fix: allow non-OpenAI providers to skip OPENAI_API_KEY check

src/integrations/gateways/gitlawb-opengateway.ts

@@ -12,6 +12,13 @@ export default defineGateway({
     requiresAuth: false,
     authMode: 'none',
   },
+  validation: {
+    kind: 'credential-env',
+    credentialEnvVars: [],
+    routing: {
+      matchBaseUrlHosts: ['opengateway.gitlawb.com', 'opengateway.fly.dev'],
+    },
+  },
   transportConfig: {
     kind: 'openai-compatible',
     openaiShim: {

src/utils/providerValidation.test.ts

@@ -244,6 +244,22 @@ test('xiaomi mimo validation accepts MIMO_API_KEY without OPENAI_API_KEY', async
   await expect(getProviderValidationError(process.env)).resolves.toBeNull()
 })
 
+test('opengateway validation allows no-auth access without OPENAI_API_KEY', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://opengateway.gitlawb.com/v1'
+  delete process.env.OPENAI_API_KEY
+
+  await expect(getProviderValidationError(process.env)).resolves.toBeNull()
+})
+
+test('opengateway validation allows no-auth access with model-specific path', async () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  process.env.OPENAI_BASE_URL = 'https://opengateway.gitlawb.com/v1/xiaomi-mimo'
+  delete process.env.OPENAI_API_KEY
+
+  await expect(getProviderValidationError(process.env)).resolves.toBeNull()
+})
+
 test('github validation stays descriptor-selected and reports missing auth', async () => {
   process.env.CLAUDE_CODE_USE_GITHUB = '1'
   delete process.env.CLAUDE_CODE_USE_OPENAI

src/utils/providerValidation.ts

@@ -470,6 +470,21 @@ export async function getProviderValidationError(
   }
 
   if (!env.OPENAI_API_KEY && !isLocalProviderUrl(request.baseUrl)) {
+    // If we have a validation target that explicitly says it doesn't require auth,
+    // we should not require OPENAI_API_KEY.
+    if (validationTarget?.descriptor.setup?.requiresAuth === false) {
+      return null
+    }
+
+    // For other OpenAI-compatible providers, check if any of their specific
+    // credential env vars are set before falling back to the generic error.
+    if (validationTarget?.kind === 'vendor' || validationTarget?.kind === 'gateway') {
+      const envVars = validationTarget.descriptor.setup?.credentialEnvVars ?? []
+      if (envVars.some(v => env[v])) {
+        return null
+      }
+    }
+
     return getOpenAIMissingKeyMessage()
   }