187 lines
6.8 KiB
Markdown
187 lines
6.8 KiB
Markdown
# Feature Development Journey
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This document maps the complete journey of a Developer implementing features using the BMAD Method.
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## Persona Profile: Developer
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**Name**: David (Developer)
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**Role**: Full-Stack Developer
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**Experience**: 4+ years in software development
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**Goals**:
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- Understand feature requirements clearly
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- Implement high-quality code efficiently
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- Integrate with existing systems seamlessly
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- Meet acceptance criteria and deadlines
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**Pain Points**:
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- Ambiguous or changing requirements
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- Technical debt and legacy code constraints
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- Integration challenges with external systems
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- Balancing quality with delivery timelines
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## Journey Map
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\```mermaid title="Feature Development Journey" type="diagram"
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journey
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title Feature Development User Journey
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section Preparation
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Receive feature assignment: 3
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Review requirements: 3
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Plan implementation approach: 4
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section Development
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Set up development environment: 3
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Implement core functionality: 4
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Write tests: 3
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Refactor and optimize: 4
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section Validation
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Self-review code: 4
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Run quality checks: 3
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Fix identified issues: 3
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section Delivery
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Submit for review: 2
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Address feedback: 3
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Complete documentation: 4
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Merge and deploy: 5
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\```
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## Detailed Journey Stages
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### 1. Preparation Phase
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#### Entry Point
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- Feature assignment from sprint planning
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- Task from project management system
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- Bug fix or enhancement request
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#### Key Touchpoints
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- **Feature Specification**: Detailed requirements document
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- **BMAD Developer Persona**: Guidance on implementation approach
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- **Technical Design Document**: Architecture and integration details
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#### Decision Points
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- **Implementation Approach**: Choosing technology and patterns
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- **Solution**: Implementation strategy template with decision tree
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- **Success Metric**: 90% of approaches approved without revision
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#### Pain Points
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- **Unclear Requirements**: Missing details or ambiguous specifications
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- **Solution**: Requirement clarification workflow with PO persona
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- **Success Metric**: Reduction in requirement-related questions
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- **Technical Constraints**: Legacy system limitations
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- **Solution**: Technical constraint analysis template
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- **Success Metric**: All constraints identified before coding begins
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### 2. Development Phase
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#### Key Touchpoints
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- **Code Generation**: AI-assisted implementation
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- **Testing Framework**: Test case creation and execution
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- **Code Optimization**: Performance and quality improvements
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#### Decision Points
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- **Technical Tradeoffs**: Balancing quality, performance, and time
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- **Solution**: Decision matrix for evaluating tradeoffs
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- **Success Metric**: Documented rationale for all significant decisions
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#### Pain Points
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- **Integration Challenges**: Difficulties connecting with other systems
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- **Solution**: Integration pattern library and troubleshooting guide
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- **Success Metric**: 50% reduction in integration-related delays
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- **Technical Roadblocks**: Unexpected implementation challenges
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- **Solution**: Problem-solving workflow with architect persona
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- **Success Metric**: Average resolution time under 4 hours
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### 3. Validation Phase
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#### Key Touchpoints
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- **Code Review Checklist**: Self-assessment of code quality
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- **Automated Testing**: Running comprehensive test suite
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- **Quality Metrics**: Measuring code against standards
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#### Decision Points
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- **Quality vs. Timeline**: When to refactor vs. when to ship
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- **Solution**: Quality threshold guidelines with examples
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- **Success Metric**: 95% of features meet quality standards on first review
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#### Pain Points
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- **Test Coverage Gaps**: Identifying untested scenarios
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- **Solution**: Test coverage analysis and recommendation tool
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- **Success Metric**: 90%+ test coverage for critical functionality
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- **Performance Issues**: Unexpected performance bottlenecks
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- **Solution**: Performance optimization patterns and guidelines
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- **Success Metric**: All features meet performance benchmarks
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### 4. Delivery Phase
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#### Key Touchpoints
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- **Pull Request Template**: Standardized submission format
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- **Code Review Process**: Structured feedback mechanism
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- **Documentation Generator**: Automated documentation creation
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- **Deployment Checklist**: Pre-deployment verification
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#### Decision Points
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- **Release Readiness**: Determining if feature is ready for production
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- **Solution**: Release readiness assessment framework
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- **Success Metric**: Zero critical issues found post-release
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#### Pain Points
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- **Review Feedback Volume**: Overwhelming number of change requests
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- **Solution**: Prioritized feedback categorization system
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- **Success Metric**: Average review resolution time under 1 day
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- **Documentation Burden**: Time-consuming documentation requirements
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- **Solution**: AI-assisted documentation generation
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- **Success Metric**: 70% reduction in documentation time
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## Emotional Journey
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\```mermaid title="Emotional Journey" type="diagram"
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journey
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title Emotional Journey - Feature Development
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section Preparation
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Interest in new challenge: 4
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Concern about requirements clarity: 2
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Confidence after planning: 4
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section Development
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Flow state during coding: 5
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Frustration with obstacles: 2
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Satisfaction with solutions: 4
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section Validation
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Anxiety during testing: 3
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Disappointment with issues found: 2
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Relief after fixes: 4
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section Delivery
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Nervousness during review: 2
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Stress addressing feedback: 3
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Pride in completed feature: 5
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\```
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## Success Metrics
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| Metric | Target | Measurement Method |
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|--------|--------|-------------------|
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| First-time Pass Rate | > 80% | Code review statistics |
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| Development Time | Within 10% of estimate | Time tracking analysis |
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| Test Coverage | > 90% for critical paths | Automated test reports |
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| Technical Debt Added | < 5% of code volume | Static analysis tools |
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| Post-release Bugs | < 1 per 100 lines of code | Defect tracking system |
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## Journey Optimization Opportunities
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1. **AI-Enhanced Code Generation**: Accelerate implementation of standard patterns
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2. **Automated Test Creation**: Generate test cases from requirements
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3. **Intelligent Code Review**: Prioritize feedback based on impact
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4. **Predictive Issue Detection**: Identify potential problems before they occur
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5. **Documentation Automation**: Generate technical documentation from code
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## Next Steps in User Journey
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After completing the feature development journey, Developers typically proceed to:
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1. [Feature Enhancement Journey](feature-enhancement.md) - Improving existing functionality
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2. [Bug Resolution Journey](bug-resolution.md) - Addressing reported issues
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3. [Technical Debt Reduction Journey](technical-debt-reduction.md) - Improving code quality
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---
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*The feature development journey is the core workflow for implementing functionality and delivering value through the BMAD Method.*
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