添加askai继续提问

lib/modules/meeting/views/ai_bottom_sheet.dart

@@ -22,7 +22,7 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
   final _deapsoundAI = DeapsoundAIService();
   StreamSubscription? _aiResponseSubscription;
 
-  final TextEditingController _texController = TextEditingController();
+  final TextEditingController _textController = TextEditingController();
 
   String _allText = '';
 
@@ -33,6 +33,8 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
     '提取结论',
     '生成关键指标',
   ];
+  final StringBuffer _buffer = StringBuffer();
+  bool _isAdd = true;
 
   bool _isLoading = false;
 
@@ -53,7 +55,7 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
 
   @override
   void dispose() {
-    _texController.dispose();
+    _textController.dispose();
     _scrollController.dispose();
     _aiResponseSubscription?.cancel();
     super.dispose();
@@ -112,7 +114,7 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
                       reverse: true,
                       itemBuilder: (BuildContext context, int index) {
                         Map data = _dataList[index];
-                        return _item(data);
+                        return _item(index, data);
                       },
                     ),
                   )
@@ -124,7 +126,12 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
     );
   }
 
-  Widget _item(Map data) {
+  Widget _item(int index, Map data) {
+    List list = [];
+    if (index == 0 && data['cruxtext'].isNotEmpty) {
+      list = data['cruxtext'].split(RegExp(r'[？?]'));
+      list = list.where((element) => element.isNotEmpty).toList();
+    }
     return Column(
       children: [
         Container(
@@ -152,6 +159,51 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
               data: data['assistant'],
             ),
           ),
+        if (list.isNotEmpty)
+          Padding(
+            padding: EdgeInsets.symmetric(vertical: 10.w),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Padding(
+                  padding: EdgeInsets.only(bottom: 5.w),
+                  child: Text(
+                    '继续提问',
+                    style: TextStyle(
+                      color: Colors.grey,
+                      fontSize: 13.sp,
+                      fontWeight: FontWeight.bold,
+                    ),
+                  ),
+                ),
+                ...List.generate(
+                  list.length,
+                  (int idx) => GestureDetector(
+                    onTap: () {
+                      _sendMessage('${list[idx]}?');
+                    },
+                    child: Container(
+                      width: double.infinity,
+                      padding:
+                          EdgeInsets.symmetric(horizontal: 15.w, vertical: 8.w),
+                      margin: EdgeInsets.symmetric(vertical: 5.w),
+                      decoration: BoxDecoration(
+                        color: Colors.grey[100],
+                        borderRadius: BorderRadius.circular(12.r),
+                        border: Border.all(
+                          color: Colors.grey[300]!,
+                        ),
+                      ),
+                      child: Text(
+                        '${list[idx]}?',
+                        style: TextStyle(fontSize: 14.sp),
+                      ),
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ),
       ],
     );
   }
@@ -239,7 +291,7 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
           5.horizontalSpace,
           Expanded(
             child: TextField(
-              controller: _texController,
+              controller: _textController,
               style: TextStyle(
                 fontSize: 16.sp,
                 color: Colors.black87,
@@ -265,7 +317,7 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
           10.horizontalSpace,
           GestureDetector(
             onTap: () {
-              _sendMessage(_texController.text);
+              _sendMessage(_textController.text);
             },
             child: Container(
               width: 26.w,
@@ -288,12 +340,15 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
 
   void _sendMessage(String value) {
     if (_isLoading || value.isEmpty) return;
-    _texController.clear();
+    _buffer.clear();
+    _isAdd = true;
+    _textController.clear();
     setState(() {
       _isLoading = true;
       _dataList.insert(0, {
         'user': value,
         'assistant': '',
+        'cruxtext': '',
       });
     });
     if (_dataList.length > 1) {
@@ -307,11 +362,27 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
     );
     _aiResponseSubscription = responseStream.listen(
       (chunk) {
-        setState(() {
+        _buffer.write(chunk);
-          _dataList.first['assistant'] += chunk;
+        final text = _buffer.toString();
-        });
+        Map item = _dataList.first;
+        if (_isAdd) {
+          final index = text.indexOf('@continue_asking@');
+          if (index != -1) {
+            item['assistant'] = text.substring(0, index);
+            _isAdd = false;
+          } else {
+            item['assistant'] = text;
+          }
+          setState(() {});
+        }
       },
       onDone: () {
+        final text = _buffer.toString();
+        final index = text.indexOf('@continue_asking@');
+        if (index != -1) {
+          _dataList.first['cruxtext'] =
+              text.substring(index + '@continue_asking@'.length).trim();
+        }
         setState(() {
           _isLoading = false;
         });
@@ -325,6 +396,11 @@ class _AIBottomSheetState extends State<AIBottomSheet> {
         'role': 'system',
         'content': '你只能根据这段对话记录回答问题，禁止引入外部知识。对话内容：$_allText',
       },
+      {
+        'role': 'system',
+        'content':
+            '请基于对话上下文生成内容。在回复末尾，添加2-4个简短的、旨在继续对话的问题，并放入@continue_asking@后面。',
+      },
     ];
     for (int i = _dataList.length - 1; i >= 0; i--) {
       messages.add({'role': 'user', 'content': _dataList[i]['user']});