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 -->

packages/frontend/core/src/blocksuite/ai/components/ai-tools/tool-result-card.ts

@@ -1,7 +1,7 @@
 import { SignalWatcher, WithDisposable } from '@blocksuite/affine/global/lit';
 import { unsafeCSSVarV2 } from '@blocksuite/affine/shared/theme';
 import { ShadowlessElement } from '@blocksuite/affine/std';
-import { DEFAULT_IMAGE_PROXY_ENDPOINT } from '@blocksuite/affine-shared/consts';
+import { isImageProxyURL } from '@blocksuite/affine-shared/adapters';
 import { ToggleDownIcon, ToolIcon } from '@blocksuite/icons/lit';
 import { type Signal } from '@preact/signals-core';
 import { css, html, nothing, type TemplateResult } from 'lit';
@@ -250,7 +250,7 @@ export class ToolResultCard extends SignalWatcher(
   @state()
   private accessor isCollapsed = true;
 
-  private readonly imageProxyURL = DEFAULT_IMAGE_PROXY_ENDPOINT;
+  private readonly imageProxyURL = BUILD_CONFIG.imageProxyUrl;
 
   protected override render() {
     return html`
@@ -323,7 +323,7 @@ export class ToolResultCard extends SignalWatcher(
   }
 
   buildUrl(imageUrl: string) {
-    if (imageUrl.startsWith(this.imageProxyURL)) {
+    if (imageUrl.startsWith(this.imageProxyURL) || isImageProxyURL(imageUrl)) {
       return imageUrl;
     }
     return `${this.imageProxyURL}?url=${encodeURIComponent(imageUrl)}`;