Update AGENTS.md: WebDAV VFS complete, protect Download Center

- Document WebDAV VFS integration status
- Add warning about not affecting Port 11438
- Revert WebDAV routes (temporarily) to protect Download Center
- WebDAV can be tested via CLI: webdav-start --port 8002

markbase-core/src/server.rs

@@ -235,7 +235,7 @@ pub async fn run(port: u16, file: Option<String>) -> anyhow::Result<()> {
         .route("/products", get(|| async { Html(include_str!("product_manager.html")) }))
         .route("/downloads", get(|| async { Html(include_str!("category_view.html")) }))
         .route("/", get(|| async { Html(include_str!("category_view.html")) }))
-        .layer(DefaultBodyLimit::disable()) // Disable body size limit for large file uploads
+        .layer(DefaultBodyLimit::disable())
         .with_state(state);
 
     let addr = format!("127.0.0.1:{port}");