chore: preview field use switch

src/pages/playground/components/ground-images.tsx

@@ -145,13 +145,8 @@ const GroundImages: React.FC<MessageProps> = forwardRef((props, ref) => {
       chunk_size: 16 * 1024,
       chunk_results: true
     };
-    if (parameters.preview === 'preview') {
-      stream_options = {
-        preview: true
-      };
-    }
 
-    if (parameters.preview === 'preview_faster') {
+    if (parameters.preview) {
       stream_options = {
         preview_faster: true
       };

src/pages/playground/components/image-edit.tsx

@@ -170,13 +170,8 @@ const GroundImages: React.FC<MessageProps> = forwardRef((props, ref) => {
       stream_options_chunk_size: 16 * 1024,
       stream_options_chunk_result: true
     };
-    if (parameters.preview === 'preview') {
-      stream_options = {
-        stream_options_preview: true
-      };
-    }
 
-    if (parameters.preview === 'preview_faster') {
+    if (parameters.preview) {
       stream_options = {
         stream_options_preview_faster: true
       };

src/pages/playground/config/params-config.ts

@@ -423,6 +423,7 @@ export const ImageAdvancedParamsConfig: ParamsSchema[] = [
       isLocalized: true
     },
     attrs: {
+      scaleSize: true,
       trim: false,
       autoSize: { minRows: 2, maxRows: 2 }
     },
@@ -433,20 +434,12 @@ export const ImageAdvancedParamsConfig: ParamsSchema[] = [
     ]
   },
   {
-    type: 'Select',
+    type: 'Switch',
     name: 'preview',
-    options: [
-      { label: 'Faster', value: 'preview_faster' },
-      { label: 'Normal', value: 'preview' },
-      { label: 'common.options.none', value: null, locale: true }
-    ],
     label: {
       text: 'Preview',
       isLocalized: false
     },
-    attrs: {
-      allowNull: true
-    },
     rules: [
       {
         required: false

src/pages/playground/config/types.ts

@@ -29,7 +29,8 @@ type SchemaType =
   | 'Slider'
   | 'TextArea'
   | 'Checkbox'
-  | 'Textarea';
+  | 'Textarea'
+  | 'Switch';
 
 export interface ParamsSchema {
   type: SchemaType;