fix(ui,server): Fix project icon updates and image upload issues

- Fix setProjectCustomIcon using wrong property name (customIcon -> customIconPath)
- Add currentProject state update to setProjectIcon and setProjectCustomIcon
- Fix data URL regex to handle all formats (e.g., charset=utf-8 in GIFs)
- Increase project icon size limit from 2MB to 5MB for animated GIFs
- Add toast notifications for upload validation errors
- Add image error fallback to folder icon in project switcher
- Make HttpApiClient get/put methods public for store access
- Fix TypeScript errors in app-store.ts (trashedAt type, font properties)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/ui/src/components/views/project-settings-view/project-identity-section.tsx

@@ -68,10 +68,10 @@ export function ProjectIdentitySection({ project }: ProjectIdentitySectionProps)
       return;
     }
 
-    // Validate file size (max 2MB for icons)
-    if (file.size > 2 * 1024 * 1024) {
+    // Validate file size (max 5MB for icons - allows animated GIFs)
+    if (file.size > 5 * 1024 * 1024) {
       toast.error('File too large', {
-        description: 'Please upload an image smaller than 2MB.',
+        description: 'Please upload an image smaller than 5MB.',
       });
       return;
     }
@@ -208,7 +208,7 @@ export function ProjectIdentitySection({ project }: ProjectIdentitySectionProps)
                   {isUploadingIcon ? 'Uploading...' : 'Upload Custom Icon'}
                 </Button>
                 <p className="text-xs text-muted-foreground mt-1">
-                  PNG, JPG, GIF or WebP. Max 2MB.
+                  PNG, JPG, GIF or WebP. Max 5MB.
                 </p>
               </div>
             </div>