style(ui): refine image param chip spacing and remove size suffix icons

components/image-params-bar.tsx

@@ -68,8 +68,8 @@ const ASPECT_RATIO_OPTIONS = [
 // 图片大小选项（仅支持 nano-banana-pro）
 const IMAGE_SIZE_OPTIONS = [
   { value: "1K", label: "1K", disabled: false },
-  { value: "2K", label: "2K ⚡", disabled: false }, // 默认推荐
-  { value: "4K", label: "4K 🐌", disabled: false }, // 4K较慢
+  { value: "2K", label: "2K", disabled: false },
+  { value: "4K", label: "4K", disabled: false },
 ] as const;
 
 export function ImageParamsBar({
@@ -177,7 +177,7 @@ export function ImageParamsBar({
   // 内联模式：只返回参数按钮，嵌入工具栏
   if (inline) {
     return (
-      <div className="flex items-center ml-1 border-l border-border/50 pl-1">
+      <div className="ml-1 flex items-center gap-1 border-l border-border/50 pl-1">
         {/* 图片比例 */}
         <DropdownMenu>
           <DropdownMenuTrigger asChild>