R89 极简化登录与移动入口

client/src/lib/runtimeContext.ts

@@ -20,3 +20,19 @@ export function isWecomWebView(userAgent = readUserAgent()) {
 export function isEnterpriseMessengerContainer(userAgent = readUserAgent()) {
   return ENTERPRISE_IM_PATTERN.test(userAgent);
 }
+
+export function isTouchSmallScreen() {
+  if (!canUseWindow()) {
+    return false;
+  }
+
+  return window.navigator.maxTouchPoints > 0 && matchesMedia("(max-width: 768px)");
+}
+
+export function shouldPreferMobileWorkplace() {
+  return isEnterpriseMessengerContainer() || isTouchSmallScreen();
+}
+
+export function resolveDefaultWorkspacePath() {
+  return shouldPreferMobileWorkplace() ? "/mobile" : "/portal";
+}