fix: input img url fall back image

src/locales/en-US/playground.ts

@@ -158,8 +158,7 @@ export default {
   'playground.uploadfile.sizeError':
     'File size exceeds the limit. Maximum allowed: {size}.',
   'playground.uploadImage.url.invalid':
-    'Please enter a direct .png or .jpg image URL (e.g. https://.../image.png). Press ESC to cancel.',
-  'playground.uploadImage.url.holder':
-    'Enter an image URL (supports .png, .jpeg, .jpg)',
+    'Please enter a direct image URL (e.g. https://.../image.png). Press ESC to cancel.',
+  'playground.uploadImage.url.holder': 'Enter an image URL',
   'playground.uploadImage.url.button': 'Add Image from URL'
 };

src/locales/ja-JP/playground.ts

@@ -161,9 +161,8 @@ export default {
   'playground.uploadfile.sizeError':
     'File size exceeds the limit. Maximum allowed: {size}.',
   'playground.uploadImage.url.invalid':
-    'Please enter a direct .png or .jpg image URL (e.g. https://.../image.png). Press ESC to cancel.',
-  'playground.uploadImage.url.holder':
-    'Enter an image URL (supports .png, .jpeg, .jpg)',
+    'Please enter a direct image URL (e.g. https://.../image.png). Press ESC to cancel.',
+  'playground.uploadImage.url.holder': 'Enter an image URL',
   'playground.uploadImage.url.button': 'Add Image from URL'
 };
 
@@ -171,7 +170,7 @@ export default {
 // 1. 'playground.rerank.query.validate': 'The query is required.'
 // 2.  'playground.image.generate.error': 'Something went wrong. The image could not be generated.',
 // 3. 'playground.uploadfile.sizeError': 'File size exceeds the limit. Maximum allowed: {size}.'
-// 4. 'playground.uploadImage.url.invalid': 'Please enter a direct .png or .jpg image URL(e.g. https://.../image.png). Press ESC to cancel.',
-// 5. 'playground.uploadImage.url.holder': 'Enter an image URL (supports .png, .jpeg, .jpg)'
+// 4. 'playground.uploadImage.url.invalid': 'Please enter a direct image URL(e.g. https://.../image.png). Press ESC to cancel.',
+// 5. 'playground.uploadImage.url.holder': 'Enter an image URL'
 // 6.  'playground.uploadImage.url.button': 'Add Image from URL'
 // ========== End of To-Do List ==========

src/locales/ru-RU/playground.ts

@@ -155,14 +155,13 @@ export default {
   'playground.uploadfile.sizeError':
     'Размер файла превышает ограничение. Максимальный размер: {size}.',
   'playground.uploadImage.url.invalid':
-    'Please enter a direct .png or .jpg image URL (e.g. https://.../image.png). Press ESC to cancel.',
-  'playground.uploadImage.url.holder':
-    'Enter an image URL (supports .png, .jpeg, .jpg)',
+    'Please enter a direct image URL (e.g. https://.../image.png). Press ESC to cancel.',
+  'playground.uploadImage.url.holder': 'Enter an image URL',
   'playground.uploadImage.url.button': 'Add Image from URL'
 };
 
 // ========== To-Do: Translate Keys (Remove After Translation) ==========
-// 1. 'playground.uploadImage.url.invalid': 'Please enter a direct .png or .jpg image URL(e.g. https://.../image.png). Press ESC to cancel.',
-// 2. 'playground.uploadImage.url.holder': 'Enter an image URL (supports .png, .jpeg, .jpg)',
+// 1. 'playground.uploadImage.url.invalid': 'Please enter a direct image URL(e.g. https://.../image.png). Press ESC to cancel.',
+// 2. 'playground.uploadImage.url.holder': 'Enter an image URL',
 // 3.  'playground.uploadImage.url.button': 'Add Image from URL'
 // ========== End of To-Do List ==========

src/locales/zh-CN/playground.ts

@@ -151,8 +151,7 @@ export default {
   'playground.uploadfile.sizeError':
     '上传的文件大小超过限制，最大允许 {size}。',
   'playground.uploadImage.url.invalid':
-    '请输入直接的 .png 或 .jpg 图片链接（例如：https://…/image.png）。按 ESC 可取消。',
-  'playground.uploadImage.url.holder':
-    '请输入图片链接（支持 .png、.jpeg、.jpg 格式）',
+    '请输入直接的图片链接（例如：https://…/image.png）。按 ESC 可取消。',
+  'playground.uploadImage.url.holder': '请输入图片链接',
   'playground.uploadImage.url.button': '从链接添加图片'
 };