update

src/shared/localization.ts

@@ -0,0 +1,13 @@
+import type { AppLocale } from "./locale";
+
+/**
+ * Returns a locale-appropriate system prompt instruction for AI agents.
+ * When locale is "zh", the instruction tells the agent to respond entirely in Chinese.
+ * For "en" (or any other locale), returns an empty string (no additional instruction needed).
+ */
+export function getLocalePromptInstruction(locale: AppLocale): string {
+  if (locale === "zh") {
+    return "重要：你必须全程使用中文进行所有沟通、回复、任务描述、评论和消息。所有输出内容必须是中文。";
+  }
+  return "";
+}