feat(annotation): 优化标注模板生成和配置验证

- 添加文本对象类型集合用于模板类型判断
- 将XML生成部分拆分为对象和控件两个独立部分
- 为文本类模板添加响应式布局支持长文本标注
- 修复配置验证器中对象和控件查找逻辑
- 优化标签控件在长文本场景下的显示位置

runtime/datamate-python/app/module/annotation/service/template.py

@@ -36,7 +36,7 @@ class AnnotationTemplateService:
         """
         tag_config = LabelStudioTagConfig()
         control_types = tag_config.get_control_types()
-        xml_parts = ['<View>']
+        text_object_types = {"Text", "Paragraphs", "ParagraphLabels", "HyperText", "Markdown"}
         
         def normalize_control_type(raw: Optional[str]) -> str:
             if not raw:
@@ -49,15 +49,19 @@ class AnnotationTemplateService:
                     return ct
             return raw
 
+        is_text_template = any((obj.type in text_object_types) for obj in config.objects)
+
         # 生成对象定义
+        object_parts: List[str] = []
         for obj in config.objects:
             obj_attrs = [
                 f'name="{obj.name}"',
                 f'value="{obj.value}"'
             ]
-            xml_parts.append(f'  <{obj.type} {" ".join(obj_attrs)}/>')
+            object_parts.append(f'  <{obj.type} {" ".join(obj_attrs)}/>')
         
         # 生成标签定义
+        control_parts: List[str] = []
         for label in config.labels:
             label_attrs = [f'name="{label.from_name}"', f'toName="{label.to_name}"']
             
@@ -74,7 +78,7 @@ class AnnotationTemplateService:
             # 检查是否需要子元素
             if label.options or label.labels:
                 choices = label.options or label.labels or []
-                xml_parts.append(f'  <{tag_type} {" ".join(label_attrs)}>')
+                control_parts.append(f'  <{tag_type} {" ".join(label_attrs)}>')
                 
                 # 从配置获取子元素标签名
                 child_tag = tag_config.get_child_tag(tag_type)
@@ -83,12 +87,29 @@ class AnnotationTemplateService:
                     child_tag = "Label"
                 
                 for choice in choices:
-                    xml_parts.append(f'    <{child_tag} value="{choice}"/>')
-                xml_parts.append(f'  </{tag_type}>')
+                    control_parts.append(f'    <{child_tag} value="{choice}"/>')
+                control_parts.append(f'  </{tag_type}>')
             else:
                 # 处理简单标签类型（不需要子元素）
-                xml_parts.append(f'  <{tag_type} {" ".join(label_attrs)}/>')
+                control_parts.append(f'  <{tag_type} {" ".join(label_attrs)}/>')
         
+        if is_text_template:
+            # 长文本优化：将标签控件固定在右侧（sticky），避免需要滚动到页面底部才能看到控件
+            xml_parts = [
+                '<View style="display: flex; flex-direction: row; align-items: flex-start; gap: 12px;">',
+                '  <View style="flex: 1; min-width: 0;">',
+                *object_parts,
+                '  </View>',
+                '  <View style="width: 320px; position: sticky; top: 0; align-self: flex-start; max-height: 90vh; overflow: auto; background: #fff; padding: 12px; border: 1px solid #f0f0f0; border-radius: 6px;">',
+                *control_parts,
+                '  </View>',
+                '</View>',
+            ]
+            return '\n'.join(xml_parts)
+
+        xml_parts = ['<View>']
+        xml_parts.extend(object_parts)
+        xml_parts.extend(control_parts)
         xml_parts.append('</View>')
         return '\n'.join(xml_parts)