feat: update surprise-me functionality with localization support

frontend/src/core/i18n/locales/en-US.ts

@@ -80,6 +80,8 @@ export const enUS: Translations = {
     proModeDescription:
       "Reasoning, planning and executing, get more accurate results, may take more time",
     searchModels: "Search models...",
+    surpriseMe: "Surprise",
+    surpriseMePrompt: "Surprise me",
     suggestions: [
       {
         suggestion: "Write",

frontend/src/core/i18n/locales/types.ts

@@ -63,6 +63,8 @@ export interface Translations {
     proMode: string;
     proModeDescription: string;
     searchModels: string;
+    surpriseMe: string;
+    surpriseMePrompt: string;
     suggestions: {
       suggestion: string;
       prompt: string;

frontend/src/core/i18n/locales/zh-CN.ts

@@ -78,6 +78,8 @@ export const zhCN: Translations = {
     proMode: "专业",
     proModeDescription: "思考、计划再执行，获得更精准的结果，可能需要更多时间",
     searchModels: "搜索模型...",
+    surpriseMe: "小惊喜",
+    surpriseMePrompt: "给我一个小惊喜吧",
     suggestions: [
       {
         suggestion: "写作",