diff --git a/.docfx/templates/cuemon/layout/_master.tmpl b/.docfx/templates/cuemon/layout/_master.tmpl
index 8f33d32df..336a8d73d 100644
--- a/.docfx/templates/cuemon/layout/_master.tmpl
+++ b/.docfx/templates/cuemon/layout/_master.tmpl
@@ -134,6 +134,9 @@
         </div>
       </div>
     </footer>
+
+    <!-- Context7 AI Chat Widget -->
+    <script src="https://context7.com/widget.js" data-library="/codebeltnet/cuemon" data-color="#059669" data-position="bottom-right"></script>
   </body>
   {{/redirect_url}}
 </html>
\ No newline at end of file
diff --git a/src/Cuemon.Core/Globalization/World.cs b/src/Cuemon.Core/Globalization/World.cs
index c6ed1eb75..4901e2e10 100644
--- a/src/Cuemon.Core/Globalization/World.cs
+++ b/src/Cuemon.Core/Globalization/World.cs
@@ -43,12 +43,11 @@ public static class World
         /// <summary>
         /// Gets all UN M.49 geographic regions.
         /// </summary>
-        /// <value>A read-only list of all <see cref="StatisticalRegionInfo"/> instances.</value>
+        /// <value>A sequence of all <see cref="StatisticalRegionInfo"/> instances.</value>
         /// <remarks>
-        /// The list includes the World region (code "001") and all geographic regions.
-        /// The collection is immutable and cached for the lifetime of the application.
+        /// The sequence includes the World region (code "001") and all geographic regions.
         /// </remarks>
-        public static IReadOnlyList<StatisticalRegionInfo> StatisticalRegions { get; } = UnM49Data.Value.Regions;
+        public static IEnumerable<StatisticalRegionInfo> StatisticalRegions { get; } = UnM49Data.Value.Regions;
 
         /// <summary>
         /// Gets a region or country by its UN M.49 code.