Add MCP server and enhance AI content tools

Implement self-hosted MCP server for admin actions, update AI generation tools in admin dashboard, and refine mobile app stores and components.

apps/mcp/src/lib/supabase.ts

@@ -0,0 +1,22 @@
+import { createClient } from '@supabase/supabase-js';
+import { config } from 'dotenv';
+
+config();
+
+const supabaseUrl = process.env.SUPABASE_URL;
+const supabaseServiceKey = process.env.SUPABASE_SERVICE_ROLE_KEY;
+
+if (!supabaseUrl || !supabaseServiceKey) {
+  console.warn('Missing SUPABASE_URL or SUPABASE_SERVICE_ROLE_KEY environment variables');
+}
+
+export const supabase = createClient(
+  supabaseUrl || '',
+  supabaseServiceKey || '',
+  {
+    auth: {
+      autoRefreshToken: false,
+      persistSession: false
+    }
+  }
+);