Claude Code for Team Workflows: Collaboration and Enterprise Setup

# CLAUDE.md - Claude Code Standards for [Your Project]

## Project Context
- **Purpose**: Brief description of what this project does
- **Tech Stack**: Key frameworks, databases, libraries
- **Architecture**: High-level system design
- **Team**: Key contacts for different domains

## Code Standards
- **Language**: TypeScript strict mode required
- **Style**: Prettier config enforced, see .prettierrc
- **Testing**: 80% minimum coverage, Jest for unit tests
- **Linting**: ESLint configuration must be followed
- **Documentation**: JSDoc comments required for public APIs

## Development Workflow
- **Branches**: feature/*, bugfix/*, hotfix/* naming convention
- **Commits**: Conventional commits required
- **Review**: All code requires CR before merge
- **Deployment**: Production deploys happen via CI/CD only

## Claude Code Guidelines
- **Instruction Style**: Be specific about requirements
- **Code Review**: Claude suggests improvements; humans decide
- **Testing**: Always generate tests alongside new code
- **Documentation**: Update docs when changing code
- **Security**: Flag potential vulnerabilities immediately
- **Refactoring**: Preserve behavior when refactoring

## Do's and Don'ts
✓ Do ask Claude to generate tests alongside code
✓ Do use Claude for code review and suggestions
✓ Do ask Claude to explain complex algorithms
✗ Don't skip human review of Claude's suggestions
✗ Don't deploy Claude-generated code without testing
✗ Don't commit without running linting and tests

## Common Requests and Expected Responses
- "Review this code" → Specific issues with line numbers
- "Write a test" → Complete test with edge cases
- "Refactor this" → Maintain behavior, improve clarity
- "Explain this" → Clear explanation at appropriate level

## Team Knowledge Base
- [Architecture Overview](./docs/architecture.md)
- [API Documentation](./docs/api.md)
- [Database Schema](./docs/database.md)
- [Deployment Procedures](./docs/deployment.md)

// .claude-config.json
{
  "team": {
    "name": "Platform Engineering",
    "slackChannel": "#ai-development",
    "defaultModel": "claude-opus-4-6",
    "maxTokensPerRequest": 200000
  },
  "standards": {
    "languageVersion": "TypeScript 5.0+",
    "minTestCoverage": 80,
    "linter": "eslint",
    "formatter": "prettier",
    "typeChecker": "strict"
  },
  "security": {
    "allowedPatterns": ["src/**", "tests/**"],
    "blockedPatterns": [".env*", "secrets/**", "*.key"],
    "maskSensitive": true,
    "auditLog": true
  },
  "integrations": {
    "github": {
      "enabled": true,
      "reviewRequests": true
    },
    "slack": {
      "enabled": true,
      "notifications": "summary"
    },
    "datadog": {
      "enabled": true,
      "metricsTracking": true
    }
  }
}

# Claude Code Team Onboarding

## For New Team Members
- [ ] Read CLAUDE.md thoroughly
- [ ] Review team coding standards in .claude-config.json
- [ ] Watch "Claude Code at [Company]" orientation video
- [ ] Pair with a senior developer on first task with Claude
- [ ] Complete "Claude Code Essentials" training module
- [ ] Review security guidelines and data boundaries
- [ ] Practice on a small, non-critical task
- [ ] Discuss expectations with team lead

## For Team Leads Onboarding Claude Code
- [ ] Create and maintain CLAUDE.md for your team
- [ ] Establish code review process that includes AI suggestions
- [ ] Set up monitoring and metrics for Claude Code usage
- [ ] Create team-specific prompt templates
- [ ] Establish security and data handling policies
- [ ] Plan knowledge transfer sessions
- [ ] Set up integration with your existing workflows
- [ ] Schedule regular retrospectives on AI effectiveness

## For Security/Compliance Teams
- [ ] Define what data Claude Code can access
- [ ] Set up data masking and filtering rules
- [ ] Establish audit logging for Claude interactions
- [ ] Define data retention policies
- [ ] Create incident response procedures
- [ ] Plan regular security reviews
- [ ] Document compliance with regulations (GDPR, HIPAA, etc.)

## The Four-Stage Code Review Process

### Stage 1: Automated Pre-Flight Checks
Claude Code automatically checks:
- Syntax and type correctness
- Adherence to style standards
- Common security anti-patterns
- Test coverage for new code
- Documentation completeness

### Stage 2: AI-Powered Analysis
Claude reviews for:
- Logical correctness and edge cases
- Performance implications
- Database query efficiency
- Architectural alignment
- API contract compliance

### Stage 3: Human Domain Review
Humans focus on:
- Business logic correctness
- Product implications
- Team communication
- Knowledge implications
- Architectural decisions

### Stage 4: Integration Testing
Automated pipeline validates:
- All tests pass
- No performance regression
- Deployment readiness
- Monitoring alerts configured

// claude-review.config.js
module.exports = {
  review: {
    enabled: true,
    triggerOn: ['pull_request', 'manual_request'],

    checks: {
      syntax: {
        enabled: true,
        strict: true
      },
      security: {
        enabled: true,
        failOn: ['critical', 'high'],
        scanDependencies: true
      },
      performance: {
        enabled: true,
        warnOn: ['O(n²)', 'unbounded_loops', 'large_allocations']
      },
      testing: {
        enabled: true,
        minCoverage: 80,
        expectTestsForNewCode: true
      },
      documentation: {
        enabled: true,
        requireJSDoc: true,
        requireReadmeUpdates: true
      }
    },

    output: {
      format: 'github-comments',
      groupBy: 'file',
      includeSuggestions: true,
      includeExamples: false
    },

    workflow: {
      autoApproveIfPassing: false, // Humans must still approve
      requestChangesIfCriticalIssues: true,
      commentOnMinorIssues: true
    }
  }
};

## Guided Development Pattern

### The Setup
- Junior developer: Writes the code
- Claude Code: Provides real-time suggestions
- Senior developer: Reviews the pair's output

### Benefits
- Junior learns why suggestions are made
- Code quality high from the beginning
- Senior reviews cleaner code
- Knowledge transfer happens naturally

### Example Session
1. Junior writes initial implementation
2. Claude suggests improvements with explanations
3. Junior decides whether to accept suggestions
4. Both understand the rationale for changes
5. Senior reviews the thought process, not just the code

## Distributed Pairing Setup

```typescript
// shared-development-context.ts
// Team members share context through version-controlled file

const sharedContext = {
  currentTask: "Implement user authentication",
  requirements: [
    "OAuth2 integration with GitHub",
    "Role-based access control",
    "Session management with Redis"
  ],
  constraints: [
    "Must work with existing database schema",
    "Performance: <100ms login",
    "Support multi-region deployment"
  ],
  participants: [
    { name: "Alice", timezone: "PST", focus: "Backend" },
    { name: "Bob", timezone: "CET", focus: "Frontend" }
  ],
  decisionLog: [
    "2024-02-20: Chose JWT over session tokens",
    "2024-02-21: Adding Redis for rate limiting"
  ]
};
```

## Expert + Claude Pattern

### The Workflow
1. Senior architect defines requirements precisely
2. Claude implements based on requirements
3. Senior does final review and polish
4. Code ships with high velocity

### Key Success Factor
Clear, detailed requirements. The better the requirements,
the better Claude's output.

### Example
Senior: "Build a user service that handles:
  - User creation with email validation
  - Password reset via email token
  - Soft deletes with recovery
  - Audit logging
  - Rate limiting (100 req/min per IP)"

Claude: Generates complete, tested implementation
Senior: Reviews, adds business logic touches, ships

// security-policy.js
module.exports = {
  dataClassification: {
    public: {
      accessible: true,
      examples: ['public APIs', 'documentation']
    },
    internal: {
      accessible: true,
      examples: ['internal tools', 'dev documentation']
    },
    confidential: {
      accessible: false,
      mask: true,
      examples: ['customer data', 'API keys', 'financial data']
    },
    restricted: {
      accessible: false,
      mask: true,
      logAccess: true,
      requireApproval: true,
      examples: ['security credentials', 'compliance data']
    }
  },

  filePatterns: {
    blocked: [
      '.env*',
      '*.pem',
      '*.key',
      'secrets/**',
      'credentials/**'
    ],
    masked: [
      'database.js',
      'config/production.js'
    ],
    audited: [
      'src/auth/**',
      'src/payments/**'
    ]
  },

  operations: {
    canRead: ['public', 'internal'],
    canWrite: ['internal'],
    canDelete: false,
    canAccessSecrets: false,
    canExecuteArbitraryCode: false
  }
};

// audit-logger.ts
interface AuditLog {
  timestamp: string;
  userId: string;
  action: 'read' | 'write' | 'delete' | 'execute';
  resource: string;
  classification: 'public' | 'internal' | 'confidential' | 'restricted';
  dataAccessed: string[];
  result: 'success' | 'blocked' | 'error';
  reason?: string;
  metadata: Record<string, any>;
}

class AuditLogger {
  async logAccess(log: AuditLog): Promise<void> {
    // Store in compliance-approved storage
    await this.firestore.collection('audit-logs').add(log);

    // Alert on sensitive operations
    if (log.classification === 'restricted' && log.result === 'success') {
      await this.notifySecurityTeam(log);
    }

    // Track metrics
    this.metrics.increment(`claude-code.${log.action}`, {
      classification: log.classification,
      result: log.result
    });
  }
}

// rbac-configuration.js
const roles = {
  junior_developer: {
    canUseClaudeCode: true,
    canAccessPublicCode: true,
    canAccessInternalCode: true,
    canAccessConfidential: false,
    needsCodeReview: true,
    maxTokensPerDay: 100000
  },

  senior_developer: {
    canUseClaudeCode: true,
    canAccessPublicCode: true,
    canAccessInternalCode: true,
    canAccessConfidential: true,
    needsCodeReview: false,
    canApproveCodeReviews: true,
    maxTokensPerDay: 500000
  },

  security_engineer: {
    canUseClaudeCode: true,
    canAccessPublicCode: true,
    canAccessInternalCode: true,
    canAccessConfidential: true,
    canAccessSecurityLogs: true,
    auditAllOperations: true
  },

  manager: {
    canUseClaudeCode: false,
    canViewAnalytics: true,
    canViewAuditLogs: true
  }
};

// productivity-metrics.js
const metrics = {
  // Development Velocity
  'code-review-time': {
    unit: 'hours',
    baseline: 24,
    target: 4,
    improvement: 'Faster feedback enables faster shipping'
  },

  'time-to-code-review': {
    unit: 'minutes',
    baseline: 480, // 8 hours
    target: 60,
    improvement: 'Claude provides immediate pre-review'
  },

  // Code Quality
  'bugs-per-thousand-lines': {
    unit: 'count',
    baseline: 15,
    target: 5,
    improvement: 'AI catches edge cases humans miss'
  },

  'test-coverage': {
    unit: 'percent',
    baseline: 65,
    target: 85,
    improvement: 'Tests generated alongside code'
  },

  // Developer Satisfaction
  'developer-satisfaction': {
    unit: 'nps',
    baseline: 0,
    target: 50,
    measurement: 'Regular surveys'
  },

  'time-on-boring-tasks': {
    unit: 'percent',
    baseline: 40,
    target: 15,
    improvement: 'Automation frees time for interesting work'
  }
};

// metrics-dashboard.ts
interface MetricsDashboard {
  period: 'week' | 'month' | 'quarter';
  codeReviewMetrics: {
    avgReviewTime: number;
    codeQualityScore: number;
    issuesFoundByAI: number;
    issuesFoundByHumans: number;
  };
  productivityMetrics: {
    deploymentFrequency: number;
    timeToMerge: number;
    testCoverage: number;
    bugRate: number;
  };
  usageMetrics: {
    activeUsers: number;
    requestsPerDay: number;
    tokenUtilization: number;
  };
  teamMetrics: {
    developerSatisfaction: number;
    timeOnCreativeWork: number;
    knowledgeSharing: number;
  };
}

## Enterprise Claude Code Governance Structure

### Claude Code Council
- **Purpose**: Oversee Claude Code adoption and standards
- **Members**: Tech leads from each team + security lead
- **Frequency**: Monthly meetings
- **Decisions**:
  - Approve new use cases
  - Update company-wide standards
  - Resolve conflicts between team policies
  - Allocate token budgets

### Team Implementation
- Each team maintains their CLAUDE.md
- Aligned with company standards
- Team autonomy within guardrails
- Escalate violations to Council

### Security & Compliance
- Central audit logging
- Regular security reviews
- Incident response procedures
- Compliance certification

## Enterprise Knowledge Sharing

### Weekly Knowledge Sync
- Each team shares Claude Code wins and challenges
- Cross-team learning from different use cases
- Problem-solving collaboration

### Shared Prompt Library
```
/prompts
  /code-review
    - security-scan.md
    - performance-optimization.md
  /testing
    - edge-case-generation.md
  /documentation
    - api-doc-generation.md
  /refactoring
    - complexity-reduction.md
```

### Best Practices Documentation
- Link to successful patterns across teams
- Document anti-patterns to avoid
- Case studies of transformative use cases