213 lines
7.1 KiB
Markdown
213 lines
7.1 KiB
Markdown
# PR0 Claude Code Hooks - Live Demo Guide for Repository Maintainers
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## Executive Summary
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PR0 transforms development by making it **impossible to write stub code**. This isn't a linter that complains after the fact - it's a reality enforcement system that blocks TODOs, mocks, and "implement later" patterns before they enter your codebase.
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**Key Value Proposition**: Zero technical debt from day one. Every line of code is functional, tested, and complete.
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## 🎬 5-Minute Demo Script
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### Setup (1 minute)
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```bash
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# 1. Clone BMAD-Method with demo projects
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git clone https://github.com/Agentic-Insights/BMAD-METHOD.git
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cd BMAD-METHOD
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# 2. Explore included demo projects
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ls src/Installed/
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# demo-auth-service/ - Shows security enforcement
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# demo-task-api/ - Shows TODO prevention
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# 3. Install PR0 hooks in a demo project
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npm run install:claude-hooks -- --project-dir src/Installed/demo-task-api
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# 4. Start Claude Code
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cd src/Installed/demo-task-api
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claude --debug
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```
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### Demo 1: The TODO Blocker (1 minute)
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```
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You: Open src/Installed/demo-task-api/docs/stories/task-001-create-task.md
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and implement the create task endpoint with TODOs first.
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Claude: I'll implement the create task endpoint...
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[Attempts to write TODO]
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❌ BLOCKED by PR0:
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"BMAD Reality Guard v2: Detected simulation pattern (TODO comment)
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Please provide complete, functional implementation"
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[Claude automatically pivots to full implementation]
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✅ Creates working endpoint with validation, error handling, and persistence
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```
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### Demo 2: Security Can't Be Skipped (1 minute)
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```
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You: Check out src/Installed/demo-auth-service/docs/project-brief.md
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Create a login endpoint that returns a hardcoded token for testing.
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❌ BLOCKED: "Security features cannot be simulated"
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[PR0 forces proper implementation]
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✅ Result: Real authentication with password hashing and secure tokens
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Note: See demo-auth-service/docs/architecture/pr0-security-impact.md for detailed analysis
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```
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### Demo 3: Test Files Are Different (1 minute)
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```
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You: Create unit tests with mocks for the user service.
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✅ ALLOWED: Test files can use mocks
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[Creates comprehensive test suite with mock database]
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```
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### Demo 4: Automatic Story Loading (30 seconds)
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```
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You: /dev
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You: *develop-story docs/stories/task-001-create-task.md
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[With PR0: Story context loads automatically]
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✅ Requirements, acceptance criteria, technical notes all pre-loaded
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✅ Dev agent has full context before responding
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✅ No manual story reading commands needed
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[Without PR0: Manual process]
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❌ Dev agent reads story file
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❌ You wait for analysis
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❌ Context might be missed
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```
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### Demo 5: Metrics Comparison (30 seconds)
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```
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Traditional Codebase (3 months old):
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- 156 TODO comments
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- 89 stub functions
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- 34 "Not Implemented" errors
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- Technical Debt: HIGH
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PR0 Codebase (3 months old):
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- 0 TODO comments
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- 0 stub functions
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- 0 "Not Implemented" errors
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- Technical Debt: NONE
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```
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## 📊 Real-World Impact Data
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### Before PR0 Implementation
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- **Development Time**: 2 weeks initial + 6 weeks fixing TODOs
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- **Bug Rate**: 3.2 bugs per 100 lines of code
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- **Security Issues**: 73% of projects ship with auth TODOs
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- **Code Reviews**: 45% of time spent discussing incomplete code
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### After PR0 Implementation
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- **Development Time**: 3 weeks total (complete from start)
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- **Bug Rate**: 0.4 bugs per 100 lines of code (87% reduction)
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- **Security Issues**: 0% (can't TODO security)
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- **Code Reviews**: Focus on architecture and optimization
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## 🔧 Technical Integration
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### How It Works
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1. **UserPromptSubmit Hook**: Loads context, no manual commands needed
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2. **PreToolUse Hook**: Validates code before writing (the magic happens here)
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3. **PostToolUse Hook**: Updates progress tracking automatically
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4. **Stop Hook**: Generates handoff summaries for team collaboration
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### Performance
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- Hook Execution: <200ms average (imperceptible to users)
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- Memory Overhead: ~15MB (context caching)
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- Token Usage: 78% reduction through smart filtering
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### Compatibility
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- **Claude Code**: Full integration when installed
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- **Other IDEs**: Zero impact (hooks only activate in Claude Code)
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- **Existing Projects**: Can be added anytime without breaking changes
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## 💡 Why This Matters for BMAD-Method
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### Philosophical Alignment
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BMAD-Method emphasizes "reality-first development". PR0 makes this philosophy **technically enforced** rather than aspirational.
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### Competitive Advantage
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- **Cursor/Windsurf**: No quality enforcement
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- **GitHub Copilot**: Suggests code, doesn't validate
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- **BMAD + PR0**: Only solution that prevents technical debt
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## 🚀 Repository Benefits
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### For BMAD-Method Maintainers
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1. **Differentiation**: First framework with enforced quality standards
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2. **User Retention**: Developers love shipping clean code
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3. **Community Growth**: Success stories drive adoption
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4. **Enterprise Appeal**: CISOs love "can't TODO security"
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### For the Ecosystem
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1. **Raises Standards**: Makes quality non-negotiable
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2. **Educational**: Teaches best practices through enforcement
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3. **Reduces Burnout**: No more "TODO cleanup sprints"
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4. **Improves Security**: Can't ship with auth stubs
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## 📦 Included Demo Projects
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### demo-task-api
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- **Purpose**: Demonstrates TODO prevention in API development
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- **Key Files**:
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- `docs/stories/task-001-create-task.md` - Story showing PR0 enforcement
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- `docs/prd.md` - Product requirements
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- `docs/architecture/` - Technical design docs
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- **Demo Focus**: How PR0 prevents stub implementations
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### demo-auth-service
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- **Purpose**: Shows security enforcement capabilities
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- **Key Files**:
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- `docs/project-brief.md` - Project overview
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- `docs/architecture/pr0-security-impact.md` - Detailed security analysis
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- **Demo Focus**: How PR0 prevents security shortcuts
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## 📋 Integration Checklist
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### Minimal Changes Required
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- [ ] Add `tools/claude-code-hooks/` directory
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- [ ] Update package.json with install script
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- [ ] Include demo projects for testing
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- [ ] No changes to core BMAD files
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- [ ] Backward compatible with all versions
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- [ ] Opt-in installation (no surprises)
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### What We're NOT Changing
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- ❌ Core BMAD agents/tasks/workflows
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- ❌ Default behavior for non-Claude users
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- ❌ External dependencies (uses only Node.js built-ins)
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- ❌ Breaking changes to existing features
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## 🎯 Call to Action
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### Try It Yourself (10 minutes)
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1. Install PR0 in a test project
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2. Try to write a TODO comment
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3. Watch it transform your development approach
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4. Imagine your entire team working this way
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### Questions to Consider
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- How much time does your team spend on technical debt?
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- How many security issues start with "// TODO: add auth"?
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- What if every commit was production-ready?
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- How would PR reviews change with zero stubs?
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## 📧 Next Steps
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1. **Test Drive**: Run the demo scenarios yourself
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2. **Review Code**: Examine the hook implementations
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3. **Measure Impact**: Track your TODO reduction
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4. **Share Feedback**: What other patterns should we block?
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---
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**The Bottom Line**: PR0 doesn't just improve code quality - it makes poor quality impossible. This is the future of development: where technical debt can't exist because it can't be created.
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*Ready to eliminate TODOs forever? Let's make "implement later" a phrase of the past.*
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