fix(cli): avoid locale import cycle during environment setup

src/cli/config.ts

@@ -55,7 +55,7 @@ import {
   recordDotenvOrigin,
 } from '../utils/startup-env.js';
 import { officialEnvOffers } from './env-credentials.js';
-import { isZhLocale, setupCopy } from './cli-locale.js';
+import { isZhLocale } from './cli-locale.js';
 import { isDeviceTrustEnv, parseDeviceTrustList } from '../safety/device-trust.js';
 import type { PricingConfig } from './model-pricing.js';
 import type { StatusLineConfig } from './status-line.js';
@@ -2077,11 +2077,12 @@ export function resolveCliConfig(
         baseUrl: offer.baseUrl,
       };
       autoEnvKey = { apiKey: offer.apiKey, source: `env:${offer.keyVar}` };
-      autoEnvNotice = setupCopy(undefined, '[moss] Using {key} → {provider} @ {baseUrl}', {
-        key: offer.keyVar,
-        provider: offer.provider,
-        baseUrl: offer.baseUrl,
-      });
+      // Config also initializes module defaults while cli-locale is importing it;
+      // its translation table is not initialized yet in that import order.
+      autoEnvNotice = uiText(
+        `[moss] Using ${offer.keyVar} → ${offer.provider} @ ${offer.baseUrl}`,
+        `[moss] 使用 ${offer.keyVar} → ${offer.provider} @ ${offer.baseUrl}`
+      );
       autoEnvKeys.add('provider');
       autoEnvKeys.add('model');
       autoEnvKeys.add('baseUrl');

test/cli-env-locale-import.spec.mjs

@@ -0,0 +1,49 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+import { spawnSync } from 'node:child_process';
+import test from 'node:test';
+
+for (const locale of ['zh_CN.UTF-8', 'en_US.UTF-8']) {
+  test(`CLI module initializes with one environment provider in ${locale}`, () => {
+    const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'moss-env-locale-'));
+    try {
+      const env = { ...process.env };
+      for (const name of Object.keys(env)) {
+        if (
+          name.startsWith('MOSS_') ||
+          /(?:API_KEY|API_TOKEN|ACCESS_TOKEN|BASE_URL)$/.test(name) ||
+          /^(?:MOSS_LANG|MOSS_LOCALE|HTTP_PROXY|HTTPS_PROXY|ALL_PROXY|http_proxy|https_proxy|all_proxy)$/.test(
+            name
+          )
+        )
+          delete env[name];
+      }
+      Object.assign(env, {
+        MOSS_CONFIG_DIR: dir,
+        LANG: locale,
+        LC_ALL: locale,
+        DEEPSEEK_API_KEY: 'fixture-key-never-send',
+      });
+      const target = new URL('../dist/cli/oneshot.js', import.meta.url).href;
+      const configModule = new URL('../dist/cli/config.js', import.meta.url).href;
+      const code = `globalThis.fetch = () => { throw new Error('Unexpected fetch during module initialization'); }; await import(${JSON.stringify(target)}); const {resolveCliConfig} = await import(${JSON.stringify(configModule)}); console.log(JSON.stringify({notice:resolveCliConfig(process.env,{},{}).autoEnvNotice}));`;
+      const result = spawnSync(process.execPath, ['--input-type=module', '-e', code], {
+        cwd: dir,
+        env,
+        encoding: 'utf8',
+        timeout: 10000,
+      });
+      assert.equal(result.status, 0, result.stderr);
+      const { notice } = JSON.parse(result.stdout);
+      assert.match(
+        notice,
+        locale.startsWith('zh') ? /使用 DEEPSEEK_API_KEY/ : /Using DEEPSEEK_API_KEY/
+      );
+      assert.doesNotMatch(result.stdout + result.stderr, /fixture-key-never-send/);
+    } finally {
+      fs.rmSync(dir, { recursive: true, force: true });
+    }
+  });
+}