auto-claude: subtask-1-1 - Add Content-Security-Policy header with directives

next.config.ts

@@ -42,6 +42,20 @@ const nextConfig: NextConfig = {
             key: 'X-Content-Type-Options',
             value: 'nosniff',
           },
+          {
+            key: 'Content-Security-Policy',
+            value: [
+              "default-src 'self'",
+              "script-src 'self' 'unsafe-inline' 'unsafe-eval'",
+              "style-src 'self' 'unsafe-inline' https://fonts.googleapis.com",
+              "font-src 'self' https://fonts.gstatic.com data:",
+              "img-src 'self' data: blob: https://mxadgucxhmstlzsbgmoz.supabase.co",
+              "connect-src 'self' https://mxadgucxhmstlzsbgmoz.supabase.co",
+              "frame-ancestors 'self'",
+              "base-uri 'self'",
+              "form-action 'self'",
+            ].join('; '),
+          },
         ],
       },
       {