Remix Application Route Structure

Create Remix application structure for:

Application Type: {{APP_TYPE}}
Features: {{FEATURES}}
Database: {{DATABASE}}

Generate complete Remix structure:

1. **Route Files:**
   - _index.tsx
   - Dynamic routes ($param)
   - Nested routes
   - Layout routes (_layout)
   - Pathless layouts (_)
   - Resource routes

2. **Loaders:**
   - Data loading
   - Authentication checks
   - Redirects
   - Error throwing
   - Streaming with defer

3. **Actions:**
   - Form handling
   - Data mutations
   - Validation
   - Redirects
   - Error handling

4. **Forms:**
   - Form component
   - useFetcher
   - useSubmit
   - Optimistic UI
   - Progressive enhancement

5. **Error Handling:**
   - ErrorBoundary
   - CatchBoundary
   - Error display
   - Recovery options

6. **Meta and Links:**
   - meta function
   - links function
   - Dynamic meta
   - Canonical URLs

7. **Session Management:**
   - Cookie session
   - Session storage
   - Flash messages
   - Authentication

8. **Utilities:**
   - useLoaderData
   - useActionData
   - useNavigation
   - useMatches

9. **Configuration:**
   - remix.config.js
   - Server adapter
   - Build configuration

Include nested routing example.