fix: 修改客服，增加sdk使用；增加邀请链接短链，升级flutter到3.35.0，Dart 3.9.0

lib/app/modules/kr_chatwoot/views/kr_chatwoot_view.dart

@@ -1,52 +1,71 @@
 import 'package:flutter/material.dart';
-import 'package:get/get.dart';
-import 'package:flutter_inappwebview/flutter_inappwebview.dart';
-import 'package:kaer_with_panels/app/widgets/hi_base_scaffold.dart';
-import 'package:kaer_with_panels/app/widgets/kr_simple_loading.dart';
+import 'package:chatwoot_flutter_sdk/chatwoot_sdk.dart';
 import '../controllers/kr_chatwoot_controller.dart';
+import 'package:get/get.dart';
 
-/// 客服2（Chatwoot）视图页面
-class KRChatwootView extends GetView<KRChatwootController> {
+class KRChatwootView extends StatefulWidget {
   const KRChatwootView({super.key});
 
+  @override
+  State<KRChatwootView> createState() => _KRChatwootViewState();
+}
+
+class _KRChatwootViewState extends State<KRChatwootView> {
+  // 实例化控制器
+  final KRChatwootController _controller = KRChatwootController();
+
+  // 控制加载遮罩状态
+  bool _isPageLoading = true;
+
   @override
   Widget build(BuildContext context) {
-    return HIBaseScaffold(
-      showBack: true,
-      topContentAreaHeight: 0,
-      child: Stack(
-        children: [
-          InAppWebView(
-            initialUrlRequest: URLRequest(
-              url: WebUri(controller.kr_chatwootUrl),
+    return Scaffold(
+      // 设置背景色为白色，确保顶部 20px 区域不漏出底色
+      backgroundColor: Colors.white,
+      body: Padding(
+        // 在这里设置顶部 20px 的间距
+        padding: const EdgeInsets.only(top: 20.0),
+        child: Stack(
+          children: [
+            ChatwootWidget(
+              baseUrl: _controller.baseUrl,
+              websiteToken: _controller.inboxIdentifier,
+              user: _controller.chatUser,
+              locale: "zh_CN",
+              onAttachFile: _controller.onFilePicker,
+              onLoadStarted: () {
+                debugPrint("KRChatwoot: 开始加载 SDK");
+              },
+              closeWidget: () {
+                print('返回');
+                Get.back();
+              },
+              onLoadCompleted: () {
+                debugPrint("KRChatwoot: SDK 加载完毕");
+                if (mounted) {
+                  setState(() => _isPageLoading = false);
+                }
+              },
             ),
-            initialSettings: InAppWebViewSettings(
-              javaScriptEnabled: true,
-              domStorageEnabled: true,
-              allowsInlineMediaPlayback: true,
-            ),
-            onLoadStart: (controller, url) {
-              this.controller.kr_setLoading(true);
-            },
-            onLoadStop: (controller, url) {
-              this.controller.kr_setLoading(false);
-            },
-            onReceivedError: (controller, request, error) {
-              this.controller.kr_setLoading(false);
-            },
-          ),
-          Obx(() {
-            if (controller.kr_isLoading.value) {
-              return const Center(
-                child: KRSimpleLoading(
-                  size: 40,
+
+            // 加载中的占位图
+            if (_isPageLoading)
+              Container(
+                color: Colors.white,
+                child: const Center(
+                  child: Column(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      CircularProgressIndicator(strokeWidth: 2),
+                      const SizedBox(height: 16),
+                      Text("正在连接客服...", style: TextStyle(color: Colors.grey)),
+                    ],
+                  ),
                 ),
-              );
-            }
-            return const SizedBox.shrink();
-          }),
-        ],
+              ),
+          ],
+        ),
       ),
     );
   }
-}
+}