Final UI V3

# UI V3 Changelog

Major updates and improvements in this release:

## Core Changes
- Complete NEW REWRITTEN UI system overhaul (V3) with semantic design tokens
- New settings management system with drag-and-drop capabilities
- Enhanced provider system supporting multiple AI services
- Improved theme system with better dark mode support
- New component library with consistent design patterns

## Technical Updates
- Reorganized project architecture for better maintainability
- Performance optimizations and bundle size improvements
- Enhanced security features and access controls
- Improved developer experience with better tooling
- Comprehensive testing infrastructure

## New Features
- Background rays effect for improved visual feedback
- Advanced tab management system
- Automatic and manual update support
- Enhanced error handling and visualization
- Improved accessibility across all components

For detailed information about all changes and improvements, please see the full changelog.

app/routes/api.update.ts

@@ -0,0 +1,45 @@
+import { json } from '@remix-run/node';
+import type { ActionFunction } from '@remix-run/node';
+
+interface UpdateRequestBody {
+  branch: string;
+}
+
+export const action: ActionFunction = async ({ request }) => {
+  if (request.method !== 'POST') {
+    return json({ error: 'Method not allowed' }, { status: 405 });
+  }
+
+  try {
+    const body = await request.json();
+
+    // Type guard to check if body has the correct shape
+    if (!body || typeof body !== 'object' || !('branch' in body) || typeof body.branch !== 'string') {
+      return json({ error: 'Invalid request body: branch is required and must be a string' }, { status: 400 });
+    }
+
+    const { branch } = body as UpdateRequestBody;
+
+    // Instead of direct Git operations, we'll return instructions
+    return json({
+      success: true,
+      message: 'Please update manually using the following steps:',
+      instructions: [
+        `1. git fetch origin ${branch}`,
+        `2. git pull origin ${branch}`,
+        '3. pnpm install',
+        '4. pnpm build',
+        '5. Restart the application',
+      ],
+    });
+  } catch (error) {
+    console.error('Update preparation failed:', error);
+    return json(
+      {
+        success: false,
+        error: error instanceof Error ? error.message : 'Unknown error occurred while preparing update',
+      },
+      { status: 500 },
+    );
+  }
+};