接入微信 Native 充值与订单过期处理

调整网页端充值渠道，微信内浏览器在开放平台接入前走 Native 支付。

拆分 Native 支付二维码弹窗，展示金额和充值内容并取消无效 code_url 跳转。

修复微信 Native 下单 time_expire 秒级 RFC3339 格式，避免小数秒参数错误。

新增充值订单 5 分钟过期调度，过期前查询微信真实订单状态。

补充微信授权绑定、路由加载恢复和后台表时间显示等配套逻辑。

更新 SpacetimeDB schema、绑定和相关文档测试。

src/routing/RouteImageReadyGate.test.ts

@@ -15,6 +15,7 @@ import { RouteLoadingScreen } from './RouteLoadingScreen';
 afterEach(() => {
   vi.useRealTimers();
   window.localStorage.clear();
+  window.sessionStorage.clear();
 });
 
 describe('RouteImageReadyGate image url helpers', () => {
@@ -87,6 +88,56 @@ describe('RouteImageReadyGate image url helpers', () => {
     expect(visibilityGate?.style.visibility).toBe('visible');
   });
 
+  it('does not show the full screen route loader again after the same route was revealed', () => {
+    vi.useFakeTimers();
+
+    const firstRender = render(
+      createElement(
+        RouteImageReadyGate,
+        {
+          eyebrow: 'Loading',
+          text: 'Please wait',
+        },
+        createElement(
+          'section',
+          {
+            'data-testid': 'route-content',
+          },
+          createElement('img', {
+            src: '/generated-characters/slow-cover.png',
+            alt: 'slow cover',
+          }),
+        ),
+      ),
+    );
+
+    expect(screen.getByText('Please wait')).toBeTruthy();
+
+    act(() => {
+      vi.advanceTimersByTime(1600);
+    });
+
+    expect(screen.queryByText('Please wait')).toBeNull();
+    firstRender.unmount();
+
+    render(
+      createElement(
+        RouteImageReadyGate,
+        {
+          eyebrow: 'Loading',
+          text: 'Please wait',
+        },
+        createElement('section', { 'data-testid': 'route-content' }, 'Ready'),
+      ),
+    );
+
+    const content = screen.getByTestId('route-content');
+    const visibilityGate = content.parentElement;
+    expect(visibilityGate?.getAttribute('aria-hidden')).toBe('false');
+    expect(visibilityGate?.style.visibility).toBe('visible');
+    expect(screen.queryByText('Please wait')).toBeNull();
+  });
+
   it('uses the saved platform theme tokens for the route loading screen', () => {
     window.localStorage.setItem(
       'tavernrealms.settings.v1',

src/routing/RouteImageReadyGate.tsx

@@ -17,10 +17,40 @@ const IMAGE_GATE_QUIET_MS = 140;
 const IMAGE_GATE_MIN_VISIBLE_WAIT_MS = 260;
 const IMAGE_GATE_MAX_BLOCK_MS = 1400;
 const IMAGE_PRELOAD_TIMEOUT_MS = 12000;
+const ROUTE_IMAGE_READY_SESSION_PREFIX = 'genarrative:route-image-ready:';
 
 const settledImageUrls = new Set<string>();
 const imagePreloadTasks = new Map<string, Promise<ImagePreloadResult>>();
 
+function getRouteImageReadySessionKey() {
+  if (typeof window === 'undefined') {
+    return ROUTE_IMAGE_READY_SESSION_PREFIX;
+  }
+  return `${ROUTE_IMAGE_READY_SESSION_PREFIX}${window.location.pathname}`;
+}
+
+function hasSeenRouteImageReady() {
+  if (typeof window === 'undefined') {
+    return false;
+  }
+  try {
+    return window.sessionStorage.getItem(getRouteImageReadySessionKey()) === '1';
+  } catch {
+    return false;
+  }
+}
+
+function markRouteImageReadySeen() {
+  if (typeof window === 'undefined') {
+    return;
+  }
+  try {
+    window.sessionStorage.setItem(getRouteImageReadySessionKey(), '1');
+  } catch {
+    // sessionStorage may be blocked in embedded browsers; the visual gate still works without it.
+  }
+}
+
 function preloadImageUrl(url: string) {
   const existingTask = imagePreloadTasks.get(url);
   if (existingTask) {
@@ -80,13 +110,18 @@ export function RouteImageReadyGate({
   const revealTimerRef = useRef<number | null>(null);
   const scanVersionRef = useRef(0);
   const revealedRef = useRef(false);
-  const [ready, setReady] = useState(false);
+  const [ready, setReady] = useState(() => hasSeenRouteImageReady());
 
   useEffect(() => {
     const root = rootRef.current;
     if (!root) {
       return;
     }
+    if (hasSeenRouteImageReady()) {
+      revealedRef.current = true;
+      setReady(true);
+      return;
+    }
 
     let disposed = false;
     startTimeRef.current = window.performance.now();
@@ -133,6 +168,7 @@ export function RouteImageReadyGate({
         }
 
         revealedRef.current = true;
+        markRouteImageReadySeen();
         setReady(true);
       }, delay);
     };