fix(core): extend DashScope provider detection with additional hostname rules

packages/core/src/core/openaiContentGenerator/provider/dashscope.test.ts

@@ -164,6 +164,61 @@ describe('DashScopeOpenAICompatibleProvider', () => {
       expect(result).toBe(true);
     });
 
+    it('should return true for internal alibaba-inc.com subdomain', () => {
+      const config = {
+        authType: AuthType.USE_OPENAI,
+        baseUrl: 'https://gateway.alibaba-inc.com/dashscope/v1',
+      } as ContentGeneratorConfig;
+
+      const result =
+        DashScopeOpenAICompatibleProvider.isDashScopeProvider(config);
+      expect(result).toBe(true);
+    });
+
+    it('should return true for internal aliyun-inc.com subdomain', () => {
+      const config = {
+        authType: AuthType.USE_OPENAI,
+        baseUrl: 'https://model-gateway.aliyun-inc.com/dashscope/v1',
+      } as ContentGeneratorConfig;
+
+      const result =
+        DashScopeOpenAICompatibleProvider.isDashScopeProvider(config);
+      expect(result).toBe(true);
+    });
+
+    it('should return true for multi-level internal subdomain', () => {
+      const config = {
+        authType: AuthType.USE_OPENAI,
+        baseUrl: 'https://a.b.alibaba-inc.com/dashscope/v1',
+      } as ContentGeneratorConfig;
+
+      const result =
+        DashScopeOpenAICompatibleProvider.isDashScopeProvider(config);
+      expect(result).toBe(true);
+    });
+
+    it('should return false for bare alibaba-inc.com domain', () => {
+      const config = {
+        authType: AuthType.USE_OPENAI,
+        baseUrl: 'https://alibaba-inc.com/v1',
+      } as ContentGeneratorConfig;
+
+      const result =
+        DashScopeOpenAICompatibleProvider.isDashScopeProvider(config);
+      expect(result).toBe(false);
+    });
+
+    it('should return false for bare aliyun-inc.com domain', () => {
+      const config = {
+        authType: AuthType.USE_OPENAI,
+        baseUrl: 'https://aliyun-inc.com/v1',
+      } as ContentGeneratorConfig;
+
+      const result =
+        DashScopeOpenAICompatibleProvider.isDashScopeProvider(config);
+      expect(result).toBe(false);
+    });
+
     it('should return false for non-DashScope configurations', () => {
       const configs = [
         {

packages/core/src/core/openaiContentGenerator/provider/dashscope.ts

@@ -29,6 +29,18 @@ export class DashScopeOpenAICompatibleProvider extends DefaultOpenAICompatiblePr
     super(contentGeneratorConfig, cliConfig);
   }
 
+  /**
+   * Determines whether to use the DashScope-compatible provider.
+   * Covers dashscope.aliyuncs.com, dashscope-intl.aliyuncs.com,
+   * internal Alibaba domains (*.alibaba-inc.com, *.aliyun-inc.com),
+   * and proxy matches.
+   *
+   * Note: any *.alibaba-inc.com / *.aliyun-inc.com host is treated as a
+   * DashScope-compatible endpoint by design. If a future internal service
+   * under these domains is not DashScope-compatible, narrow the match via
+   * a runtime provider property rather than re-introducing business-name
+   * subdomains here.
+   */
   static isDashScopeProvider(
     contentGeneratorConfig: ContentGeneratorConfig,
   ): boolean {
@@ -60,6 +72,13 @@ export class DashScopeOpenAICompatibleProvider extends DefaultOpenAICompatiblePr
         hostname.endsWith('.dashscope.aliyuncs.com') ||
         hostname.endsWith('.dashscope-intl.aliyuncs.com'));
 
+    // Internal Alibaba domains proxying to DashScope-compatible APIs.
+    // Covers *.alibaba-inc.com and *.aliyun-inc.com.
+    const isInternalOrigin =
+      hostname !== null &&
+      (hostname.endsWith('.alibaba-inc.com') ||
+        hostname.endsWith('.aliyun-inc.com'));
+
     // Check if proxy is configured and matches
     const normalizedProxyUrl = DASHSCOPE_PROXY_BASE_URL?.endsWith('/')
       ? DASHSCOPE_PROXY_BASE_URL.slice(0, -1)
@@ -70,13 +89,18 @@ export class DashScopeOpenAICompatibleProvider extends DefaultOpenAICompatiblePr
         normalizedBaseUrl.toLowerCase() === normalizedProxyUrl.toLowerCase(),
     );
 
-    if (normalizedProxyUrl && !isDashscopeOrigin && !isProxyMatch) {
+    if (
+      normalizedProxyUrl &&
+      !isDashscopeOrigin &&
+      !isInternalOrigin &&
+      !isProxyMatch
+    ) {
       debugLogger.debug(
         `DASHSCOPE_PROXY_BASE_URL is configured but the request baseUrl does not match. DashScope headers/cache control will be skipped.`,
       );
     }
 
-    return isDashscopeOrigin || isProxyMatch;
+    return isDashscopeOrigin || isInternalOrigin || isProxyMatch;
   }
 
   override buildHeaders(): Record<string, string | undefined> {