pan

PAN v1.0 Release Roadmap

Current Status: v0.1.0 → v1.0.0

PAN is currently at v0.1.0 with a solid foundation. This document outlines what’s needed to reach v1.0.0 - a stable, production-ready release.

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✅ What We Have (v0.1.0)

Core Infrastructure

• ✅ pan-bus - Working message bus with CustomEvents
• ✅ pan-client - Client API for publish/subscribe/request
• ✅ pan-autoload - Automatic component loading
• ✅ Retained messages - State persistence for late joiners
• ✅ Request/Reply - Async request-response pattern

Component Library (40+ components)

• ✅ Core (3) - bus, client, autoload
• ✅ UI (10) - Cards, modals, dropdowns, tabs, pagination, etc.
• ✅ Components (28+) - Markdown editor, file manager, data tables, charts, forms, theme system
• ✅ Data (1) - Invoice store (state management pattern)
• ✅ App (6) - Invoice and devtools components

Demo Applications

• ✅ Invoice creator (contenteditable, localStorage, multi-invoice)
• ✅ Markdown notes (OPFS file system, live preview)
• ✅ Contact manager
• ✅ Data browser

Documentation

• ✅ Comprehensive README.md
• ✅ PAN_SPEC.v1.md (protocol specification)
• ✅ LARC_ROADMAP.md (feature roadmap)
• ✅ Component-specific docs (MARKDOWN_SYSTEM.md, THEME_SYSTEM.md)
• ✅ REORGANIZATION.md (architecture guide)
• ✅ Individual README files for each directory

Project Structure

• ✅ Clean, organized top-level structure
• ✅ Clear component layering (core → ui → components → data → app)

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❌ What’s Missing for v1.0

1. Testing & Quality Assurance 🔴 CRITICAL

Current: Only 1 test file (02-todos.spec.ts)

Needed:

• Core tests - pan-bus, pan-client, pan-autoload
  • Message delivery
  • Topic matching and wildcards
  • Retained messages
  • Request/reply timeout handling
  • Multiple bus instances
  • Memory leak prevention
• Component tests - At least for critical components
  • pan-markdown-editor (editing, toolbar, keyboard shortcuts)
  • pan-files (OPFS operations)
  • pan-theme-provider (theme switching)
  • pan-data-table (sorting, filtering)
• Integration tests - End-to-end scenarios
  • Invoice app workflow
  • Markdown notes workflow
• Cross-browser tests - Chrome, Firefox, Safari, Edge
• Performance tests - Message throughput, large datasets

Target: 80%+ code coverage for core, 60%+ for components

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2. Browser Compatibility Matrix 🟡 HIGH PRIORITY

Needed:

• Document supported browsers and versions
  • Chrome/Edge (version X+)
  • Firefox (version Y+)
  • Safari (version Z+)
  • Mobile browsers
• Test and document which features need polyfills
  • Shadow DOM
  • CustomElements
  • OPFS (File System Access API)
  • CSS custom properties
• Add polyfill recommendations to docs
• Create compatibility table in README

Target: Support last 2 major versions of all modern browsers

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3. API Stability & Versioning 🔴 CRITICAL

Needed:

• API freeze - Lock down core APIs
  • PanClient interface
  • PanMessage envelope format
  • Core topic conventions
  • pan-bus CustomEvent names
• Breaking change review - Identify and document any breaking changes from v0.x
• Migration guide - If breaking changes exist
• Semantic versioning commitment - Document versioning policy
  • Major: Breaking changes
  • Minor: New features, backward compatible
  • Patch: Bug fixes

Target: No breaking changes in minor versions after 1.0

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4. Performance Benchmarks & Optimization 🟡 HIGH PRIORITY

Needed:

• Benchmark suite
  • Message throughput (messages/second)
  • Subscribe/unsubscribe performance
  • Retained message retrieval time
  • Large dataset rendering (10k+ rows)
  • Memory usage over time
• Performance documentation
  • Expected performance characteristics
  • Best practices for performance
  • Common pitfalls
• Optimization pass
  • Profile and optimize hot paths
  • Reduce memory allocations
  • Optimize topic matching

Target: 10k+ messages/second, <100ms for retained message replay

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5. Security Guidelines 🟡 HIGH PRIORITY

Needed:

• Security documentation
  • XSS prevention in components
  • CSRF considerations
  • Content Security Policy compatibility
  • localStorage security implications
• Sanitization helpers - For user-generated content
• Security audit - Review critical components
  • pan-markdown-renderer (XSS in markdown)
  • pan-files (path traversal in OPFS)
  • Any components handling user input
• Security best practices guide

Target: No known security vulnerabilities in core

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6. Production Examples & Templates 🟢 NICE TO HAVE

Needed:

• Production starter template
  • Build setup (optional)
  • Testing setup
  • Deployment config
  • CI/CD example
• Real-world app example - Beyond demos
  • Authentication/authorization
  • API integration
  • Error handling
  • Loading states
• Integration examples
  • React wrapper
  • Vue wrapper
  • Svelte wrapper
  • Angular wrapper

Target: At least 1 production-ready template

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7. Developer Experience 🟡 HIGH PRIORITY

Needed:

• JSDoc comments - In all core source code (aligned with “no build” philosophy)
  • PanBus class methods
  • PanClient class methods
  • PanMessage envelope format
  • Common topic patterns
  • Provides IDE autocomplete/intellisense without requiring TypeScript
• IDE support - VS Code snippets, extensions
• Better error messages - Clear, actionable errors
• Debugging guide - Common issues and solutions
• Migration tools - If needed for v0.x → v1.0
• TypeScript definitions (.d.ts files) - Nice to have for TypeScript users, but JSDoc is sufficient

Target: Smooth onboarding experience without requiring a build process

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8. Documentation Completeness 🟡 HIGH PRIORITY

Needed:

• API reference - Complete API docs for all public APIs
• Component catalog - Visual catalog of all components
• Tutorial series - Step-by-step guides
  • Building your first PAN app
  • State management patterns
  • Testing PAN components
  • Performance optimization
• Architecture guide - Detailed explanation of design decisions
• FAQ - Common questions and answers
• Troubleshooting guide - Common issues and solutions

Target: Complete, searchable documentation

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9. Accessibility (a11y) 🟡 HIGH PRIORITY

Needed:

• Accessibility audit - All UI components
  • ARIA labels
  • Keyboard navigation
  • Screen reader support
  • Focus management
• Accessibility guidelines - For component authors
• a11y examples - Demonstrating best practices
• Automated a11y tests - In CI pipeline

Target: WCAG 2.1 Level AA compliance for UI components

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10. Package Distribution 📦 HIGH PRIORITY

Needed:

• npm packages - Publish core packages
  • @larc/pan-bus
  • @larc/pan-client
  • @larc/components (or individual component packages)
• CDN distribution - unpkg, jsdelivr
• Bundle optimization - Tree-shakeable builds
• Package documentation - Installation, usage
• SemVer policy - Documented versioning

Target: Easy installation via npm/cdn

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11. Community & Contribution 🟢 NICE TO HAVE

Needed:

• CONTRIBUTING.md - Contribution guidelines
• CODE_OF_CONDUCT.md - Community guidelines
• Issue templates - Bug report, feature request
• PR templates - Pull request checklist
• Roadmap - Public roadmap for future versions
• Changelog - Detailed changelog with migration notes

Target: Welcoming contributor experience

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v1.0 Release Checklist

Must Have (Blockers)

• Core API stability (no breaking changes)
• Core tests (80%+ coverage)
• Browser compatibility documented
• Security audit complete
• Performance benchmarks established
• JSDoc comments in all core source code
• Complete API reference
• Migration guide (if needed)

Should Have

• Component tests (60%+ coverage)
• Accessibility audit
• npm packages published
• Developer tools (inspector enhancements)
• Production template
• JSDoc comments in all components

Nice to Have

• TypeScript definitions (.d.ts files) for TypeScript users
• Framework integration examples
• Community guidelines
• Advanced tutorials
• Video tutorials

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Proposed Milestones

Milestone 1: Testing & Stability (2-3 weeks)

Goal: Comprehensive test coverage and API stability

• Write core tests (pan-bus, pan-client)
• Write component tests (critical components)
• Fix any bugs discovered during testing
• Lock down core APIs

Milestone 2: Documentation & DX (2 weeks)

Goal: Complete documentation and great developer experience

• Write complete API reference
• Add JSDoc comments to all core source code
• Write tutorials and guides
• Improve error messages

Milestone 3: Browser Compat & Performance (1-2 weeks)

Goal: Production-ready performance and compatibility

• Test across all major browsers
• Create compatibility matrix
• Run performance benchmarks
• Optimize hot paths

Milestone 4: Security & Accessibility (1-2 weeks)

Goal: Secure and accessible

• Security audit
• Fix any vulnerabilities
• Accessibility audit
• Add ARIA labels where needed

Milestone 5: Polish & Release (1 week)

Goal: Final polish and release

• Final bug fixes
• Update all documentation
• Create release notes
• Publish npm packages
• Announce v1.0

Total Timeline: 7-10 weeks

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Version 1.x Roadmap (Post v1.0)

v1.1 - Enhanced Developer Tools

• Advanced inspector features (time travel, latency analysis)
• Chrome DevTools extension
• Better debugging tools

v1.2 - Advanced Data Management

• IndexedDB cache layer
• Offline-first patterns
• Sync/conflict resolution

v1.3 - Real-time Features

• WebSocket/SSE integration
• Real-time collaboration primitives
• Presence awareness

v1.4 - Advanced Components

• Rich text editor
• Spreadsheet component
• Diagram/flowchart component
• Calendar/scheduling component

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Success Criteria for v1.0

A successful v1.0 release means:

1. Stability - Core APIs are stable and tested
2. Performance - Meets or exceeds performance targets
3. Documentation - Complete and easy to follow
4. Compatibility - Works in all major browsers
5. Security - No known vulnerabilities
6. Accessibility - UI components are accessible
7. Developer Experience - Easy to get started
8. Production Ready - Used in at least one production app

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Get Involved

Want to help get PAN to v1.0? Here’s how:

• Testing - Write tests for core or components
• Documentation - Improve docs, write tutorials
• Browser Testing - Test on different browsers/devices
• Security Review - Review code for security issues
• Performance - Profile and optimize
• Examples - Build demo apps, templates

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Current Version: v0.1.0 Target Version: v1.0.0 Last Updated: October 2024

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