feat(protocol): add dedicated full-text legal protocol page with smooth scroll view and link from login and user center

pwuniapp/pages/auth/login.vue

@@ -249,20 +249,30 @@ const loginWithDemo = (acc) => {
 };
 
 const openUserAgreement = () => {
-  uni.showModal({
-    title: platformProtocol.value.userAgreementTitle || '用户服务协议',
-    content: platformProtocol.value.userAgreementContent,
-    showCancel: false,
-    confirmText: '我知道了'
+  uni.navigateTo({
+    url: '/pages/common/protocol?type=service',
+    fail: () => {
+      uni.showModal({
+        title: platformProtocol.value.userAgreementTitle || '用户服务协议',
+        content: platformProtocol.value.userAgreementContent,
+        showCancel: false,
+        confirmText: '我知道了'
+      });
+    }
   });
 };
 
 const openPrivacyAgreement = () => {
-  uni.showModal({
-    title: platformProtocol.value.privacyPolicyTitle || '隐私保护指引',
-    content: platformProtocol.value.privacyPolicyContent,
-    showCancel: false,
-    confirmText: '我知道了'
+  uni.navigateTo({
+    url: '/pages/common/protocol?type=privacy',
+    fail: () => {
+      uni.showModal({
+        title: platformProtocol.value.privacyPolicyTitle || '隐私保护指引',
+        content: platformProtocol.value.privacyPolicyContent,
+        showCancel: false,
+        confirmText: '我知道了'
+      });
+    }
   });
 };
 </script>