Add LLM subscription client methods

src/__tests__/api-clients.test.ts

@@ -21,6 +21,7 @@ import {
   FileClient,
   HooksClient,
   isAgentServerVersionError,
+  LLMMetadataClient,
   MCPClient,
   MetaProfilesClient,
   ProfilesClient,
@@ -310,6 +311,90 @@ describe('Auxiliary API clients', () => {
     );
   });
 
+  it('LLMMetadataClient.getOpenAISubscriptionModels returns models array', async () => {
+    global.fetch = jest.fn().mockResolvedValue(
+      new Response(JSON.stringify({ vendor: 'openai', models: ['gpt-5.2', 'gpt-5.3-codex'] }), {
+        status: 200,
+        headers: { 'content-type': 'application/json' },
+      })
+    ) as typeof fetch;
+
+    const client = new LLMMetadataClient({ host: 'http://example.com', apiKey: 'secret' });
+    const models = await client.getOpenAISubscriptionModels();
+
+    expect(models).toEqual(['gpt-5.2', 'gpt-5.3-codex']);
+    expect(global.fetch).toHaveBeenCalledWith(
+      'http://example.com/api/llm/subscription/openai/models',
+      expect.objectContaining({ method: 'GET' })
+    );
+  });
+
+  it('LLMMetadataClient calls OpenAI subscription endpoints without exposing tokens', async () => {
+    const responses = [
+      { vendor: 'openai', connected: false, account_email: null, expires_at: null },
+      {
+        device_code: 'opaque-token',
+        user_code: 'ABCD-EFGH',
+        verification_uri: 'https://auth.example/device',
+        verification_uri_complete: null,
+        expires_at: 4102444800000,
+        interval_seconds: 5,
+      },
+      { vendor: 'openai', connected: true, account_email: null, expires_at: 4102444800000 },
+      { vendor: 'openai', connected: false, account_email: null, expires_at: null },
+    ];
+    global.fetch = jest.fn().mockImplementation(() =>
+      Promise.resolve(
+        new Response(JSON.stringify(responses.shift()), {
+          status: 200,
+          headers: { 'content-type': 'application/json' },
+        })
+      )
+    ) as typeof fetch;
+
+    const client = new LLMMetadataClient({ host: 'http://example.com', apiKey: 'secret' });
+
+    await expect(client.getOpenAISubscriptionStatus()).resolves.toMatchObject({
+      vendor: 'openai',
+      connected: false,
+    });
+    await expect(client.startOpenAISubscriptionDeviceLogin()).resolves.toMatchObject({
+      device_code: 'opaque-token',
+      user_code: 'ABCD-EFGH',
+    });
+    await expect(client.pollOpenAISubscriptionDeviceLogin('opaque-token')).resolves.toMatchObject({
+      connected: true,
+      expires_at: 4102444800000,
+    });
+    await expect(client.logoutOpenAISubscription()).resolves.toMatchObject({ connected: false });
+
+    expect(global.fetch).toHaveBeenNthCalledWith(
+      1,
+      'http://example.com/api/llm/subscription/openai/status',
+      expect.objectContaining({ method: 'GET' })
+    );
+    expect(global.fetch).toHaveBeenNthCalledWith(
+      2,
+      'http://example.com/api/llm/subscription/openai/device/start',
+      expect.objectContaining({ method: 'POST' })
+    );
+    expect(global.fetch).toHaveBeenNthCalledWith(
+      3,
+      'http://example.com/api/llm/subscription/openai/device/poll',
+      expect.objectContaining({
+        method: 'POST',
+        body: JSON.stringify({ device_code: 'opaque-token' }),
+      })
+    );
+    expect(global.fetch).toHaveBeenNthCalledWith(
+      4,
+      'http://example.com/api/llm/subscription/openai/logout',
+      expect.objectContaining({ method: 'POST' })
+    );
+    expect(JSON.stringify((global.fetch as jest.Mock).mock.calls)).not.toContain('access-token');
+    expect(JSON.stringify((global.fetch as jest.Mock).mock.calls)).not.toContain('refresh-token');
+  });
+
   it('SkillsClient.syncSkills posts to the sync endpoint', async () => {
     global.fetch = jest.fn().mockResolvedValue(
       new Response(JSON.stringify({ status: 'success', message: 'ok' }), {

src/client/llm-client.ts

@@ -1,5 +1,13 @@
 import { HttpClient } from './http-client';
-import { ModelsResponse, ProvidersResponse, VerifiedModelsResponse } from '../models/api';
+import {
+  LLMSubscriptionDevicePollRequest,
+  LLMSubscriptionDeviceStartResponse,
+  LLMSubscriptionModelsResponse,
+  LLMSubscriptionStatusResponse,
+  ModelsResponse,
+  ProvidersResponse,
+  VerifiedModelsResponse,
+} from '../models/api';
 
 export interface LLMMetadataClientOptions {
   host: string;
@@ -39,6 +47,45 @@ export class LLMMetadataClient {
     return response.data.models;
   }
 
+  async getOpenAISubscriptionModels(): Promise<string[]> {
+    const response = await this.client.get<LLMSubscriptionModelsResponse>(
+      '/api/llm/subscription/openai/models'
+    );
+    return response.data.models;
+  }
+
+  async getOpenAISubscriptionStatus(): Promise<LLMSubscriptionStatusResponse> {
+    const response = await this.client.get<LLMSubscriptionStatusResponse>(
+      '/api/llm/subscription/openai/status'
+    );
+    return response.data;
+  }
+
+  async startOpenAISubscriptionDeviceLogin(): Promise<LLMSubscriptionDeviceStartResponse> {
+    const response = await this.client.post<LLMSubscriptionDeviceStartResponse>(
+      '/api/llm/subscription/openai/device/start'
+    );
+    return response.data;
+  }
+
+  async pollOpenAISubscriptionDeviceLogin(
+    deviceCode: string
+  ): Promise<LLMSubscriptionStatusResponse> {
+    const body: LLMSubscriptionDevicePollRequest = { device_code: deviceCode };
+    const response = await this.client.post<LLMSubscriptionStatusResponse>(
+      '/api/llm/subscription/openai/device/poll',
+      body
+    );
+    return response.data;
+  }
+
+  async logoutOpenAISubscription(): Promise<LLMSubscriptionStatusResponse> {
+    const response = await this.client.post<LLMSubscriptionStatusResponse>(
+      '/api/llm/subscription/openai/logout'
+    );
+    return response.data;
+  }
+
   close(): void {
     this.client.close();
   }

src/models/api.ts

@@ -30,6 +30,31 @@ export interface VerifiedModelsResponse {
   models: Record<string, string[]>;
 }
 
+export interface LLMSubscriptionStatusResponse {
+  vendor: string;
+  connected: boolean;
+  account_email: string | null;
+  expires_at: number | null;
+}
+
+export interface LLMSubscriptionDeviceStartResponse {
+  device_code: string;
+  user_code: string;
+  verification_uri: string;
+  verification_uri_complete: string | null;
+  expires_at: number;
+  interval_seconds: number;
+}
+
+export interface LLMSubscriptionDevicePollRequest {
+  device_code: string;
+}
+
+export interface LLMSubscriptionModelsResponse {
+  vendor: string;
+  models: string[];
+}
+
 export interface SettingsSchema {
   model_name: string;
   sections: Array<Record<string, unknown>>;