🔌 ci: Configure Provider Base URLs For Live Tests

.github/workflows/validate.yml

@@ -118,7 +118,9 @@ jobs:
           NODE_OPTIONS: '--experimental-vm-modules'
           NODE_ENV: test
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+          OPENAI_BASE_URL: ${{ vars.OPENAI_BASE_URL || secrets.OPENAI_BASE_URL }}
           ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          ANTHROPIC_BASE_URL: ${{ vars.ANTHROPIC_BASE_URL || secrets.ANTHROPIC_BASE_URL }}
           GOOGLE_API_KEY: ${{ secrets.GOOGLE_API_KEY }}
           AZURE_MODEL_NAME: ${{ secrets.AZURE_MODEL_NAME }}
           AZURE_OPENAI_API_KEY: ${{ secrets.AZURE_OPENAI_API_KEY }}
@@ -164,7 +166,9 @@ jobs:
           NODE_OPTIONS: '--experimental-vm-modules'
           NODE_ENV: test
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+          OPENAI_BASE_URL: ${{ vars.OPENAI_BASE_URL || secrets.OPENAI_BASE_URL }}
           ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          ANTHROPIC_BASE_URL: ${{ vars.ANTHROPIC_BASE_URL || secrets.ANTHROPIC_BASE_URL }}
           GOOGLE_API_KEY: ${{ secrets.GOOGLE_API_KEY }}
           AZURE_MODEL_NAME: ${{ secrets.AZURE_MODEL_NAME }}
           AZURE_OPENAI_API_KEY: ${{ secrets.AZURE_OPENAI_API_KEY }}
@@ -266,6 +270,7 @@ jobs:
           NODE_OPTIONS: '--experimental-vm-modules'
           NODE_ENV: test
           ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          ANTHROPIC_BASE_URL: ${{ vars.ANTHROPIC_BASE_URL || secrets.ANTHROPIC_BASE_URL }}
 
       - name: Surface Anthropic LLM soft failure
         if: always() && steps.anthropic_changes.outputs.changed == 'true' && steps.anthropic_llm_tests.outcome == 'failure'

src/llm/providerBaseUrls.test.ts

@@ -0,0 +1,64 @@
+import { afterEach, describe, expect, it } from '@jest/globals';
+import { CustomAnthropic } from '@/llm/anthropic';
+import { ChatOpenAI } from '@/llm/openai';
+
+const originalOpenAIBaseURL = process.env.OPENAI_BASE_URL;
+const originalAnthropicBaseURL = process.env.ANTHROPIC_BASE_URL;
+
+function restoreEnv(
+  name: 'OPENAI_BASE_URL' | 'ANTHROPIC_BASE_URL',
+  value?: string
+): void {
+  if (value == null) {
+    delete process.env[name];
+  } else {
+    process.env[name] = value;
+  }
+}
+
+describe('provider base URLs from the environment', () => {
+  afterEach(() => {
+    restoreEnv('OPENAI_BASE_URL', originalOpenAIBaseURL);
+    restoreEnv('ANTHROPIC_BASE_URL', originalAnthropicBaseURL);
+  });
+
+  it('routes OpenAI requests through OPENAI_BASE_URL', async () => {
+    process.env.OPENAI_BASE_URL = 'https://openai-proxy.example/v1';
+    const requestedURLs: string[] = [];
+    const capturingFetch: typeof fetch = async (input) => {
+      requestedURLs.push(String(input));
+      throw new Error('Intercepted test request');
+    };
+    const model = new ChatOpenAI({
+      model: 'gpt-4o-mini',
+      apiKey: 'test-key',
+      maxRetries: 0,
+      configuration: { fetch: capturingFetch },
+    });
+
+    await expect(model.invoke('hello')).rejects.toThrow('Connection error.');
+    expect(requestedURLs).toEqual([
+      'https://openai-proxy.example/v1/chat/completions',
+    ]);
+  });
+
+  it('routes Anthropic requests through ANTHROPIC_BASE_URL', async () => {
+    process.env.ANTHROPIC_BASE_URL = 'https://anthropic-proxy.example';
+    const requestedURLs: string[] = [];
+    const capturingFetch: typeof fetch = async (input) => {
+      requestedURLs.push(String(input));
+      throw new Error('Intercepted test request');
+    };
+    const model = new CustomAnthropic({
+      model: 'claude-haiku-4-5',
+      apiKey: 'test-key',
+      maxRetries: 0,
+      clientOptions: { fetch: capturingFetch },
+    });
+
+    await expect(model.invoke('hello')).rejects.toThrow('Connection error.');
+    expect(requestedURLs).toEqual([
+      'https://anthropic-proxy.example/v1/messages',
+    ]);
+  });
+});