Framework updates

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Co-Authored-By: Claude <noreply@anthropic.com>

app/RSpade/Core/SPA/Spa.js

@@ -250,6 +250,14 @@ class Spa {
         const parsed = Spa.parse_url(url);
         let path = parsed.path;
 
+        // Strip portal prefix if in portal context
+        if (Rsx_Portal.is_portal() && !Rsx_Portal.has_dedicated_domain()) {
+            const prefix = Rsx_Portal.get_prefix();
+            if (path.startsWith(prefix)) {
+                path = path.substring(prefix.length) || '/';
+            }
+        }
+
         // Normalize path - remove leading/trailing slashes for matching
         path = path.substring(1); // Remove leading /