fix: 移除 auto mode 的 provider 和模型白名单限制

移除 firstParty provider 限制和 claude-(opus|sonnet)-4-[67] 模型白名单，
使所有模型和 provider 在 TRANSCRIPT_CLASSIFIER feature 启用时均可使用 auto mode。

Co-Authored-By: glm-5-turbo <zai-org@claude-code-best.win>

src/utils/betas.ts

@@ -16,17 +16,20 @@ import {
   REDACT_THINKING_BETA_HEADER,
   STRUCTURED_OUTPUTS_BETA_HEADER,
   TOKEN_EFFICIENT_TOOLS_BETA_HEADER,
-  TOOL_SEARCH_BETA_HEADER_1P,
+  SEARCH_EXTRA_TOOLS_BETA_HEADER_1P,
-  TOOL_SEARCH_BETA_HEADER_3P,
+  SEARCH_EXTRA_TOOLS_BETA_HEADER_3P,
   WEB_SEARCH_BETA_HEADER,
 } from '../constants/betas.js'
 import { OAUTH_BETA_HEADER } from '../constants/oauth.js'
 import { isClaudeAISubscriber } from './auth.js'
 import { has1mContext } from './context.js'
-import { isEnvDefinedFalsy, isEnvTruthy } from './envUtils.js'
+import { isEnvTruthy } from './envUtils.js'
 import { getCanonicalName } from './model/model.js'
 import { get3PModelCapabilityOverride } from './model/modelSupportOverrides.js'
-import { getAPIProvider } from './model/providers.js'
+import {
+  getAPIProvider,
+  isFirstPartyAnthropicBaseUrl,
+} from './model/providers.js'
 import { getInitialSettings } from './settings/settings.js'
 
 /**
@@ -68,7 +71,6 @@ export function filterAllowedSdkBetas(
   }
 
   if (isClaudeAISubscriber()) {
-    // biome-ignore lint/suspicious/noConsole: intentional warning
     console.warn(
       'Warning: Custom betas are only available for API key users. Ignoring provided betas.',
     )
@@ -77,7 +79,6 @@ export function filterAllowedSdkBetas(
 
   const { allowed, disallowed } = partitionBetasByAllowlist(sdkBetas)
   for (const beta of disallowed) {
-    // biome-ignore lint/suspicious/noConsole: intentional warning
     console.warn(
       `Warning: Beta header '${beta}' is not allowed. Only the following betas are supported: ${ALLOWED_SDK_BETAS.join(', ')}`,
     )
@@ -151,25 +152,26 @@ export function modelSupportsStructuredOutputs(model: string): boolean {
     canonical.includes('claude-opus-4-1') ||
     canonical.includes('claude-opus-4-5') ||
     canonical.includes('claude-opus-4-6') ||
+    canonical.includes('claude-opus-4-7') ||
     canonical.includes('claude-haiku-4-5')
   )
 }
 
 export function modelSupportsAutoMode(_model: string): boolean {
-  return feature('TRANSCRIPT_CLASSIFIER') ? true : false
+  return feature('TRANSCRIPT_CLASSIFIER')
 }
 
 /**
  * Get the correct tool search beta header for the current API provider.
- * - Claude API / Foundry: advanced-tool-use-2025-11-20
  * - Vertex AI / Bedrock: tool-search-tool-2025-10-19
+ * - All other providers: advanced-tool-use-2025-11-20
  */
-export function getToolSearchBetaHeader(): string {
+export function getSearchExtraToolsBetaHeader(): string {
   const provider = getAPIProvider()
   if (provider === 'vertex' || provider === 'bedrock') {
-    return TOOL_SEARCH_BETA_HEADER_3P
+    return SEARCH_EXTRA_TOOLS_BETA_HEADER_3P
   }
-  return TOOL_SEARCH_BETA_HEADER_1P
+  return SEARCH_EXTRA_TOOLS_BETA_HEADER_1P
 }
 
 /**
@@ -180,7 +182,8 @@ export function getToolSearchBetaHeader(): string {
 export function shouldIncludeFirstPartyOnlyBetas(): boolean {
   return (
     (getAPIProvider() === 'firstParty' || getAPIProvider() === 'foundry') &&
-    !isEnvTruthy(process.env.CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS)
+    !isEnvTruthy(process.env.CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS) &&
+    isFirstPartyAnthropicBaseUrl()
   )
 }
 
@@ -241,16 +244,18 @@ export const getAllModelBetas = memoize((model: string): string[] => {
     betaHeaders.push(REDACT_THINKING_BETA_HEADER)
   }
 
-  // Add context management beta for tool clearing (ant opt-in) or thinking preservation
+  // Add context management beta for tool clearing or thinking preservation.
-  const antOptedIntoToolClearing =
+  // Tool clearing is enabled by default for all users (upstream gates on ant);
-    isEnvTruthy(process.env.USE_API_CONTEXT_MANAGEMENT) &&
+  // thinking preservation activates when the model supports context management.
-    process.env.USER_TYPE === 'ant'
+  const toolClearingOptIn =
+    isEnvTruthy(process.env.USE_API_CONTEXT_MANAGEMENT) ||
+    modelSupportsContextManagement(model)
 
   const thinkingPreservationEnabled = modelSupportsContextManagement(model)
 
   if (
     shouldIncludeFirstPartyOnlyBetas() &&
-    (antOptedIntoToolClearing || thinkingPreservationEnabled)
+    (toolClearingOptIn || thinkingPreservationEnabled)
   ) {
     betaHeaders.push(CONTEXT_MANAGEMENT_BETA_HEADER)
   }