fix: image proxy url (#14505)

#### PR Dependency Tree


* **PR #14505** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Improvements**
* Better image-proxy detection to avoid double-proxying already proxied
images.
* Improved runtime image proxy configuration so images load consistently
across deployments.
* More robust image URL handling for optimized image loading and fewer
redundant requests.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/shared/src/adapters/middlewares/proxy.ts

@@ -21,12 +21,24 @@ const imageProxyMiddlewareBuilder = () => {
   };
 };
 
+const IMAGE_PROXY_PATH = '/api/worker/image-proxy';
+
+export const isImageProxyURL = (imageUrl: string) => {
+  try {
+    const url = new URL(imageUrl, globalThis.location.origin);
+    return url.pathname === IMAGE_PROXY_PATH && url.searchParams.has('url');
+  } catch {
+    return false;
+  }
+};
+
 const defaultImageProxyMiddlewarBuilder = imageProxyMiddlewareBuilder();
 
 export const setImageProxyMiddlewareURL = defaultImageProxyMiddlewarBuilder.set;
 
-export const defaultImageProxyMiddleware =
-  defaultImageProxyMiddlewarBuilder.get();
+export const defaultImageProxyMiddleware: TransformerMiddleware = args => {
+  return defaultImageProxyMiddlewarBuilder.get()(args);
+};
 
 // TODO(@mirone): this should be configured when setup instead of runtime
 export class ImageProxyService extends StoreExtension {
@@ -40,7 +52,7 @@ export class ImageProxyService extends StoreExtension {
   }
 
   buildUrl(imageUrl: string) {
-    if (imageUrl.startsWith(this.imageProxyURL)) {
+    if (imageUrl.startsWith(this.imageProxyURL) || isImageProxyURL(imageUrl)) {
       return imageUrl;
     }