feat:更新主题色适配

lib/views/moment_form.dart

@@ -52,7 +52,11 @@ class _MomentFormPageState extends State<MomentFormPage> {
           provider.momentFormItem.content = value!;
         });
       },
-      decoration: buildInputDecoration(context: context, hintText: '请输入朋友圈内容'),
+      decoration: buildInputDecoration(
+        context: context,
+        hintText: '请输入朋友圈内容',
+        prefixIcon: Icons.article,
+      ),
       validator: (value) {
         if (value == null || value.isEmpty) {
           return '请输入朋友圈内容';
@@ -90,7 +94,10 @@ class _MomentFormPageState extends State<MomentFormPage> {
         }
         // 上传按钮（最后一个）
         else {
-          return buildImageUploadButton(onTap: () => _pickImages(provider));
+          return buildImageUploadButton(
+            context: context,
+            onTap: () => _pickImages(provider),
+          );
         }
       },
     );
@@ -104,19 +111,21 @@ class _MomentFormPageState extends State<MomentFormPage> {
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          buildFormLabel('朋友圈内容', required: true),
+          buildFormLabel(context: context, text: '朋友圈内容', isRequired: true),
           const SizedBox(height: 8),
           _buildContentField(provider),
           const SizedBox(height: 8),
 
-          buildFormLabel('上传图片', required: true),
+          buildFormLabel(context: context, text: '上传图片', isRequired: true),
           const SizedBox(height: 8),
           _buildImageField(provider),
           const SizedBox(height: 8),
-          
+
           buildFormButtonGroup(
             context: context,
+            isShowDelete: provider.isEditing,
             onConfirm: () => _submitForm(provider),
+            onDelete: () {},
           ),
         ],
       ),