Fix bundle compiler to only consider .php files for PHP models

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

app/RSpade/Core/Bundle/BundleCompiler.php

@@ -1202,6 +1202,11 @@ class BundleCompiler
         // Find all PHP models in the bundle
         $models_in_bundle = [];
         foreach ($all_bundle_files as $file) {
+            // Only consider .php files for PHP models
+            if (!str_ends_with($file, '.php')) {
+                continue;
+            }
+
             $relative = str_replace(base_path() . '/', '', $file);
 
             // Check if this is a PHP file with a class