 400);
}
}
export class NotFoundError extends AppError {
constructor(message: string) {
super(message, 'NOT_FOUND', 404);
}
}
export class ForbiddenError extends AppError {
constructor(message: string) {
super(message, 'FORBIDDEN', 403);
}
}
export class ConflictError extends AppError {
constructor(message: string) {
super(message, 'CONFLICT', 409);
}
}
```
### Usage
```typescript
// Throw specific errors
if (!user) {
throw new NotFoundError('User not found');
}
if (user.age < 18) {
throw new ValidationError('User must be 18+');
}
// Error boundary handles them
function errorBoundary(error, req, res, next) {
if (error instanceof AppError) {
return res.status(error.statusCode).json({
error: {
message: error.message,
code: error.code
}
});
}
// Unknown error
Sentry.captureException(error);
res.status(500).json({ error: { message: 'Internal server error' } });
}
```
---
## asyncErrorWrapper Utility
### Pattern
```typescript
export function asyncErrorWrapper(
handler: (req: Request, res: Response, next: NextFunction) => Promise<any>
) {
return async (req: Request, res: Response, next: NextFunction) => {
try {
await handler(req, res, next);
} catch (error) {
next(error);
}
};
}
```
### Usage
```typescript
// Without wrapper - error can be unhandled
router.get('/users', async (req, res) => {
const users = await userService.getAll(); // If throws, unhandled!
res.json(users);
});
// With wrapper - errors caught
router.get('/users', asyncErrorWrapper(async (req, res) => {
const users = await userService.getAll();
res.json(users);
}));
```
---
## Error Propagation
### Proper Error Chains
```typescript
// ✅ Propagate errors up the stack
async function repositoryMethod() {
try {
return await PrismaService.main.user.findMany();
} catch (error) {
Sentry.captureException(error, { tags: { layer: 'repository' } });
throw error; // Propagate to service
}
}
async function serviceMethod() {
try {
return await repositoryMethod();
} catch (error) {
Sentry.captureException(error, { tags: { layer: 'service' } });
throw error; // Propagate to controller
}
}
async function controllerMethod(req, res) {
try {
const result = await serviceMethod();
res.json(result);
} catch (error) {
this.handleError(error, res, 'controllerMethod'); // Final handler
}
}
```
---
## Common Async Pitfalls
### Fire and Forget (Bad)
```typescript
// ❌ NEVER: Fire and forget
async function processRequest(req, res) {
sendEmail(user.email); // Fires async, errors unhandled!
res.json({ success: true });
}
// ✅ ALWAYS: Await or handle
async function processRequest(req, res) {
try {
await sendEmail(user.email);
res.json({ success: true });
} catch (error) {
Sentry.captureException(error);
res.status(500).json({ error: 'Failed to send email' });
}
}
// ✅ OR: Intentional background task
async function processRequest(req, res) {
sendEmail(user.email).catch(error => {
Sentry.captureException(error);
});
res.json({ success: true });
}
```
### Unhandled Rejections
```typescript
// ✅ Global handler for unhandled rejections
process.on('unhandledRejection', (reason, promise) => {
Sentry.captureException(reason, {
tags: { type: 'unhandled_rejection' }
});
console.error('Unhandled Rejection:', reason);
});
process.on('uncaughtException', (error) => {
Sentry.captureException(error, {
tags: { type: 'uncaught_exception' }
});
console.error('Uncaught Exception:', error);
process.exit(1);
});
```
---
**Related Files:**
- [SKILL.md](SKILL.md)
- [sentry-and-monitoring.md](sentry-and-monitoring.md)
- [complete-examples.md](complete-examples.md)
================================================
FILE: .claude/skills/backend-dev-guidelines/resources/complete-examples.md
================================================
# Complete Examples - Full Working Code
Real-world examples showing complete implementation patterns.
## Table of Contents
- [Complete Controller Example](#complete-controller-example)
- [Complete Service with DI](#complete-service-with-di)
- [Complete Route File](#complete-route-file)
- [Complete Repository](#complete-repository)
- [Refactoring Example: Bad to Good](#refactoring-example-bad-to-good)
- [End-to-End Feature Example](#end-to-end-feature-example)
---
## Complete Controller Example
### UserController (Following All Best Practices)
```typescript
// controllers/UserController.ts
import { Request, Response } from 'express';
import { BaseController } from './BaseController';
import { UserService } from '../services/userService';
import { createUserSchema, updateUserSchema } from '../validators/userSchemas';
import { z } from 'zod';
export class UserController extends BaseController {
private userService: UserService;
constructor() {
super();
this.userService = new UserService();
}
async getUser(req: Request, res: Response): Promise<void> {
try {
this.addBreadcrumb('Fetching user', 'user_controller', {
userId: req.params.id,
});
const user = await this.withTransaction(
'user.get',
'db.query',
() => this.userService.findById(req.params.id)
);
if (!user) {
return this.handleError(
new Error('User not found'),
res,
'getUser',
404
);
}
this.handleSuccess(res, user);
} catch (error) {
this.handleError(error, res, 'getUser');
}
}
async listUsers(req: Request, res: Response): Promise<void> {
try {
const users = await this.userService.getAll();
this.handleSuccess(res, users);
} catch (error) {
this.handleError(error, res, 'listUsers');
}
}
async createUser(req: Request, res: Response): Promise<void> {
try {
// Validate input with Zod
const validated = createUserSchema.parse(req.body);
// Track performance
const user = await this.withTransaction(
'user.create',
'db.mutation',
() => this.userService.create(validated)
);
this.handleSuccess(res, user, 'User created successfully', 201);
} catch (error) {
if (error instanceof z.ZodError) {
return this.handleError(error, res, 'createUser', 400);
}
this.handleError(error, res, 'createUser');
}
}
async updateUser(req: Request, res: Response): Promise<void> {
try {
const validated = updateUserSchema.parse(req.body);
const user = await this.userService.update(
req.params.id,
validated
);
this.handleSuccess(res, user, 'User updated');
} catch (error) {
if (error instanceof z.ZodError) {
return this.handleError(error, res, 'updateUser', 400);
}
this.handleError(error, res, 'updateUser');
}
}
async deleteUser(req: Request, res: Response): Promise<void> {
try {
await this.userService.delete(req.params.id);
this.handleSuccess(res, null, 'User deleted', 204);
} catch (error) {
this.handleError(error, res, 'deleteUser');
}
}
}
```
---
## Complete Service with DI
### UserService
```typescript
// services/userService.ts
import { UserRepository } from '../repositories/UserRepository';
import { ConflictError, NotFoundError, ValidationError } from '../types/errors';
import type { CreateUserDTO, UpdateUserDTO, User } from '../types/user.types';
export class UserService {
private userRepository: UserRepository;
constructor(userRepository?: UserRepository) {
this.userRepository = userRepository || new UserRepository();
}
async findById(id: string): Promise<User | null> {
return await this.userRepository.findById(id);
}
async getAll(): Promise<User[]> {
return await this.userRepository.findActive();
}
async create(data: CreateUserDTO): Promise<User> {
// Business rule: validate age
if (data.age < 18) {
throw new ValidationError('User must be 18 or older');
}
// Business rule: check email uniqueness
const existing = await this.userRepository.findByEmail(data.email);
if (existing) {
throw new ConflictError('Email already in use');
}
// Create user with profile
return await this.userRepository.create({
email: data.email,
profile: {
create: {
firstName: data.firstName,
lastName: data.lastName,
age: data.age,
},
},
});
}
async update(id: string, data: UpdateUserDTO): Promise<User> {
// Check exists
const existing = await this.userRepository.findById(id);
if (!existing) {
throw new NotFoundError('User not found');
}
// Business rule: email uniqueness if changing
if (data.email && data.email !== existing.email) {
const emailTaken = await this.userRepository.findByEmail(data.email);
if (emailTaken) {
throw new ConflictError('Email already in use');
}
}
return await this.userRepository.update(id, data);
}
async delete(id: string): Promise<void> {
const existing = await this.userRepository.findById(id);
if (!existing) {
throw new NotFoundError('User not found');
}
await this.userRepository.delete(id);
}
}
```
---
## Complete Route File
### userRoutes.ts
```typescript
// routes/userRoutes.ts
import { Router } from 'express';
import { UserController } from '../controllers/UserController';
import { SSOMiddlewareClient } from '../middleware/SSOMiddleware';
import { auditMiddleware } from '../middleware/auditMiddleware';
const router = Router();
const controller = new UserController();
// GET /users - List all users
router.get('/',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.listUsers(req, res)
);
// GET /users/:id - Get single user
router.get('/:id',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.getUser(req, res)
);
// POST /users - Create user
router.post('/',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.createUser(req, res)
);
// PUT /users/:id - Update user
router.put('/:id',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.updateUser(req, res)
);
// DELETE /users/:id - Delete user
router.delete('/:id',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.deleteUser(req, res)
);
export default router;
```
---
## Complete Repository
### UserRepository
```typescript
// repositories/UserRepository.ts
import { PrismaService } from '@project-lifecycle-portal/database';
import type { User, Prisma } from '@prisma/client';
export class UserRepository {
async findById(id: string): Promise<User | null> {
return PrismaService.main.user.findUnique({
where: { id },
include: { profile: true },
});
}
async findByEmail(email: string): Promise<User | null> {
return PrismaService.main.user.findUnique({
where: { email },
include: { profile: true },
});
}
async findActive(): Promise<User[]> {
return PrismaService.main.user.findMany({
where: { isActive: true },
include: { profile: true },
orderBy: { createdAt: 'desc' },
});
}
async create(data: Prisma.UserCreateInput): Promise<User> {
return PrismaService.main.user.create({
data,
include: { profile: true },
});
}
async update(id: string, data: Prisma.UserUpdateInput): Promise<User> {
return PrismaService.main.user.update({
where: { id },
data,
include: { profile: true },
});
}
async delete(id: string): Promise<User> {
// Soft delete
return PrismaService.main.user.update({
where: { id },
data: {
isActive: false,
deletedAt: new Date(),
},
});
}
}
```
---
## Refactoring Example: Bad to Good
### BEFORE: Business Logic in Routes ❌
```typescript
// routes/postRoutes.ts (BAD - 200+ lines)
router.post('/posts', async (req, res) => {
try {
const username = res.locals.claims.preferred_username;
const responses = req.body.responses;
const stepInstanceId = req.body.stepInstanceId;
// ❌ Permission check in route
const userId = await userProfileService.getProfileByEmail(username).then(p => p.id);
const canComplete = await permissionService.canCompleteStep(userId, stepInstanceId);
if (!canComplete) {
return res.status(403).json({ error: 'No permission' });
}
// ❌ Business logic in route
const post = await postRepository.create({
title: req.body.title,
content: req.body.content,
authorId: userId
});
// ❌ More business logic...
if (res.locals.isImpersonating) {
impersonationContextStore.storeContext(...);
}
// ... 100+ more lines
res.json({ success: true, data: result });
} catch (e) {
handler.handleException(res, e);
}
});
```
### AFTER: Clean Separation ✅
**1. Clean Route:**
```typescript
// routes/postRoutes.ts
import { PostController } from '../controllers/PostController';
const router = Router();
const controller = new PostController();
// ✅ CLEAN: 8 lines total!
router.post('/',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.createPost(req, res)
);
export default router;
```
**2. Controller:**
```typescript
// controllers/PostController.ts
export class PostController extends BaseController {
private postService: PostService;
constructor() {
super();
this.postService = new PostService();
}
async createPost(req: Request, res: Response): Promise<void> {
try {
const validated = createPostSchema.parse({
...req.body,
});
const result = await this.postService.createPost(
validated,
res.locals.userId
);
this.handleSuccess(res, result, 'Post created successfully');
} catch (error) {
this.handleError(error, res, 'createPost');
}
}
}
```
**3. Service:**
```typescript
// services/postService.ts
export class PostService {
async createPost(
data: CreatePostDTO,
userId: string
): Promise<SubmissionResult> {
// Permission check
const canComplete = await permissionService.canCompleteStep(
userId,
data.stepInstanceId
);
if (!canComplete) {
throw new ForbiddenError('No permission to complete step');
}
// Execute workflow
const engine = await createWorkflowEngine();
const command = new CompleteStepCommand(
data.stepInstanceId,
userId,
data.responses
);
const events = await engine.executeCommand(command);
// Handle impersonation
if (context.isImpersonating) {
await this.handleImpersonation(data.stepInstanceId, context);
}
return { events, success: true };
}
private async handleImpersonation(stepInstanceId: number, context: any) {
impersonationContextStore.storeContext(stepInstanceId, {
originalUserId: context.originalUserId,
effectiveUserId: context.effectiveUserId,
});
}
}
```
**Result:**
- Route: 8 lines (was 200+)
- Controller: 25 lines
- Service: 40 lines
- **Testable, maintainable, reusable!**
---
## End-to-End Feature Example
### Complete User Management Feature
**1. Types:**
```typescript
// types/user.types.ts
export interface User {
id: string;
email: string;
isActive: boolean;
profile?: UserProfile;
}
export interface CreateUserDTO {
email: string;
firstName: string;
lastName: string;
age: number;
}
export interface UpdateUserDTO {
email?: string;
firstName?: string;
lastName?: string;
}
```
**2. Validators:**
```typescript
// validators/userSchemas.ts
import { z } from 'zod';
export const createUserSchema = z.object({
email: z.string().email(),
firstName: z.string().min(1).max(100),
lastName: z.string().min(1).max(100),
age: z.number().int().min(18).max(120),
});
export const updateUserSchema = z.object({
email: z.string().email().optional(),
firstName: z.string().min(1).max(100).optional(),
lastName: z.string().min(1).max(100).optional(),
});
```
**3. Repository:**
```typescript
// repositories/UserRepository.ts
export class UserRepository {
async findById(id: string): Promise<User | null> {
return PrismaService.main.user.findUnique({
where: { id },
include: { profile: true },
});
}
async create(data: Prisma.UserCreateInput): Promise<User> {
return PrismaService.main.user.create({
data,
include: { profile: true },
});
}
}
```
**4. Service:**
```typescript
// services/userService.ts
export class UserService {
private userRepository: UserRepository;
constructor() {
this.userRepository = new UserRepository();
}
async create(data: CreateUserDTO): Promise<User> {
const existing = await this.userRepository.findByEmail(data.email);
if (existing) {
throw new ConflictError('Email already exists');
}
return await this.userRepository.create({
email: data.email,
profile: {
create: {
firstName: data.firstName,
lastName: data.lastName,
age: data.age,
},
},
});
}
}
```
**5. Controller:**
```typescript
// controllers/UserController.ts
export class UserController extends BaseController {
private userService: UserService;
constructor() {
super();
this.userService = new UserService();
}
async createUser(req: Request, res: Response): Promise<void> {
try {
const validated = createUserSchema.parse(req.body);
const user = await this.userService.create(validated);
this.handleSuccess(res, user, 'User created', 201);
} catch (error) {
this.handleError(error, res, 'createUser');
}
}
}
```
**6. Routes:**
```typescript
// routes/userRoutes.ts
const router = Router();
const controller = new UserController();
router.post('/',
SSOMiddlewareClient.verifyLoginStatus,
async (req, res) => controller.createUser(req, res)
);
export default router;
```
**7. Register in app.ts:**
```typescript
// app.ts
import userRoutes from './routes/userRoutes';
app.use('/api/users', userRoutes);
```
**Complete Request Flow:**
```
POST /api/users
↓
userRoutes matches /
↓
SSOMiddleware authenticates
↓
controller.createUser called
↓
Validates with Zod
↓
userService.create called
↓
Checks business rules
↓
userRepository.create called
↓
Prisma creates user
↓
Returns up the chain
↓
Controller formats response
↓
200/201 sent to client
```
---
**Related Files:**
- [SKILL.md](SKILL.md)
- [routing-and-controllers.md](routing-and-controllers.md)
- [services-and-repositories.md](services-and-repositories.md)
- [validation-patterns.md](validation-patterns.md)
================================================
FILE: .claude/skills/backend-dev-guidelines/resources/configuration.md
================================================
# Configuration Management - UnifiedConfig Pattern
Complete guide to managing configuration in backend microservices.
## Table of Contents
- [UnifiedConfig Overview](#unifiedconfig-overview)
- [NEVER Use process.env Directly](#never-use-processenv-directly)
- [Configuration Structure](#configuration-structure)
- [Environment-Specific Configs](#environment-specific-configs)
- [Secrets Management](#secrets-management)
- [Migration Guide](#migration-guide)
---
## UnifiedConfig Overview
### Why UnifiedConfig?
**Problems with process.env:**
- ❌ No type safety
- ❌ No validation
- ❌ Hard to test
- ❌ Scattered throughout code
- ❌ No default values
- ❌ Runtime errors for typos
**Benefits of unifiedConfig:**
- ✅ Type-safe configuration
- ✅ Single source of truth
- ✅ Validated at startup
- ✅ Easy to test with mocks
- ✅ Clear structure
- ✅ Fallback to environment variables
---
## NEVER Use process.env Directly
### The Rule
```typescript
// ❌ NEVER DO THIS
const timeout = parseInt(process.env.TIMEOUT_MS || '5000');
const dbHost = process.env.DB_HOST || 'localhost';
// ✅ ALWAYS DO THIS
import { config } from './config/unifiedConfig';
const timeout = config.timeouts.default;
const dbHost = config.database.host;
```
### Why This Matters
**Example of problems:**
```typescript
// Typo in environment variable name
const host = process.env.DB_HSOT; // undefined! No error!
// Type safety
const port = process.env.PORT; // string! Need parseInt
const timeout = parseInt(process.env.TIMEOUT); // NaN if not set!
```
**With unifiedConfig:**
```typescript
const port = config.server.port; // number, guaranteed
const timeout = config.timeouts.default; // number, with fallback
```
---
## Configuration Structure
### UnifiedConfig Interface
```typescript
export interface UnifiedConfig {
database: {
host: string;
port: number;
username: string;
password: string;
database: string;
};
server: {
port: number;
sessionSecret: string;
};
tokens: {
jwt: string;
inactivity: string;
internal: string;
};
keycloak: {
realm: string;
client: string;
baseUrl: string;
secret: string;
};
aws: {
region: string;
emailQueueUrl: string;
accessKeyId: string;
secretAccessKey: string;
};
sentry: {
dsn: string;
environment: string;
tracesSampleRate: number;
};
// ... more sections
}
```
### Implementation Pattern
**File:** `/blog-api/src/config/unifiedConfig.ts`
```typescript
import * as fs from 'fs';
import * as path from 'path';
import * as ini from 'ini';
const configPath = path.join(__dirname, '../../config.ini');
const iniConfig = ini.parse(fs.readFileSync(configPath, 'utf-8'));
export const config: UnifiedConfig = {
database: {
host: iniConfig.database?.host || process.env.DB_HOST || 'localhost',
port: parseInt(iniConfig.database?.port || process.env.DB_PORT || '3306'),
username: iniConfig.database?.username || process.env.DB_USER || 'root',
password: iniConfig.database?.password || process.env.DB_PASSWORD || '',
database: iniConfig.database?.database || process.env.DB_NAME || 'blog_dev',
},
server: {
port: parseInt(iniConfig.server?.port || process.env.PORT || '3002'),
sessionSecret: iniConfig.server?.sessionSecret || process.env.SESSION_SECRET || 'dev-secret',
},
// ... more configuration
};
// Validate critical config
if (!config.tokens.jwt) {
throw new Error('JWT secret not configured!');
}
```
**Key Points:**
- Read from config.ini first
- Fallback to process.env
- Default values for development
- Validation at startup
- Type-safe access
---
## Environment-Specific Configs
### config.ini Structure
```ini
[database]
host = localhost
port = 3306
username = root
password = password1
database = blog_dev
[server]
port = 3002
sessionSecret = your-secret-here
[tokens]
jwt = your-jwt-secret
inactivity = 30m
internal = internal-api-token
[keycloak]
realm = myapp
client = myapp-client
baseUrl = http://localhost:8080
secret = keycloak-client-secret
[sentry]
dsn = https://your-sentry-dsn
environment = development
tracesSampleRate = 0.1
```
### Environment Overrides
```bash
# .env file (optional overrides)
DB_HOST=production-db.example.com
DB_PASSWORD=secure-password
PORT=80
```
**Precedence:**
1. config.ini (highest priority)
2. process.env variables
3. Hard-coded defaults (lowest priority)
---
## Secrets Management
### DO NOT Commit Secrets
```gitignore
# .gitignore
config.ini
.env
sentry.ini
*.pem
*.key
```
### Use Environment Variables in Production
```typescript
// Development: config.ini
// Production: Environment variables
export const config: UnifiedConfig = {
database: {
password: process.env.DB_PASSWORD || iniConfig.database?.password || '',
},
tokens: {
jwt: process.env.JWT_SECRET || iniConfig.tokens?.jwt || '',
},
};
```
---
## Migration Guide
### Find All process.env Usage
```bash
grep -r "process.env" blog-api/src/ --include="*.ts" | wc -l
```
### Migration Example
**Before:**
```typescript
// Scattered throughout code
const timeout = parseInt(process.env.OPENID_HTTP_TIMEOUT_MS || '15000');
const keycloakUrl = process.env.KEYCLOAK_BASE_URL;
const jwtSecret = process.env.JWT_SECRET;
```
**After:**
```typescript
import { config } from './config/unifiedConfig';
const timeout = config.keycloak.timeout;
const keycloakUrl = config.keycloak.baseUrl;
const jwtSecret = config.tokens.jwt;
```
**Benefits:**
- Type-safe
- Centralized
- Easy to test
- Validated at startup
---
**Related Files:**
- [SKILL.md](SKILL.md)
- [testing-guide.md](testing-guide.md)
================================================
FILE: .claude/skills/backend-dev-guidelines/resources/database-patterns.md
================================================
# Database Patterns - Prisma Best Practices
Complete guide to database access patterns using Prisma in backend microservices.
## Table of Contents
- [PrismaService Usage](#prismaservice-usage)
- [Repository Pattern](#repository-pattern)
- [Transaction Patterns](#transaction-patterns)
- [Query Optimization](#query-optimization)
- [N+1 Query Prevention](#n1-query-prevention)
- [Error Handling](#error-handling)
---
## PrismaService Usage
### Basic Pattern
```typescript
import { PrismaService } from '@project-lifecycle-portal/database';
// Always use PrismaService.main
const users = await PrismaService.main.user.findMany();
```
### Check Availability
```typescript
if (!PrismaService.isAvailable) {
throw new Error('Prisma client not initialized');
}
const user = await PrismaService.main.user.findUnique({ where: { id } });
```
---
## Repository Pattern
### Why Use Repositories
✅ **Use repositories when:**
- Complex queries with joins/includes
- Query used in multiple places
- Need caching layer
- Want to mock for testing
❌ **Skip repositories for:**
- Simple one-off queries
- Prototyping (can refactor later)
### Repository Template
```typescript
export class UserRepository {
async findById(id: string): Promise<User | null> {
return PrismaService.main.user.findUnique({
where: { id },
include: { profile: true },
});
}
async findActive(): Promise<User[]> {
return PrismaService.main.user.findMany({
where: { isActive: true },
orderBy: { createdAt: 'desc' },
});
}
async create(data: Prisma.UserCreateInput): Promise<User> {
return PrismaService.main.user.create({ data });
}
}
```
---
## Transaction Patterns
### Simple Transaction
```typescript
const result = await PrismaService.main.$transaction(async (tx) => {
const user = await tx.user.create({ data: userData });
const profile = await tx.userProfile.create({ data: { userId: user.id } });
return { user, profile };
});
```
### Interactive Transaction
```typescript
const result = await PrismaService.main.$transaction(
async (tx) => {
const user = await tx.user.findUnique({ where: { id } });
if (!user) throw new Error('User not found');
return await tx.user.update({
where: { id },
data: { lastLogin: new Date() },
});
},
{
maxWait: 5000,
timeout: 10000,
}
);
```
---
## Query Optimization
### Use select to Limit Fields
```typescript
// ❌ Fetches all fields
const users = await PrismaService.main.user.findMany();
// ✅ Only fetch needed fields
const users = await PrismaService.main.user.findMany({
select: {
id: true,
email: true,
profile: { select: { firstName: true, lastName: true } },
},
});
```
### Use include Carefully
```typescript
// ❌ Excessive includes
const user = await PrismaService.main.user.findUnique({
where: { id },
include: {
profile: true,
posts: { include: { comments: true } },
workflows: { include: { steps: { include: { actions: true } } } },
},
});
// ✅ Only include what you need
const user = await PrismaService.main.user.findUnique({
where: { id },
include: { profile: true },
});
```
---
## N+1 Query Prevention
### Problem: N+1 Queries
```typescript
// ❌ N+1 Query Problem
const users = await PrismaService.main.user.findMany(); // 1 query
for (const user of users) {
// N queries (one per user)
const profile = await PrismaService.main.userProfile.findUnique({
where: { userId: user.id },
});
}
```
### Solution: Use include or Batching
```typescript
// ✅ Single query with include
const users = await PrismaService.main.user.findMany({
include: { profile: true },
});
// ✅ Or batch query
const userIds = users.map(u => u.id);
const profiles = await PrismaService.main.userProfile.findMany({
where: { userId: { in: userIds } },
});
```
---
## Error Handling
### Prisma Error Types
```typescript
import { Prisma } from '@prisma/client';
try {
await PrismaService.main.user.create({ data });
} catch (error) {
if (error instanceof Prisma.PrismaClientKnownRequestError) {
// Unique constraint violation
if (error.code === 'P2002') {
throw new ConflictError('Email already exists');
}
// Foreign key constraint
if (error.code === 'P2003') {
throw new ValidationError('Invalid reference');
}
// Record not found
if (error.code === 'P2025') {
throw new NotFoundError('Record not found');
}
}
// Unknown error
Sentry.captureException(error);
throw error;
}
```
---
**Related Files:**
- [SKILL.md](SKILL.md)
- [services-and-repositories.md](services-and-repositories.md)
- [async-and-errors.md](async-and-errors.md)
================================================
FILE: .claude/skills/backend-dev-guidelines/resources/middleware-guide.md
================================================
# Middleware Guide - Express Middleware Patterns
Complete guide to creating and using middleware in backend microservices.
## Table of Contents
- [Authentication Middleware](#authentication-middleware)
- [Audit Middleware with AsyncLocalStorage](#audit-middleware-with-asynclocalstorage)
- [Error Boundary Middleware](#error-boundary-middleware)
- [Validation Middleware](#validation-middleware)
- [Composable Middleware](#composable-middleware)
- [Middleware Ordering](#middleware-ordering)
---
## Authentication Middleware
### SSOMiddleware Pattern
**File:** `/form/src/middleware/SSOMiddleware.ts`
```typescript
export class SSOMiddlewareClient {
static verifyLoginStatus(req: Request, res: Response, next: NextFunction): void {
const token = req.cookies.refresh_token;
if (!token) {
return res.status(401).json({ error: 'Not authenticated' });
}
try {
const decoded = jwt.verify(token, config.tokens.jwt);
res.locals.claims = decoded;
res.locals.effectiveUserId = decoded.sub;
next();
} catch (error) {
res.status(401).json({ error: 'Invalid token' });
}
}
}
```
---
## Audit Middleware with AsyncLocalStorage
### Excellent Pattern from Blog API
**File:** `/form/src/middleware/auditMiddleware.ts`
```typescript
import { AsyncLocalStorage } from 'async_hooks';
export interface AuditContext {
userId: string;
userName?: string;
impersonatedBy?: string;
sessionId?: string;
timestamp: Date;
requestId: string;
}
export const auditContextStorage = new AsyncLocalStorage<AuditContext>();
export function auditMiddleware(req: Request, res: Response, next: NextFunction): void {
const context: AuditContext = {
userId: res.locals.effectiveUserId || 'anonymous',
userName: res.locals.claims?.preferred_username,
impersonatedBy: res.locals.isImpersonating ? res.locals.originalUserId : undefined,
timestamp: new Date(),
requestId: req.id || uuidv4(),
};
auditContextStorage.run(context, () => {
next();
});
}
// Getter for current context
export function getAuditContext(): AuditContext | null {
return auditContextStorage.getStore() || null;
}
```
**Benefits:**
- Context propagates through entire request
- No need to pass context through every function
- Automatically available in services, repositories
- Type-safe context access
**Usage in Services:**
```typescript
import { getAuditContext } from '../middleware/auditMiddleware';
async function someOperation() {
const context = getAuditContext();
console.log('Operation by:', context?.userId);
}
```
---
## Error Boundary Middleware
### Comprehensive Error Handler
**File:** `/form/src/middleware/errorBoundary.ts`
```typescript
export function errorBoundary(
error: Error,
req: Request,
res: Response,
next: NextFunction
): void {
// Determine status code
const statusCode = getStatusCodeForError(error);
// Capture to Sentry
Sentry.withScope((scope) => {
scope.setLevel(statusCode >= 500 ? 'error' : 'warning');
scope.setTag('error_type', error.name);
scope.setContext('error_details', {
message: error.message,
stack: error.stack,
});
Sentry.captureException(error);
});
// User-friendly response
res.status(statusCode).json({
success: false,
error: {
message: getUserFriendlyMessage(error),
code: error.name,
},
requestId: Sentry.getCurrentScope().getPropagationContext().traceId,
});
}
// Async wrapper
export function asyncErrorWrapper(
handler: (req: Request, res: Response, next: NextFunction) => Promise<any>
) {
return async (req: Request, res: Response, next: NextFunction) => {
try {
await handler(req, res, next);
} catch (error) {
next(error);
}
};
}
```
---
## Composable Middleware
### withAuthAndAudit Pattern
```typescript
export function withAuthAndAudit(...authMiddleware: any[]) {
return [
...authMiddleware,
auditMiddleware,
];
}
// Usage
router.post('/:formID/submit',
...withAuthAndAudit(SSOMiddlewareClient.verifyLoginStatus),
async (req, res) => controller.submit(req, res)
);
```
---
## Middleware Ordering
### Critical Order (Must Follow)
```typescript
// 1. Sentry request handler (FIRST)
app.use(Sentry.Handlers.requestHandler());
// 2. Body parsing
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
// 3. Cookie parsing
app.use(cookieParser());
// 4. Auth initialization
app.use(SSOMiddleware.initialize());
// 5. Routes registered here
app.use('/api/users', userRoutes);
// 6. Error handler (AFTER routes)
app.use(errorBoundary);
// 7. Sentry error handler (LAST)
app.use(Sentry.Handlers.errorHandler());
```
**Rule:** Error handlers MUST be registered AFTER all routes!
---
**Related Files:**
- [SKILL.md](SKILL.md)
- [routing-and-controllers.md](routing-and-controllers.md)
- [async-and-errors.md](async-and-errors.md)
================================================
FILE: .claude/skills/backend-dev-guidelines/resources/routing-and-controllers.md
================================================
# Routing and Controllers - Best Practices
Complete guide to clean route definitions and controller patterns.
## Table of Contents
- [Routes: Routing Only](#routes-routing-only)
- [BaseController Pattern](#basecontroller-pattern)
- [Good Examples](#good-examples)
- [Anti-Patterns](#anti-patterns)
- [Refactoring Guide](#refactoring-guide)
- [Error Handling](#error-handling)
- [HTTP Status Codes](#http-status-codes)
---
## Routes: Routing Only
### The Golden Rule
**Routes should ONLY:**
- ✅ Define route paths
- ✅ Register middleware
- ✅ Delegate to controllers
**Routes should NEVER:**
- ❌ Contain business logic
- ❌ Access database directly
- ❌ Implement validation logic (use Zod + controller)
- ❌ Format complex responses
- ❌ Handle complex error scenarios
### Clean Route Pattern
```typescript
// routes/userRoutes.ts
import { Router } from 'express';
import { UserController } from '../controllers/UserController';
import { SSOMiddlewareClient } from '../middleware/SSOMiddleware';
import { auditMiddleware } from '../middleware/auditMiddleware';
const router = Router();
const controller = new UserController();
// ✅ CLEAN: Route definition only
router.get('/:id',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.getUser(req, res)
);
router.post('/',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.createUser(req, res)
);
router.put('/:id',
SSOMiddlewareClient.verifyLoginStatus,
auditMiddleware,
async (req, res) => controller.updateUser(req, res)
);
export default router;
```
**Key Points:**
- Each route: method, path, middleware chain, controller delegation
- No try-catch needed (controller handles errors)
- Clean, readable, maintainable
- Easy to see all endpoints at a glance
---
## BaseController Pattern
### Why BaseController?
**Benefits:**
- Consistent error handling across all controllers
- Automatic Sentry integration
- Standardized response formats
- Reusable helper methods
- Performance tracking utilities
- Logging and breadcrumb helpers
### BaseController Pattern (Template)
**File:** `/email/src/controllers/BaseController.ts`
```typescript
import * as Sentry from '@sentry/node';
import { Response } from 'express';
export abstract class BaseController {
/**
* Handle errors with Sentry integration
*/
protected handleError(
error: unknown,
res: Response,
context: string,
statusCode = 500
): void {
Sentry.withScope((scope) => {
scope.setTag('controller', this.constructor.name);
scope.setTag('operation', context);
scope.setUser({ id: res.locals?.claims?.userId });
if (error instanceof Error) {
scope.setContext('error_details', {
message: error.message,
stack: error.stack,
});
}
Sentry.captureException(error);
});
res.status(statusCode).json({
success: false,
error: {
message: error instanceof Error ? error.message : 'An error occurred',
code: statusCode,
},
});
}
/**
* Handle success responses
*/
protected handleSuccess<T>(
res: Response,
data: T,
message?: string,
statusCode = 200
): void {
res.status(statusCode).json({
success: true,
message,
data,
});
}
/**
* Performance tracking wrapper
*/
protected async withTransaction<T>(
name: string,
operation: string,
callback: () => Promise<T>
): Promise<T> {
return await Sentry.startSpan(
{ name, op: operation },
callback
);
}
/**
* Validate required fields
*/
protected validateRequest(
required: string[],
actual: Record<string, any>,
res: Response
): boolean {
const missing = required.filter((field) => !actual[field]);
if (missing.length > 0) {
Sentry.captureMessage(
`Missing required fields: ${missing.join(', ')}`,
'warning'
);
res.status(400).json({
success: false,
error: {
message: 'Missing required fields',
code: 'VALIDATION_ERROR',
details: { missing },
},
});
return false;
}
return true;
}
/**
* Logging helpers
*/
protected logInfo(message: string, context?: Record<string, any>): void {
Sentry.addBreadcrumb({
category: this.constructor.name,
message,
level: 'info',
data: context,
});
}
protected logWarning(message: string, context?: Record<string, any>): void {
Sentry.captureMessage(message, {
level: 'warning',
tags: { controller: this.constructor.name },
extra: context,
});
}
/**
* Add Sentry breadcrumb
*/
protected addBreadcrumb(
message: string,
category: string,
data?: Record<string, any>
): void {
Sentry.addBreadcrumb({ message, category, level: 'info', data });
}
/**
* Capture custom metric
*/
protected captureMetric(name: string, value: number, unit: string): void {
Sentry.metrics.gauge(name, value, { unit });
}
}
```
### Using BaseController
```typescript
// controllers/UserController.ts
import { Request, Response } from 'express';
import { BaseController } from './BaseController';
import { UserService } from '../services/userService';
import { createUserSchema } from '../validators/userSchemas';
export class UserController extends BaseController {
private userService: UserService;
constructor() {
super();
this.userService = new UserService();
}
async getUser(req: Request, res: Response): Promise<void> {
try {
this.addBreadcrumb('Fetching user', 'user_controller', { userId: req.params.id });
const user = await this.userService.findById(req.params.id);
if (!user) {
return this.handleError(
new Error('User not found'),
res,
'getUser',
404
);
}
this.handleSuccess(res, user);
} catch (error) {
this.handleError(error, res, 'getUser');
}
}
async createUser(req: Request, res: Response): Promise<void> {
try {
// Validate input
const validated = createUserSchema.parse(req.body);
// Track performance
const user = await this.withTransaction(
'user.create',
'db.query',
() => this.userService.create(validated)
);
this.handleSuccess(res, user, 'User created successfully', 201);
} catch (error) {
this.handleError(error, res, 'createUser');
}
}
async updateUser(req: Request, res: Response): Promise<void> {
try {
const validated = updateUserSchema.parse(req.body);
const user = await this.userService.update(req.params.id, validated);
this.handleSuccess(res, user, 'User updated');
} catch (error) {
this.handleError(error, res, 'updateUser');
}
}
}
```
**Benefits:**
- Consistent error handling
- Automatic Sentry integration
- Performance tracking
- Clean, readable code
- Easy to test
---
## Good Examples
### Example 1: Email Notification Routes (Excellent ✅)
**File:** `/email/src/routes/notificationRoutes.ts`
```typescript
import { Router } from 'express';
import { NotificationController } from '../controllers/NotificationController';
import { SSOMiddlewareClient } from '../middleware/SSOMiddleware';
const router = Router();
const controller = new NotificationController();
// ✅ EXCELLENT: Clean delegation
router.get('/',
SSOMiddlewareClient.verifyLoginStatus,
async (req, res) => controller.getNotifications(req, res)
);
router.post('/',
SSOMiddlewareClient.verifyLoginStatus,
async (req, res) => controller.createNotification(req, res)
);
router.put('/:id/read',
SSOMiddlewareClient.verifyLoginStatus,
async (req, res) => controller.markAsRead(req, res)
);
export default router;
```
**What Makes This Excellent:**
- Zero business logic in routes
- Clear middleware chain
- Consistent pattern
- Easy to understand
### Example 2: Proxy Routes with Validation (Good ✅)
**File:** `/form/src/routes/proxyRoutes.ts`
```typescript
import { z } from 'zod';
const createProxySchema = z.object({
originalUserID: z.string().min(1),
proxyUserID: z.string().min(1),
startsAt: z.string().datetime(),
expiresAt: z.string().datetime(),
});
router.post('/',
SSOMiddlewareClient.verifyLoginStatus,
async (req, res) => {
try {
const validated = createProxySchema.parse(req.body);
const proxy = await proxyService.createProxyRelationship(validated);
res.status(201).json({ success: true, data: proxy });
} catch (error) {
handler.handleException(res, error);
}
}
);
```
**What Makes This Good:**
- Zod validation
- Delegates to service
- Proper HTTP status codes
- Error handling
**Could Be Better:**
- Move validation to controller
- Use BaseController
---
## Anti-Patterns
### Anti-Pattern 1: Business Logic in Routes (Bad ❌)
**File:** `/form/src/routes/responseRoutes.ts` (actual production code)
```typescript
// ❌ ANTI-PATTERN: 200+ lines of business logic in route
router.post('/:formID/submit', async (req: Request, res: Response) => {
try {
const username = res.locals.claims.preferred_username;
const responses = req.body.responses;
const stepInstanceId = req.body.stepInstanceId;
// ❌ Permission checking in route
const userId = await userProfileService.getProfileByEmail(username).then(p => p.id);
const canComplete = await permissionService.canCompleteStep(userId, stepInstanceId);
if (!canComplete) {
return res.status(403).json({ error: 'No permission' });
}
// ❌ Workflow logic in route
const { createWorkflowEngine, CompleteStepCommand } = require('../workflow/core/WorkflowEngineV3');
const engine = await createWorkflowEngine();
const command = new CompleteStepCommand(
stepInstanceId,
userId,
responses,
additionalContext
);
const events = await engine.executeCommand(command);
// ❌ Impersonation handling in route
if (res.locals.isImpersonating) {
impersonationContextStore.storeContext(stepInstanceId, {
originalUserId: res.locals.originalUserId,
effectiveUserId: userId,
});
}
// ❌ Response processing in route
const post = await PrismaService.main.post.findUnique({
where: { id: postData.id },
include: { comments: true },
});
// ❌ Permission check in route
await checkPostPermissions(post, userId);
// ... 100+ more lines of business logic
res.json({ success: true, data: result });
} catch (e) {
handler.handleException(res, e);
}
});
```
**Why This Is Terrible:**
- 200+ lines of business logic
- Hard to test (requires HTTP mocking)
- Hard to reuse (tied to route)
- Mixed responsibilities
- Difficult to debug
- Performance tracking difficult
### How to Refactor (Step-by-Step)
**Step 1: Create Controller**
```typescript
// controllers/PostController.ts
export class PostController extends BaseController {
private postService: PostService;
constructor() {
super();
this.postService = new PostService();
}
async createPost(req:
gitextract_dukaczus/
├── .claude/
│ ├── agents/
│ │ ├── README.md
│ │ ├── auth-route-debugger.md
│ │ ├── auth-route-tester.md
│ │ ├── auto-error-resolver.md
│ │ ├── code-architecture-reviewer.md
│ │ ├── code-refactor-master.md
│ │ ├── documentation-architect.md
│ │ ├── frontend-error-fixer.md
│ │ ├── plan-reviewer.md
│ │ ├── refactor-planner.md
│ │ └── web-research-specialist.md
│ ├── commands/
│ │ ├── dev-docs-update.md
│ │ ├── dev-docs.md
│ │ └── route-research-for-testing.md
│ ├── hooks/
│ │ ├── CONFIG.md
│ │ ├── README.md
│ │ ├── error-handling-reminder.sh
│ │ ├── error-handling-reminder.ts
│ │ ├── package.json
│ │ ├── post-tool-use-tracker.sh
│ │ ├── skill-activation-prompt.sh
│ │ ├── skill-activation-prompt.ts
│ │ ├── stop-build-check-enhanced.sh
│ │ ├── trigger-build-resolver.sh
│ │ ├── tsc-check.sh
│ │ └── tsconfig.json
│ ├── settings.json
│ ├── settings.local.json
│ └── skills/
│ ├── README.md
│ ├── backend-dev-guidelines/
│ │ ├── SKILL.md
│ │ └── resources/
│ │ ├── architecture-overview.md
│ │ ├── async-and-errors.md
│ │ ├── complete-examples.md
│ │ ├── configuration.md
│ │ ├── database-patterns.md
│ │ ├── middleware-guide.md
│ │ ├── routing-and-controllers.md
│ │ ├── sentry-and-monitoring.md
│ │ ├── services-and-repositories.md
│ │ ├── testing-guide.md
│ │ └── validation-patterns.md
│ ├── error-tracking/
│ │ └── SKILL.md
│ ├── frontend-dev-guidelines/
│ │ ├── SKILL.md
│ │ └── resources/
│ │ ├── common-patterns.md
│ │ ├── complete-examples.md
│ │ ├── component-patterns.md
│ │ ├── data-fetching.md
│ │ ├── file-organization.md
│ │ ├── loading-and-error-states.md
│ │ ├── performance.md
│ │ ├── routing-guide.md
│ │ ├── styling-guide.md
│ │ └── typescript-standards.md
│ ├── route-tester/
│ │ └── SKILL.md
│ ├── skill-developer/
│ │ ├── ADVANCED.md
│ │ ├── HOOK_MECHANISMS.md
│ │ ├── PATTERNS_LIBRARY.md
│ │ ├── SKILL.md
│ │ ├── SKILL_RULES_REFERENCE.md
│ │ ├── TRIGGER_TYPES.md
│ │ └── TROUBLESHOOTING.md
│ └── skill-rules.json
├── .gitignore
├── CLAUDE_INTEGRATION_GUIDE.md
├── LICENSE
├── README.md
└── dev/
└── README.md
SYMBOL INDEX (13 symbols across 2 files)
FILE: .claude/hooks/error-handling-reminder.ts
type HookInput (line 5) | interface HookInput {
type EditedFile (line 13) | interface EditedFile {
type SessionTracking (line 19) | interface SessionTracking {
function getFileCategory (line 23) | function getFileCategory(filePath: string): 'backend' | 'frontend' | 'da...
function shouldCheckErrorHandling (line 45) | function shouldCheckErrorHandling(filePath: string): boolean {
function analyzeFileContent (line 56) | function analyzeFileContent(filePath: string): {
function main (line 78) | async function main() {
FILE: .claude/hooks/skill-activation-prompt.ts
type HookInput (line 5) | interface HookInput {
type PromptTriggers (line 13) | interface PromptTriggers {
type SkillRule (line 18) | interface SkillRule {
type SkillRules (line 25) | interface SkillRules {
type MatchedSkill (line 30) | interface MatchedSkill {
function main (line 36) | async function main() {
Condensed preview — 67 files, each showing path, character count, and a content snippet. Download the .json file or copy for the full structured content (543K chars).
[
{
"path": ".claude/agents/README.md",
"chars": 6854,
"preview": "# Agents\n\nSpecialized agents for complex, multi-step tasks.\n\n---\n\n## What Are Agents?\n\nAgents are autonomous Claude inst"
},
{
"path": ".claude/agents/auth-route-debugger.md",
"chars": 6606,
"preview": "---\nname: auth-route-debugger\ndescription: Use this agent when you need to debug authentication-related issues with API "
},
{
"path": ".claude/agents/auth-route-tester.md",
"chars": 5776,
"preview": "---\nname: auth-route-tester\ndescription: Use this agent when you need to test routes after implementing or modifying the"
},
{
"path": ".claude/agents/auto-error-resolver.md",
"chars": 3342,
"preview": "---\nname: auto-error-resolver\ndescription: Automatically fix TypeScript compilation errors\ntools: Read, Write, Edit, Mul"
},
{
"path": ".claude/agents/code-architecture-reviewer.md",
"chars": 6337,
"preview": "---\nname: code-architecture-reviewer\ndescription: Use this agent when you need to review recently written code for adher"
},
{
"path": ".claude/agents/code-refactor-master.md",
"chars": 6891,
"preview": "---\nname: code-refactor-master\ndescription: Use this agent when you need to refactor code for better organization, clean"
},
{
"path": ".claude/agents/documentation-architect.md",
"chars": 5610,
"preview": "---\nname: documentation-architect\ndescription: Use this agent when you need to create, update, or enhance documentation "
},
{
"path": ".claude/agents/frontend-error-fixer.md",
"chars": 5199,
"preview": "---\nname: frontend-error-fixer\ndescription: Use this agent when you encounter frontend errors, whether they appear durin"
},
{
"path": ".claude/agents/plan-reviewer.md",
"chars": 5559,
"preview": "---\nname: plan-reviewer\ndescription: Use this agent when you have a development plan that needs thorough review before i"
},
{
"path": ".claude/agents/refactor-planner.md",
"chars": 5377,
"preview": "---\nname: refactor-planner\ndescription: Use this agent when you need to analyze code structure and create comprehensive "
},
{
"path": ".claude/agents/web-research-specialist.md",
"chars": 5840,
"preview": "---\nname: web-research-specialist\ndescription: Use this agent when you need to research information on the internet, par"
},
{
"path": ".claude/commands/dev-docs-update.md",
"chars": 1841,
"preview": "---\ndescription: Update dev documentation before context compaction\nargument-hint: Optional - specific context or tasks "
},
{
"path": ".claude/commands/dev-docs.md",
"chars": 2251,
"preview": "---\ndescription: Create a comprehensive strategic plan with structured task breakdown\nargument-hint: Describe what you n"
},
{
"path": ".claude/commands/route-research-for-testing.md",
"chars": 960,
"preview": "---\ndescription: Map edited routes & launch tests\nargument-hint: \"[/extra/path …]\"\nallowed-tools: Bash(cat:*), Bash(awk:"
},
{
"path": ".claude/hooks/CONFIG.md",
"chars": 9513,
"preview": "# Hooks Configuration Guide\n\nThis guide explains how to configure and customize the hooks system for your project.\n\n## Q"
},
{
"path": ".claude/hooks/README.md",
"chars": 3894,
"preview": "# Hooks\n\nClaude Code hooks that enable skill auto-activation, file tracking, and validation.\n\n---\n\n## What Are Hooks?\n\nH"
},
{
"path": ".claude/hooks/error-handling-reminder.sh",
"chars": 258,
"preview": "#!/bin/bash\n\n# Skip if environment variable is set\nif [ -n \"$SKIP_ERROR_REMINDER\" ]; then\n exit 0\nfi\n\n# Get the direc"
},
{
"path": ".claude/hooks/error-handling-reminder.ts",
"chars": 7980,
"preview": "#!/usr/bin/env node\nimport { readFileSync, existsSync } from 'fs';\nimport { join } from 'path';\n\ninterface HookInput {\n "
},
{
"path": ".claude/hooks/package.json",
"chars": 419,
"preview": "{\n \"name\": \"claude-hooks\",\n \"version\": \"1.0.0\",\n \"description\": \"TypeScript hooks for Claude Code skill auto-ac"
},
{
"path": ".claude/hooks/post-tool-use-tracker.sh",
"chars": 5104,
"preview": "#!/bin/bash\nset -e\n\n# Post-tool-use hook that tracks edited files and their repos\n# This runs after Edit, MultiEdit, or "
},
{
"path": ".claude/hooks/skill-activation-prompt.sh",
"chars": 100,
"preview": "#!/bin/bash\nset -e\n\ncd \"$CLAUDE_PROJECT_DIR/.claude/hooks\"\ncat | npx tsx skill-activation-prompt.ts\n"
},
{
"path": ".claude/hooks/skill-activation-prompt.ts",
"chars": 4210,
"preview": "#!/usr/bin/env node\nimport { readFileSync } from 'fs';\nimport { join } from 'path';\n\ninterface HookInput {\n session_i"
},
{
"path": ".claude/hooks/stop-build-check-enhanced.sh",
"chars": 4020,
"preview": "#!/bin/bash\nset -e\n\n# Stop event hook that runs build checks and provides instructions for error resolution\n# This runs "
},
{
"path": ".claude/hooks/trigger-build-resolver.sh",
"chars": 3407,
"preview": "#!/bin/bash\necho \"Hook triggered at $(date)\" >> /tmp/claude-hook-debug.log\necho \"Args: $@\" >> /tmp/claude-hook-debug.log"
},
{
"path": ".claude/hooks/tsc-check.sh",
"chars": 6156,
"preview": "#!/bin/bash\n\n# TSC Hook with Visible Output\n# Uses stderr for visibility in Claude Code main interface\n\nCLAUDE_PROJECT_D"
},
{
"path": ".claude/hooks/tsconfig.json",
"chars": 522,
"preview": "{\n \"compilerOptions\": {\n \"target\": \"ES2022\",\n \"module\": \"NodeNext\",\n \"moduleResolution\": \"NodeNe"
},
{
"path": ".claude/settings.json",
"chars": 1129,
"preview": "{\n \"enableAllProjectMcpServers\": true,\n \"enabledMcpjsonServers\": [\n \"mysql\",\n \"sequential-thinking\",\n \"playwr"
},
{
"path": ".claude/settings.local.json",
"chars": 225,
"preview": "{\n \"permissions\": {\n \"allow\": [\n \"Bash(for file in /root/git/claude-code-infrastructure-showcase/.claude/skills"
},
{
"path": ".claude/skills/README.md",
"chars": 8284,
"preview": "# Skills\n\nProduction-tested skills for Claude Code that auto-activate based on context.\n\n---\n\n## What Are Skills?\n\nSkill"
},
{
"path": ".claude/skills/backend-dev-guidelines/SKILL.md",
"chars": 8031,
"preview": "---\nname: backend-dev-guidelines\ndescription: Comprehensive backend development guide for Node.js/Express/TypeScript mic"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/architecture-overview.md",
"chars": 11466,
"preview": "# Architecture Overview - Backend Services\n\nComplete guide to the layered architecture pattern used in backend microserv"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/async-and-errors.md",
"chars": 6840,
"preview": "# Async Patterns and Error Handling\n\nComplete guide to async/await patterns and custom error handling.\n\n## Table of Cont"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/complete-examples.md",
"chars": 16444,
"preview": "# Complete Examples - Full Working Code\n\nReal-world examples showing complete implementation patterns.\n\n## Table of Cont"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/configuration.md",
"chars": 5788,
"preview": "# Configuration Management - UnifiedConfig Pattern\n\nComplete guide to managing configuration in backend microservices.\n\n"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/database-patterns.md",
"chars": 4919,
"preview": "# Database Patterns - Prisma Best Practices\n\nComplete guide to database access patterns using Prisma in backend microser"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/middleware-guide.md",
"chars": 5169,
"preview": "# Middleware Guide - Express Middleware Patterns\n\nComplete guide to creating and using middleware in backend microservic"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/routing-and-controllers.md",
"chars": 19890,
"preview": "# Routing and Controllers - Best Practices\n\nComplete guide to clean route definitions and controller patterns.\n\n## Table"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/sentry-and-monitoring.md",
"chars": 7743,
"preview": "# Sentry Integration and Monitoring\n\nComplete guide to error tracking and performance monitoring with Sentry v8.\n\n## Tab"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/services-and-repositories.md",
"chars": 22243,
"preview": "# Services and Repositories - Business Logic Layer\n\nComplete guide to organizing business logic with services and data a"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/testing-guide.md",
"chars": 5420,
"preview": "# Testing Guide - Backend Testing Strategies\n\nComplete guide to testing backend services with Jest and best practices.\n\n"
},
{
"path": ".claude/skills/backend-dev-guidelines/resources/validation-patterns.md",
"chars": 18012,
"preview": "# Validation Patterns - Input Validation with Zod\n\nComplete guide to input validation using Zod schemas for type-safe va"
},
{
"path": ".claude/skills/error-tracking/SKILL.md",
"chars": 9726,
"preview": "---\nname: error-tracking\ndescription: Add Sentry v8 error tracking and performance monitoring to your project services. "
},
{
"path": ".claude/skills/frontend-dev-guidelines/SKILL.md",
"chars": 11252,
"preview": "---\nname: frontend-dev-guidelines\ndescription: Frontend development guidelines for React/TypeScript applications. Modern"
},
{
"path": ".claude/skills/frontend-dev-guidelines/resources/common-patterns.md",
"chars": 8349,
"preview": "# Common Patterns\n\nFrequently used patterns for forms, authentication, DataGrid, dialogs, and other common UI elements.\n"
},
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"path": ".claude/skills/frontend-dev-guidelines/resources/complete-examples.md",
"chars": 24524,
"preview": "# Complete Examples\n\nFull working examples combining all modern patterns: React.FC, lazy loading, Suspense, useSuspenseQ"
},
{
"path": ".claude/skills/frontend-dev-guidelines/resources/component-patterns.md",
"chars": 10796,
"preview": "# Component Patterns\n\nModern React component architecture for the application emphasizing type safety, lazy loading, and"
},
{
"path": ".claude/skills/frontend-dev-guidelines/resources/data-fetching.md",
"chars": 19813,
"preview": "# Data Fetching Patterns\n\nModern data fetching using TanStack Query with Suspense boundaries, cache-first strategies, an"
},
{
"path": ".claude/skills/frontend-dev-guidelines/resources/file-organization.md",
"chars": 11555,
"preview": "# File Organization\n\nProper file and directory structure for maintainable, scalable frontend code in the the application"
},
{
"path": ".claude/skills/frontend-dev-guidelines/resources/loading-and-error-states.md",
"chars": 11998,
"preview": "# Loading & Error States\n\n**CRITICAL**: Proper loading and error state handling prevents layout shift and provides bette"
},
{
"path": ".claude/skills/frontend-dev-guidelines/resources/performance.md",
"chars": 9589,
"preview": "# Performance Optimization\n\nPatterns for optimizing React component performance, preventing unnecessary re-renders, and "
},
{
"path": ".claude/skills/frontend-dev-guidelines/resources/routing-guide.md",
"chars": 7179,
"preview": "# Routing Guide\n\nTanStack Router implementation with folder-based routing and lazy loading patterns.\n\n---\n\n## TanStack R"
},
{
"path": ".claude/skills/frontend-dev-guidelines/resources/styling-guide.md",
"chars": 7865,
"preview": "# Styling Guide\n\nModern styling patterns for using MUI v7 sx prop, inline styles, and theme integration.\n\n---\n\n## Inline"
},
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"path": ".claude/skills/frontend-dev-guidelines/resources/typescript-standards.md",
"chars": 8389,
"preview": "# TypeScript Standards\n\nTypeScript best practices for type safety and maintainability in React frontend code.\n\n---\n\n## S"
},
{
"path": ".claude/skills/route-tester/SKILL.md",
"chars": 9788,
"preview": "---\nname: route-tester\ndescription: Test authenticated routes in the your project using cookie-based authentication. Use"
},
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"path": ".claude/skills/skill-developer/ADVANCED.md",
"chars": 3979,
"preview": "# Advanced Topics & Future Enhancements\n\nIdeas and concepts for future improvements to the skill system.\n\n---\n\n## Dynami"
},
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"path": ".claude/skills/skill-developer/HOOK_MECHANISMS.md",
"chars": 7594,
"preview": "# Hook Mechanisms - Deep Dive\n\nTechnical deep dive into how the UserPromptSubmit and PreToolUse hooks work.\n\n## Table of"
},
{
"path": ".claude/skills/skill-developer/PATTERNS_LIBRARY.md",
"chars": 3347,
"preview": "# Common Patterns Library\n\nReady-to-use regex and glob patterns for skill triggers. Copy and customize for your skills.\n"
},
{
"path": ".claude/skills/skill-developer/SKILL.md",
"chars": 12224,
"preview": "---\nname: skill-developer\ndescription: Create and manage Claude Code skills following Anthropic best practices. Use when"
},
{
"path": ".claude/skills/skill-developer/SKILL_RULES_REFERENCE.md",
"chars": 8674,
"preview": "# skill-rules.json - Complete Reference\n\nComplete schema and configuration reference for `.claude/skills/skill-rules.jso"
},
{
"path": ".claude/skills/skill-developer/TRIGGER_TYPES.md",
"chars": 7683,
"preview": "# Trigger Types - Complete Guide\n\nComplete reference for configuring skill triggers in Claude Code's skill auto-activati"
},
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"path": ".claude/skills/skill-developer/TROUBLESHOOTING.md",
"chars": 10026,
"preview": "# Troubleshooting - Skill Activation Issues\n\nComplete debugging guide for skill activation problems.\n\n## Table of Conten"
},
{
"path": ".claude/skills/skill-rules.json",
"chars": 9435,
"preview": "{\n \"version\": \"1.0\",\n \"description\": \"Skill activation triggers for Claude Code. Controls when skills automaticall"
},
{
"path": ".gitignore",
"chars": 429,
"preview": "# Dependencies\nnode_modules/\nnpm-debug.log*\nyarn-debug.log*\nyarn-error.log*\npnpm-debug.log*\n\n# Environment variables\n.en"
},
{
"path": "CLAUDE_INTEGRATION_GUIDE.md",
"chars": 24126,
"preview": "# Claude Integration Guide\n\n**FOR CLAUDE CODE:** When a user asks you to integrate components from this showcase reposit"
},
{
"path": "LICENSE",
"chars": 1096,
"preview": "MIT License\n\nCopyright (c) 2025 Claude Code Infrastructure Contributors\n\nPermission is hereby granted, free of charge, t"
},
{
"path": "README.md",
"chars": 11202,
"preview": "# Claude Code Infrastructure Showcase\n\n**A curated reference library of production-tested Claude Code infrastructure.**\n"
},
{
"path": "dev/README.md",
"chars": 9273,
"preview": "# Dev Docs Pattern\n\nA methodology for maintaining project context across Claude Code sessions and context resets.\n\n---\n\n"
}
]
About this extraction
This page contains the full source code of the diet103/claude-code-infrastructure-showcase GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 67 files (503.5 KB), approximately 121.0k tokens, and a symbol index with 13 extracted functions, classes, methods, constants, and types. Use this with OpenClaw, Claude, ChatGPT, Cursor, Windsurf, or any other AI tool that accepts text input. You can copy the full output to your clipboard or download it as a .txt file.
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