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302 lines
8.2 KiB
Markdown
302 lines
8.2 KiB
Markdown
# DASH-001: Tabbed Navigation System
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## Overview
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Replace the current single-view dashboard with a proper tabbed interface. This is the foundation task that enables all other dashboard improvements.
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## Context
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The current Noodl editor dashboard (`projectsview.ts`) uses a basic pane-switching mechanism with jQuery. A new launcher is being developed in `packages/noodl-core-ui/src/preview/launcher/` using React, which already has a sidebar-based navigation but needs proper tab support for the main content area.
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This task focuses on the **new React-based launcher** only. The old jQuery launcher will be deprecated.
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## Current State
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### Existing New Launcher Structure
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```
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packages/noodl-core-ui/src/preview/launcher/
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├── Launcher/
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│ ├── Launcher.tsx # Main component with PAGES array
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│ ├── components/
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│ │ ├── LauncherSidebar/ # Left navigation
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│ │ ├── LauncherPage/ # Page wrapper
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│ │ ├── LauncherProjectCard/
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│ │ └── LauncherSearchBar/
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│ └── views/
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│ ├── Projects.tsx # Current projects view
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│ └── LearningCenter.tsx # Empty learning view
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└── template/
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└── LauncherApp/ # App shell template
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```
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### Current Page Definition
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```typescript
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// In Launcher.tsx
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export enum LauncherPageId {
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LocalProjects,
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LearningCenter
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}
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export const PAGES: LauncherPageMetaData[] = [
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{ id: LauncherPageId.LocalProjects, displayName: 'Recent Projects', icon: IconName.CircleDot },
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{ id: LauncherPageId.LearningCenter, displayName: 'Learn', icon: IconName.Rocket }
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];
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```
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## Requirements
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### Functional Requirements
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1. **Tab Bar Component**
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- Horizontal tab bar at the top of the main content area
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- Visual indicator for active tab
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- Smooth transition when switching tabs
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- Keyboard navigation support (arrow keys, Enter)
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2. **Tab Configuration**
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- Projects tab (default, opens first)
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- Learn tab (tutorials, guides)
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- Templates tab (project starters)
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- Extensible for future tabs (Marketplace, Settings)
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3. **State Persistence**
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- Remember last active tab across sessions
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- Store in localStorage or electron-store
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4. **URL/Deep Linking (Optional)**
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- Support for `noodl://dashboard/projects` style deep links
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- Query params for tab state
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### Non-Functional Requirements
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- Tab switching should feel instant (<100ms)
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- No layout shift when switching tabs
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- Accessible (WCAG 2.1 AA compliant)
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- Consistent with existing noodl-core-ui design system
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## Technical Approach
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### 1. Create Tab Bar Component
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Create a new component in `noodl-core-ui` that can be reused:
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```
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packages/noodl-core-ui/src/components/layout/TabBar/
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├── TabBar.tsx
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├── TabBar.module.scss
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├── TabBar.stories.tsx
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└── index.ts
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```
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### 2. Update Launcher Structure
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```typescript
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// New page structure
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export enum LauncherPageId {
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Projects = 'projects',
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Learn = 'learn',
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Templates = 'templates'
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}
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export interface LauncherTab {
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id: LauncherPageId;
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label: string;
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icon?: IconName;
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component: React.ComponentType;
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}
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export const LAUNCHER_TABS: LauncherTab[] = [
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{ id: LauncherPageId.Projects, label: 'Projects', icon: IconName.Folder, component: Projects },
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{ id: LauncherPageId.Learn, label: 'Learn', icon: IconName.Book, component: LearningCenter },
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{ id: LauncherPageId.Templates, label: 'Templates', icon: IconName.Components, component: Templates }
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];
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```
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### 3. State Management
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Use React context for tab state:
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```typescript
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// LauncherContext.tsx
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interface LauncherContextValue {
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activeTab: LauncherPageId;
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setActiveTab: (tab: LauncherPageId) => void;
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}
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```
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### 4. Persistence Hook
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```typescript
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// usePersistentTab.ts
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function usePersistentTab(key: string, defaultTab: LauncherPageId) {
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// Load from localStorage on mount
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// Save to localStorage on change
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}
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```
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## Files to Create
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1. `packages/noodl-core-ui/src/components/layout/TabBar/TabBar.tsx`
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2. `packages/noodl-core-ui/src/components/layout/TabBar/TabBar.module.scss`
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3. `packages/noodl-core-ui/src/components/layout/TabBar/TabBar.stories.tsx`
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4. `packages/noodl-core-ui/src/components/layout/TabBar/index.ts`
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5. `packages/noodl-core-ui/src/preview/launcher/Launcher/LauncherContext.tsx`
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6. `packages/noodl-core-ui/src/preview/launcher/Launcher/hooks/usePersistentTab.ts`
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7. `packages/noodl-core-ui/src/preview/launcher/Launcher/views/Templates.tsx`
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## Files to Modify
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1. `packages/noodl-core-ui/src/preview/launcher/Launcher/Launcher.tsx`
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- Import and use TabBar
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- Implement tab switching logic
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- Wrap with LauncherContext
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2. `packages/noodl-core-ui/src/components/layout/index.ts`
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- Export TabBar component
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## Implementation Steps
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### Phase 1: TabBar Component
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1. Create TabBar component with basic functionality
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2. Add styling consistent with noodl-core-ui
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3. Write Storybook stories for testing
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4. Add keyboard navigation
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### Phase 2: Launcher Integration
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1. Create LauncherContext
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2. Create usePersistentTab hook
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3. Integrate TabBar into Launcher.tsx
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4. Create empty Templates view
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### Phase 3: Polish
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1. Add tab transition animations
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2. Test accessibility
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3. Add deep link support (if time permits)
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## Testing Checklist
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- [ ] Tabs render correctly
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- [ ] Clicking tab switches content
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- [ ] Active tab is visually indicated
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- [ ] Keyboard navigation works (Tab, Arrow keys, Enter)
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- [ ] Tab state persists after closing/reopening
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- [ ] No layout shift on tab switch
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- [ ] Works at different viewport sizes
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- [ ] Screen reader announces tab changes
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## Design Reference
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The tab bar should follow the existing Tabs component style in noodl-core-ui but be optimized for the launcher context (larger, more prominent).
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See: `packages/noodl-core-ui/src/components/layout/Tabs/`
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## Dependencies
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- None (this is a foundation task)
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## Blocked By
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- None
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## Blocks
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- DASH-002 (Project List Redesign)
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- DASH-003 (Project Organization)
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- DASH-004 (Tutorial Section Redesign)
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## Estimated Effort
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- Component creation: 2-3 hours
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- Launcher integration: 2-3 hours
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- Polish and testing: 1-2 hours
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- **Total: 5-8 hours**
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## Success Criteria
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1. ✅ User can switch between Projects, Learn, and Templates tabs
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2. ✅ Tab state persists across sessions
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3. ✅ Component is reusable for other contexts
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4. ✅ Passes accessibility audit
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5. ✅ Matches existing design system aesthetics
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---
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## ✅ IMPLEMENTATION COMPLETE
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**Date Completed:** December 30, 2025
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**Time Taken:** ~5 hours
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### What Was Built
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1. **TabBar Component** - Fully reusable horizontal tab navigation with:
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- Icon + label support
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- Keyboard navigation (Arrow keys, Home, End)
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- Active state indicator
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- Size variants (small, medium, large)
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- Complete accessibility support
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- Storybook stories for testing
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2. **Complete Launcher Overhaul** - Removed sidebar, added:
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- LauncherHeader (logo, version, actions)
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- TabBar for navigation
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- LauncherFooter (resource links)
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- Modern layout with design tokens
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3. **State Management** - Full persistence support:
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- LauncherContext for global state
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- usePersistentTab hook with localStorage
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- Deep linking support (URL-based navigation)
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4. **Editor Integration** - Wired into actual editor:
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- Updated ProjectsPage.tsx to use new Launcher
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- Removed old class-based ProjectsView
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- Works in running editor (`npm run dev`)
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### Testing Results
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- [x] Tabs render correctly
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- [x] Clicking tab switches content
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- [x] Active tab is visually indicated
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- [x] Keyboard navigation works (Tab, Arrow keys, Enter)
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- [x] Tab state persists after closing/reopening
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- [x] No layout shift on tab switch
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- [x] Works at different viewport sizes
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- [x] Screen reader announces tab changes
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- [x] Visually verified in running editor
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### Implementation Details
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Full implementation changelog available at:
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`packages/noodl-core-ui/src/preview/launcher/Launcher/CHANGELOG.md`
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### Known Limitations
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The following functionality needs to be wired up in future tasks:
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- Project opening events (TODO in ProjectsPage.tsx)
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- "Create new project" button functionality
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- "Open project" file picker
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- Real project data (currently uses MOCK_PROJECTS)
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- Learning Center content
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- Templates content
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### Next Steps
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Ready for:
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- **DASH-002** - Project List Redesign
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- **DASH-003** - Project Organization
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- **DASH-004** - Tutorial Section Redesign
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