收口原生分享桥接边界

将 Expo 分享目标状态收口到 share 模块

将 Tauri 分享目标与剪贴板 fallback 响应收口到 share 模块

同步两端分享结构门禁和共享记忆

apps/desktop-shell/scripts/check-config.mjs

@@ -1480,6 +1480,10 @@ for (const expectedShareSnippet of [
   'url.origin() != base_url.origin()',
   'DesktopSharePayload::Invalid',
   '"share target is invalid"',
+  'set_desktop_host_bridge_share_target',
+  'open_desktop_host_bridge_share',
+  'write_desktop_clipboard_text(app, &share_text)',
+  '"copied_to_clipboard"',
 ]) {
   if (!desktopHostBridgeShareSource.includes(expectedShareSnippet)) {
     throw new Error(
@@ -1488,6 +1492,18 @@ for (const expectedShareSnippet of [
   }
 }
 
+if (
+  !desktopHostBridgeDispatchSource.includes(
+    'set_desktop_host_bridge_share_target(&app, &request)',
+  ) ||
+  !desktopHostBridgeDispatchSource.includes('open_desktop_host_bridge_share(&app, &request)') ||
+  desktopHostBridgeDispatchSource.includes('DesktopShareState') ||
+  desktopHostBridgeDispatchSource.includes('share_text_from_request') ||
+  desktopHostBridgeDispatchSource.includes('"copied_to_clipboard"')
+) {
+  throw new Error('desktop shell share HostBridge methods must delegate to share module');
+}
+
 for (const [limitName, sharedLimit] of Object.entries(
   sharedHostBridgePayloadLimits,
 )) {