feat(core,cli): add Anthropic provider, normalize auth/env config, and centralize logging

packages/cli/src/config/auth.ts

@@ -26,6 +26,20 @@ export function validateAuthMethod(authMethod: string): string | null {
     return null;
   }
 
+  if (authMethod === AuthType.USE_ANTHROPIC) {
+    const hasApiKey = process.env['ANTHROPIC_API_KEY'];
+    if (!hasApiKey) {
+      return 'ANTHROPIC_API_KEY environment variable not found.';
+    }
+
+    const hasBaseUrl = process.env['ANTHROPIC_BASE_URL'];
+    if (!hasBaseUrl) {
+      return 'ANTHROPIC_BASE_URL environment variable not found.';
+    }
+
+    return null;
+  }
+
   if (authMethod === AuthType.USE_GEMINI) {
     const hasApiKey = process.env['GEMINI_API_KEY'];
     if (!hasApiKey) {

packages/cli/src/config/config.test.ts

@@ -2114,7 +2114,14 @@ describe('loadCliConfig model selection', () => {
   });
 
   it('always prefers model from argvs', async () => {
-    process.argv = ['node', 'script.js', '--model', 'qwen3-coder-plus'];
+    process.argv = [
+      'node',
+      'script.js',
+      '--auth-type',
+      'openai',
+      '--model',
+      'qwen3-coder-plus',
+    ];
     const argv = await parseArguments({} as Settings);
     const config = await loadCliConfig(
       {
@@ -2134,7 +2141,14 @@ describe('loadCliConfig model selection', () => {
   });
 
   it('selects the model from argvs if provided', async () => {
-    process.argv = ['node', 'script.js', '--model', 'qwen3-coder-plus'];
+    process.argv = [
+      'node',
+      'script.js',
+      '--auth-type',
+      'openai',
+      '--model',
+      'qwen3-coder-plus',
+    ];
     const argv = await parseArguments({} as Settings);
     const config = await loadCliConfig(
       {

packages/cli/src/config/config.ts

@@ -468,6 +468,7 @@ export async function parseArguments(settings: Settings): Promise<CliArgs> {
           type: 'string',
           choices: [
             AuthType.USE_OPENAI,
+            AuthType.USE_ANTHROPIC,
             AuthType.QWEN_OAUTH,
             AuthType.USE_GEMINI,
             AuthType.USE_VERTEX_AI,
@@ -876,11 +877,30 @@ export async function loadCliConfig(
     );
   }
 
+  const selectedAuthType =
+    (argv.authType as AuthType | undefined) ||
+    settings.security?.auth?.selectedType;
+
+  const apiKey =
+    (selectedAuthType === AuthType.USE_OPENAI
+      ? argv.openaiApiKey ||
+        process.env['OPENAI_API_KEY'] ||
+        settings.security?.auth?.apiKey
+      : '') || '';
+  const baseUrl =
+    (selectedAuthType === AuthType.USE_OPENAI
+      ? argv.openaiBaseUrl ||
+        process.env['OPENAI_BASE_URL'] ||
+        settings.security?.auth?.baseUrl
+      : '') || '';
   const resolvedModel =
     argv.model ||
-    process.env['OPENAI_MODEL'] ||
-    process.env['QWEN_MODEL'] ||
-    settings.model?.name;
+    (selectedAuthType === AuthType.USE_OPENAI
+      ? process.env['OPENAI_MODEL'] ||
+        process.env['QWEN_MODEL'] ||
+        settings.model?.name
+      : '') ||
+    '';
 
   const sandboxConfig = await loadSandboxConfig(settings, argv);
   const screenReader =
@@ -967,23 +987,15 @@ export async function loadCliConfig(
     extensions: allExtensions,
     blockedMcpServers,
     noBrowser: !!process.env['NO_BROWSER'],
-    authType:
-      (argv.authType as AuthType | undefined) ||
-      settings.security?.auth?.selectedType,
+    authType: selectedAuthType,
     inputFormat,
     outputFormat,
     includePartialMessages,
     generationConfig: {
       ...(settings.model?.generationConfig || {}),
       model: resolvedModel,
-      apiKey:
-        argv.openaiApiKey ||
-        process.env['OPENAI_API_KEY'] ||
-        settings.security?.auth?.apiKey,
-      baseUrl:
-        argv.openaiBaseUrl ||
-        process.env['OPENAI_BASE_URL'] ||
-        settings.security?.auth?.baseUrl,
+      apiKey,
+      baseUrl,
       enableOpenAILogging:
         (typeof argv.openaiLogging === 'undefined'
           ? settings.model?.enableOpenAILogging

packages/cli/src/ui/auth/useAuth.ts

@@ -228,6 +228,7 @@ export const useAuthCommand = (
       ![
         AuthType.QWEN_OAUTH,
         AuthType.USE_OPENAI,
+        AuthType.USE_ANTHROPIC,
         AuthType.USE_GEMINI,
         AuthType.USE_VERTEX_AI,
       ].includes(defaultAuthType as AuthType)
@@ -240,6 +241,7 @@ export const useAuthCommand = (
             validValues: [
               AuthType.QWEN_OAUTH,
               AuthType.USE_OPENAI,
+              AuthType.USE_ANTHROPIC,
               AuthType.USE_GEMINI,
               AuthType.USE_VERTEX_AI,
             ].join(', '),

packages/cli/src/ui/models/availableModels.ts

@@ -60,6 +60,11 @@ export function getOpenAIAvailableModelFromEnv(): AvailableModel | null {
   return id ? { id, label: id } : null;
 }
 
+export function getAnthropicAvailableModelFromEnv(): AvailableModel | null {
+  const id = process.env['ANTHROPIC_MODEL']?.trim();
+  return id ? { id, label: id } : null;
+}
+
 export function getAvailableModelsForAuthType(
   authType: AuthType,
 ): AvailableModel[] {
@@ -70,6 +75,10 @@ export function getAvailableModelsForAuthType(
       const openAIModel = getOpenAIAvailableModelFromEnv();
       return openAIModel ? [openAIModel] : [];
     }
+    case AuthType.USE_ANTHROPIC: {
+      const anthropicModel = getAnthropicAvailableModelFromEnv();
+      return anthropicModel ? [anthropicModel] : [];
+    }
     default:
       // For other auth types, return empty array for now
       // This can be expanded later according to the design doc

packages/cli/src/ui/utils/resumeHistoryUtils.test.ts

@@ -20,6 +20,11 @@ const makeConfig = (tools: Record<string, AnyDeclarativeTool>) =>
     getToolRegistry: () => ({
       getTool: (name: string) => tools[name],
     }),
+    getContentGenerator: () => ({
+      // Default to showing full thinking content during resume unless explicitly
+      // summarized; tests don't care about summarized thinking behavior.
+      useSummarizedThinking: () => false,
+    }),
   }) as unknown as Config;
 
 describe('resumeHistoryUtils', () => {

packages/cli/src/ui/utils/resumeHistoryUtils.ts

@@ -204,7 +204,11 @@ function convertToHistoryItems(
         const parts = record.message?.parts as Part[] | undefined;
 
         // Extract thought content
-        const thoughtText = extractThoughtTextFromParts(parts);
+        const thoughtText = !config
+          .getContentGenerator()
+          .useSummarizedThinking()
+          ? extractThoughtTextFromParts(parts)
+          : '';
 
         // Extract text content (non-function-call, non-thought)
         const text = extractTextFromParts(parts);

packages/cli/src/utils/systemInfo.ts

@@ -153,7 +153,8 @@ export async function getExtendedSystemInfo(
 
   // Get base URL if using OpenAI auth
   const baseUrl =
-    baseInfo.selectedAuthType === AuthType.USE_OPENAI
+    baseInfo.selectedAuthType === AuthType.USE_OPENAI ||
+    baseInfo.selectedAuthType === AuthType.USE_ANTHROPIC
       ? context.services.config?.getContentGeneratorConfig()?.baseUrl
       : undefined;
 

packages/cli/src/validateNonInterActiveAuth.test.ts

@@ -19,6 +19,9 @@ describe('validateNonInterActiveAuth', () => {
   let originalEnvVertexAi: string | undefined;
   let originalEnvGcp: string | undefined;
   let originalEnvOpenAiApiKey: string | undefined;
+  let originalEnvQwenOauth: string | undefined;
+  let originalEnvGoogleApiKey: string | undefined;
+  let originalEnvAnthropicApiKey: string | undefined;
   let consoleErrorSpy: ReturnType<typeof vi.spyOn>;
   let processExitSpy: ReturnType<typeof vi.spyOn<[code?: number], never>>;
   let refreshAuthMock: ReturnType<typeof vi.fn>;
@@ -29,10 +32,16 @@ describe('validateNonInterActiveAuth', () => {
     originalEnvVertexAi = process.env['GOOGLE_GENAI_USE_VERTEXAI'];
     originalEnvGcp = process.env['GOOGLE_GENAI_USE_GCA'];
     originalEnvOpenAiApiKey = process.env['OPENAI_API_KEY'];
+    originalEnvQwenOauth = process.env['QWEN_OAUTH'];
+    originalEnvGoogleApiKey = process.env['GOOGLE_API_KEY'];
+    originalEnvAnthropicApiKey = process.env['ANTHROPIC_API_KEY'];
     delete process.env['GEMINI_API_KEY'];
     delete process.env['GOOGLE_GENAI_USE_VERTEXAI'];
     delete process.env['GOOGLE_GENAI_USE_GCA'];
     delete process.env['OPENAI_API_KEY'];
+    delete process.env['QWEN_OAUTH'];
+    delete process.env['GOOGLE_API_KEY'];
+    delete process.env['ANTHROPIC_API_KEY'];
     consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
     processExitSpy = vi.spyOn(process, 'exit').mockImplementation((code) => {
       throw new Error(`process.exit(${code}) called`);
@@ -80,6 +89,21 @@ describe('validateNonInterActiveAuth', () => {
     } else {
       delete process.env['OPENAI_API_KEY'];
     }
+    if (originalEnvQwenOauth !== undefined) {
+      process.env['QWEN_OAUTH'] = originalEnvQwenOauth;
+    } else {
+      delete process.env['QWEN_OAUTH'];
+    }
+    if (originalEnvGoogleApiKey !== undefined) {
+      process.env['GOOGLE_API_KEY'] = originalEnvGoogleApiKey;
+    } else {
+      delete process.env['GOOGLE_API_KEY'];
+    }
+    if (originalEnvAnthropicApiKey !== undefined) {
+      process.env['ANTHROPIC_API_KEY'] = originalEnvAnthropicApiKey;
+    } else {
+      delete process.env['ANTHROPIC_API_KEY'];
+    }
     vi.restoreAllMocks();
   });
 

packages/cli/src/validateNonInterActiveAuth.ts

@@ -27,6 +27,9 @@ function getAuthTypeFromEnv(): AuthType | undefined {
   if (process.env['GOOGLE_API_KEY']) {
     return AuthType.USE_VERTEX_AI;
   }
+  if (process.env['ANTHROPIC_API_KEY']) {
+    return AuthType.USE_ANTHROPIC;
+  }
 
   return undefined;
 }