Add complete POP3 to Gmail forwarder implementation
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
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copilot-swe-agent[bot]
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# Roadmap
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## Vision
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Create a robust, scalable, and user-friendly POP3 to Gmail forwarding solution that serves as a complete replacement for Gmail's discontinued POP3 import feature.
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---
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## Current Status: MVP Complete ✅
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The MVP includes:
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- Multiple POP3 account support
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- Gmail forwarding via SMTP
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- Error notifications via Postmarkapp
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- Docker deployment
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- Rate limiting and throttling
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- Comprehensive documentation
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---
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## Short Term (Next 3 months)
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### v1.1 - Enhanced Reliability
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**Priority: High**
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- [ ] **Persistent State Management**
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- SQLite database to track processed emails
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- Prevent duplicate forwarding
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- Resume after failures
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- [ ] **Advanced Retry Logic**
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- Exponential backoff for failed forwards
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- Dead letter queue for repeatedly failed emails
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- Configurable retry attempts
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- [ ] **Health Monitoring**
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- Health check endpoint for container orchestration
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- Prometheus metrics export
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- Status dashboard (simple web UI)
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- [ ] **Enhanced Error Handling**
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- Categorize errors (transient vs permanent)
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- Different notification strategies per error type
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- Circuit breaker for failing POP3 accounts
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### v1.2 - User Experience
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**Priority: Medium**
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- [ ] **Web Configuration UI**
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- Add/remove POP3 accounts without editing files
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- Test connections before saving
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- View forwarding statistics
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- Simple React/Vue.js frontend
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- [ ] **Better Logging**
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- Structured JSON logging
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- Log rotation
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- Searchable log viewer
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- Export logs for analysis
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- [ ] **Email Filtering**
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- Basic rules (sender, subject, size)
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- Whitelist/blacklist
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- Regular expression matching
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- Forward only matching emails
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---
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## Medium Term (3-6 months)
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### v2.0 - Advanced Features
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**Priority: Medium**
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- [ ] **Multiple Destinations**
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- Route different POP3 accounts to different Gmail addresses
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- CC/BCC support
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- Conditional routing based on rules
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- [ ] **OAuth2 Support**
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- Gmail OAuth2 instead of App Passwords
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- More secure authentication
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- Better user experience
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- [ ] **Attachment Handling**
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- Preserve attachments properly
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- Size limits
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- Virus scanning integration
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- Cloud storage integration (Google Drive)
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- [ ] **Advanced Throttling**
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- Per-account rate limits
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- Time-of-day scheduling
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- Burst mode support
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- Gmail quota monitoring
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### v2.1 - Email Management
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**Priority: Low**
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- [ ] **Email Archiving**
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- Optional local backup before forwarding
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- Export to mbox format
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- Search archived emails
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- Retention policies
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- [ ] **HTML Email Support**
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- Preserve HTML formatting
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- Inline images
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- CSS processing
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- [ ] **Email Threading**
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- Maintain conversation threads
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- In-Reply-To headers
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- References preservation
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---
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## Long Term (6-12 months)
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### v3.0 - Enterprise Features
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**Priority: Low**
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- [ ] **Multi-tenancy**
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- Support multiple users/teams
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- Per-user configuration
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- User management
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- API for integration
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- [ ] **High Availability**
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- Kubernetes deployment manifests
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- Horizontal scaling
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- Leader election for distributed deployment
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- Failover support
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- [ ] **Advanced Security**
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- Secrets management (Vault integration)
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- Encryption at rest
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- Audit logging
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- SSO/SAML support
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- [ ] **Compliance**
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- GDPR compliance features
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- Email retention policies
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- Data export capabilities
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- Privacy controls
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### v3.1 - Integration & Extensibility
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**Priority: Low**
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- [ ] **Webhook Support**
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- Notify external systems on events
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- Custom notification channels (Slack, Discord, Teams)
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- Integration with monitoring systems
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- [ ] **Plugin System**
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- Custom email processors
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- Custom notification handlers
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- Custom storage backends
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- [ ] **API**
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- RESTful API for all operations
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- Webhook configuration
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- Stats and metrics
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- Email search
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---
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## Future Considerations
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### Performance Optimizations
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- Parallel processing of multiple POP3 accounts
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- Connection pooling
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- Caching layer
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- Batch processing
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### Additional Protocols
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- IMAP support (not just POP3)
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- Exchange/EWS support
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- Microsoft Graph API
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- Direct Gmail API integration
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### Cloud Native Features
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- Helm charts for Kubernetes
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- Terraform modules
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- Cloud provider integrations (AWS SES, SendGrid)
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- Serverless deployment option (Lambda, Cloud Functions)
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### Machine Learning
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- Smart spam filtering
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- Email categorization
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- Priority detection
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- Anomaly detection
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### Mobile Support
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- React Native mobile app
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- Push notifications to mobile devices
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- Mobile configuration
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- On-the-go management
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---
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## Community & Ecosystem
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### Documentation
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- [ ] Video tutorials
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- [ ] Interactive setup wizard
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- [ ] Migration guides from Gmail POP3 import
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- [ ] Best practices guide
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- [ ] Performance tuning guide
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### Community
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- [ ] Discord/Slack community
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- [ ] Regular release schedule
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- [ ] Contributor guidelines
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- [ ] Code of conduct
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- [ ] Security disclosure policy
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### Compatibility
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- [ ] Support for more email providers
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- [ ] Test suite for major POP3 providers
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- [ ] Compatibility matrix
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- [ ] Provider-specific configurations
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---
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## Release Schedule
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- **v1.1**: +1 month (Enhanced Reliability)
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- **v1.2**: +2 months (User Experience)
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- **v2.0**: +3 months (Advanced Features)
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- **v2.1**: +4 months (Email Management)
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- **v3.0**: +6 months (Enterprise Features)
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- **v3.1**: +9 months (Integration & Extensibility)
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---
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## Contributing
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We welcome contributions! Areas where help is needed:
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1. **Testing**: Help test with different email providers
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2. **Documentation**: Improve guides and tutorials
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3. **Features**: Implement items from the roadmap
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4. **Bug Fixes**: Fix issues as they arise
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5. **Performance**: Optimize slow operations
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6. **Security**: Security audits and improvements
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See [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.
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---
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## Feedback
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This roadmap is a living document. We welcome feedback:
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- Open an issue with suggestions
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- Join discussions in GitHub Discussions
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- Propose new features via pull requests
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- Vote on existing feature requests
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---
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## Decision Framework
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Features are prioritized based on:
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1. **User Impact**: How many users benefit?
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2. **Complexity**: Development and maintenance effort
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3. **Security**: Does it improve security?
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4. **Reliability**: Does it improve reliability?
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5. **Community Requests**: What are users asking for?
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---
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*Last Updated: 2026-02-01*
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