refactor(cli): 统一stdio辅助函数导入路径风格

- 将cli.tsx和cli-args.ts中stdioHelpers的导入路径调整为统一的stdio-helpers格式
- 规范了模块文件命名，提高代码一致性
- 未改动核心功能逻辑，仅更改导入路径字符串

Author: hqwlkj

packages/cli/src/cli-args.ts

@@ -6,7 +6,7 @@
 import type { Argv } from "yargs";
 import Yargs from "yargs";
 import { getCliVersion } from "./utils/version";
-import { writeStderrLine } from "./utils/stdioHelpers";
+import { writeStderrLine } from "./utils/stdio-helpers";
 import { hideBin } from "yargs/helpers";
 
 // UUID v4 regex pattern for validation

packages/cli/src/cli.tsx

@@ -7,7 +7,7 @@ import { setShellIfWindows, getProjectCode } from "@vegamo/deepcode-core";
 import { checkForNpmUpdate, promptForPendingUpdate } from "./common/update-check";
 import { AppContainer } from "./ui";
 import { parseArguments } from "./cli-args";
-import { writeStderrLine, writeStdoutLine } from "./utils/stdioHelpers";
+import { writeStderrLine, writeStdoutLine } from "./utils/stdio-helpers";
 import { getPackageJson } from "./utils/package";
 import { CLI_VERSION } from "./generated/git-commit";