Localize setup MCP argument placeholders

src/cli/ui/Wizard.tsx

@@ -726,9 +726,9 @@ function mcpItems(): SelectItem<string>[] {
   });
 }
 
-function placeholderFor(entry: CatalogEntry): string {
-  if (entry.name === "filesystem") return "e.g. /tmp/carboncode-sandbox";
-  if (entry.name === "sqlite") return "e.g. ./notes.sqlite";
+export function placeholderFor(entry: CatalogEntry): string {
+  if (entry.name === "filesystem") return t("wizard.mcpArgsFilesystemPlaceholder");
+  if (entry.name === "sqlite") return t("wizard.mcpArgsSqlitePlaceholder");
   return entry.userArgs ?? "";
 }
 

src/i18n/EN.ts

@@ -464,6 +464,8 @@ export const EN: TranslationSchema = {
     mcpArgsRequiredParam: "Required parameter: ",
     mcpArgsEmpty: "{name} needs a value — got an empty string.",
     mcpArgsNotADir: "{path} exists but is not a directory.",
+    mcpArgsFilesystemPlaceholder: "e.g. /tmp/carboncode-sandbox",
+    mcpArgsSqlitePlaceholder: "e.g. ./notes.sqlite",
     reviewTitle: "Ready to save",
     reviewLabelApiKey: "API key",
     reviewLabelLanguage: "Language",

src/i18n/types.ts

@@ -301,6 +301,8 @@ export interface TranslationSchema {
     mcpArgsRequiredParam: string;
     mcpArgsEmpty: string;
     mcpArgsNotADir: string;
+    mcpArgsFilesystemPlaceholder: string;
+    mcpArgsSqlitePlaceholder: string;
     themeTitle: string;
     themeSubtitle: string;
     themeSampleHeading: string;

src/i18n/zh-CN.ts

@@ -450,6 +450,8 @@ export const zhCN: TranslationSchema = {
     mcpArgsRequiredParam: "必填参数：",
     mcpArgsEmpty: "{name} 需要一个值 — 不能为空。",
     mcpArgsNotADir: "{path} 存在但不是目录。",
+    mcpArgsFilesystemPlaceholder: "例如：/tmp/carboncode-sandbox",
+    mcpArgsSqlitePlaceholder: "例如：./notes.sqlite",
     reviewTitle: "确认保存",
     reviewLabelApiKey: "API key",
     reviewLabelLanguage: "语言",

tests/wizard.test.tsx

@@ -3,7 +3,7 @@
 import { render } from "ink-testing-library";
 import React from "react";
 import { afterEach, describe, expect, it } from "vitest";
-import { Wizard, buildSpec, validateDeepSeekApiKey } from "../src/cli/ui/Wizard.js";
+import { Wizard, buildSpec, placeholderFor, validateDeepSeekApiKey } from "../src/cli/ui/Wizard.js";
 import { setLanguageRuntime } from "../src/i18n/index.js";
 import { parseMcpSpec } from "../src/mcp/spec.js";
 
@@ -66,6 +66,32 @@ describe("Wizard — first-launch language picker", () => {
   });
 });
 
+describe("Wizard — localized MCP argument placeholders", () => {
+  afterEach(() => {
+    setLanguageRuntime("EN");
+  });
+
+  it("localizes filesystem and sqlite placeholders in zh-CN", () => {
+    setLanguageRuntime("zh-CN");
+
+    expect(
+      placeholderFor({ name: "filesystem", command: "npx", args: [], userArgs: "<dir>" }),
+    ).toBe("例如：/tmp/carboncode-sandbox");
+    expect(placeholderFor({ name: "sqlite", command: "npx", args: [], userArgs: "<db>" })).toBe(
+      "例如：./notes.sqlite",
+    );
+  });
+
+  it("keeps filesystem and sqlite placeholders in EN", () => {
+    expect(
+      placeholderFor({ name: "filesystem", command: "npx", args: [], userArgs: "<dir>" }),
+    ).toBe("e.g. /tmp/carboncode-sandbox");
+    expect(placeholderFor({ name: "sqlite", command: "npx", args: [], userArgs: "<db>" })).toBe(
+      "e.g. ./notes.sqlite",
+    );
+  });
+});
+
 describe("Wizard API-key validation", () => {
   it("accepts a key when DeepSeek auth check succeeds", async () => {
     const fetcher = async () => new Response(JSON.stringify({ data: [] }), { status: 200 });