refactor: change default image model to openrouter/auto

Author: vkeerthivikram

packages/kilo-vscode/webview-ui/src/i18n/ar.ts

@@ -1296,8 +1296,8 @@ export const dict = {
   "settings.experimental.imageGeneration.title": "Image Generation",
   "settings.experimental.imageGeneration.description": "Enable AI image generation",
   "settings.experimental.imageGenerationModel.title": "Image Model",
-  "settings.experimental.imageGenerationModel.description": "Model to use for image generation (fetched from Kilo Gateway)",
-  "settings.experimental.imageGenerationModel.placeholder": "Default (Gemini 2.5 Flash Image)",
+  "settings.experimental.imageGenerationModel.description": "Image Generation Model",
+  "settings.experimental.imageGenerationModel.placeholder": "Default (Auto Router)",
 
   "settings.experimental.speechToText.title": "Speech to Text",
   "settings.experimental.speechToText.description":