Merge pull request #129 from cita-777/feature/oauth-codex-management

feat: implement Codex OAuth flow with loopback callback server and ma…
2026-03-17 12:01:53 +08:00
parent c156e0c164 575a15232b
commit 4e3dc92083
40 changed files with 3219 additions and 32 deletions
@@ -3,7 +3,7 @@ import type { FastifyInstance } from 'fastify';
 const DESKTOP_HEALTH_ROUTE = '/api/desktop/health';

 export function isPublicApiRoute(url: string): boolean {
-  return url === DESKTOP_HEALTH_ROUTE;
+  return url === DESKTOP_HEALTH_ROUTE || url.startsWith('/api/oauth/callback/');
 }

 export async function registerDesktopRoutes(app: FastifyInstance) {
@@ -17,6 +17,7 @@ import { taskRoutes } from './routes/api/tasks.js';
 import { testRoutes } from './routes/api/test.js';
 import { monitorRoutes } from './routes/api/monitor.js';
 import { downstreamApiKeysRoutes } from './routes/api/downstreamApiKeys.js';
+import { oauthRoutes } from './routes/api/oauth.js';
 import { proxyRoutes } from './routes/proxy/router.js';
 import { startScheduler } from './services/checkinScheduler.js';
 import { setLegacyProxyLogRetentionFallbackEnabled, stopProxyLogRetentionService } from './services/proxyLogRetentionService.js';
@@ -24,6 +25,7 @@ import { buildStartupSummaryLines } from './services/startupInfo.js';
 import { repairStoredCreatedAtValues } from './services/storedTimestampRepairService.js';
 import { migrateSiteApiKeysToAccounts } from './services/siteApiKeyMigrationService.js';
 import { ensureDefaultSitesSeeded } from './services/defaultSiteSeedService.js';
+import { startCodexLoopbackCallbackServer, stopCodexLoopbackCallbackServer } from './services/oauth/localCallbackServer.js';
 import { ensureRuntimeDatabaseReady } from './runtimeDatabaseBootstrap.js';
 import { isPublicApiRoute, registerDesktopRoutes } from './desktop.js';
 import { existsSync } from 'fs';
@@ -312,6 +314,7 @@ await app.register(taskRoutes);
 await app.register(testRoutes);
 await app.register(monitorRoutes);
 await app.register(downstreamApiKeysRoutes);
+await app.register(oauthRoutes);

 // Register OpenAI-compatible proxy routes
 await app.register(proxyRoutes);
@@ -345,9 +348,15 @@ if (existsSync(webDir)) {

 // Start scheduler
 await startScheduler();
+try {
+  await startCodexLoopbackCallbackServer();
+} catch (error) {
+  console.warn(`Failed to start Codex OAuth callback listener: ${(error as Error)?.message || 'unknown error'}`);
+}
 setLegacyProxyLogRetentionFallbackEnabled(!config.logCleanupConfigured);
 app.addHook('onClose', async () => {
  stopProxyLogRetentionService();
+  await stopCodexLoopbackCallbackServer();
 });

 // Start server
@@ -172,6 +172,62 @@ describe('accounts credential mode', { timeout: 15_000 }, () => {
    });
  });

+  it('marks codex oauth connection as proxy-capable but not checkin/balance-capable', async () => {
+    const site = await db.insert(schema.sites).values({
+      name: 'Codex Site',
+      url: 'https://chatgpt.com/backend-api/codex',
+      platform: 'codex',
+    }).returning().get();
+
+    const account = await db.insert(schema.accounts).values({
+      siteId: site.id,
+      username: 'codex-user@example.com',
+      accessToken: 'oauth-access-token',
+      apiToken: null,
+      status: 'active',
+      checkinEnabled: false,
+      extraConfig: JSON.stringify({
+        credentialMode: 'session',
+        oauth: {
+          provider: 'codex',
+          accountId: 'chatgpt-account-123',
+          email: 'codex-user@example.com',
+          planType: 'plus',
+        },
+      }),
+    }).returning().get();
+
+    await db.insert(schema.modelAvailability).values({
+      accountId: account.id,
+      modelName: 'gpt-5.2-codex',
+      available: true,
+      checkedAt: '2026-03-16T12:00:00.000Z',
+    }).run();
+
+    const listResponse = await app.inject({
+      method: 'GET',
+      url: '/api/accounts',
+    });
+    expect(listResponse.statusCode).toBe(200);
+
+    const list = listResponse.json() as Array<{
+      id: number;
+      credentialMode?: string;
+      capabilities?: {
+        canCheckin?: boolean;
+        canRefreshBalance?: boolean;
+        proxyOnly?: boolean;
+      };
+    }>;
+    const item = list.find((entry) => entry.id === account.id);
+    expect(item?.credentialMode).toBe('session');
+    expect(item?.capabilities).toMatchObject({
+      canCheckin: false,
+      canRefreshBalance: false,
+      proxyOnly: false,
+    });
+  });
+
  it('stores managed refresh token for sub2api session account', async () => {
    verifyTokenMock.mockResolvedValueOnce({
      tokenType: 'session',
@@ -19,6 +19,7 @@ import { startBackgroundTask } from '../../services/backgroundTaskService.js';
 import { parseCheckinRewardAmount } from '../../services/checkinRewardParser.js';
 import { estimateRewardWithTodayIncomeFallback } from '../../services/todayIncomeRewardService.js';
 import { getLocalDayRangeUtc } from '../../services/localTimeService.js';
+import { isCodexPlatform } from '../../services/oauth/codexAccount.js';
 import {
  buildRuntimeHealthForAccount,
  setAccountRuntimeHealth,
@@ -79,7 +80,15 @@ function resolveStoredCredentialMode(account: typeof schema.accounts.$inferSelec
 function buildCapabilitiesFromCredentialMode(
  credentialMode: AccountCredentialMode,
  hasSessionToken: boolean,
+  extraConfig?: string | null,
 ): AccountCapabilities {
+  if (isCodexPlatform(extraConfig)) {
+    return {
+      canCheckin: false,
+      canRefreshBalance: false,
+      proxyOnly: false,
+    };
+  }
  const sessionCapable = credentialMode === 'session'
    ? hasSessionToken
    : (credentialMode === 'apikey' ? false : hasSessionToken);
@@ -92,7 +101,7 @@ function buildCapabilitiesFromCredentialMode(

 function buildCapabilitiesForAccount(account: typeof schema.accounts.$inferSelect): AccountCapabilities {
  const credentialMode = resolveStoredCredentialMode(account);
-  return buildCapabilitiesFromCredentialMode(credentialMode, hasSessionTokenValue(account.accessToken));
+  return buildCapabilitiesFromCredentialMode(credentialMode, hasSessionTokenValue(account.accessToken), account.extraConfig);
 }

 function normalizeBatchIds(input: unknown): number[] {
@@ -410,6 +419,7 @@ export async function accountsRoutes(app: FastifyInstance) {
        capabilities: buildCapabilitiesFromCredentialMode(
          credentialMode,
          hasSessionTokenValue(r.accounts.accessToken),
+          r.accounts.extraConfig,
        ),
        todaySpend: Math.round((spendByAccount[r.accounts.id] || 0) * 1_000_000) / 1_000_000,
        todayReward: Math.round(estimateRewardWithTodayIncomeFallback({
@@ -426,6 +436,7 @@ export async function accountsRoutes(app: FastifyInstance) {
          sessionCapable: buildCapabilitiesFromCredentialMode(
            credentialMode,
            hasSessionTokenValue(r.accounts.accessToken),
+            r.accounts.extraConfig,
          ).canRefreshBalance,
          hasDiscoveredModels: (modelCountByAccount[r.accounts.id] || 0) > 0,
        }),
@@ -968,7 +979,7 @@ export async function accountsRoutes(app: FastifyInstance) {
        account: latest,
        tokenType: 'session',
        credentialMode: 'session',
-        capabilities: latest ? buildCapabilitiesForAccount(latest) : buildCapabilitiesFromCredentialMode('session', true),
+        capabilities: latest ? buildCapabilitiesForAccount(latest) : buildCapabilitiesFromCredentialMode('session', true, null),
        apiTokenFound: !!nextApiToken,
      };
    },
@@ -1138,7 +1149,7 @@ export async function accountsRoutes(app: FastifyInstance) {
    const finalCredentialMode = account ? resolveStoredCredentialMode(account) : resolvedCredentialMode;
    const capabilities = account
      ? buildCapabilitiesForAccount(account)
-      : buildCapabilitiesFromCredentialMode(finalCredentialMode, tokenType === 'session');
+      : buildCapabilitiesFromCredentialMode(finalCredentialMode, tokenType === 'session', null);
    return {
      ...account,
      tokenType,
@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest';
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+
+describe('oauth route registration', () => {
+  it('registers oauth routes in the main server entry', () => {
+    const source = readFileSync(resolve(process.cwd(), 'src/server/index.ts'), 'utf8');
+
+    expect(source).toContain("import { oauthRoutes } from './routes/api/oauth.js';");
+    expect(source).toContain('await app.register(oauthRoutes);');
+  });
+
+  it('treats oauth callback as a public API route', () => {
+    const source = readFileSync(resolve(process.cwd(), 'src/server/desktop.ts'), 'utf8');
+
+    expect(source).toContain("url.startsWith('/api/oauth/callback/')");
+  });
+});
@@ -0,0 +1,369 @@
+import Fastify, { type FastifyInstance } from 'fastify';
+import { afterAll, beforeAll, beforeEach, describe, expect, it, vi } from 'vitest';
+import { mkdtempSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+
+const fetchMock = vi.fn();
+
+vi.mock('undici', () => ({
+  fetch: (...args: unknown[]) => fetchMock(...args),
+}));
+
+type DbModule = typeof import('../../db/index.js');
+
+function buildJwt(payload: Record<string, unknown>) {
+  const encode = (value: unknown) => Buffer.from(JSON.stringify(value))
+    .toString('base64url');
+  return `${encode({ alg: 'none', typ: 'JWT' })}.${encode(payload)}.signature`;
+}
+
+describe('oauth routes', { timeout: 15_000 }, () => {
+  let app: FastifyInstance;
+  let db: DbModule['db'];
+  let schema: DbModule['schema'];
+  let dataDir = '';
+
+  beforeAll(async () => {
+    dataDir = mkdtempSync(join(tmpdir(), 'metapi-oauth-routes-'));
+    process.env.DATA_DIR = dataDir;
+
+    await import('../../db/migrate.js');
+    const dbModule = await import('../../db/index.js');
+    const routesModule = await import('./oauth.js');
+    db = dbModule.db;
+    schema = dbModule.schema;
+
+    app = Fastify();
+    await app.register(routesModule.oauthRoutes);
+  });
+
+  beforeEach(async () => {
+    fetchMock.mockReset();
+    await db.delete(schema.routeChannels).run();
+    await db.delete(schema.tokenRoutes).run();
+    await db.delete(schema.tokenModelAvailability).run();
+    await db.delete(schema.modelAvailability).run();
+    await db.delete(schema.accountTokens).run();
+    await db.delete(schema.accounts).run();
+    await db.delete(schema.sites).run();
+  });
+
+  afterAll(async () => {
+    await app.close();
+    delete process.env.DATA_DIR;
+  });
+
+  it('lists codex oauth provider metadata', async () => {
+    const response = await app.inject({
+      method: 'GET',
+      url: '/api/oauth/providers',
+    });
+
+    expect(response.statusCode).toBe(200);
+    expect(response.json()).toMatchObject({
+      providers: [
+        expect.objectContaining({
+          provider: 'codex',
+          platform: 'codex',
+          enabled: true,
+          loginType: 'oauth',
+        }),
+      ],
+    });
+  });
+
+  it('starts a codex oauth session and exposes pending status', async () => {
+    const startResponse = await app.inject({
+      method: 'POST',
+      url: '/api/oauth/providers/codex/start',
+      headers: {
+        host: 'metapi.example',
+        'x-forwarded-proto': 'https',
+      },
+    });
+
+    expect(startResponse.statusCode).toBe(200);
+    const startBody = startResponse.json() as {
+      provider: string;
+      state: string;
+      authorizationUrl: string;
+    };
+    expect(startBody.provider).toBe('codex');
+    expect(startBody.state).toMatch(/^[a-zA-Z0-9_-]{20,}$/);
+    expect(startBody.authorizationUrl).toContain('https://auth.openai.com/oauth/authorize?');
+    expect(startBody.authorizationUrl).toContain('client_id=');
+    expect(startBody.authorizationUrl).toContain(encodeURIComponent('http://localhost:1455/auth/callback'));
+    expect(startBody.authorizationUrl).toContain(`state=${encodeURIComponent(startBody.state)}`);
+    expect(startBody.authorizationUrl).toContain('code_challenge=');
+
+    const sessionResponse = await app.inject({
+      method: 'GET',
+      url: `/api/oauth/sessions/${startBody.state}`,
+    });
+    expect(sessionResponse.statusCode).toBe(200);
+    expect(sessionResponse.json()).toMatchObject({
+      provider: 'codex',
+      state: startBody.state,
+      status: 'pending',
+    });
+  });
+
+  it('handles codex callback, creates oauth-backed account, and discovers plan models', async () => {
+    const jwt = buildJwt({
+      email: 'codex-user@example.com',
+      'https://api.openai.com/auth': {
+        chatgpt_account_id: 'chatgpt-account-123',
+        chatgpt_plan_type: 'plus',
+      },
+    });
+    fetchMock
+      .mockResolvedValueOnce({
+        ok: true,
+        status: 200,
+        json: async () => ({
+          access_token: 'oauth-access-token',
+          refresh_token: 'oauth-refresh-token',
+          id_token: jwt,
+          expires_in: 3600,
+          token_type: 'Bearer',
+        }),
+        text: async () => JSON.stringify({ ok: true }),
+      })
+      .mockResolvedValueOnce({
+        ok: true,
+        status: 200,
+        json: async () => ({
+          models: [
+            { id: 'gpt-5.2-codex' },
+            { id: 'gpt-5' },
+            { id: 'gpt-5.4' },
+          ],
+        }),
+        text: async () => JSON.stringify({ ok: true }),
+      });
+
+    const startResponse = await app.inject({
+      method: 'POST',
+      url: '/api/oauth/providers/codex/start',
+      headers: {
+        host: 'metapi.example',
+        'x-forwarded-proto': 'https',
+      },
+    });
+    const startBody = startResponse.json() as { state: string };
+
+    const callbackResponse = await app.inject({
+      method: 'GET',
+      url: `/api/oauth/callback/codex?state=${encodeURIComponent(startBody.state)}&code=oauth-code-123`,
+      headers: {
+        host: 'metapi.example',
+        'x-forwarded-proto': 'https',
+      },
+    });
+    expect(callbackResponse.statusCode).toBe(200);
+    expect(callbackResponse.body).toContain('window.close()');
+
+    const sessionResponse = await app.inject({
+      method: 'GET',
+      url: `/api/oauth/sessions/${startBody.state}`,
+    });
+    expect(sessionResponse.statusCode).toBe(200);
+    const sessionBody = sessionResponse.json() as {
+      provider: string;
+      status: string;
+      accountId?: number;
+      siteId?: number;
+    };
+    expect(sessionBody).toMatchObject({
+      provider: 'codex',
+      status: 'success',
+    });
+    expect(sessionBody.accountId).toBeTypeOf('number');
+    expect(sessionBody.siteId).toBeTypeOf('number');
+
+    const sites = await db.select().from(schema.sites).all();
+    expect(sites).toHaveLength(1);
+    expect(sites[0]).toMatchObject({
+      platform: 'codex',
+      url: 'https://chatgpt.com/backend-api/codex',
+      status: 'active',
+    });
+
+    const accounts = await db.select().from(schema.accounts).all();
+    expect(accounts).toHaveLength(1);
+    expect(accounts[0]).toMatchObject({
+      siteId: sites[0]?.id,
+      username: 'codex-user@example.com',
+      accessToken: 'oauth-access-token',
+      checkinEnabled: false,
+      status: 'active',
+    });
+    expect(JSON.parse(accounts[0]?.extraConfig || '{}')).toMatchObject({
+      credentialMode: 'session',
+      oauth: {
+        provider: 'codex',
+        accountId: 'chatgpt-account-123',
+        email: 'codex-user@example.com',
+        planType: 'plus',
+        refreshToken: 'oauth-refresh-token',
+        idToken: jwt,
+      },
+    });
+
+    const models = await db.select().from(schema.modelAvailability).all();
+    const modelNames = models.map((row) => row.modelName);
+    expect(modelNames.sort()).toEqual(['gpt-5', 'gpt-5.2-codex', 'gpt-5.4']);
+  });
+
+  it('marks oauth session as error and avoids creating a connection when codex model discovery fails', async () => {
+    const jwt = buildJwt({
+      email: 'codex-fail@example.com',
+      'https://api.openai.com/auth': {
+        chatgpt_account_id: 'chatgpt-account-fail',
+        chatgpt_plan_type: 'team',
+      },
+    });
+    fetchMock
+      .mockResolvedValueOnce({
+        ok: true,
+        status: 200,
+        json: async () => ({
+          access_token: 'oauth-access-token',
+          refresh_token: 'oauth-refresh-token',
+          id_token: jwt,
+          expires_in: 3600,
+          token_type: 'Bearer',
+        }),
+        text: async () => JSON.stringify({ ok: true }),
+      })
+      .mockResolvedValueOnce({
+        ok: false,
+        status: 403,
+        json: async () => ({ error: 'forbidden' }),
+        text: async () => 'forbidden',
+      });
+
+    const startResponse = await app.inject({
+      method: 'POST',
+      url: '/api/oauth/providers/codex/start',
+      headers: {
+        host: 'metapi.example',
+        'x-forwarded-proto': 'https',
+      },
+    });
+    const startBody = startResponse.json() as { state: string };
+
+    const callbackResponse = await app.inject({
+      method: 'GET',
+      url: `/api/oauth/callback/codex?state=${encodeURIComponent(startBody.state)}&code=oauth-code-456`,
+      headers: {
+        host: 'metapi.example',
+        'x-forwarded-proto': 'https',
+      },
+    });
+    expect(callbackResponse.statusCode).toBe(200);
+    expect(callbackResponse.body).toContain('OAuth authorization failed');
+
+    const sessionResponse = await app.inject({
+      method: 'GET',
+      url: `/api/oauth/sessions/${startBody.state}`,
+    });
+    expect(sessionResponse.statusCode).toBe(200);
+    expect(sessionResponse.json()).toMatchObject({
+      provider: 'codex',
+      status: 'error',
+      error: expect.stringContaining('HTTP 403'),
+    });
+
+    const accounts = await db.select().from(schema.accounts).all();
+    expect(accounts).toEqual([]);
+
+    const connectionsResponse = await app.inject({
+      method: 'GET',
+      url: '/api/oauth/connections',
+    });
+    expect(connectionsResponse.statusCode).toBe(200);
+    expect(connectionsResponse.json()).toEqual({ items: [] });
+  });
+
+  it('lists oauth connection health metadata and supports deleting the connection', async () => {
+    const site = await db.insert(schema.sites).values({
+      name: 'ChatGPT Codex OAuth',
+      url: 'https://chatgpt.com/backend-api/codex',
+      platform: 'codex',
+      status: 'active',
+    }).returning().get();
+
+    const account = await db.insert(schema.accounts).values({
+      siteId: site.id,
+      username: 'codex-user@example.com',
+      accessToken: 'oauth-access-token',
+      apiToken: null,
+      status: 'active',
+      extraConfig: JSON.stringify({
+        credentialMode: 'session',
+        oauth: {
+          provider: 'codex',
+          accountId: 'chatgpt-account-123',
+          email: 'codex-user@example.com',
+          planType: 'team',
+          modelDiscoveryStatus: 'abnormal',
+          lastModelSyncAt: '2026-03-17T08:00:00.000Z',
+          lastModelSyncError: 'Codex 模型获取失败（HTTP 403: forbidden）',
+        },
+      }),
+    }).returning().get();
+
+    await db.insert(schema.modelAvailability).values({
+      accountId: account.id,
+      modelName: 'gpt-5.2-codex',
+      available: true,
+      checkedAt: '2026-03-17T08:00:00.000Z',
+    }).run();
+
+    const route = await db.insert(schema.tokenRoutes).values({
+      modelPattern: 'gpt-5.2-codex',
+      enabled: true,
+    }).returning().get();
+    await db.insert(schema.routeChannels).values({
+      routeId: route.id,
+      accountId: account.id,
+      tokenId: null,
+      priority: 0,
+      weight: 10,
+      enabled: true,
+      manualOverride: false,
+    }).run();
+
+    const listResponse = await app.inject({
+      method: 'GET',
+      url: '/api/oauth/connections',
+    });
+
+    expect(listResponse.statusCode).toBe(200);
+    expect(listResponse.json()).toEqual({
+      items: [
+        expect.objectContaining({
+          accountId: account.id,
+          provider: 'codex',
+          email: 'codex-user@example.com',
+          status: 'abnormal',
+          routeChannelCount: 1,
+          lastModelSyncAt: '2026-03-17T08:00:00.000Z',
+          lastModelSyncError: 'Codex 模型获取失败（HTTP 403: forbidden）',
+        }),
+      ],
+    });
+
+    const deleteResponse = await app.inject({
+      method: 'DELETE',
+      url: `/api/oauth/connections/${account.id}`,
+    });
+    expect(deleteResponse.statusCode).toBe(200);
+    expect(deleteResponse.json()).toEqual({ success: true });
+
+    const accounts = await db.select().from(schema.accounts).all();
+    expect(accounts).toEqual([]);
+  });
+});
@@ -0,0 +1,111 @@
+import type { FastifyInstance, FastifyRequest } from 'fastify';
+import {
+  deleteOauthConnection,
+  getOauthSessionStatus,
+  handleOauthCallback,
+  listOauthConnections,
+  listOauthProviders,
+  startOauthProviderFlow,
+  startOauthRebindFlow,
+} from '../../services/oauth/service.js';
+
+function resolveRequestOrigin(request: FastifyRequest): string {
+  const forwardedProto = typeof request.headers['x-forwarded-proto'] === 'string'
+    ? request.headers['x-forwarded-proto'].split(',')[0]?.trim()
+    : '';
+  const protocol = forwardedProto || request.protocol || 'http';
+  const forwardedHost = typeof request.headers['x-forwarded-host'] === 'string'
+    ? request.headers['x-forwarded-host'].split(',')[0]?.trim()
+    : '';
+  const host = forwardedHost
+    || (typeof request.headers.host === 'string' ? request.headers.host.trim() : '')
+    || 'localhost';
+  return `${protocol}://${host}`;
+}
+
+export async function oauthRoutes(app: FastifyInstance) {
+  app.get('/api/oauth/providers', async () => ({
+    providers: listOauthProviders(),
+  }));
+
+  app.post<{ Params: { provider: string }; Body: { accountId?: number } }>(
+    '/api/oauth/providers/:provider/start',
+    async (request, reply) => {
+      try {
+        return startOauthProviderFlow({
+          provider: request.params.provider,
+          redirectOrigin: resolveRequestOrigin(request),
+          rebindAccountId: request.body?.accountId,
+        });
+      } catch (error: any) {
+        return reply.code(404).send({ message: error?.message || 'oauth provider not found' });
+      }
+    },
+  );
+
+  app.get<{ Params: { state: string } }>('/api/oauth/sessions/:state', async (request, reply) => {
+    const session = getOauthSessionStatus(request.params.state);
+    if (!session) {
+      return reply.code(404).send({ message: 'oauth session not found' });
+    }
+    return session;
+  });
+
+  app.get('/api/oauth/connections', async () => ({
+    items: await listOauthConnections(),
+  }));
+
+  app.post<{ Params: { accountId: string } }>(
+    '/api/oauth/connections/:accountId/rebind',
+    async (request, reply) => {
+      try {
+        const accountId = Number.parseInt(request.params.accountId, 10);
+        return await startOauthRebindFlow(accountId, resolveRequestOrigin(request));
+      } catch (error: any) {
+        return reply.code(404).send({ message: error?.message || 'oauth account not found' });
+      }
+    },
+  );
+
+  app.delete<{ Params: { accountId: string } }>(
+    '/api/oauth/connections/:accountId',
+    async (request, reply) => {
+      try {
+        const accountId = Number.parseInt(request.params.accountId, 10);
+        return await deleteOauthConnection(accountId);
+      } catch (error: any) {
+        return reply.code(404).send({ message: error?.message || 'oauth account not found' });
+      }
+    },
+  );
+
+  app.get<{ Params: { provider: string }; Querystring: { state?: string; code?: string; error?: string } }>(
+    '/api/oauth/callback/:provider',
+    async (request, reply) => {
+      let message = 'OAuth callback received.';
+      try {
+        await handleOauthCallback({
+          provider: request.params.provider,
+          state: String(request.query.state || ''),
+          code: request.query.code,
+          error: request.query.error,
+        });
+        message = 'OAuth authorization succeeded. You can close this window.';
+      } catch (error: any) {
+        message = `OAuth authorization failed: ${error?.message || 'unknown error'}`;
+      }
+
+    reply.type('text/html; charset=utf-8');
+    return `<!doctype html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="utf-8" />
+    <title>OAuth Callback</title>
+  </head>
+  <body>
+    <script>window.close();</script>
+    ${message}
+  </body>
+</html>`;
+  });
+}
@@ -137,4 +137,57 @@ describe('search routes', () => {
      ],
    });
  });
+
+  it('includes oauth direct-account model availability in model search results', async () => {
+    const site = await db.insert(schema.sites).values({
+      name: 'codex site',
+      url: 'https://chatgpt.com/backend-api/codex',
+      platform: 'codex',
+      status: 'active',
+    }).returning().get();
+
+    const account = await db.insert(schema.accounts).values({
+      siteId: site.id,
+      username: 'codex-user@example.com',
+      accessToken: 'oauth-access-token',
+      apiToken: null,
+      status: 'active',
+      extraConfig: mergeAccountExtraConfig(null, {
+        credentialMode: 'session',
+        oauth: {
+          provider: 'codex',
+          accountId: 'chatgpt-account-123',
+          email: 'codex-user@example.com',
+          planType: 'team',
+        },
+      }),
+    }).returning().get();
+
+    await db.insert(schema.modelAvailability).values({
+      accountId: account.id,
+      modelName: 'gpt-5.2-codex',
+      available: true,
+    }).run();
+
+    const response = await app.inject({
+      method: 'POST',
+      url: '/api/search',
+      payload: {
+        query: 'gpt-5.2',
+        limit: 20,
+      },
+    });
+
+    expect(response.statusCode).toBe(200);
+    expect(response.json()).toMatchObject({
+      models: [
+        expect.objectContaining({
+          name: 'gpt-5.2-codex',
+          accountCount: 1,
+          tokenCount: 0,
+          siteCount: 1,
+        }),
+      ],
+    });
+  });
 });
@@ -2,7 +2,7 @@ import { FastifyInstance } from 'fastify';
 import { db, schema } from '../../db/index.js';
 import { and, like, desc, eq, or } from 'drizzle-orm';
 import { getProxyLogBaseSelectFields } from '../../services/proxyLogStore.js';
-import { getCredentialModeFromExtraConfig } from '../../services/accountExtraConfig.js';
+import { getCredentialModeFromExtraConfig, supportsDirectAccountRoutingConnection } from '../../services/accountExtraConfig.js';
 import { ACCOUNT_TOKEN_VALUE_STATUS_READY } from '../../services/accountTokenService.js';

 function hasSessionTokenValue(value: string | null | undefined): boolean {
@@ -141,6 +141,25 @@ export async function searchRoutes(app: FastifyInstance) {
      )
      .limit(perCategory * 20)
      .all();
+    const directAccountModelRows = await db.select({
+      modelName: schema.modelAvailability.modelName,
+      accountId: schema.accounts.id,
+      siteId: schema.sites.id,
+      accounts: schema.accounts,
+    })
+      .from(schema.modelAvailability)
+      .innerJoin(schema.accounts, eq(schema.modelAvailability.accountId, schema.accounts.id))
+      .innerJoin(schema.sites, eq(schema.accounts.siteId, schema.sites.id))
+      .where(
+        and(
+          like(schema.modelAvailability.modelName, q),
+          eq(schema.modelAvailability.available, true),
+          eq(schema.accounts.status, 'active'),
+          eq(schema.sites.status, 'active'),
+        ),
+      )
+      .limit(perCategory * 20)
+      .all();

    const modelAgg = new Map<string, { tokenIds: Set<number>; accountIds: Set<number>; siteIds: Set<number> }>();
    for (const row of modelRows) {
@@ -153,6 +172,16 @@ export async function searchRoutes(app: FastifyInstance) {
      agg.accountIds.add(row.accountId);
      agg.siteIds.add(row.siteId);
    }
+    for (const row of directAccountModelRows) {
+      if (!supportsDirectAccountRoutingConnection(row.accounts)) continue;
+      const key = row.modelName;
+      if (!modelAgg.has(key)) {
+        modelAgg.set(key, { tokenIds: new Set(), accountIds: new Set(), siteIds: new Set() });
+      }
+      const agg = modelAgg.get(key)!;
+      agg.accountIds.add(row.accountId);
+      agg.siteIds.add(row.siteId);
+    }

    const models = Array.from(modelAgg.entries())
      .map(([name, agg]) => ({
@@ -157,6 +157,52 @@ describe('/api/models/token-candidates', () => {
    expect(body.modelsMissingTokenGroups['gpt-5.2-codex']).toBeUndefined();
  });

+  it('does not report oauth direct connections as missing account tokens', async () => {
+    const site = await db.insert(schema.sites).values({
+      name: 'codex-site',
+      url: 'https://chatgpt.com/backend-api/codex',
+      platform: 'codex',
+      status: 'active',
+    }).returning().get();
+
+    const account = await db.insert(schema.accounts).values({
+      siteId: site.id,
+      username: 'codex-user@example.com',
+      accessToken: 'oauth-access-token',
+      apiToken: null,
+      status: 'active',
+      extraConfig: JSON.stringify({
+        credentialMode: 'session',
+        oauth: {
+          provider: 'codex',
+          accountId: 'chatgpt-account-123',
+          email: 'codex-user@example.com',
+          planType: 'team',
+        },
+      }),
+    }).returning().get();
+
+    await db.insert(schema.modelAvailability).values({
+      accountId: account.id,
+      modelName: 'gpt-5.2-codex',
+      available: true,
+    }).run();
+
+    const response = await app.inject({
+      method: 'GET',
+      url: '/api/models/token-candidates',
+    });
+
+    expect(response.statusCode).toBe(200);
+    const body = response.json() as {
+      modelsWithoutToken: Record<string, Array<{ accountId: number }>>;
+      modelsMissingTokenGroups: Record<string, Array<{ accountId: number }>>;
+    };
+
+    expect(body.modelsWithoutToken['gpt-5.2-codex']).toBeUndefined();
+    expect(body.modelsMissingTokenGroups['gpt-5.2-codex']).toBeUndefined();
+  });
+
  it('returns modelsMissingTokenGroups when account has partial group token coverage', async () => {
    const site = await db.insert(schema.sites).values({
      name: 'site-b',
@@ -17,7 +17,7 @@ import {
  parseProxyLogBillingDetails,
  withProxyLogSelectFields,
 } from '../../services/proxyLogStore.js';
-import { getCredentialModeFromExtraConfig } from '../../services/accountExtraConfig.js';
+import { requiresManagedAccountTokens } from '../../services/accountExtraConfig.js';
 import { ACCOUNT_TOKEN_VALUE_STATUS_READY } from '../../services/accountTokenService.js';
 import {
  formatLocalDateTime,
@@ -34,12 +34,6 @@ function parseBooleanFlag(raw?: string): boolean {
  return normalized === '1' || normalized === 'true' || normalized === 'yes';
 }

-function isApiKeyConnection(account: { accessToken?: string | null; extraConfig?: string | null }): boolean {
-  const explicit = getCredentialModeFromExtraConfig(account.extraConfig);
-  if (explicit && explicit !== 'auto') return explicit === 'apikey';
-  return !(account.accessToken || '').trim();
-}
-
 const MODELS_MARKETPLACE_BASE_TTL_MS = 15_000;
 const MODELS_MARKETPLACE_PRICING_TTL_MS = 90_000;

@@ -1012,6 +1006,7 @@ export async function statsRoutes(app: FastifyInstance) {
      siteId: schema.sites.id,
      siteName: schema.sites.name,
      accessToken: schema.accounts.accessToken,
+      apiToken: schema.accounts.apiToken,
      extraConfig: schema.accounts.extraConfig,
    })
      .from(schema.modelAvailability)
@@ -1090,7 +1085,7 @@ export async function statsRoutes(app: FastifyInstance) {
    }

    for (const row of availableModelRows) {
-      if (isApiKeyConnection(row)) continue;
+      if (!requiresManagedAccountTokens(row)) continue;
      const modelName = (row.modelName || '').trim();
      if (!modelName) continue;
      const coverageKey = `${row.accountId}::${modelName.toLowerCase()}`;
@@ -1107,7 +1102,7 @@ export async function statsRoutes(app: FastifyInstance) {

    const accountIdsForGroupHints = new Set(
      availableModelRows
-        .filter((row) => !isApiKeyConnection(row))
+        .filter((row) => requiresManagedAccountTokens(row))
        .map((row) => row.accountId),
    );
    const requiredGroupsByAccountModel = new Map<string, Map<string, string>>();
@@ -1169,7 +1164,7 @@ export async function statsRoutes(app: FastifyInstance) {
    }

    for (const row of availableModelRows) {
-      if (isApiKeyConnection(row)) continue;
+      if (!requiresManagedAccountTokens(row)) continue;
      const modelName = (row.modelName || '').trim();
      if (!modelName) continue;
      const accountModelKey = `${row.accountId}::${modelName.toLowerCase()}`;
@@ -32,6 +32,10 @@ import {
  hasNonImageFileInputInOpenAiBody,
  resolveOpenAiBodyInputFiles,
 } from '../../services/proxyInputFileResolver.js';
+import {
+  buildCodexOauthProviderHeaders,
+  refreshCodexOauthAccessToken,
+} from '../../services/oauth/service.js';

 const MAX_RETRIES = 2;

@@ -130,6 +134,14 @@ async function handleChatProxyRequest(
        },
      ),
    ];
+    const buildProviderHeaders = () => (
+      String(selected.site.platform || '').trim().toLowerCase() === 'codex'
+        ? buildCodexOauthProviderHeaders({
+          extraConfig: typeof selected.account.extraConfig === 'string' ? selected.account.extraConfig : null,
+          downstreamHeaders: request.headers as Record<string, unknown>,
+        })
+        : {}
+    );
    const buildEndpointRequest = (
      endpoint: 'chat' | 'messages' | 'responses',
      options: { forceNormalizeClaudeBody?: boolean } = {},
@@ -146,6 +158,7 @@ async function handleChatProxyRequest(
        claudeOriginalBody,
        forceNormalizeClaudeBody: options.forceNormalizeClaudeBody,
        downstreamHeaders: request.headers as Record<string, unknown>,
+        providerHeaders: buildProviderHeaders(),
      });
      return {
        endpoint,
@@ -174,6 +187,37 @@ async function handleChatProxyRequest(
        }),
      ),
    });
+    const tryRecover = async (ctx: Parameters<NonNullable<typeof endpointStrategy.tryRecover>>[0]) => {
+      if (ctx.response.status === 401 && String(selected.site.platform || '').trim().toLowerCase() === 'codex') {
+        const refreshed = await refreshCodexOauthAccessToken(selected.account.id);
+        selected.tokenValue = refreshed.accessToken;
+        selected.account = {
+          ...selected.account,
+          accessToken: refreshed.accessToken,
+          extraConfig: refreshed.extraConfig ?? selected.account.extraConfig,
+        };
+        const refreshedRequest = buildEndpointRequest(ctx.request.endpoint);
+        const refreshedTargetUrl = `${selected.site.url}${refreshedRequest.path}`;
+        const refreshedResponse = await fetch(
+          refreshedTargetUrl,
+          withSiteRecordProxyRequestInit(selected.site, {
+            method: 'POST',
+            headers: refreshedRequest.headers,
+            body: JSON.stringify(refreshedRequest.body),
+          }),
+        );
+        if (refreshedResponse.ok) {
+          return {
+            upstream: refreshedResponse,
+            upstreamPath: refreshedRequest.path,
+          };
+        }
+        ctx.request = refreshedRequest;
+        ctx.response = refreshedResponse;
+        ctx.rawErrText = await refreshedResponse.text().catch(() => 'unknown error');
+      }
+      return endpointStrategy.tryRecover(ctx);
+    };
    let startTime = Date.now();

    try {
@@ -182,7 +226,7 @@ async function handleChatProxyRequest(
          proxyUrl: resolveProxyUrlForSite(selected.site),
          endpointCandidates,
          buildRequest: (endpoint) => buildEndpointRequest(endpoint),
-        tryRecover: endpointStrategy.tryRecover,
+          tryRecover,
          shouldDowngrade: endpointStrategy.shouldDowngrade,
          onDowngrade: (ctx) => {
          logProxy(
@@ -0,0 +1,216 @@
+import Fastify, { type FastifyInstance } from 'fastify';
+import { afterAll, beforeAll, beforeEach, describe, expect, it, vi } from 'vitest';
+
+const fetchMock = vi.fn();
+const selectChannelMock = vi.fn();
+const selectNextChannelMock = vi.fn();
+const recordSuccessMock = vi.fn();
+const recordFailureMock = vi.fn();
+const refreshModelsAndRebuildRoutesMock = vi.fn();
+const reportProxyAllFailedMock = vi.fn();
+const reportTokenExpiredMock = vi.fn();
+const resolveProxyUsageWithSelfLogFallbackMock = vi.fn(async ({ usage }: any) => ({
+  ...usage,
+  estimatedCostFromQuota: 0,
+  recoveredFromSelfLog: false,
+}));
+const refreshCodexAccessTokenMock = vi.fn();
+const dbInsertMock = vi.fn((_arg?: any) => ({
+  values: () => ({
+    run: () => undefined,
+  }),
+}));
+
+vi.mock('undici', () => ({
+  fetch: (...args: unknown[]) => fetchMock(...args),
+}));
+
+vi.mock('../../services/tokenRouter.js', () => ({
+  tokenRouter: {
+    selectChannel: (...args: unknown[]) => selectChannelMock(...args),
+    selectNextChannel: (...args: unknown[]) => selectNextChannelMock(...args),
+    recordSuccess: (...args: unknown[]) => recordSuccessMock(...args),
+    recordFailure: (...args: unknown[]) => recordFailureMock(...args),
+  },
+}));
+
+vi.mock('../../services/modelService.js', () => ({
+  refreshModelsAndRebuildRoutes: (...args: unknown[]) => refreshModelsAndRebuildRoutesMock(...args),
+}));
+
+vi.mock('../../services/alertService.js', () => ({
+  reportProxyAllFailed: (...args: unknown[]) => reportProxyAllFailedMock(...args),
+  reportTokenExpired: (...args: unknown[]) => reportTokenExpiredMock(...args),
+}));
+
+vi.mock('../../services/alertRules.js', () => ({
+  isTokenExpiredError: ({ status }: { status?: number }) => status === 401,
+}));
+
+vi.mock('../../services/modelPricingService.js', () => ({
+  estimateProxyCost: async () => 0,
+  buildProxyBillingDetails: async () => null,
+  fetchModelPricingCatalog: async () => null,
+}));
+
+vi.mock('../../services/proxyRetryPolicy.js', () => ({
+  shouldRetryProxyRequest: () => false,
+}));
+
+vi.mock('../../services/proxyUsageFallbackService.js', () => ({
+  resolveProxyUsageWithSelfLogFallback: (arg: any) => resolveProxyUsageWithSelfLogFallbackMock(arg),
+}));
+
+vi.mock('../../services/oauth/service.js', async () => {
+  const actual = await vi.importActual<typeof import('../../services/oauth/service.js')>('../../services/oauth/service.js');
+  return {
+    ...actual,
+    refreshCodexOauthAccessToken: (...args: unknown[]) => refreshCodexAccessTokenMock(...args),
+  };
+});
+
+vi.mock('../../db/index.js', () => ({
+  db: {
+    insert: (arg: any) => dbInsertMock(arg),
+  },
+  hasProxyLogDownstreamApiKeyIdColumn: async () => false,
+  schema: {
+    proxyLogs: {},
+  },
+}));
+
+describe('responses proxy codex oauth refresh', () => {
+  let app: FastifyInstance;
+
+  beforeAll(async () => {
+    const { responsesProxyRoute } = await import('./responses.js');
+    app = Fastify();
+    await app.register(responsesProxyRoute);
+  });
+
+  beforeEach(() => {
+    fetchMock.mockReset();
+    selectChannelMock.mockReset();
+    selectNextChannelMock.mockReset();
+    recordSuccessMock.mockReset();
+    recordFailureMock.mockReset();
+    refreshModelsAndRebuildRoutesMock.mockReset();
+    reportProxyAllFailedMock.mockReset();
+    reportTokenExpiredMock.mockReset();
+    resolveProxyUsageWithSelfLogFallbackMock.mockClear();
+    refreshCodexAccessTokenMock.mockReset();
+    dbInsertMock.mockClear();
+
+    selectChannelMock.mockReturnValue({
+      channel: { id: 11, routeId: 22 },
+      site: { name: 'codex-site', url: 'https://chatgpt.com/backend-api/codex', platform: 'codex' },
+      account: {
+        id: 33,
+        username: 'codex-user@example.com',
+        extraConfig: JSON.stringify({
+          credentialMode: 'session',
+          oauth: {
+            provider: 'codex',
+            accountId: 'chatgpt-account-123',
+            email: 'codex-user@example.com',
+            planType: 'plus',
+          },
+        }),
+      },
+      tokenName: 'default',
+      tokenValue: 'expired-access-token',
+      actualModel: 'gpt-5.2-codex',
+    });
+    selectNextChannelMock.mockReturnValue(null);
+    refreshCodexAccessTokenMock.mockResolvedValue({
+      accessToken: 'fresh-access-token',
+      accountId: 33,
+      accountKey: 'chatgpt-account-123',
+    });
+  });
+
+  afterAll(async () => {
+    await app.close();
+  });
+
+  it('refreshes codex oauth token and retries the same responses request on 401', async () => {
+    fetchMock
+      .mockResolvedValueOnce(new Response(JSON.stringify({
+        error: { message: 'expired token', type: 'invalid_request_error' },
+      }), {
+        status: 401,
+        headers: { 'content-type': 'application/json' },
+      }))
+      .mockResolvedValueOnce(new Response(JSON.stringify({
+        id: 'resp_codex_refreshed',
+        object: 'response',
+        model: 'gpt-5.2-codex',
+        status: 'completed',
+        output_text: 'ok after codex token refresh',
+        usage: { input_tokens: 4, output_tokens: 2, total_tokens: 6 },
+      }), {
+        status: 200,
+        headers: { 'content-type': 'application/json' },
+      }));
+
+    const response = await app.inject({
+      method: 'POST',
+      url: '/v1/responses',
+      payload: {
+        model: 'gpt-5.2-codex',
+        input: 'hello codex',
+      },
+    });
+
+    expect(response.statusCode).toBe(200);
+    expect(refreshCodexAccessTokenMock).toHaveBeenCalledWith(33);
+    expect(fetchMock).toHaveBeenCalledTimes(2);
+
+    const [firstUrl, firstOptions] = fetchMock.mock.calls[0] as [string, any];
+    const [secondUrl, secondOptions] = fetchMock.mock.calls[1] as [string, any];
+    expect(firstUrl).toBe('https://chatgpt.com/backend-api/codex/responses');
+    expect(secondUrl).toBe('https://chatgpt.com/backend-api/codex/responses');
+    expect(firstOptions.headers.Authorization).toBe('Bearer expired-access-token');
+    expect(secondOptions.headers.Authorization).toBe('Bearer fresh-access-token');
+    expect(secondOptions.headers.Originator || secondOptions.headers.originator).toBe('codex_cli_rs');
+    expect(secondOptions.headers['Chatgpt-Account-Id'] || secondOptions.headers['chatgpt-account-id']).toBe('chatgpt-account-123');
+    expect(response.json()?.output_text).toContain('ok after codex token refresh');
+  });
+
+  it('sends an explicit empty instructions field to codex responses when downstream body has no system prompt', async () => {
+    fetchMock.mockResolvedValue(new Response(JSON.stringify({
+      id: 'resp_codex_no_system',
+      object: 'response',
+      model: 'gpt-5.2-codex',
+      status: 'completed',
+      output_text: 'ok without system prompt',
+      usage: { input_tokens: 4, output_tokens: 2, total_tokens: 6 },
+    }), {
+      status: 200,
+      headers: { 'content-type': 'application/json' },
+    }));
+
+    const response = await app.inject({
+      method: 'POST',
+      url: '/v1/responses',
+      payload: {
+        model: 'gpt-5.2-codex',
+        input: 'hello codex',
+      },
+    });
+
+    expect(response.statusCode).toBe(200);
+    expect(fetchMock).toHaveBeenCalledTimes(1);
+
+    const [, options] = fetchMock.mock.calls[0] as [string, any];
+    const forwardedBody = JSON.parse(options.body);
+    expect(forwardedBody.instructions).toBe('');
+    expect(forwardedBody.input).toEqual([
+      {
+        type: 'message',
+        role: 'user',
+        content: [{ type: 'input_text', text: 'hello codex' }],
+      },
+    ]);
+  });
+});
@@ -27,6 +27,10 @@ import {
  hasNonImageFileInputInOpenAiBody,
  resolveResponsesBodyInputFiles,
 } from '../../services/proxyInputFileResolver.js';
+import {
+  buildCodexOauthProviderHeaders,
+  refreshCodexOauthAccessToken,
+} from '../../services/oauth/service.js';

 const MAX_RETRIES = 2;

@@ -228,6 +232,14 @@ export async function responsesProxyRoute(app: FastifyInstance) {
      if (endpointCandidates.length === 0) {
        endpointCandidates.push('responses', 'chat', 'messages');
      }
+      const buildProviderHeaders = () => (
+        String(selected.site.platform || '').trim().toLowerCase() === 'codex'
+          ? buildCodexOauthProviderHeaders({
+            extraConfig: typeof selected.account.extraConfig === 'string' ? selected.account.extraConfig : null,
+            downstreamHeaders: request.headers as Record<string, unknown>,
+          })
+          : {}
+      );
      const buildEndpointRequest = (endpoint: 'chat' | 'messages' | 'responses') => {
        const endpointRequest = buildUpstreamEndpointRequest({
          endpoint,
@@ -240,6 +252,7 @@ export async function responsesProxyRoute(app: FastifyInstance) {
          downstreamFormat: 'responses',
          responsesOriginalBody: normalizedResponsesBody,
          downstreamHeaders: request.headers as Record<string, unknown>,
+          providerHeaders: buildProviderHeaders(),
        });
        const upstreamPath = (
          isCompactRequest && endpoint === 'responses'
@@ -265,6 +278,37 @@ export async function responsesProxyRoute(app: FastifyInstance) {
          }),
        ),
      });
+      const tryRecover = async (ctx: Parameters<NonNullable<typeof endpointStrategy.tryRecover>>[0]) => {
+        if (ctx.response.status === 401 && String(selected.site.platform || '').trim().toLowerCase() === 'codex') {
+          const refreshed = await refreshCodexOauthAccessToken(selected.account.id);
+          selected.tokenValue = refreshed.accessToken;
+          selected.account = {
+            ...selected.account,
+            accessToken: refreshed.accessToken,
+            extraConfig: refreshed.extraConfig ?? selected.account.extraConfig,
+          };
+          const refreshedRequest = buildEndpointRequest(ctx.request.endpoint);
+          const refreshedTargetUrl = `${selected.site.url}${refreshedRequest.path}`;
+          const refreshedResponse = await fetch(
+            refreshedTargetUrl,
+            withSiteRecordProxyRequestInit(selected.site, {
+              method: 'POST',
+              headers: refreshedRequest.headers,
+              body: JSON.stringify(refreshedRequest.body),
+            }),
+          );
+          if (refreshedResponse.ok) {
+            return {
+              upstream: refreshedResponse,
+              upstreamPath: refreshedRequest.path,
+            };
+          }
+          ctx.request = refreshedRequest;
+          ctx.response = refreshedResponse;
+          ctx.rawErrText = await refreshedResponse.text().catch(() => 'unknown error');
+        }
+        return endpointStrategy.tryRecover(ctx);
+      };

      const startTime = Date.now();

@@ -274,7 +318,7 @@ export async function responsesProxyRoute(app: FastifyInstance) {
          proxyUrl: resolveProxyUrlForSite(selected.site),
          endpointCandidates,
          buildRequest: (endpoint) => buildEndpointRequest(endpoint),
-          tryRecover: endpointStrategy.tryRecover,
+          tryRecover,
          shouldDowngrade: endpointStrategy.shouldDowngrade,
          onDowngrade: (ctx) => {
            logProxy(
@@ -151,6 +151,16 @@ describe('resolveUpstreamEndpointCandidates', () => {
      'claude',
    );
    expect(claudeOrder).toEqual(['messages']);
+
+    const codexOrder = await resolveUpstreamEndpointCandidates(
+      {
+        ...baseContext,
+        site: { ...baseContext.site, platform: 'codex', url: 'https://chatgpt.com/backend-api/codex' },
+      },
+      'gpt-5.2-codex',
+      'openai',
+    );
+    expect(codexOrder).toEqual(['responses']);
  });

  it('prefers document-capable endpoints when downstream content contains non-image files', async () => {
@@ -319,6 +329,31 @@ describe('buildUpstreamEndpointRequest', () => {
    ]);
  });

+  it('builds codex responses requests against backend-api path and preserves oauth provider headers', () => {
+    const request = buildUpstreamEndpointRequest({
+      endpoint: 'responses',
+      modelName: 'gpt-5.2-codex',
+      stream: false,
+      tokenValue: 'oauth-access-token',
+      sitePlatform: 'codex',
+      siteUrl: 'https://chatgpt.com/backend-api/codex',
+      openaiBody: {
+        model: 'gpt-5.2-codex',
+        messages: [{ role: 'user', content: 'hello codex' }],
+      },
+      downstreamFormat: 'openai',
+      providerHeaders: {
+        Originator: 'codex_cli_rs',
+        'Chatgpt-Account-Id': 'chatgpt-account-123',
+      },
+    } as any);
+
+    expect(request.path).toBe('/responses');
+    expect(request.headers.Authorization).toBe('Bearer oauth-access-token');
+    expect(request.headers.Originator).toBe('codex_cli_rs');
+    expect(request.headers['Chatgpt-Account-Id']).toBe('chatgpt-account-123');
+  });
+
  it('normalizes downstream responses input string before forwarding upstream', () => {
    const request = buildUpstreamEndpointRequest({
      endpoint: 'responses',
@@ -186,6 +186,18 @@ function toFiniteNumber(value: unknown): number | null {
  return typeof value === 'number' && Number.isFinite(value) ? value : null;
 }

+function ensureCodexResponsesInstructions(
+  body: Record<string, unknown>,
+  sitePlatform: string,
+): Record<string, unknown> {
+  if (sitePlatform !== 'codex') return body;
+  if (typeof body.instructions === 'string') return body;
+  return {
+    ...body,
+    instructions: '',
+  };
+}
+

 function normalizeEndpointTypes(value: unknown): UpstreamEndpoint[] {
  const raw = asTrimmedString(value).toLowerCase();
@@ -237,6 +249,10 @@ function preferredEndpointOrder(
 ): UpstreamEndpoint[] {
  const platform = normalizePlatformName(sitePlatform);

+  if (platform === 'codex') {
+    return ['responses'];
+  }
+
  if (platform === 'gemini') {
    // Gemini upstream is routed through OpenAI-compatible chat endpoint.
    return ['chat'];
@@ -430,6 +446,7 @@ export function buildUpstreamEndpointRequest(input: {
  forceNormalizeClaudeBody?: boolean;
  responsesOriginalBody?: Record<string, unknown>;
  downstreamHeaders?: Record<string, unknown>;
+  providerHeaders?: Record<string, string>;
 }): {
  path: string;
  headers: Record<string, string>;
@@ -463,6 +480,10 @@ export function buildUpstreamEndpointRequest(input: {
      return '/v1/chat/completions';
    }

+    if (sitePlatform === 'codex') {
+      return '/responses';
+    }
+
    if (sitePlatform === 'claude') {
      return '/v1/messages';
    }
@@ -476,6 +497,7 @@ export function buildUpstreamEndpointRequest(input: {
  const commonHeaders: Record<string, string> = {
    ...passthroughHeaders,
    'Content-Type': 'application/json',
+    ...(input.providerHeaders || {}),
  };
  if (!isClaudeUpstream) {
    commonHeaders.Authorization = `Bearer ${input.tokenValue}`;
@@ -564,7 +586,10 @@ export function buildUpstreamEndpointRequest(input: {
        }
        : convertOpenAiBodyToResponsesBodyViaTransformer(openaiBody, input.modelName, input.stream)
    );
-    const body = sanitizeResponsesBodyForProxyViaTransformer(rawBody, input.modelName, input.stream);
+    const body = ensureCodexResponsesInstructions(
+      sanitizeResponsesBodyForProxyViaTransformer(rawBody, input.modelName, input.stream),
+      sitePlatform,
+    );

    const headers = ensureStreamAcceptHeader({
      ...commonHeaders,
@@ -20,6 +20,10 @@ const VALID_CREDENTIAL_MODES = new Set<AccountCredentialMode>([
 type AccountExtraConfig = {
  platformUserId?: unknown;
  credentialMode?: unknown;
+  oauth?: {
+    provider?: unknown;
+    [key: string]: unknown;
+  };
  autoRelogin?: AutoReloginConfig;
  sub2apiAuth?: Sub2ApiAuthConfig;
  [key: string]: unknown;
@@ -77,6 +81,43 @@ export function getCredentialModeFromExtraConfig(extraConfig?: string | null): A
  return normalizeCredentialMode(parsed.credentialMode);
 }

+export function getOauthProviderFromExtraConfig(extraConfig?: string | null): string | undefined {
+  const parsed = parseExtraConfig(extraConfig);
+  return normalizeNonEmptyString(parsed.oauth?.provider);
+}
+
+export function hasOauthProvider(extraConfig?: string | null): boolean {
+  return !!getOauthProviderFromExtraConfig(extraConfig);
+}
+
+type DirectAccountRoutingInput = {
+  accessToken?: string | null;
+  apiToken?: string | null;
+  extraConfig?: string | null;
+};
+
+function hasCredentialValue(value: string | null | undefined): boolean {
+  return typeof value === 'string' && value.trim().length > 0;
+}
+
+export function supportsDirectAccountRoutingConnection(account: DirectAccountRoutingInput): boolean {
+  const credentialMode = getCredentialModeFromExtraConfig(account.extraConfig);
+  if (credentialMode === 'apikey') {
+    return hasCredentialValue(account.apiToken);
+  }
+  if (hasOauthProvider(account.extraConfig)) {
+    return hasCredentialValue(account.accessToken);
+  }
+  return false;
+}
+
+export function requiresManagedAccountTokens(account: DirectAccountRoutingInput): boolean {
+  const credentialMode = getCredentialModeFromExtraConfig(account.extraConfig);
+  if (credentialMode === 'apikey') return false;
+  if (hasOauthProvider(account.extraConfig)) return false;
+  return true;
+}
+
 export type ManagedSub2ApiAuth = {
  refreshToken: string;
  tokenExpiresAt?: number;
@@ -6,6 +6,7 @@ import { eq } from 'drizzle-orm';

 const getApiTokenMock = vi.fn();
 const getModelsMock = vi.fn();
+const undiciFetchMock = vi.fn();

 vi.mock('./platforms/index.js', () => ({
  getAdapter: () => ({
@@ -14,6 +15,10 @@ vi.mock('./platforms/index.js', () => ({
  }),
 }));

+vi.mock('undici', () => ({
+  fetch: (...args: unknown[]) => undiciFetchMock(...args),
+}));
+
 type DbModule = typeof import('../db/index.js');
 type ModelServiceModule = typeof import('./modelService.js');

@@ -39,6 +44,7 @@ describe('refreshModelsForAccount credential discovery', () => {
  beforeEach(async () => {
    getApiTokenMock.mockReset();
    getModelsMock.mockReset();
+    undiciFetchMock.mockReset();

    await db.delete(schema.routeChannels).run();
    await db.delete(schema.tokenRoutes).run();
@@ -300,4 +306,179 @@ describe('refreshModelsForAccount credential discovery', () => {
    expect(placeholderModels).toEqual([]);
    expect(getModelsMock).not.toHaveBeenCalledWith(site.url, 'sk-mask***tail', account.username);
  });
+
+  it('discovers codex models from upstream cloud endpoint without adapter model fetch', async () => {
+    getApiTokenMock.mockResolvedValue(null);
+    getModelsMock.mockRejectedValue(new Error('codex plan discovery should not call adapter.getModels'));
+    undiciFetchMock.mockResolvedValue({
+      ok: true,
+      status: 200,
+      json: async () => ({
+        models: [
+          { id: 'gpt-5.4' },
+          { id: 'gpt-5.3-codex' },
+          { id: 'gpt-5.2-codex' },
+          { id: 'gpt-5.2' },
+          { id: 'gpt-5.1-codex-max' },
+          { id: 'gpt-5.1-codex' },
+          { id: 'gpt-5.1' },
+          { id: 'gpt-5-codex' },
+          { id: 'gpt-5' },
+          { id: 'gpt-5.1-codex-mini' },
+          { id: 'gpt-5-codex-mini' },
+        ],
+      }),
+      text: async () => JSON.stringify({ ok: true }),
+    });
+
+    const site = await db.insert(schema.sites).values({
+      name: 'codex-site',
+      url: 'https://chatgpt.com/backend-api/codex',
+      platform: 'codex',
+      status: 'active',
+    }).returning().get();
+
+    const account = await db.insert(schema.accounts).values({
+      siteId: site.id,
+      username: 'codex-user@example.com',
+      accessToken: 'oauth-access-token',
+      apiToken: null,
+      status: 'active',
+      extraConfig: JSON.stringify({
+        credentialMode: 'session',
+        oauth: {
+          provider: 'codex',
+          accountId: 'chatgpt-account-123',
+          email: 'codex-user@example.com',
+          planType: 'plus',
+        },
+      }),
+    }).returning().get();
+
+    const result = await refreshModelsForAccount(account.id);
+
+    expect(result).toMatchObject({
+      accountId: account.id,
+      refreshed: true,
+      status: 'success',
+      errorCode: null,
+      tokenScanned: 0,
+      discoveredByCredential: true,
+      modelCount: 11,
+    });
+    expect(result.modelsPreview).toEqual([
+      'gpt-5.4',
+      'gpt-5.3-codex',
+      'gpt-5.2-codex',
+      'gpt-5.2',
+      'gpt-5.1-codex-max',
+      'gpt-5.1-codex',
+      'gpt-5.1',
+      'gpt-5-codex',
+      'gpt-5',
+      'gpt-5.1-codex-mini',
+    ]);
+    expect(getModelsMock).not.toHaveBeenCalled();
+    expect(undiciFetchMock).toHaveBeenCalledTimes(1);
+    expect(String(undiciFetchMock.mock.calls[0]?.[0] || '')).toBe('https://chatgpt.com/backend-api/codex/models?client_version=1.0.0');
+    expect(undiciFetchMock.mock.calls[0]?.[1]).toMatchObject({
+      method: 'GET',
+      headers: expect.objectContaining({
+        Authorization: 'Bearer oauth-access-token',
+        'Chatgpt-Account-Id': 'chatgpt-account-123',
+        Originator: 'codex_cli_rs',
+      }),
+    });
+
+    const rows = await db.select().from(schema.modelAvailability)
+      .where(eq(schema.modelAvailability.accountId, account.id))
+      .all();
+    const modelNames = rows.map((row) => row.modelName);
+    expect(modelNames.sort()).toEqual([
+      'gpt-5',
+      'gpt-5-codex',
+      'gpt-5-codex-mini',
+      'gpt-5.1',
+      'gpt-5.1-codex',
+      'gpt-5.1-codex-max',
+      'gpt-5.1-codex-mini',
+      'gpt-5.2',
+      'gpt-5.2-codex',
+      'gpt-5.3-codex',
+      'gpt-5.4',
+    ]);
+  });
+
+  it('marks codex oauth account abnormal when upstream cloud discovery fails', async () => {
+    getApiTokenMock.mockResolvedValue(null);
+    getModelsMock.mockRejectedValue(new Error('codex plan discovery should not call adapter.getModels'));
+    undiciFetchMock.mockResolvedValue({
+      ok: false,
+      status: 403,
+      json: async () => ({ error: 'forbidden' }),
+      text: async () => 'forbidden',
+    });
+
+    const site = await db.insert(schema.sites).values({
+      name: 'codex-team-site',
+      url: 'https://chatgpt.com/backend-api/codex',
+      platform: 'codex',
+      status: 'active',
+    }).returning().get();
+
+    const account = await db.insert(schema.accounts).values({
+      siteId: site.id,
+      username: 'team-user@example.com',
+      accessToken: 'oauth-access-token',
+      apiToken: null,
+      status: 'active',
+      extraConfig: JSON.stringify({
+        credentialMode: 'session',
+        oauth: {
+          provider: 'codex',
+          accountId: 'chatgpt-account-team',
+          email: 'team-user@example.com',
+          planType: 'team',
+        },
+      }),
+    }).returning().get();
+
+    await db.insert(schema.modelAvailability).values({
+      accountId: account.id,
+      modelName: 'gpt-5.2-codex',
+      available: true,
+      checkedAt: '2026-03-16T12:00:00.000Z',
+    }).run();
+
+    const result = await refreshModelsForAccount(account.id);
+
+    expect(result).toMatchObject({
+      accountId: account.id,
+      refreshed: true,
+      status: 'failed',
+      errorCode: 'unauthorized',
+      tokenScanned: 0,
+      discoveredByCredential: false,
+      modelCount: 0,
+    });
+    expect(getModelsMock).not.toHaveBeenCalled();
+    expect(undiciFetchMock).toHaveBeenCalledTimes(1);
+
+    const rows = await db.select().from(schema.modelAvailability)
+      .where(eq(schema.modelAvailability.accountId, account.id))
+      .all();
+    expect(rows).toEqual([]);
+
+    const latest = await db.select().from(schema.accounts)
+      .where(eq(schema.accounts.id, account.id))
+      .get();
+    const parsed = JSON.parse(latest!.extraConfig || '{}');
+    expect(parsed.oauth).toMatchObject({
+      provider: 'codex',
+      modelDiscoveryStatus: 'abnormal',
+    });
+    expect(parsed.oauth.lastModelSyncError).toContain('HTTP 403');
+    expect(parsed.oauth.lastModelSyncAt).toMatch(/\d{4}-\d{2}-\d{2}T/);
+    expect(parsed.runtimeHealth?.state).toBe('unhealthy');
+  });
 });
@@ -85,6 +85,59 @@ describe('rebuildTokenRoutesFromAvailability', () => {
    expect(channels[0]?.manualOverride).toBe(false);
  });

+  it('creates an exact route with an account-direct channel for oauth model availability', async () => {
+    const site = await db.insert(schema.sites).values({
+      name: 'codex-site',
+      url: 'https://chatgpt.com/backend-api/codex',
+      platform: 'codex',
+    }).returning().get();
+
+    const account = await db.insert(schema.accounts).values({
+      siteId: site.id,
+      username: 'codex-user@example.com',
+      accessToken: 'oauth-access-token',
+      apiToken: null,
+      status: 'active',
+      extraConfig: JSON.stringify({
+        credentialMode: 'session',
+        oauth: {
+          provider: 'codex',
+          accountId: 'chatgpt-account-123',
+          email: 'codex-user@example.com',
+          planType: 'team',
+        },
+      }),
+    }).returning().get();
+
+    await db.insert(schema.modelAvailability).values({
+      accountId: account.id,
+      modelName: 'gpt-5.2-codex',
+      available: true,
+      latencyMs: 320,
+      checkedAt: '2026-03-17T00:00:00.000Z',
+    }).run();
+
+    const rebuild = await rebuildTokenRoutesFromAvailability();
+
+    expect(rebuild.models).toBe(1);
+
+    const route = await db.select().from(schema.tokenRoutes)
+      .where(eq(schema.tokenRoutes.modelPattern, 'gpt-5.2-codex'))
+      .get();
+    expect(route).toBeDefined();
+
+    const channels = await db.select().from(schema.routeChannels)
+      .where(and(
+        eq(schema.routeChannels.routeId, route!.id),
+        eq(schema.routeChannels.accountId, account.id),
+      ))
+      .all();
+
+    expect(channels).toHaveLength(1);
+    expect(channels[0]?.tokenId ?? null).toBeNull();
+    expect(channels[0]?.manualOverride).toBe(false);
+  });
+
  it('removes stale exact routes and keeps wildcard routes on rebuild', async () => {
    const site = await db.insert(schema.sites).values({
      name: 'site-1',
@@ -1,4 +1,5 @@
 import { and, eq } from 'drizzle-orm';
+import { fetch } from 'undici';
 import { db, schema } from '../db/index.js';
 import { getAdapter } from './platforms/index.js';
 import {
@@ -8,14 +9,22 @@ import {
  isMaskedTokenValue,
  isUsableAccountToken,
 } from './accountTokenService.js';
-import { getCredentialModeFromExtraConfig, resolvePlatformUserId } from './accountExtraConfig.js';
+import {
+  getCredentialModeFromExtraConfig,
+  mergeAccountExtraConfig,
+  resolvePlatformUserId,
+  supportsDirectAccountRoutingConnection,
+} from './accountExtraConfig.js';
 import { invalidateTokenRouterCache } from './tokenRouter.js';
 import { setAccountRuntimeHealth } from './accountHealthService.js';
 import { clearAllRouteDecisionSnapshots } from './routeDecisionSnapshotStore.js';
+import { withSiteRecordProxyRequestInit } from './siteProxy.js';
+import { buildCodexOauthInfo, getCodexOauthInfoFromExtraConfig, isCodexPlatform } from './oauth/codexAccount.js';

 const API_TOKEN_DISCOVERY_TIMEOUT_MS = 8_000;
 const MODEL_DISCOVERY_TIMEOUT_MS = 12_000;
 const MODEL_REFRESH_BATCH_SIZE = 3;
+const CODEX_MODELS_CLIENT_VERSION = '1.0.0';

 type ModelRefreshErrorCode = 'timeout' | 'unauthorized' | 'empty_models' | 'unknown';
 type ModelRefreshSkipCode = 'site_disabled' | 'adapter_or_status';
@@ -120,6 +129,86 @@ function normalizeModels(models: string[]): string[] {
  return normalizedModels;
 }

+function buildCodexModelsEndpoint(baseUrl: string): string {
+  const normalized = (baseUrl || '').replace(/\/+$/, '');
+  return `${normalized}/models?client_version=${encodeURIComponent(CODEX_MODELS_CLIENT_VERSION)}`;
+}
+
+function extractCodexModelIds(payload: unknown): string[] {
+  const collection = (() => {
+    if (Array.isArray(payload)) return payload;
+    if (!payload || typeof payload !== 'object') return [];
+    const record = payload as Record<string, unknown>;
+    if (Array.isArray(record.models)) return record.models;
+    if (Array.isArray(record.data)) return record.data;
+    if (Array.isArray(record.items)) return record.items;
+    return [];
+  })();
+
+  return collection.flatMap((item) => {
+    if (typeof item === 'string') return [item];
+    if (!item || typeof item !== 'object' || Array.isArray(item)) return [];
+    const record = item as Record<string, unknown>;
+    const id = typeof record.id === 'string'
+      ? record.id
+      : (typeof record.slug === 'string' ? record.slug : (typeof record.model === 'string' ? record.model : ''));
+    return id ? [id] : [];
+  });
+}
+
+async function updateCodexOauthModelDiscoveryState(input: {
+  account: typeof schema.accounts.$inferSelect;
+  checkedAt: string;
+  status: 'healthy' | 'abnormal';
+  lastModelSyncError?: string;
+  lastDiscoveredModels?: string[];
+}) {
+  if (!isCodexPlatform(input.account)) return input.account.extraConfig || null;
+  const extraConfig = mergeAccountExtraConfig(input.account.extraConfig, {
+    oauth: buildCodexOauthInfo(input.account.extraConfig, {
+      modelDiscoveryStatus: input.status,
+      lastModelSyncAt: input.checkedAt,
+      lastModelSyncError: input.lastModelSyncError,
+      lastDiscoveredModels: input.lastDiscoveredModels ?? [],
+    }),
+  });
+  await db.update(schema.accounts).set({
+    extraConfig,
+    updatedAt: input.checkedAt,
+  }).where(eq(schema.accounts.id, input.account.id)).run();
+  input.account.extraConfig = extraConfig;
+  return extraConfig;
+}
+
+async function discoverCodexModelsFromCloud(input: {
+  site: typeof schema.sites.$inferSelect;
+  account: typeof schema.accounts.$inferSelect;
+}): Promise<string[]> {
+  const accessToken = (input.account.accessToken || '').trim();
+  if (!accessToken) {
+    throw new Error('codex oauth access token missing');
+  }
+  const oauth = getCodexOauthInfoFromExtraConfig(input.account.extraConfig);
+  const headers: Record<string, string> = {
+    Authorization: `Bearer ${accessToken}`,
+    Accept: 'application/json',
+    Originator: 'codex_cli_rs',
+  };
+  if (oauth?.accountId) {
+    headers['Chatgpt-Account-Id'] = oauth.accountId;
+  }
+
+  const response = await fetch(
+    buildCodexModelsEndpoint(input.site.url),
+    withSiteRecordProxyRequestInit(input.site, { method: 'GET', headers }),
+  );
+  if (!response.ok) {
+    const text = await response.text().catch(() => '');
+    throw new Error(`HTTP ${response.status}: ${text || 'codex model discovery failed'}`);
+  }
+  return normalizeModels(extractCodexModelIds(await response.json()));
+}
+
 function isExactModelPattern(modelPattern: string): boolean {
  const normalized = modelPattern.trim();
  if (!normalized) return false;
@@ -252,6 +341,76 @@ export async function refreshModelsForAccount(accountId: number): Promise<ModelR
    return buildSkippedRefreshResult(accountId, 'adapter_or_status', '平台不可用或账号未激活');
  }

+  if (isCodexPlatform(account)) {
+    const checkedAt = new Date().toISOString();
+    const startedAt = Date.now();
+    try {
+      const codexModels = await withTimeout(
+        () => discoverCodexModelsFromCloud({ site, account }),
+        MODEL_DISCOVERY_TIMEOUT_MS,
+        `codex model discovery timeout (${Math.round(MODEL_DISCOVERY_TIMEOUT_MS / 1000)}s)`,
+      );
+      if (codexModels.length === 0) {
+        throw new Error('未获取到可用模型');
+      }
+
+      await db.insert(schema.modelAvailability).values(
+        codexModels.map((modelName) => ({
+          accountId,
+          modelName,
+          available: true,
+          latencyMs: Date.now() - startedAt,
+          checkedAt,
+        })),
+      ).run();
+      await updateCodexOauthModelDiscoveryState({
+        account,
+        checkedAt,
+        status: 'healthy',
+        lastDiscoveredModels: codexModels,
+      });
+      await setAccountRuntimeHealth(accountId, {
+        state: 'healthy',
+        reason: 'Codex 云端模型探测成功',
+        source: 'model-discovery',
+        checkedAt,
+      });
+      return buildSuccessfulRefreshResult({
+        accountId,
+        modelCount: codexModels.length,
+        modelsPreview: codexModels.slice(0, 10),
+        tokenScanned: 0,
+        discoveredByCredential: true,
+        discoveredApiToken: false,
+      });
+    } catch (err) {
+      const rawMessage = (err as { message?: string })?.message || 'codex model discovery failed';
+      const errorCode = classifyModelDiscoveryError(rawMessage);
+      const errorMessage = `Codex 模型获取失败（${rawMessage}）`;
+      await updateCodexOauthModelDiscoveryState({
+        account,
+        checkedAt,
+        status: 'abnormal',
+        lastModelSyncError: errorMessage,
+        lastDiscoveredModels: [],
+      });
+      await setAccountRuntimeHealth(account.id, {
+        state: 'unhealthy',
+        reason: errorMessage,
+        source: 'model-discovery',
+        checkedAt,
+      });
+      return buildFailedRefreshResult({
+        accountId,
+        errorCode,
+        errorMessage,
+        tokenScanned: 0,
+        discoveredByCredential: false,
+        discoveredApiToken: false,
+      });
+    }
+  }
+
  const platformUserId = resolvePlatformUserId(account.extraConfig, account.username);
  let discoveredApiToken: string | null = null;

@@ -513,8 +672,7 @@ export async function rebuildTokenRoutesFromAvailability() {
  }

  for (const row of accountRows) {
-    if (!isApiKeyConnection(row.accounts)) continue;
-    if (!(row.accounts.apiToken || '').trim()) continue;
+    if (!supportsDirectAccountRoutingConnection(row.accounts)) continue;
    addModelCandidate(row.model_availability.modelName, row.accounts.id, null, row.accounts.siteId);
  }

@@ -0,0 +1,124 @@
+import { schema } from '../../db/index.js';
+
+type ParsedOauthInfo = {
+  provider?: unknown;
+  accountId?: unknown;
+  email?: unknown;
+  planType?: unknown;
+  tokenExpiresAt?: unknown;
+  refreshToken?: unknown;
+  idToken?: unknown;
+  modelDiscoveryStatus?: unknown;
+  lastModelSyncAt?: unknown;
+  lastModelSyncError?: unknown;
+  lastDiscoveredModels?: unknown;
+};
+
+type ParsedExtraConfig = {
+  oauth?: ParsedOauthInfo;
+};
+
+export type CodexOauthInfo = {
+  provider: 'codex';
+  accountId?: string;
+  email?: string;
+  planType?: string;
+  tokenExpiresAt?: number;
+  refreshToken?: string;
+  idToken?: string;
+  modelDiscoveryStatus?: 'healthy' | 'abnormal';
+  lastModelSyncAt?: string;
+  lastModelSyncError?: string;
+  lastDiscoveredModels?: string[];
+};
+
+function parseExtraConfig(extraConfig?: string | null): ParsedExtraConfig {
+  if (!extraConfig) return {};
+  try {
+    const parsed = JSON.parse(extraConfig) as unknown;
+    if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) return {};
+    return parsed as ParsedExtraConfig;
+  } catch {
+    return {};
+  }
+}
+
+function asTrimmedString(value: unknown): string | undefined {
+  if (typeof value !== 'string') return undefined;
+  const trimmed = value.trim();
+  return trimmed || undefined;
+}
+
+function asPositiveInteger(value: unknown): number | undefined {
+  if (typeof value === 'number' && Number.isFinite(value) && value > 0) {
+    return Math.trunc(value);
+  }
+  if (typeof value === 'string') {
+    const parsed = Number.parseInt(value.trim(), 10);
+    if (Number.isFinite(parsed) && parsed > 0) return parsed;
+  }
+  return undefined;
+}
+
+function asIsoDateTime(value: unknown): string | undefined {
+  if (typeof value !== 'string') return undefined;
+  const trimmed = value.trim();
+  if (!trimmed) return undefined;
+  const parsed = Date.parse(trimmed);
+  return Number.isNaN(parsed) ? undefined : new Date(parsed).toISOString();
+}
+
+function asStringArray(value: unknown): string[] | undefined {
+  if (!Array.isArray(value)) return undefined;
+  const normalized = value
+    .map((item) => asTrimmedString(item))
+    .filter((item): item is string => !!item);
+  return normalized.length > 0 ? normalized : [];
+}
+
+function asModelDiscoveryStatus(value: unknown): 'healthy' | 'abnormal' | undefined {
+  if (typeof value !== 'string') return undefined;
+  const normalized = value.trim().toLowerCase();
+  if (normalized === 'healthy') return 'healthy';
+  if (normalized === 'abnormal') return 'abnormal';
+  return undefined;
+}
+
+export function getCodexOauthInfoFromExtraConfig(extraConfig?: string | null): CodexOauthInfo | null {
+  const parsed = parseExtraConfig(extraConfig).oauth;
+  if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) return null;
+  const provider = asTrimmedString(parsed.provider);
+  if (provider !== 'codex') return null;
+  return {
+    provider: 'codex',
+    accountId: asTrimmedString(parsed.accountId),
+    email: asTrimmedString(parsed.email),
+    planType: asTrimmedString(parsed.planType),
+    tokenExpiresAt: asPositiveInteger(parsed.tokenExpiresAt),
+    refreshToken: asTrimmedString(parsed.refreshToken),
+    idToken: asTrimmedString(parsed.idToken),
+    modelDiscoveryStatus: asModelDiscoveryStatus(parsed.modelDiscoveryStatus),
+    lastModelSyncAt: asIsoDateTime(parsed.lastModelSyncAt),
+    lastModelSyncError: asTrimmedString(parsed.lastModelSyncError),
+    lastDiscoveredModels: asStringArray(parsed.lastDiscoveredModels),
+  };
+}
+
+export function isCodexPlatform(account: Pick<typeof schema.accounts.$inferSelect, 'extraConfig'> | string | null | undefined): boolean {
+  const extraConfig = typeof account === 'string' || account == null
+    ? account
+    : account.extraConfig;
+  return getCodexOauthInfoFromExtraConfig(extraConfig)?.provider === 'codex';
+}
+
+export function buildCodexOauthInfo(
+  extraConfig?: string | null,
+  patch: Partial<CodexOauthInfo> = {},
+): CodexOauthInfo {
+  const current = getCodexOauthInfoFromExtraConfig(extraConfig);
+  return {
+    provider: 'codex',
+    ...(current || {}),
+    ...patch,
+  };
+}
@@ -0,0 +1,133 @@
+import { fetch } from 'undici';
+import { createPkceChallenge } from './sessionStore.js';
+
+export const CODEX_OAUTH_PROVIDER = 'codex';
+export const CODEX_AUTH_URL = 'https://auth.openai.com/oauth/authorize';
+export const CODEX_TOKEN_URL = 'https://auth.openai.com/oauth/token';
+export const CODEX_CLIENT_ID = 'app_EMoamEEZ73f0CkXaXp7hrann';
+export const CODEX_CALLBACK_PATH = '/api/oauth/callback/codex';
+export const CODEX_LOOPBACK_CALLBACK_PATH = '/auth/callback';
+export const CODEX_LOOPBACK_CALLBACK_PORT = 1455;
+export const CODEX_LOOPBACK_REDIRECT_URI = `http://localhost:${CODEX_LOOPBACK_CALLBACK_PORT}${CODEX_LOOPBACK_CALLBACK_PATH}`;
+export const CODEX_UPSTREAM_BASE_URL = 'https://chatgpt.com/backend-api/codex';
+
+type CodexJwtClaims = {
+  email?: unknown;
+  'https://api.openai.com/auth'?: {
+    chatgpt_account_id?: unknown;
+    chatgpt_plan_type?: unknown;
+  };
+};
+
+export type CodexTokenExchangeResult = {
+  accessToken: string;
+  refreshToken: string;
+  idToken: string;
+  accountId?: string;
+  email?: string;
+  planType?: string;
+  tokenExpiresAt: number;
+};
+
+function asTrimmedString(value: unknown): string | undefined {
+  if (typeof value !== 'string') return undefined;
+  const trimmed = value.trim();
+  return trimmed || undefined;
+}
+
+function parseJwtClaims(token: string): CodexJwtClaims | null {
+  const parts = token.split('.');
+  if (parts.length !== 3) return null;
+  try {
+    const payload = JSON.parse(Buffer.from(parts[1] || '', 'base64url').toString('utf8')) as unknown;
+    if (!payload || typeof payload !== 'object' || Array.isArray(payload)) return null;
+    return payload as CodexJwtClaims;
+  } catch {
+    return null;
+  }
+}
+
+export function buildCodexAuthorizationUrl(input: {
+  state: string;
+  redirectUri: string;
+  codeVerifier: string;
+}): string {
+  const params = new URLSearchParams({
+    client_id: CODEX_CLIENT_ID,
+    response_type: 'code',
+    redirect_uri: input.redirectUri,
+    scope: 'openid email profile offline_access',
+    state: input.state,
+    code_challenge: createPkceChallenge(input.codeVerifier),
+    code_challenge_method: 'S256',
+    prompt: 'login',
+    id_token_add_organizations: 'true',
+    codex_cli_simplified_flow: 'true',
+  });
+  return `${CODEX_AUTH_URL}?${params.toString()}`;
+}
+
+function parseTokenResponsePayload(payload: unknown): CodexTokenExchangeResult {
+  if (!payload || typeof payload !== 'object' || Array.isArray(payload)) {
+    throw new Error('codex token exchange returned invalid payload');
+  }
+  const body = payload as Record<string, unknown>;
+  const accessToken = asTrimmedString(body.access_token);
+  const refreshToken = asTrimmedString(body.refresh_token);
+  const idToken = asTrimmedString(body.id_token);
+  const expiresIn = typeof body.expires_in === 'number' && Number.isFinite(body.expires_in)
+    ? Math.trunc(body.expires_in)
+    : (typeof body.expires_in === 'string' ? Number.parseInt(body.expires_in.trim(), 10) : NaN);
+  if (!accessToken || !refreshToken || !idToken || !Number.isFinite(expiresIn) || expiresIn <= 0) {
+    throw new Error('codex token exchange response missing required fields');
+  }
+  const claims = parseJwtClaims(idToken);
+  return {
+    accessToken,
+    refreshToken,
+    idToken,
+    accountId: asTrimmedString(claims?.['https://api.openai.com/auth']?.chatgpt_account_id),
+    email: asTrimmedString(claims?.email),
+    planType: asTrimmedString(claims?.['https://api.openai.com/auth']?.chatgpt_plan_type),
+    tokenExpiresAt: Date.now() + expiresIn * 1000,
+  };
+}
+
+async function exchangeCodexToken(form: URLSearchParams): Promise<CodexTokenExchangeResult> {
+  const response = await fetch(CODEX_TOKEN_URL, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded',
+      Accept: 'application/json',
+    },
+    body: form.toString(),
+  });
+  if (!response.ok) {
+    const text = await response.text().catch(() => '');
+    throw new Error(text || `codex token exchange failed with status ${response.status}`);
+  }
+  return parseTokenResponsePayload(await response.json());
+}
+
+export async function exchangeCodexAuthorizationCode(input: {
+  code: string;
+  codeVerifier: string;
+  redirectUri: string;
+}): Promise<CodexTokenExchangeResult> {
+  return exchangeCodexToken(new URLSearchParams({
+    grant_type: 'authorization_code',
+    client_id: CODEX_CLIENT_ID,
+    code: input.code,
+    redirect_uri: input.redirectUri,
+    code_verifier: input.codeVerifier,
+  }));
+}
+
+export async function refreshCodexTokens(refreshToken: string): Promise<CodexTokenExchangeResult> {
+  return exchangeCodexToken(new URLSearchParams({
+    client_id: CODEX_CLIENT_ID,
+    grant_type: 'refresh_token',
+    refresh_token: refreshToken,
+    scope: 'openid profile email',
+  }));
+}
@@ -0,0 +1,49 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import {
+  startCodexLoopbackCallbackServer,
+  stopCodexLoopbackCallbackServer,
+} from './localCallbackServer.js';
+
+describe('codex loopback callback server', () => {
+  afterEach(async () => {
+    await stopCodexLoopbackCallbackServer();
+  });
+
+  it('accepts oauth callback requests and closes the popup on success', async () => {
+    const callbackHandler = vi.fn(async () => ({ accountId: 12, siteId: 34 }));
+    const started = await startCodexLoopbackCallbackServer({
+      host: '127.0.0.1',
+      port: 0,
+      callbackHandler,
+    });
+
+    const response = await fetch(`${started.origin}/auth/callback?state=test-state&code=test-code`);
+    const body = await response.text();
+
+    expect(response.status).toBe(200);
+    expect(callbackHandler).toHaveBeenCalledWith({
+      provider: 'codex',
+      state: 'test-state',
+      code: 'test-code',
+      error: undefined,
+    });
+    expect(body).toContain('window.close()');
+  });
+
+  it('renders an error page when oauth completion fails', async () => {
+    const callbackHandler = vi.fn(async () => {
+      throw new Error('oauth failed');
+    });
+    const started = await startCodexLoopbackCallbackServer({
+      host: '127.0.0.1',
+      port: 0,
+      callbackHandler,
+    });
+
+    const response = await fetch(`${started.origin}/auth/callback?state=test-state&code=test-code`);
+    const body = await response.text();
+
+    expect(response.status).toBe(500);
+    expect(body).toContain('oauth failed');
+  });
+});
@@ -0,0 +1,183 @@
+import { createServer, type IncomingMessage, type Server, type ServerResponse } from 'node:http';
+import { type AddressInfo } from 'node:net';
+import {
+  CODEX_LOOPBACK_CALLBACK_PATH,
+  CODEX_LOOPBACK_CALLBACK_PORT,
+  CODEX_OAUTH_PROVIDER,
+} from './codexProvider.js';
+import { handleOauthCallback } from './service.js';
+
+type CallbackHandler = typeof handleOauthCallback;
+
+type StartCodexLoopbackCallbackServerOptions = {
+  port?: number;
+  host?: string;
+  callbackHandler?: CallbackHandler;
+};
+
+export type CodexLoopbackCallbackServerState = {
+  attempted: boolean;
+  ready: boolean;
+  host?: string;
+  port: number;
+  origin: string;
+  error?: string;
+};
+
+const DEFAULT_STATE: CodexLoopbackCallbackServerState = {
+  attempted: false,
+  ready: false,
+  port: CODEX_LOOPBACK_CALLBACK_PORT,
+  origin: `http://localhost:${CODEX_LOOPBACK_CALLBACK_PORT}`,
+};
+
+let callbackServer: Server | null = null;
+let callbackServerState: CodexLoopbackCallbackServerState = { ...DEFAULT_STATE };
+let startPromise: Promise<CodexLoopbackCallbackServerState> | null = null;
+
+function escapeHtml(value: string): string {
+  return value
+    .replaceAll('&', '&amp;')
+    .replaceAll('<', '&lt;')
+    .replaceAll('>', '&gt;')
+    .replaceAll('"', '&quot;')
+    .replaceAll("'", '&#39;');
+}
+
+function renderCompletionPage(message: string): string {
+  const safeMessage = escapeHtml(message);
+  return `<!doctype html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="utf-8" />
+    <title>Codex OAuth Callback</title>
+  </head>
+  <body>
+    <script>window.close();</script>
+    ${safeMessage}
+  </body>
+</html>`;
+}
+
+function respondHtml(response: ServerResponse, statusCode: number, message: string) {
+  response.writeHead(statusCode, {
+    'Content-Type': 'text/html; charset=utf-8',
+    'Cache-Control': 'no-store',
+  });
+  response.end(renderCompletionPage(message));
+}
+
+async function handleCallbackRequest(
+  request: IncomingMessage,
+  response: ServerResponse,
+  callbackHandler: CallbackHandler,
+) {
+  if (request.method !== 'GET') {
+    response.writeHead(405, { Allow: 'GET' });
+    response.end('Method not allowed');
+    return;
+  }
+
+  const requestUrl = new URL(request.url || '/', 'http://localhost');
+  if (requestUrl.pathname !== CODEX_LOOPBACK_CALLBACK_PATH) {
+    response.writeHead(404);
+    response.end('Not found');
+    return;
+  }
+
+  try {
+    await callbackHandler({
+      provider: CODEX_OAUTH_PROVIDER,
+      state: requestUrl.searchParams.get('state') || '',
+      code: requestUrl.searchParams.get('code') || undefined,
+      error: requestUrl.searchParams.get('error') || undefined,
+    });
+    respondHtml(response, 200, 'OAuth authorization succeeded. You can close this window.');
+  } catch (error: any) {
+    respondHtml(response, 500, `OAuth authorization failed: ${error?.message || 'unknown error'}`);
+  }
+}
+
+function normalizeOrigin(host: string | undefined, port: number): string {
+  if (!host || host === '::' || host === '0.0.0.0') {
+    return `http://localhost:${port}`;
+  }
+  if (host.includes(':') && !host.startsWith('[')) {
+    return `http://[${host}]:${port}`;
+  }
+  return `http://${host}:${port}`;
+}
+
+export function getCodexLoopbackCallbackServerState(): CodexLoopbackCallbackServerState {
+  return { ...callbackServerState };
+}
+
+export async function startCodexLoopbackCallbackServer(
+  options: StartCodexLoopbackCallbackServerOptions = {},
+): Promise<CodexLoopbackCallbackServerState> {
+  if (callbackServer) {
+    return getCodexLoopbackCallbackServerState();
+  }
+  if (startPromise) {
+    return startPromise;
+  }
+
+  const callbackHandler = options.callbackHandler || handleOauthCallback;
+  const requestedPort = options.port ?? CODEX_LOOPBACK_CALLBACK_PORT;
+  const requestedHost = options.host;
+
+  startPromise = new Promise<CodexLoopbackCallbackServerState>((resolve, reject) => {
+    const server = createServer((request, response) => {
+      void handleCallbackRequest(request, response, callbackHandler);
+    });
+
+    const finalizeFailure = (error: Error) => {
+      callbackServerState = {
+        attempted: true,
+        ready: false,
+        host: requestedHost,
+        port: requestedPort,
+        origin: normalizeOrigin(requestedHost, requestedPort),
+        error: error.message || 'failed to start codex oauth callback server',
+      };
+      callbackServer = null;
+      reject(error);
+    };
+
+    server.once('error', (error) => {
+      finalizeFailure(error as Error);
+    });
+
+    server.listen(requestedPort, requestedHost, () => {
+      server.removeAllListeners('error');
+      callbackServer = server;
+      const address = server.address() as AddressInfo | null;
+      const port = address?.port || requestedPort;
+      const host = address?.address || requestedHost;
+      callbackServerState = {
+        attempted: true,
+        ready: true,
+        host,
+        port,
+        origin: normalizeOrigin(host, port),
+      };
+      resolve(getCodexLoopbackCallbackServerState());
+    });
+  }).finally(() => {
+    startPromise = null;
+  });
+
+  return startPromise;
+}
+
+export async function stopCodexLoopbackCallbackServer(): Promise<void> {
+  const server = callbackServer;
+  callbackServer = null;
+  callbackServerState = { ...DEFAULT_STATE };
+
+  if (!server) return;
+
+  await new Promise<void>((resolve, reject) => {
+    server.close((error) => (error ? reject(error) : resolve()));
+  });
+}
@@ -0,0 +1,427 @@
+import { eq } from 'drizzle-orm';
+import { db, schema } from '../../db/index.js';
+import { mergeAccountExtraConfig } from '../accountExtraConfig.js';
+import { refreshModelsForAccount, rebuildTokenRoutesFromAvailability } from '../modelService.js';
+import {
+  buildCodexAuthorizationUrl,
+  CODEX_LOOPBACK_REDIRECT_URI,
+  CODEX_OAUTH_PROVIDER,
+  CODEX_UPSTREAM_BASE_URL,
+  exchangeCodexAuthorizationCode,
+  refreshCodexTokens,
+  type CodexTokenExchangeResult,
+} from './codexProvider.js';
+import {
+  createOauthSession,
+  getOauthSession,
+  markOauthSessionError,
+  markOauthSessionSuccess,
+} from './sessionStore.js';
+import { getCodexOauthInfoFromExtraConfig } from './codexAccount.js';
+import { getCodexLoopbackCallbackServerState } from './localCallbackServer.js';
+
+type OAuthProviderMetadata = {
+  provider: string;
+  label: string;
+  platform: string;
+  enabled: boolean;
+  loginType: 'oauth';
+};
+
+const OAUTH_PROVIDER_LIST: OAuthProviderMetadata[] = [
+  {
+    provider: CODEX_OAUTH_PROVIDER,
+    label: 'Codex',
+    platform: 'codex',
+    enabled: true,
+    loginType: 'oauth',
+  },
+];
+
+const CODEX_SITE_NAME = 'ChatGPT Codex OAuth';
+
+function asNonEmptyString(value: unknown): string | undefined {
+  if (typeof value !== 'string') return undefined;
+  const trimmed = value.trim();
+  return trimmed || undefined;
+}
+
+function getHeaderValue(headers: Record<string, unknown> | undefined, key: string): string | undefined {
+  if (!headers) return undefined;
+  const loweredKey = key.toLowerCase();
+  for (const [rawKey, rawValue] of Object.entries(headers)) {
+    if (rawKey.toLowerCase() !== loweredKey) continue;
+    if (typeof rawValue === 'string') {
+      const trimmed = rawValue.trim();
+      if (trimmed) return trimmed;
+    }
+    if (Array.isArray(rawValue)) {
+      for (const item of rawValue) {
+        if (typeof item !== 'string') continue;
+        const trimmed = item.trim();
+        if (trimmed) return trimmed;
+      }
+    }
+  }
+  return undefined;
+}
+
+function buildUsername(exchange: CodexTokenExchangeResult): string {
+  return exchange.email || exchange.accountId || 'codex-user';
+}
+
+async function getNextAccountSortOrder(): Promise<number> {
+  const rows = await db.select({ sortOrder: schema.accounts.sortOrder }).from(schema.accounts).all();
+  const max = rows.reduce((currentMax, row) => Math.max(currentMax, row.sortOrder || 0), -1);
+  return max + 1;
+}
+
+async function getNextSiteSortOrder(): Promise<number> {
+  const rows = await db.select({ sortOrder: schema.sites.sortOrder }).from(schema.sites).all();
+  const max = rows.reduce((currentMax, row) => Math.max(currentMax, row.sortOrder || 0), -1);
+  return max + 1;
+}
+
+async function ensureCodexSite() {
+  const sites = await db.select().from(schema.sites).all();
+  const existing = sites.find((site) => (
+    String(site.platform || '').trim().toLowerCase() === 'codex'
+    && String(site.url || '').trim() === CODEX_UPSTREAM_BASE_URL
+  ));
+  if (existing) return existing;
+
+  return db.insert(schema.sites).values({
+    name: CODEX_SITE_NAME,
+    url: CODEX_UPSTREAM_BASE_URL,
+    platform: 'codex',
+    status: 'active',
+    useSystemProxy: false,
+    isPinned: false,
+    globalWeight: 1,
+    sortOrder: await getNextSiteSortOrder(),
+  }).returning().get();
+}
+
+function matchesCodexIdentity(
+  account: typeof schema.accounts.$inferSelect,
+  exchange: CodexTokenExchangeResult,
+): boolean {
+  const oauth = getCodexOauthInfoFromExtraConfig(account.extraConfig);
+  if (!oauth || oauth.provider !== CODEX_OAUTH_PROVIDER) return false;
+  if (oauth.accountId && exchange.accountId) return oauth.accountId === exchange.accountId;
+  if (oauth.email && exchange.email) return oauth.email === exchange.email;
+  const username = asNonEmptyString(account.username);
+  if (username && exchange.email) return username === exchange.email;
+  return false;
+}
+
+async function findExistingCodexAccount(exchange: CodexTokenExchangeResult, rebindAccountId?: number) {
+  if (typeof rebindAccountId === 'number' && rebindAccountId > 0) {
+    return db.select().from(schema.accounts)
+      .where(eq(schema.accounts.id, rebindAccountId))
+      .get();
+  }
+
+  const accounts = await db.select().from(schema.accounts).all();
+  return accounts.find((account) => matchesCodexIdentity(account, exchange)) || null;
+}
+
+async function upsertCodexAccount(exchange: CodexTokenExchangeResult, rebindAccountId?: number) {
+  const site = await ensureCodexSite();
+  const existing = await findExistingCodexAccount(exchange, rebindAccountId);
+  const username = buildUsername(exchange);
+  const extraConfig = mergeAccountExtraConfig(existing?.extraConfig, {
+    credentialMode: 'session',
+    oauth: {
+      provider: CODEX_OAUTH_PROVIDER,
+      accountId: exchange.accountId,
+      email: exchange.email,
+      planType: exchange.planType,
+      refreshToken: exchange.refreshToken,
+      idToken: exchange.idToken,
+      tokenExpiresAt: exchange.tokenExpiresAt,
+    },
+  });
+
+  if (existing) {
+    await db.update(schema.accounts).set({
+      siteId: site.id,
+      username,
+      accessToken: exchange.accessToken,
+      apiToken: null,
+      checkinEnabled: false,
+      status: 'active',
+      extraConfig,
+      updatedAt: new Date().toISOString(),
+    }).where(eq(schema.accounts.id, existing.id)).run();
+    return {
+      account: await db.select().from(schema.accounts).where(eq(schema.accounts.id, existing.id)).get(),
+      site,
+      created: false,
+    };
+  }
+
+  const created = await db.insert(schema.accounts).values({
+    siteId: site.id,
+    username,
+    accessToken: exchange.accessToken,
+    apiToken: null,
+    checkinEnabled: false,
+    status: 'active',
+    extraConfig,
+    isPinned: false,
+    sortOrder: await getNextAccountSortOrder(),
+  }).returning().get();
+  return { account: created, site, created: true };
+}
+
+export function listOauthProviders() {
+  return OAUTH_PROVIDER_LIST;
+}
+
+export function startOauthProviderFlow(input: {
+  provider: string;
+  redirectOrigin: string;
+  rebindAccountId?: number;
+}) {
+  if (input.provider !== CODEX_OAUTH_PROVIDER) {
+    throw new Error(`unsupported oauth provider: ${input.provider}`);
+  }
+  const callbackServerState = getCodexLoopbackCallbackServerState();
+  if (callbackServerState.attempted && !callbackServerState.ready) {
+    throw new Error(`codex oauth callback listener is unavailable: ${callbackServerState.error || 'unknown error'}`);
+  }
+  const redirectUri = CODEX_LOOPBACK_REDIRECT_URI;
+  const session = createOauthSession({
+    provider: input.provider,
+    redirectUri,
+    rebindAccountId: input.rebindAccountId,
+  });
+  return {
+    provider: input.provider,
+    state: session.state,
+    authorizationUrl: buildCodexAuthorizationUrl({
+      state: session.state,
+      redirectUri,
+      codeVerifier: session.codeVerifier,
+    }),
+  };
+}
+
+export function getOauthSessionStatus(state: string) {
+  const session = getOauthSession(state);
+  if (!session) return null;
+  return {
+    provider: session.provider,
+    state: session.state,
+    status: session.status,
+    accountId: session.accountId,
+    siteId: session.siteId,
+    error: session.error,
+    createdAt: session.createdAt,
+    updatedAt: session.updatedAt,
+  };
+}
+
+export async function handleOauthCallback(input: {
+  provider: string;
+  state: string;
+  code?: string;
+  error?: string;
+}) {
+  const session = getOauthSession(input.state);
+  if (!session || session.provider !== input.provider) {
+    throw new Error('oauth session not found or provider mismatch');
+  }
+  if (input.error) {
+    markOauthSessionError(input.state, input.error);
+    throw new Error(input.error);
+  }
+  const code = asNonEmptyString(input.code);
+  if (!code) {
+    markOauthSessionError(input.state, 'missing oauth code');
+    throw new Error('missing oauth code');
+  }
+
+  const exchange = await exchangeCodexAuthorizationCode({
+    code,
+    codeVerifier: session.codeVerifier,
+    redirectUri: session.redirectUri,
+  });
+  const { account, site, created } = await upsertCodexAccount(exchange, session.rebindAccountId) as Awaited<ReturnType<typeof upsertCodexAccount>> & { created: boolean };
+  if (!account) {
+    markOauthSessionError(input.state, 'failed to persist oauth account');
+    throw new Error('failed to persist oauth account');
+  }
+
+  const refreshResult = await refreshModelsForAccount(account.id);
+  if (refreshResult.status !== 'success') {
+    if (created) {
+      await db.delete(schema.accounts).where(eq(schema.accounts.id, account.id)).run();
+    }
+    await rebuildTokenRoutesFromAvailability();
+    const errorMessage = refreshResult.errorMessage || 'codex model discovery failed';
+    markOauthSessionError(input.state, errorMessage);
+    throw new Error(errorMessage);
+  }
+
+  await rebuildTokenRoutesFromAvailability();
+  markOauthSessionSuccess(input.state, {
+    accountId: account.id,
+    siteId: site.id,
+  });
+  return { accountId: account.id, siteId: site.id };
+}
+
+export async function listOauthConnections() {
+  const rows = await db.select().from(schema.accounts)
+    .innerJoin(schema.sites, eq(schema.accounts.siteId, schema.sites.id))
+    .all();
+  const modelRows = await db.select({
+    accountId: schema.modelAvailability.accountId,
+    modelName: schema.modelAvailability.modelName,
+  }).from(schema.modelAvailability)
+    .where(eq(schema.modelAvailability.available, true))
+    .all();
+  const modelMap = new Map<number, string[]>();
+  for (const row of modelRows) {
+    if (typeof row.accountId !== 'number') continue;
+    const list = modelMap.get(row.accountId) || [];
+    list.push(row.modelName);
+    modelMap.set(row.accountId, list);
+  }
+  const routeChannelRows = await db.select({
+    accountId: schema.routeChannels.accountId,
+  }).from(schema.routeChannels).all();
+  const routeChannelCountByAccount = new Map<number, number>();
+  for (const row of routeChannelRows) {
+    const current = routeChannelCountByAccount.get(row.accountId) || 0;
+    routeChannelCountByAccount.set(row.accountId, current + 1);
+  }
+
+  return rows
+    .filter((row) => getCodexOauthInfoFromExtraConfig(row.accounts.extraConfig)?.provider === CODEX_OAUTH_PROVIDER)
+    .map((row) => {
+      const oauth = getCodexOauthInfoFromExtraConfig(row.accounts.extraConfig)!;
+      const models = modelMap.get(row.accounts.id) || [];
+      const status = (
+        oauth.modelDiscoveryStatus === 'abnormal'
+        || row.accounts.status !== 'active'
+        || row.sites.status !== 'active'
+      ) ? 'abnormal' : 'healthy';
+      return {
+        accountId: row.accounts.id,
+        siteId: row.sites.id,
+        provider: CODEX_OAUTH_PROVIDER,
+        username: row.accounts.username,
+        email: oauth.email,
+        accountKey: oauth.accountId,
+        planType: oauth.planType,
+        modelCount: models.length,
+        modelsPreview: models.slice(0, 10),
+        status,
+        routeChannelCount: routeChannelCountByAccount.get(row.accounts.id) || 0,
+        lastModelSyncAt: oauth.lastModelSyncAt,
+        lastModelSyncError: oauth.lastModelSyncError,
+        site: {
+          id: row.sites.id,
+          name: row.sites.name,
+          url: row.sites.url,
+          platform: row.sites.platform,
+        },
+      };
+    });
+}
+
+export async function deleteOauthConnection(accountId: number) {
+  const account = await db.select().from(schema.accounts)
+    .where(eq(schema.accounts.id, accountId))
+    .get();
+  if (!account) {
+    throw new Error('oauth account not found');
+  }
+  const oauth = getCodexOauthInfoFromExtraConfig(account.extraConfig);
+  if (!oauth) {
+    throw new Error('account is not managed by oauth');
+  }
+  await db.delete(schema.accounts).where(eq(schema.accounts.id, accountId)).run();
+  await rebuildTokenRoutesFromAvailability();
+  return { success: true };
+}
+
+export async function startOauthRebindFlow(accountId: number, redirectOrigin: string) {
+  const account = await db.select().from(schema.accounts)
+    .where(eq(schema.accounts.id, accountId))
+    .get();
+  if (!account) {
+    throw new Error('oauth account not found');
+  }
+  const oauth = getCodexOauthInfoFromExtraConfig(account.extraConfig);
+  if (!oauth) {
+    throw new Error('account is not managed by oauth');
+  }
+  return startOauthProviderFlow({
+    provider: oauth.provider,
+    redirectOrigin,
+    rebindAccountId: accountId,
+  });
+}
+
+export function buildCodexOauthProviderHeaders(input: {
+  extraConfig?: string | null;
+  downstreamHeaders?: Record<string, unknown>;
+}) {
+  const oauth = getCodexOauthInfoFromExtraConfig(input.extraConfig);
+  if (!oauth) return {};
+
+  const accountId = getHeaderValue(input.downstreamHeaders, 'chatgpt-account-id') || oauth.accountId;
+  const originator = getHeaderValue(input.downstreamHeaders, 'originator') || 'codex_cli_rs';
+  const headers: Record<string, string> = {
+    Originator: originator,
+  };
+  if (accountId) {
+    headers['Chatgpt-Account-Id'] = accountId;
+  }
+  return headers;
+}
+
+export async function refreshCodexOauthAccessToken(accountId: number) {
+  const account = await db.select().from(schema.accounts)
+    .where(eq(schema.accounts.id, accountId))
+    .get();
+  if (!account) {
+    throw new Error('codex oauth account not found');
+  }
+  const oauth = getCodexOauthInfoFromExtraConfig(account.extraConfig);
+  if (!oauth?.refreshToken) {
+    throw new Error('codex oauth refresh token missing');
+  }
+
+  const refreshed = await refreshCodexTokens(oauth.refreshToken);
+  const extraConfig = mergeAccountExtraConfig(account.extraConfig, {
+    credentialMode: 'session',
+    oauth: {
+      provider: CODEX_OAUTH_PROVIDER,
+      accountId: refreshed.accountId || oauth.accountId,
+      email: refreshed.email || oauth.email,
+      planType: refreshed.planType || oauth.planType,
+      refreshToken: refreshed.refreshToken,
+      idToken: refreshed.idToken,
+      tokenExpiresAt: refreshed.tokenExpiresAt,
+    },
+  });
+
+  await db.update(schema.accounts).set({
+    accessToken: refreshed.accessToken,
+    extraConfig,
+    status: 'active',
+    updatedAt: new Date().toISOString(),
+  }).where(eq(schema.accounts.id, accountId)).run();
+
+  return {
+    accountId,
+    accessToken: refreshed.accessToken,
+    accountKey: refreshed.accountId || oauth.accountId,
+    extraConfig,
+  };
+}
@@ -0,0 +1,106 @@
+import { createHash, randomBytes } from 'node:crypto';
+
+export type OAuthSessionStatus = 'pending' | 'success' | 'error';
+
+export type OAuthSessionRecord = {
+  provider: string;
+  state: string;
+  status: OAuthSessionStatus;
+  codeVerifier: string;
+  redirectUri: string;
+  createdAt: string;
+  updatedAt: string;
+  expiresAt: string;
+  accountId?: number;
+  siteId?: number;
+  error?: string;
+  rebindAccountId?: number;
+};
+
+const SESSION_TTL_MS = 10 * 60 * 1000;
+const oauthSessions = new Map<string, OAuthSessionRecord>();
+
+function nowIso(): string {
+  return new Date().toISOString();
+}
+
+function toBase64Url(input: Buffer): string {
+  return input.toString('base64url');
+}
+
+function pruneExpiredSessions(nowMs = Date.now()) {
+  for (const [state, session] of oauthSessions.entries()) {
+    if (Date.parse(session.expiresAt) <= nowMs) {
+      oauthSessions.delete(state);
+    }
+  }
+}
+
+function createPkceVerifier(): string {
+  return toBase64Url(randomBytes(48));
+}
+
+export function createPkceChallenge(codeVerifier: string): string {
+  return createHash('sha256').update(codeVerifier).digest('base64url');
+}
+
+export function createOauthSession(input: {
+  provider: string;
+  redirectUri: string;
+  rebindAccountId?: number;
+}): OAuthSessionRecord {
+  pruneExpiredSessions();
+  const state = toBase64Url(randomBytes(24));
+  const codeVerifier = createPkceVerifier();
+  const createdAt = nowIso();
+  const expiresAt = new Date(Date.now() + SESSION_TTL_MS).toISOString();
+  const record: OAuthSessionRecord = {
+    provider: input.provider,
+    state,
+    status: 'pending',
+    codeVerifier,
+    redirectUri: input.redirectUri,
+    createdAt,
+    updatedAt: createdAt,
+    expiresAt,
+    rebindAccountId: input.rebindAccountId,
+  };
+  oauthSessions.set(state, record);
+  return record;
+}
+
+export function getOauthSession(state: string): OAuthSessionRecord | null {
+  pruneExpiredSessions();
+  return oauthSessions.get(state) || null;
+}
+
+export function markOauthSessionSuccess(
+  state: string,
+  patch: { accountId: number; siteId: number },
+): OAuthSessionRecord | null {
+  const existing = getOauthSession(state);
+  if (!existing) return null;
+  const next: OAuthSessionRecord = {
+    ...existing,
+    status: 'success',
+    updatedAt: nowIso(),
+    accountId: patch.accountId,
+    siteId: patch.siteId,
+    error: undefined,
+  };
+  oauthSessions.set(state, next);
+  return next;
+}
+
+export function markOauthSessionError(state: string, error: string): OAuthSessionRecord | null {
+  const existing = getOauthSession(state);
+  if (!existing) return null;
+  const next: OAuthSessionRecord = {
+    ...existing,
+    status: 'error',
+    updatedAt: nowIso(),
+    error: error.trim() || 'OAuth failed',
+  };
+  oauthSessions.set(state, next);
+  return next;
+}
@@ -0,0 +1,34 @@
+import { BasePlatformAdapter, type BalanceInfo, type CheckinResult, type UserInfo } from './base.js';
+
+function normalizeBaseUrl(baseUrl: string): string {
+  return (baseUrl || '').replace(/\/+$/, '');
+}
+
+export class CodexAdapter extends BasePlatformAdapter {
+  readonly platformName = 'codex';
+
+  async detect(url: string): Promise<boolean> {
+    const normalized = normalizeBaseUrl(url).toLowerCase();
+    return normalized.includes('chatgpt.com/backend-api/codex');
+  }
+
+  override async login(_baseUrl: string, _username: string, _password: string) {
+    return { success: false as const, message: 'codex oauth login is managed via OAuth flow' };
+  }
+
+  override async getUserInfo(_baseUrl: string, _accessToken: string): Promise<UserInfo | null> {
+    return null;
+  }
+
+  async checkin(_baseUrl: string, _accessToken: string): Promise<CheckinResult> {
+    return { success: false, message: 'codex oauth connections do not support checkin' };
+  }
+
+  async getBalance(_baseUrl: string, _accessToken: string): Promise<BalanceInfo> {
+    return { balance: 0, used: 0, quota: 0 };
+  }
+
+  async getModels(_baseUrl: string, _token: string): Promise<string[]> {
+    return [];
+  }
+}
@@ -58,6 +58,11 @@ describe('getAdapter platform aliases', () => {
    expect(getAdapter('gemini')?.platformName).toBe('gemini');
  });

+  it('supports dedicated codex adapter and aliases', () => {
+    expect(getAdapter('codex')?.platformName).toBe('codex');
+    expect(getAdapter('chatgpt-codex')?.platformName).toBe('codex');
+  });
+
  it('detects anyrouter URL before generic new-api adapter', async () => {
    const adapter = await detectPlatform('https://anyrouter.top');
    expect(adapter?.platformName).toBe('anyrouter');
@@ -7,6 +7,7 @@ import { OneHubAdapter } from './oneHub.js';
 import { DoneHubAdapter } from './doneHub.js';
 import { Sub2ApiAdapter } from './sub2api.js';
 import { OpenAiAdapter } from './openai.js';
+import { CodexAdapter } from './codex.js';
 import { ClaudeAdapter } from './claude.js';
 import { GeminiAdapter } from './gemini.js';
 import { CliProxyApiAdapter } from './cliproxyapi.js';
@@ -15,6 +16,7 @@ import { detectPlatformByTitle } from './titleHint.js';
 const adapters: PlatformAdapter[] = [
  // Specific forks before generic adapters for better auto-detection.
  new OpenAiAdapter(),
+  new CodexAdapter(),
  new ClaudeAdapter(),
  new GeminiAdapter(),
  new CliProxyApiAdapter(),
@@ -49,6 +51,9 @@ const platformAliases: Record<string, string> = {
  sub2api: 'sub2api',
  // Official upstream APIs
  openai: 'openai',
+  codex: 'codex',
+  'chatgpt-codex': 'codex',
+  'chatgpt codex': 'codex',
  anthropic: 'claude',
  claude: 'claude',
  gemini: 'gemini',
@@ -83,6 +88,7 @@ function detectPlatformByUrlHint(url: string): string | undefined {

  // Official upstream endpoints.
  if (normalized.includes('api.openai.com')) return 'openai';
+  if (normalized.includes('chatgpt.com/backend-api/codex')) return 'codex';
  if (normalized.includes('api.anthropic.com') || normalized.includes('anthropic.com/v1')) return 'claude';
  if (
    normalized.includes('generativelanguage.googleapis.com')
@@ -119,4 +119,49 @@ describe('TokenRouter site status guard', () => {
    const selected = await new TokenRouter().selectChannel('gpt-4.1-mini');
    expect(selected).toBeNull();
  });
+
+  it('uses codex oauth access token when no api token is present', async () => {
+    const site = await db.insert(schema.sites).values({
+      name: 'codex-site',
+      url: 'https://chatgpt.com/backend-api/codex',
+      platform: 'codex',
+      status: 'active',
+    }).returning().get();
+
+    const account = await db.insert(schema.accounts).values({
+      siteId: site.id,
+      username: 'codex-user@example.com',
+      accessToken: 'oauth-access-token',
+      apiToken: null,
+      status: 'active',
+      extraConfig: JSON.stringify({
+        credentialMode: 'session',
+        oauth: {
+          provider: 'codex',
+          accountId: 'chatgpt-account-123',
+          email: 'codex-user@example.com',
+          planType: 'plus',
+        },
+      }),
+    }).returning().get();
+
+    const route = await db.insert(schema.tokenRoutes).values({
+      modelPattern: 'gpt-5.2-codex',
+      enabled: true,
+    }).returning().get();
+
+    await db.insert(schema.routeChannels).values({
+      routeId: route.id,
+      accountId: account.id,
+      tokenId: null,
+      priority: 0,
+      weight: 10,
+      enabled: true,
+      manualOverride: false,
+    }).run();
+
+    const selected = await new TokenRouter().selectChannel('gpt-5.2-codex');
+    expect(selected).not.toBeNull();
+    expect(selected?.tokenValue).toBe('oauth-access-token');
+  });
 });
@@ -10,6 +10,7 @@ import {
 } from './routeRoutingStrategy.js';
 import { type DownstreamRoutingPolicy, EMPTY_DOWNSTREAM_ROUTING_POLICY } from './downstreamPolicyTypes.js';
 import { isUsableAccountToken } from './accountTokenService.js';
+import { isCodexPlatform } from './oauth/codexAccount.js';

 interface RouteMatch {
  route: typeof schema.tokenRoutes.$inferSelect;
@@ -1042,7 +1043,14 @@ export class TokenRouter {
    }

    const fallback = candidate.account.apiToken?.trim();
-    return fallback || null;
+    if (fallback) return fallback;
+
+    if ((candidate.site?.platform || '').trim().toLowerCase() === 'codex' || isCodexPlatform(candidate.account)) {
+      const accessToken = candidate.account.accessToken?.trim();
+      return accessToken || null;
+    }
+
+    return null;
  }

  private getCandidateEligibilityReasons(
@@ -21,4 +21,12 @@ describe('App sidebar config', () => {
    expect(downstreamIndex).toBeGreaterThan(consoleGroupIndex);
    expect(systemGroupIndex).toBeGreaterThan(downstreamIndex);
  });
+
+  it('adds standalone OAuth 管理 navigation entry', () => {
+    const source = readFileSync(resolve(process.cwd(), 'src/web/App.tsx'), 'utf8');
+
+    expect(source).toContain("{ to: '/oauth', label: 'OAuth 管理'");
+    expect(source).toContain("const OAuthManagement = lazy(() => import('./pages/OAuthManagement.js'));");
+    expect(source).toContain('<Route path="/oauth" element={<OAuthManagement />} />');
+  });
 });
@@ -34,6 +34,7 @@ const Models = lazy(() => import('./pages/Models.js'));
 const About = lazy(() => import('./pages/About.js'));
 const ModelTester = lazy(() => import('./pages/ModelTester.js'));
 const Monitors = lazy(() => import('./pages/Monitors.js'));
+const OAuthManagement = lazy(() => import('./pages/OAuthManagement.js'));

 type ThemeMode = 'system' | 'light' | 'dark';

@@ -328,6 +329,7 @@ const sidebarGroups = [
      { to: '/', label: '仪表盘', icon: <svg className="sidebar-item-icon" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.75} d="M4 5a1 1 0 011-1h4a1 1 0 011 1v5a1 1 0 01-1 1H5a1 1 0 01-1-1V5zM14 5a1 1 0 011-1h4a1 1 0 011 1v2a1 1 0 01-1 1h-4a1 1 0 01-1-1V5zM4 15a1 1 0 011-1h4a1 1 0 011 1v4a1 1 0 01-1 1H5a1 1 0 01-1-1v-4zM14 12a1 1 0 011-1h4a1 1 0 011 1v7a1 1 0 01-1 1h-4a1 1 0 01-1-1v-7z" /></svg> },
      { to: '/sites', label: '站点', icon: <svg className="sidebar-item-icon" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.75} d="M21 12a9 9 0 01-9 9m9-9a9 9 0 00-9-9m9 9H3m9 9a9 9 0 01-9-9m9 9c1.657 0 3-4.03 3-9s-1.343-9-3-9m0 18c-1.657 0-3-4.03-3-9s1.343-9 3-9m-9 9a9 9 0 019-9" /></svg> },
      { to: '/accounts', label: '连接管理', icon: <svg className="sidebar-item-icon" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.75} d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0z" /></svg> },
+      { to: '/oauth', label: 'OAuth 管理', icon: <svg className="sidebar-item-icon" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.75} d="M15 7a3 3 0 106 0 3 3 0 00-6 0zM3 17a3 3 0 106 0 3 3 0 00-6 0zM15 17a3 3 0 106 0 3 3 0 00-6 0zM6 14V10m0 0a3 3 0 113-3m-3 3a3 3 0 003 3h6" /></svg> },
      { to: '/downstream-keys', label: '下游密钥', icon: <svg className="sidebar-item-icon" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.75} d="M15 7a4 4 0 11-8 0 4 4 0 018 0z" /><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.75} d="M7 21a6 6 0 0110.8-3.6M15.5 18.5l2-2m0 0l2 2m-2-2V21" /></svg> },
      { to: '/checkin', label: '签到记录', icon: <svg className="sidebar-item-icon" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.75} d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" /></svg> },
      { to: '/routes', label: '路由', icon: <svg className="sidebar-item-icon" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.75} d="M8 7h12m0 0l-4-4m4 4l-4 4m0 6H4m0 0l4 4m-4-4l4-4" /></svg> },
@@ -763,6 +765,7 @@ function AppShell() {
                <Route path="/" element={<Dashboard adminName={displayName} />} />
                <Route path="/sites" element={<Sites />} />
                <Route path="/accounts" element={<Accounts />} />
+                <Route path="/oauth" element={<OAuthManagement />} />
                <Route path="/tokens" element={<Tokens />} />
                <Route path="/checkin" element={<CheckinLog />} />
                <Route path="/routes" element={<TokenRoutes />} />
@@ -246,6 +246,40 @@ export type ProxyLogsResponse = {
  summary: ProxyLogsSummary;
 };

+export type OAuthProviderInfo = {
+  provider: string;
+  label: string;
+  platform: string;
+  enabled: boolean;
+  loginType: 'oauth';
+};
+
+export type OAuthSessionInfo = {
+  provider: string;
+  state: string;
+  status: 'pending' | 'success' | 'error';
+  accountId?: number;
+  siteId?: number;
+  error?: string;
+};
+
+export type OAuthConnectionInfo = {
+  accountId: number;
+  siteId: number;
+  provider: string;
+  username?: string | null;
+  email?: string | null;
+  accountKey?: string | null;
+  planType?: string | null;
+  modelCount: number;
+  modelsPreview: string[];
+  status: 'healthy' | 'abnormal';
+  routeChannelCount?: number;
+  lastModelSyncAt?: string | null;
+  lastModelSyncError?: string | null;
+  site?: { id: number; name: string; url: string; platform: string } | null;
+};
+
 export const api = {
  // Sites
  getSites: () => request('/api/sites'),
@@ -357,6 +391,22 @@ export const api = {
  // Search
  search: (query: string) => request('/api/search', { method: 'POST', body: JSON.stringify({ query, limit: 20 }) }),

+  // OAuth
+  getOAuthProviders: () => request('/api/oauth/providers') as Promise<{ providers: OAuthProviderInfo[] }>,
+  startOAuthProvider: (provider: string, data?: { accountId?: number }) => request(`/api/oauth/providers/${encodeURIComponent(provider)}/start`, {
+    method: 'POST',
+    body: JSON.stringify(data || {}),
+  }) as Promise<{ provider: string; state: string; authorizationUrl: string }>,
+  getOAuthSession: (state: string) => request(`/api/oauth/sessions/${encodeURIComponent(state)}`) as Promise<OAuthSessionInfo>,
+  getOAuthConnections: () => request('/api/oauth/connections') as Promise<{ items: OAuthConnectionInfo[] }>,
+  rebindOAuthConnection: (accountId: number) => request(`/api/oauth/connections/${accountId}/rebind`, {
+    method: 'POST',
+    body: JSON.stringify({}),
+  }) as Promise<{ provider: string; state: string; authorizationUrl: string }>,
+  deleteOAuthConnection: (accountId: number) => request(`/api/oauth/connections/${accountId}`, {
+    method: 'DELETE',
+  }) as Promise<{ success: true }>,
+
  // Events
  getEvents: (params?: string) => request(`/api/events${params ? '?' + params : ''}`),
  getEventCount: () => request('/api/events/count'),
@@ -0,0 +1,256 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import { act, create } from 'react-test-renderer';
+import { MemoryRouter } from 'react-router-dom';
+import { ToastProvider } from '../components/Toast.js';
+import OAuthManagement from './OAuthManagement.js';
+
+const { apiMock, openMock, focusMock, confirmMock } = vi.hoisted(() => ({
+  apiMock: {
+    getOAuthProviders: vi.fn(),
+    getOAuthConnections: vi.fn(),
+    startOAuthProvider: vi.fn(),
+    getOAuthSession: vi.fn(),
+    rebindOAuthConnection: vi.fn(),
+    deleteOAuthConnection: vi.fn(),
+  },
+  openMock: vi.fn(),
+  focusMock: vi.fn(),
+  confirmMock: vi.fn(),
+}));
+
+vi.mock('../api.js', () => ({
+  api: apiMock,
+}));
+
+function collectText(node: any): string {
+  const children = node?.children || [];
+  return children.map((child: any) => {
+    if (typeof child === 'string') return child;
+    return collectText(child);
+  }).join('');
+}
+
+async function flushMicrotasks() {
+  await act(async () => {
+    await Promise.resolve();
+    await Promise.resolve();
+  });
+}
+
+describe('OAuthManagement page', () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+    vi.clearAllMocks();
+    openMock.mockReturnValue({ focus: focusMock });
+    confirmMock.mockReturnValue(true);
+    vi.stubGlobal('window', {
+      open: openMock,
+      confirm: confirmMock,
+      setTimeout,
+      clearTimeout,
+    } as unknown as Window & typeof globalThis);
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+    vi.unstubAllGlobals();
+    vi.clearAllMocks();
+  });
+
+  it('renders available oauth providers and existing oauth connections', async () => {
+    apiMock.getOAuthProviders.mockResolvedValue({
+      providers: [
+        { provider: 'codex', label: 'Codex', platform: 'codex', enabled: true, loginType: 'oauth' },
+      ],
+    });
+    apiMock.getOAuthConnections.mockResolvedValue({
+      items: [
+        {
+          accountId: 7,
+          provider: 'codex',
+          email: 'codex-user@example.com',
+          planType: 'plus',
+          modelCount: 3,
+          modelsPreview: ['gpt-5', 'gpt-5-mini', 'gpt-5.2-codex'],
+          status: 'active',
+        },
+      ],
+    });
+
+    let root: ReturnType<typeof create> | null = null;
+    try {
+      await act(async () => {
+        root = create(
+          <ToastProvider>
+            <MemoryRouter>
+              <OAuthManagement />
+            </MemoryRouter>
+          </ToastProvider>,
+        );
+      });
+      await flushMicrotasks();
+
+      const text = collectText(root!.root);
+      expect(text).toContain('OAuth 管理');
+      expect(text).toContain('Codex');
+      expect(text).toContain('codex-user@example.com');
+      expect(text).toContain('plus');
+      expect(text).toContain('3 个模型');
+    } finally {
+      root?.unmount();
+    }
+  });
+
+  it('starts oauth, opens popup, polls status, and refreshes connection list after success', async () => {
+    apiMock.getOAuthProviders.mockResolvedValue({
+      providers: [
+        { provider: 'codex', label: 'Codex', platform: 'codex', enabled: true, loginType: 'oauth' },
+      ],
+    });
+    apiMock.getOAuthConnections
+      .mockResolvedValueOnce({ items: [] })
+      .mockResolvedValueOnce({
+        items: [
+          {
+            accountId: 7,
+            provider: 'codex',
+            email: 'codex-user@example.com',
+            planType: 'plus',
+            modelCount: 3,
+            modelsPreview: ['gpt-5', 'gpt-5-mini', 'gpt-5.2-codex'],
+            status: 'active',
+          },
+        ],
+      });
+    apiMock.startOAuthProvider.mockResolvedValue({
+      provider: 'codex',
+      state: 'oauth-state-123',
+      authorizationUrl: 'https://auth.openai.com/oauth/authorize?state=oauth-state-123',
+    });
+    apiMock.getOAuthSession
+      .mockResolvedValueOnce({
+        provider: 'codex',
+        state: 'oauth-state-123',
+        status: 'pending',
+      })
+      .mockResolvedValueOnce({
+        provider: 'codex',
+        state: 'oauth-state-123',
+        status: 'success',
+        accountId: 7,
+      });
+
+    let root: ReturnType<typeof create> | null = null;
+    try {
+      await act(async () => {
+        root = create(
+          <ToastProvider>
+            <MemoryRouter>
+              <OAuthManagement />
+            </MemoryRouter>
+          </ToastProvider>,
+        );
+      });
+      await flushMicrotasks();
+
+      const startButton = root!.root.find((node) => (
+        node.type === 'button'
+        && typeof node.props.onClick === 'function'
+        && collectText(node).includes('连接 Codex')
+      ));
+
+      await act(async () => {
+        await startButton.props.onClick();
+      });
+      await flushMicrotasks();
+
+      expect(apiMock.startOAuthProvider).toHaveBeenCalledWith('codex');
+      expect(openMock).toHaveBeenCalledWith(
+        'https://auth.openai.com/oauth/authorize?state=oauth-state-123',
+        'oauth-codex',
+        expect.stringContaining('width=540'),
+      );
+
+      await act(async () => {
+        vi.advanceTimersByTime(1600);
+      });
+      await flushMicrotasks();
+
+      await act(async () => {
+        vi.advanceTimersByTime(1600);
+      });
+      await flushMicrotasks();
+
+      expect(apiMock.getOAuthSession).toHaveBeenCalledWith('oauth-state-123');
+      expect(apiMock.getOAuthConnections).toHaveBeenCalledTimes(2);
+      const text = collectText(root!.root);
+      expect(text).toContain('授权成功');
+      expect(text).toContain('codex-user@example.com');
+    } finally {
+      root?.unmount();
+    }
+  });
+
+  it('shows oauth connection status metadata and allows deleting a connection', async () => {
+    apiMock.getOAuthProviders.mockResolvedValue({
+      providers: [
+        { provider: 'codex', label: 'Codex', platform: 'codex', enabled: true, loginType: 'oauth' },
+      ],
+    });
+    apiMock.getOAuthConnections
+      .mockResolvedValueOnce({
+        items: [
+          {
+            accountId: 7,
+            provider: 'codex',
+            email: 'codex-user@example.com',
+            planType: 'team',
+            modelCount: 11,
+            modelsPreview: ['gpt-5.4', 'gpt-5.3-codex', 'gpt-5.2-codex'],
+            status: 'abnormal',
+            routeChannelCount: 1,
+            lastModelSyncAt: '2026-03-17T08:00:00.000Z',
+            lastModelSyncError: 'Codex 模型获取失败（HTTP 403: forbidden）',
+          },
+        ],
+      })
+      .mockResolvedValueOnce({ items: [] });
+    apiMock.deleteOAuthConnection.mockResolvedValue({ success: true });
+
+    let root: ReturnType<typeof create> | null = null;
+    try {
+      await act(async () => {
+        root = create(
+          <ToastProvider>
+            <MemoryRouter>
+              <OAuthManagement />
+            </MemoryRouter>
+          </ToastProvider>,
+        );
+      });
+      await flushMicrotasks();
+
+      const text = collectText(root!.root);
+      expect(text).toContain('异常');
+      expect(text).toContain('1 条路由');
+      expect(text).toContain('Codex 模型获取失败');
+
+      const deleteButton = root!.root.find((node) => (
+        node.type === 'button'
+        && typeof node.props.onClick === 'function'
+        && collectText(node).includes('删除连接')
+      ));
+
+      await act(async () => {
+        await deleteButton.props.onClick();
+      });
+      await flushMicrotasks();
+
+      expect(confirmMock).toHaveBeenCalled();
+      expect(apiMock.deleteOAuthConnection).toHaveBeenCalledWith(7);
+      expect(apiMock.getOAuthConnections).toHaveBeenCalledTimes(2);
+    } finally {
+      root?.unmount();
+    }
+  });
+});
@@ -0,0 +1,239 @@
+import { useEffect, useState } from 'react';
+import { api, type OAuthConnectionInfo, type OAuthProviderInfo } from '../api.js';
+
+const POLL_INTERVAL_MS = 1500;
+
+type ActiveSession = {
+  provider: string;
+  state: string;
+};
+
+function openOAuthPopup(provider: string, authorizationUrl: string) {
+  if (typeof window === 'undefined' || typeof window.open !== 'function') return;
+  const popup = window.open(
+    authorizationUrl,
+    `oauth-${provider}`,
+    'popup=yes,width=540,height=760,resizable=yes,scrollbars=yes',
+  );
+  if (popup && typeof popup.focus === 'function') {
+    popup.focus();
+  }
+}
+
+function resolveConnectionStatusLabel(status?: string): string {
+  return status === 'abnormal' ? '异常' : '正常';
+}
+
+export default function OAuthManagement() {
+  const [providers, setProviders] = useState<OAuthProviderInfo[]>([]);
+  const [connections, setConnections] = useState<OAuthConnectionInfo[]>([]);
+  const [loaded, setLoaded] = useState(false);
+  const [activeSession, setActiveSession] = useState<ActiveSession | null>(null);
+  const [sessionMessage, setSessionMessage] = useState('');
+  const [actionLoadingKey, setActionLoadingKey] = useState('');
+
+  const loadConnections = async () => {
+    const response = await api.getOAuthConnections();
+    setConnections(Array.isArray(response?.items) ? response.items : []);
+  };
+
+  const load = async () => {
+    try {
+      const [providersResponse] = await Promise.all([
+        api.getOAuthProviders(),
+        loadConnections(),
+      ]);
+      setProviders(Array.isArray(providersResponse?.providers) ? providersResponse.providers : []);
+    } finally {
+      setLoaded(true);
+    }
+  };
+
+  useEffect(() => {
+    load();
+  }, []);
+
+  useEffect(() => {
+    if (!activeSession) return;
+
+    let cancelled = false;
+    let timer: ReturnType<typeof setTimeout> | null = null;
+
+    const poll = async () => {
+      try {
+        const session = await api.getOAuthSession(activeSession.state);
+        if (cancelled) return;
+
+        if (session.status === 'pending') {
+          setSessionMessage('等待授权完成');
+          timer = setTimeout(poll, POLL_INTERVAL_MS);
+          return;
+        }
+
+        if (session.status === 'success') {
+          setSessionMessage('授权成功');
+          await loadConnections();
+          setActiveSession(null);
+          return;
+        }
+
+        setSessionMessage(`授权失败：${session.error || '未知错误'}`);
+        setActiveSession(null);
+      } catch (error: any) {
+        if (cancelled) return;
+        setSessionMessage(error?.message || 'OAuth 会话状态查询失败');
+        setActiveSession(null);
+      }
+    };
+
+    poll();
+    return () => {
+      cancelled = true;
+      if (timer) clearTimeout(timer);
+    };
+  }, [activeSession]);
+
+  const handleStart = async (provider: string, accountId?: number) => {
+    const actionKey = `start:${provider}:${accountId || 0}`;
+    setActionLoadingKey(actionKey);
+    try {
+      const started = accountId
+        ? await api.rebindOAuthConnection(accountId)
+        : await api.startOAuthProvider(provider);
+      setSessionMessage('等待授权完成');
+      setActiveSession({
+        provider: started.provider,
+        state: started.state,
+      });
+      openOAuthPopup(provider, started.authorizationUrl);
+    } catch (error: any) {
+      setSessionMessage(error?.message || '无法启动 OAuth 授权');
+    } finally {
+      setActionLoadingKey('');
+    }
+  };
+
+  const handleDelete = async (accountId: number) => {
+    if (typeof window !== 'undefined' && typeof window.confirm === 'function') {
+      const confirmed = window.confirm('确定要删除这个 OAuth 连接吗？');
+      if (!confirmed) return;
+    }
+    const actionKey = `delete:${accountId}`;
+    setActionLoadingKey(actionKey);
+    try {
+      await api.deleteOAuthConnection(accountId);
+      setSessionMessage('连接已删除');
+      await loadConnections();
+    } catch (error: any) {
+      setSessionMessage(error?.message || '删除 OAuth 连接失败');
+    } finally {
+      setActionLoadingKey('');
+    }
+  };
+
+  return (
+    <div className="page-container">
+      <div className="page-header">
+        <div>
+          <div className="page-title">OAuth 管理</div>
+          <div className="page-subtitle">统一管理需要浏览器授权的上游连接。首版支持 Codex。</div>
+        </div>
+      </div>
+
+      {sessionMessage && (
+        <div className="card" style={{ padding: 16, marginBottom: 16 }}>
+          <div style={{ fontSize: 13, color: 'var(--color-text-secondary)' }}>{sessionMessage}</div>
+        </div>
+      )}
+
+      <div className="card" style={{ padding: 20, marginBottom: 16 }}>
+        <div style={{ fontSize: 15, fontWeight: 600, marginBottom: 12 }}>授权入口</div>
+        <div style={{ display: 'grid', gap: 12 }}>
+          {providers.map((provider) => {
+            const actionKey = `start:${provider.provider}:0`;
+            return (
+              <div key={provider.provider} style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', gap: 12 }}>
+                <div>
+                  <div style={{ fontSize: 14, fontWeight: 600 }}>{provider.label}</div>
+                  <div style={{ fontSize: 12, color: 'var(--color-text-muted)' }}>{provider.platform}</div>
+                </div>
+                <button
+                  type="button"
+                  className="btn btn-primary"
+                  onClick={() => handleStart(provider.provider)}
+                  disabled={actionLoadingKey === actionKey}
+                >
+                  {actionLoadingKey === actionKey ? '启动中...' : `连接 ${provider.label}`}
+                </button>
+              </div>
+            );
+          })}
+          {loaded && providers.length === 0 && (
+            <div style={{ fontSize: 13, color: 'var(--color-text-muted)' }}>当前没有可用的 OAuth Provider。</div>
+          )}
+        </div>
+      </div>
+
+      <div className="card" style={{ padding: 20 }}>
+        <div style={{ fontSize: 15, fontWeight: 600, marginBottom: 12 }}>已连接账号</div>
+        <div style={{ display: 'grid', gap: 12 }}>
+          {connections.map((connection) => {
+            const rebindActionKey = `start:${connection.provider}:${connection.accountId}`;
+            const deleteActionKey = `delete:${connection.accountId}`;
+            return (
+              <div key={connection.accountId} style={{ border: '1px solid var(--color-border)', borderRadius: 'var(--radius-md)', padding: 14 }}>
+                <div style={{ display: 'flex', alignItems: 'flex-start', justifyContent: 'space-between', gap: 12 }}>
+                  <div style={{ minWidth: 0 }}>
+                    <div style={{ fontSize: 14, fontWeight: 600 }}>{connection.email || connection.username || connection.provider}</div>
+                    <div style={{ fontSize: 12, color: 'var(--color-text-muted)', marginTop: 4 }}>
+                      {connection.planType || 'unknown'} · {connection.modelCount} 个模型
+                    </div>
+                    <div style={{ fontSize: 12, color: 'var(--color-text-muted)', marginTop: 4 }}>
+                      {resolveConnectionStatusLabel(connection.status)} · {connection.routeChannelCount || 0} 条路由
+                    </div>
+                    {connection.lastModelSyncAt && (
+                      <div style={{ fontSize: 12, color: 'var(--color-text-muted)', marginTop: 4 }}>
+                        最近同步: {connection.lastModelSyncAt}
+                      </div>
+                    )}
+                    {connection.lastModelSyncError && (
+                      <div style={{ fontSize: 12, color: 'var(--color-danger)', marginTop: 4 }}>
+                        {connection.lastModelSyncError}
+                      </div>
+                    )}
+                    {connection.modelsPreview.length > 0 && (
+                      <div style={{ fontSize: 12, color: 'var(--color-text-muted)', marginTop: 6 }}>
+                        {connection.modelsPreview.join(', ')}
+                      </div>
+                    )}
+                  </div>
+                  <div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
+                    <button
+                      type="button"
+                      className="btn btn-ghost"
+                      onClick={() => handleStart(connection.provider, connection.accountId)}
+                      disabled={actionLoadingKey === rebindActionKey || actionLoadingKey === deleteActionKey}
+                    >
+                      {actionLoadingKey === rebindActionKey ? '启动中...' : '重新授权'}
+                    </button>
+                    <button
+                      type="button"
+                      className="btn btn-ghost"
+                      onClick={() => handleDelete(connection.accountId)}
+                      disabled={actionLoadingKey === rebindActionKey || actionLoadingKey === deleteActionKey}
+                    >
+                      {actionLoadingKey === deleteActionKey ? '删除中...' : '删除连接'}
+                    </button>
+                  </div>
+                </div>
+              </div>
+            );
+          })}
+          {loaded && connections.length === 0 && (
+            <div style={{ fontSize: 13, color: 'var(--color-text-muted)' }}>还没有 OAuth 连接。</div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
@@ -52,6 +52,7 @@ const platformColors: Record<string, string> = {
  'done-hub': 'badge-muted',
  sub2api: 'badge-muted',
  openai: 'badge-success',
+  codex: 'badge-success',
  claude: 'badge-warning',
  gemini: 'badge-info',
  cliproxyapi: 'badge-info',
@@ -67,6 +68,7 @@ const SITE_PLATFORM_OPTIONS = [
  { value: 'done-hub', label: 'done-hub' },
  { value: 'sub2api', label: 'sub2api' },
  { value: 'openai', label: 'openai' },
+  { value: 'codex', label: 'codex' },
  { value: 'claude', label: 'claude' },
  { value: 'gemini', label: 'gemini' },
  { value: 'cliproxyapi', label: 'cliproxyapi' },
@@ -290,11 +292,16 @@ export default function Sites() {
          const createdPlatform = typeof created?.platform === 'string' && created.platform.trim()
            ? created.platform.trim()
            : payload.platform;
-          const initialSegment = resolveInitialConnectionSegment(createdPlatform);
          const params = new URLSearchParams({
            create: '1',
            siteId: String(createdSiteId),
          });
+          if (String(createdPlatform || '').trim().toLowerCase() === 'codex') {
+            params.set('provider', 'codex');
+            navigate(`/oauth?${params.toString()}`);
+            return;
+          }
+          const initialSegment = resolveInitialConnectionSegment(createdPlatform);
          if (initialSegment === 'apikey') {
            params.set('segment', 'apikey');
          }
@@ -50,6 +50,7 @@ async function createSiteAndCollectLocation(createdSite: { id: number; platform?
            <Routes>
              <Route path="/sites" element={<Sites />} />
              <Route path="/accounts" element={<LocationProbe />} />
+              <Route path="/oauth" element={<LocationProbe />} />
            </Routes>
          </MemoryRouter>
        </ToastProvider>,
@@ -124,4 +125,13 @@ describe('Sites create redirect', () => {
    expect(rendered).toContain('create=1');
    expect(rendered).toContain('siteId=22');
  });
+
+  it('redirects a codex site to oauth management instead of legacy account import', async () => {
+    const rendered = await createSiteAndCollectLocation({ id: 23, platform: 'codex' });
+
+    expect(rendered).toContain('/oauth?');
+    expect(rendered).toContain('provider=codex');
+    expect(rendered).toContain('create=1');
+    expect(rendered).toContain('siteId=23');
+  });
 });
@@ -473,7 +473,7 @@ function RouteCardInner({
        </div>
      ) : (
        <div style={{ fontSize: 13, color: 'var(--color-text-muted)', paddingLeft: 4 }}>
-          {readOnlyRoute ? tr('暂无通道，先补齐令牌后再重建路由。') : tr('暂无通道')}
+          {readOnlyRoute ? tr('暂无通道，先补齐连接配置后再重建路由。') : tr('暂无通道')}
        </div>
      )}
    </div>
@@ -346,7 +346,7 @@ describe('TokenRoutes grouped source models', () => {
      const expandedText = collectText(root.root);
      expect(expandedText).toContain('待注册站点');
      expect(expandedText).toContain('Wong');
-      expect(expandedText).toContain('暂无通道，先补齐令牌后再重建路由。');
+      expect(expandedText).toContain('暂无通道，先补齐连接配置后再重建路由。');
      expect(expandedText).not.toContain('添加通道');
      expect(expandedText).not.toContain('删除路由');
      expect(expandedText).not.toContain('编辑群组');