fix(acp): add authMethods in set_model response errors

packages/cli/src/acp-integration/authMethods.ts

@@ -0,0 +1,47 @@
+/**
+ * @license
+ * Copyright 2025 Qwen Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { AuthType } from '@qwen-code/qwen-code-core';
+import type { AuthMethod } from './schema.js';
+
+export function buildAuthMethods(): AuthMethod[] {
+  return [
+    {
+      id: AuthType.USE_OPENAI,
+      name: 'Use OpenAI API key',
+      description: 'Requires setting the `OPENAI_API_KEY` environment variable',
+      type: 'terminal',
+      args: ['--auth-type=openai'],
+    },
+    {
+      id: AuthType.QWEN_OAUTH,
+      name: 'Qwen OAuth',
+      description:
+        'OAuth authentication for Qwen models with free daily requests',
+      type: 'terminal',
+      args: ['--auth-type=qwen-oauth'],
+    },
+  ];
+}
+
+export function filterAuthMethodsById(
+  authMethods: AuthMethod[],
+  authMethodId: string,
+): AuthMethod[] {
+  return authMethods.filter((method) => method.id === authMethodId);
+}
+
+export function pickAuthMethodsForDetails(details?: string): AuthMethod[] {
+  const authMethods = buildAuthMethods();
+  if (!details) {
+    return authMethods;
+  }
+  if (details.includes('qwen-oauth') || details.includes('Qwen OAuth')) {
+    const narrowed = filterAuthMethodsById(authMethods, AuthType.QWEN_OAUTH);
+    return narrowed.length ? narrowed : authMethods;
+  }
+  return authMethods;
+}