fix(FileTree): use base path for anchor navigation

src/components/FileTree.tsx

@@ -115,7 +115,7 @@ export const HeadingNode: Component<{
     if (e.button === 0) {
       // Left-click: use SPA navigation
       e.preventDefault();
-      navigate(href());
+      navigate(`${props.basePath}#${anchor}`);
     }
     // Middle-click / right-click: let the browser handle the <a> natively
     // 滚动到目标元素，考虑导航栏高度偏移