修复兼容钱包总额展示

向个人中心和图片画板传递 owner 匹配的 legacy 总额

保持钱包分桶与账单明细为空避免伪造数据

补充个人中心和图片画板回归测试及契约文档

src/components/platform-entry/PlatformEntryActiveFlowShell.tsx

@@ -287,6 +287,9 @@ export function PlatformEntryFlowShellImpl({
     requestLogin: () => authUi?.openLoginModal(),
     currentUser: authUi?.user,
   });
+  const legacyWalletBalance = walletOwnerMatchesCurrentUser
+    ? (profileCenter.rechargeCenter?.walletBalance ?? null)
+    : null;
 
   const openCreation = useCallback(() => {
     if (!isDesktopLayout) {
@@ -362,6 +365,7 @@ export function PlatformEntryFlowShellImpl({
       <div className="image-editor-stage-shell flex h-full min-h-0 min-w-0 flex-col overflow-hidden">
         <Suspense fallback={<LoadingPanel label="正在加载编辑器..." />}>
           <ImageCanvasEditorView
+            legacyWalletBalance={legacyWalletBalance}
             onProjectAccessLost={replaceWithProjectGallery}
           />
         </Suspense>
@@ -370,9 +374,6 @@ export function PlatformEntryFlowShellImpl({
   }
 
   const isAuthenticated = Boolean(authUi?.user);
-  const legacyWalletBalance = walletOwnerMatchesCurrentUser
-    ? (profileCenter.rechargeCenter?.walletBalance ?? null)
-    : null;
   const balance = mudPointBalance?.totalPoints ?? legacyWalletBalance;
   const isCreationStage =
     !isProfileStage &&
@@ -543,6 +544,7 @@ export function PlatformEntryFlowShellImpl({
                     dashboard={dashboard}
                     isLoadingDashboard={isLoadingDashboard}
                     isLoadingWalletBalance={mudPointBalanceStatus === 'loading'}
+                    legacyWalletBalance={legacyWalletBalance}
                     mudPointBalance={mudPointBalance}
                     user={authUi?.user}
                     onLogin={() => authUi?.openLoginModal()}