test(preflight): 補 codex 模型檢查與 auth 失效測試

.gitea/workflows/ci.yaml

@@ -8,6 +8,8 @@ jobs:
     runs-on: ubuntu
     env:
       VERSION: "0.0.0-beta.${{ gitea.run_number }}"
+    outputs:
+      version: ${{ env.VERSION }}
     steps:
     - name: Publishing Release
       uses: akkuman/gitea-release-action@${{ vars.ACTION_GITEA_RELEASE_VERSION }}
@@ -20,8 +22,8 @@ jobs:
     name: 2. TEST
     runs-on: ubuntu
     needs: [build]
-    outputs:
+    env:
-      message: ${{ steps.composite-template.outputs.message }}
+      VERSION: ${{ needs.build.outputs.version }}
     steps:
     - name: Setup LLM CLI
       uses: https://gitea.jsc.idv.tw/actions/setup-${{ vars.ACTION_SETUP_LLM_CLI }}

src/config.js

@@ -30,7 +30,7 @@ const PR = EVENT.pull_request || {};
 // 無對應輸入的欄位（server url / repository / PR_*）則走專用 env → runner 內建 / 事件 payload。
 // 使用端 workflow 只需傳 `with: token`。
 export const GITEA_TOKEN = process.env.INPUT_TOKEN || process.env.GITEA_TOKEN || '';
-export const GITEA_COMMENT_TOKEN = process.env.INPUT_COMMENT_TOKEN || process.env.GITEA_COMMENT_TOKEN || '';
+export const GITEA_COMMENT_TOKEN = process.env.INPUT_COMMENT_TOKEN || process.env.GITEA_COMMENT_TOKEN || process.env.INPUT_TOKEN || process.env.GITEA_TOKEN || '';
 export const GITEA_SERVER_URL = process.env.GITEA_SERVER_URL || process.env.GITHUB_SERVER_URL || 'https://gitea.com';
 export const GITEA_REPOSITORY = process.env.GITEA_REPOSITORY || process.env.GITHUB_REPOSITORY || '';
 export const PR_NUMBER = process.env.PR_NUMBER || (PR.number != null ? String(PR.number) : '');

src/preflight.js

@@ -1,4 +1,7 @@
 import axios from 'axios';
+import fs from 'fs';
+import os from 'os';
+import { join } from 'path';
 import {
   GITEA_TOKEN,
   GITEA_COMMENT_TOKEN,
@@ -11,6 +14,9 @@ import {
 import { verifyRemoteAccess } from './git.js';
 import { step, line, ok, error, result } from './log.js';
 
+// codex 內部用來取得帳號可用模型清單的端點；auth 失效時會回 HTTP 401。
+const CODEX_MODELS_ENDPOINT = 'https://chatgpt.com/backend-api/codex/models';
+
 const httpsAgent = getInsecureHttpsAgent();
 /**
  * 組出 Gitea REST API v1 的完整網址。
@@ -95,22 +101,87 @@ export async function verifyCommentToken(token = GITEA_COMMENT_TOKEN) {
   }
 }
 
+/**
+ * 讀取本機 codex 認證檔，向模型清單端點確認帳號目前可用的模型 slug。
+ *
+ * 用途：preflight 期即時分辨「auth 失效（HTTP 401）」與「模型無權限（不在清單）」，
+ * 不必等到 Step5 每個角色送 prompt 才神秘失敗。只讀清單、不送 prompt，不消耗生成額度。
+ * 所有錯誤都被攔截並轉為回傳值，不會 throw。
+ *
+ * @param {object} [deps] - 可注入相依，供測試避免真的讀檔/打網路。
+ * @param {typeof fetch} [deps.fetchImpl=fetch] - HTTP 取得函式。
+ * @param {string} [deps.authPath=~/.codex/auth.json] - codex 認證檔路徑。
+ * @param {string} [deps.clientVersion] - 帶給端點的 client_version 查詢參數。
+ * @returns {Promise<{ok: true, slugs: string[]}|{ok: false, error: string}>}
+ *   成功回傳可用模型 slug 陣列；失敗回傳格式化錯誤訊息。
+ */
+export async function fetchCodexModels({
+  fetchImpl = fetch,
+  authPath = join(os.homedir(), '.codex', 'auth.json'),
+  clientVersion = '0.142.5',
+} = {}) {
+  let auth;
+  try {
+    auth = JSON.parse(fs.readFileSync(authPath, 'utf8'));
+  } catch (e) {
+    return { ok: false, error: `無法讀取 codex 認證檔（${authPath}）: ${e.message}` };
+  }
+  const tokens = auth.tokens || {};
+  if (!tokens.access_token) return { ok: false, error: 'codex 認證檔缺少 tokens.access_token' };
+
+  const headers = { Authorization: `Bearer ${tokens.access_token}` };
+  if (tokens.account_id) headers['chatgpt-account-id'] = tokens.account_id;
+
+  let resp;
+  try {
+    resp = await fetchImpl(`${CODEX_MODELS_ENDPOINT}?client_version=${clientVersion}`, { headers });
+  } catch (e) {
+    return { ok: false, error: `codex 模型清單查詢連線錯誤: ${e.message}` };
+  }
+  if (resp.status === 401) {
+    return { ok: false, error: 'codex 認證失效（HTTP 401）——token 已被撤銷或過期，請重新登入 codex 並更新 LLM_OAUTH secret' };
+  }
+  if (!resp.ok) {
+    return { ok: false, error: `codex 模型清單查詢失敗（HTTP ${resp.status}）` };
+  }
+  let data;
+  try {
+    data = await resp.json();
+  } catch (e) {
+    return { ok: false, error: `codex 模型清單回應解析失敗: ${e.message}` };
+  }
+  const slugs = Array.isArray(data.models) ? data.models.map(m => m.slug).filter(Boolean) : [];
+  return { ok: true, slugs };
+}
+
 /**
  * 驗證 LLM（AI 助理 CLI）設定可用。
  *
- * 確認目前環境可偵測到支援的 CLI，且已解析出 model。實際模型可用性由 CLI
+ * 確認目前環境可偵測到支援的 CLI 且已解析出 model；provider 為 codex 時，
- * 在正式呼叫時回報；preflight 不主動送 prompt，避免額外消耗額度。
+ * 額外向模型清單端點確認 auth 有效且設定的 model 在可用清單內（不送 prompt）。
+ * @param {object} [deps] - 可注入相依，供測試。
+ * @param {Function} [deps.fetchCodexModelsFn=fetchCodexModels] - codex 模型清單取得函式。
  * @returns {Promise<
- *   {ok: true, provider: string, command: string, model: string} |
+ *   {ok: true, provider: string, command: string, model: string, models?: string[]} |
- *   {ok: false, provider?: string, error: string}
+ *   {ok: false, provider?: string, command?: string, model?: string, error: string}
  * >}
- *   通過時含 provider、command 與 model；未設定 provider 的失敗分支不含 provider 欄位。
+ *   通過時含 provider、command、model（codex 另含 models 清單）；未設定 provider 的失敗分支不含 provider。
  * @remarks 設定來源為 config.js 的 getLLMConfig()。
  */
-export async function verifyLLM() {
+export async function verifyLLM({ fetchCodexModelsFn = fetchCodexModels } = {}) {
   const { provider, command, model } = getLLMConfig();
   if (!provider || !command) return { ok: false, error: '未偵測到可用 AI 助理 CLI，請安裝 codex、claude、antigravity 或 opencode' };
   if (!model) return { ok: false, provider, error: '未設定 MODEL' };
+
+  if (provider === 'codex') {
+    const models = await fetchCodexModelsFn();
+    if (!models.ok) return { ok: false, provider, command, model, error: models.error };
+    if (!models.slugs.includes(model)) {
+      return { ok: false, provider, command, model, error: `模型 ${model} 不在 codex 可用清單: [${models.slugs.join(', ')}]` };
+    }
+    return { ok: true, provider, command, model, models: models.slugs };
+  }
+
   return { ok: true, provider, command, model };
 }
 
@@ -174,6 +245,7 @@ export async function runPreflight(workspace = process.env.GITHUB_WORKSPACE || '
     return false;
   }
   ok(`LLM CLI 可用（command=${llm.command}, provider=${llm.provider}, model=${llm.model}）`);
+  if (llm.models) line(`模型已確認在可用清單內（共 ${llm.models.length} 個可用模型）`);
 
   result(true, '前置驗證通過');
   return true;

src/test/preflight.test.js

@@ -4,7 +4,7 @@ import axios from 'axios';
 import { mkdtemp, writeFile, chmod, rm } from 'fs/promises';
 import { tmpdir } from 'os';
 import { join } from 'path';
-import { checkRequiredEnv, verifyGiteaToken, verifyCommentToken, verifyLLM, runPreflight } from '../preflight.js';
+import { checkRequiredEnv, verifyGiteaToken, verifyCommentToken, verifyLLM, fetchCodexModels, runPreflight } from '../preflight.js';
 
 const LLM_ENV_KEYS = [
   'AI_ASSISTANT_CLI', 'MODEL', 'OPENCODE_MODEL', 'PATH',
@@ -130,18 +130,52 @@ describe('verifyLLM', () => {
     assert.match(result.error, /AI 助理 CLI/);
   });
 
-  it('passes when a supported assistant CLI is detected', async () => {
+  it('passes when a supported assistant CLI is detected and the model is in the codex list', async () => {
     clearLLMEnv();
     await installFakeCLI('codex');
     process.env.AI_ASSISTANT_CLI = 'codex';
-    process.env.MODEL = 'gpt-5-mini';
+    process.env.MODEL = 'gpt-5.4-mini';
 
-    const result = await verifyLLM();
+    const result = await verifyLLM({
+      fetchCodexModelsFn: async () => ({ ok: true, slugs: ['gpt-5.5', 'gpt-5.4-mini'] }),
+    });
 
     assert.equal(result.ok, true);
     assert.equal(result.provider, 'codex');
     assert.equal(result.command, 'codex');
-    assert.equal(result.model, 'gpt-5-mini');
+    assert.equal(result.model, 'gpt-5.4-mini');
+    assert.deepEqual(result.models, ['gpt-5.5', 'gpt-5.4-mini']);
+  });
+
+  it('fails when codex auth is invalid (model list check reports 401)', async () => {
+    clearLLMEnv();
+    await installFakeCLI('codex');
+    process.env.AI_ASSISTANT_CLI = 'codex';
+    process.env.MODEL = 'gpt-5.4-mini';
+
+    const result = await verifyLLM({
+      fetchCodexModelsFn: async () => ({ ok: false, error: 'codex 認證失效（HTTP 401）——token 已被撤銷或過期，請重新登入 codex 並更新 LLM_OAUTH secret' }),
+    });
+
+    assert.equal(result.ok, false);
+    assert.equal(result.provider, 'codex');
+    assert.match(result.error, /HTTP 401/);
+    assert.match(result.error, /LLM_OAUTH/);
+  });
+
+  it('fails when the configured model is not in the codex available list', async () => {
+    clearLLMEnv();
+    await installFakeCLI('codex');
+    process.env.AI_ASSISTANT_CLI = 'codex';
+    process.env.MODEL = 'gpt-9-imaginary';
+
+    const result = await verifyLLM({
+      fetchCodexModelsFn: async () => ({ ok: true, slugs: ['gpt-5.5', 'gpt-5.4-mini'] }),
+    });
+
+    assert.equal(result.ok, false);
+    assert.match(result.error, /不在 codex 可用清單/);
+    assert.match(result.error, /gpt-5\.4-mini/);
   });
 
   it('fails when a requested CLI is not installed', async () => {
@@ -157,6 +191,59 @@ describe('verifyLLM', () => {
 
 });
 
+describe('fetchCodexModels', () => {
+  async function writeAuth(json) {
+    tempDir = await mkdtemp(join(tmpdir(), 'codex-auth-test-'));
+    const authPath = join(tempDir, 'auth.json');
+    await writeFile(authPath, JSON.stringify(json));
+    return authPath;
+  }
+
+  it('returns the model slugs on HTTP 200', async () => {
+    const authPath = await writeAuth({ tokens: { access_token: 'tok', account_id: 'acc' } });
+    let capturedUrl, capturedHeaders;
+    const result = await fetchCodexModels({
+      authPath,
+      fetchImpl: async (url, opts) => {
+        capturedUrl = url;
+        capturedHeaders = opts.headers;
+        return { status: 200, ok: true, json: async () => ({ models: [{ slug: 'gpt-5.5' }, { slug: 'gpt-5.4-mini' }] }) };
+      },
+    });
+    assert.deepEqual(result, { ok: true, slugs: ['gpt-5.5', 'gpt-5.4-mini'] });
+    assert.match(capturedUrl, /client_version=/);
+    assert.equal(capturedHeaders['Authorization'], 'Bearer tok');
+    assert.equal(capturedHeaders['chatgpt-account-id'], 'acc');
+  });
+
+  it('reports an auth failure on HTTP 401', async () => {
+    const authPath = await writeAuth({ tokens: { access_token: 'revoked' } });
+    const result = await fetchCodexModels({
+      authPath,
+      fetchImpl: async () => ({ status: 401, ok: false, json: async () => ({}) }),
+    });
+    assert.equal(result.ok, false);
+    assert.match(result.error, /HTTP 401/);
+    assert.match(result.error, /LLM_OAUTH/);
+  });
+
+  it('fails when the auth file cannot be read', async () => {
+    const result = await fetchCodexModels({
+      authPath: join(tmpdir(), 'definitely-missing-codex-auth-xyz.json'),
+      fetchImpl: async () => ({ status: 200, ok: true, json: async () => ({ models: [] }) }),
+    });
+    assert.equal(result.ok, false);
+    assert.match(result.error, /無法讀取 codex 認證檔/);
+  });
+
+  it('fails when the auth file lacks an access_token', async () => {
+    const authPath = await writeAuth({ tokens: {} });
+    const result = await fetchCodexModels({ authPath, fetchImpl: async () => ({ status: 200, ok: true, json: async () => ({}) }) });
+    assert.equal(result.ok, false);
+    assert.match(result.error, /缺少 tokens\.access_token/);
+  });
+});
+
 describe('runPreflight', () => {
   function makeDeps(overrides = {}) {
     return {