fix: 收窄创作入口关闭熔断范围

src/components/platform-entry/PlatformEntryFlowShellImpl.tsx

@@ -2150,6 +2150,19 @@ function normalizePlatformErrorMessage(message: string | null | undefined) {
   return normalized ? normalized : null;
 }
 
+/** 首页公开数据降级时，入口关闭错误不弹窗；真实创作动作仍由对应工作台提示。 */
+function isCreationEntryDisabledErrorMessage(
+  message: string | null | undefined,
+) {
+  const normalized = normalizePlatformErrorMessage(message);
+  return Boolean(
+    normalized &&
+      (normalized.includes('creation_entry_disabled') ||
+        normalized.includes('该玩法入口暂不可用') ||
+        normalized.includes('创作入口已关闭')),
+  );
+}
+
 function formatPlatformErrorSource(label: string, id?: string | null) {
   const normalizedId = id?.trim();
   return normalizedId ? `${label} ${normalizedId}` : label;
@@ -6747,6 +6760,11 @@ export function PlatformEntryFlowShellImpl({
     isMiniGameDraftGenerating(
       activePuzzleBackgroundCompileTask?.generationState ?? null,
     );
+  const platformBootstrapErrorForDisplay = isCreationEntryDisabledErrorMessage(
+    platformBootstrap.platformError,
+  )
+    ? null
+    : platformBootstrap.platformError;
   const [dismissedPlatformErrorDialogKey, setDismissedPlatformErrorDialogKey] =
     useState<string | null>(null);
   const [
@@ -6774,7 +6792,7 @@ export function PlatformEntryFlowShellImpl({
       {
         key: 'platform-bootstrap',
         source: '平台首页',
-        message: platformBootstrap.platformError,
+        message: platformBootstrapErrorForDisplay,
       },
       {
         key: 'rpg-creation-type',
@@ -6954,7 +6972,7 @@ export function PlatformEntryFlowShellImpl({
     match3dRun?.runId,
     match3dSession?.sessionId,
     pendingPlatformTaskFailureDialog,
-    platformBootstrap.platformError,
+    platformBootstrapErrorForDisplay,
     publicWorkDetailError,
     puzzleCreationError,
     puzzleError,
@@ -16352,7 +16370,7 @@ export function PlatformEntryFlowShellImpl({
               platformError={
                 platformBootstrap.isLoadingPlatform
                   ? null
-                  : (platformBootstrap.platformError ??
+                  : (platformBootstrapErrorForDisplay ??
                     sessionController.agentWorkspaceRestoreError)
               }
               dashboardError={