feat: Apple Watch app + Paywall + Privacy Policy + rebranding

## Major Features
- Apple Watch companion app (6 phases complete)
  - WatchConnectivity iPhone ↔ Watch
  - HealthKit integration (HR, calories)
  - SwiftUI premium UI
  - 9 complication types
  - Always-On Display support

- Paywall screen with RevenueCat integration
- Privacy Policy screen
- App rebranding: tabatago → TabataFit
- Bundle ID: com.millianlmx.tabatafit

## Changes
- New: ios/TabataFit Watch App/ (complete Watch app)
- New: app/paywall.tsx (subscription UI)
- New: app/privacy.tsx (privacy policy)
- New: src/features/watch/ (Watch sync hooks)
- New: admin-web/ (admin dashboard)
- Updated: app.json, package.json (branding)
- Updated: profile.tsx (paywall + privacy links)
- Updated: i18n translations (EN/FR/DE/ES)
- New: app icon 1024x1024

## Watch App Files
- TabataFitWatchApp.swift (entry point)
- ContentView.swift (premium UI)
- HealthKitManager.swift (HR + calories)
- WatchSessionManager.swift (communication)
- Complications/ (WidgetKit)
- UserDefaults+Shared.swift (data sharing)

admin-web/README.md

@@ -0,0 +1,139 @@
+# TabataFit Admin Dashboard
+
+A web-based admin dashboard for managing TabataFit content, built with Next.js, Tailwind CSS, and shadcn/ui.
+
+## Features
+
+- **Dashboard**: Overview with stats and quick actions
+- **Workouts**: Manage workout library (view, delete)
+- **Trainers**: Manage trainer profiles
+- **Collections**: Organize workouts into collections
+- **Media**: Upload videos, thumbnails, and avatars
+
+## Tech Stack
+
+- **Framework**: Next.js 15 (App Router)
+- **Styling**: Tailwind CSS
+- **Components**: shadcn/ui
+- **Backend**: Supabase
+- **Icons**: Lucide React
+
+## Getting Started
+
+### 1. Install Dependencies
+
+```bash
+cd admin-web
+npm install
+```
+
+### 2. Configure Environment Variables
+
+Create a `.env.local` file:
+
+```bash
+NEXT_PUBLIC_SUPABASE_URL=your_supabase_project_url
+NEXT_PUBLIC_SUPABASE_ANON_KEY=your_supabase_anon_key
+```
+
+### 3. Run Development Server
+
+```bash
+npm run dev
+```
+
+Open [http://localhost:3000](http://localhost:3000) in your browser.
+
+## Project Structure
+
+```
+app/
+├── login/          # Login page
+├── workouts/       # Workouts management
+├── trainers/       # Trainers management
+├── collections/    # Collections management
+├── media/          # Media upload
+├── page.tsx        # Dashboard
+├── layout.tsx      # Root layout with sidebar
+components/
+├── sidebar.tsx     # Navigation sidebar
+├── ui/            # shadcn/ui components
+lib/
+├── supabase.ts    # Supabase client + types
+├── utils.ts       # Utility functions
+```
+
+## Usage
+
+### Login
+
+Navigate to `/login` and sign in with your admin credentials. The user must exist in both:
+- Supabase Auth
+- `admin_users` table
+
+### Managing Content
+
+1. **Dashboard**: View stats and access quick actions
+2. **Workouts**: View all workouts, delete with confirmation
+3. **Trainers**: View trainer cards with color indicators
+4. **Collections**: View collections with gradient previews
+5. **Media**: Upload files to Supabase Storage buckets
+
+### Authentication Flow
+
+1. User signs in at `/login`
+2. App checks if user exists in `admin_users` table
+3. If authorized, redirects to dashboard
+4. Sidebar provides navigation to all sections
+5. Logout clears session and redirects to login
+
+## Supabase Schema
+
+The dashboard expects these tables:
+- `workouts` - Workout definitions
+- `trainers` - Trainer profiles
+- `collections` - Workout collections
+- `collection_workouts` - Collection-workout links
+- `admin_users` - Admin access control
+
+And storage buckets:
+- `videos` - Workout videos
+- `thumbnails` - Workout thumbnails
+- `avatars` - Trainer avatars
+
+See the main project `SUPABASE_SETUP.md` for full schema details.
+
+## Building for Production
+
+```bash
+npm run build
+```
+
+The build output will be in `.next/`. You can deploy to Vercel, Netlify, or any Next.js-compatible host.
+
+## Customization
+
+### Theme
+
+The dashboard uses a dark theme with:
+- Background: `neutral-950` (#0a0a0a)
+- Cards: `neutral-900` (#171717)
+- Accent: Orange (#f97316)
+
+Modify `app/globals.css` and Tailwind config to change colors.
+
+### Adding Pages
+
+1. Create a new directory in `app/`
+2. Add `page.tsx` with your component
+3. Add link to `components/sidebar.tsx`
+
+### Adding shadcn Components
+
+```bash
+npx shadcn add component-name
+```
+
+## License
+
+Same as TabataFit project