feat(annotation): 扩展标注模板功能支持多模态数据类型

- 扩展数据类型支持包括pdf/chat/html/table等多种格式
- 新增标注类型涵盖asr/ner/object-detection等专业领域
- 添加label_config字段用于Label Studio XML配置存储
- 更新模板分类体系为audio-speech/chat/computer-vision/nlp等
- 实现预定义label_config优先使用的配置加载逻辑
- 完善数据库初始化脚本包含多模态标注模板数据

runtime/datamate-python/app/db/models/annotation_management.py

@@ -14,11 +14,12 @@ class AnnotationTemplate(Base):
     id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()), comment="UUID")
     name = Column(String(100), nullable=False, comment="模板名称")
     description = Column(String(500), nullable=True, comment="模板描述")
-    data_type = Column(String(50), nullable=False, comment="数据类型: image/text/audio/video/timeseries")
-    labeling_type = Column(String(50), nullable=False, comment="标注类型: classification/detection/segmentation/ner/relation/etc")
+    data_type = Column(String(50), nullable=False, comment="数据类型: image/text/audio/video/timeseries/pdf/chat/html/table")
+    labeling_type = Column(String(50), nullable=False, comment="标注类型: asr/ner/object-detection/等")
     configuration = Column(JSON, nullable=False, comment="标注配置（包含labels定义等）")
+    label_config = Column(Text, nullable=True, comment="Label Studio XML配置（内置模板预定义，自定义模板自动生成）")
     style = Column(String(32), nullable=False, comment="样式配置: horizontal/vertical")
-    category = Column(String(50), default='custom', comment="模板分类: medical/general/custom/system")
+    category = Column(String(50), default='custom', comment="模板分类: audio-speech/chat/computer-vision/nlp/等")
     built_in = Column(Boolean, default=False, comment="是否系统内置模板")
     version = Column(String(20), default='1.0', comment="模板版本")
     created_at = Column(TIMESTAMP, server_default=func.current_timestamp(), comment="创建时间")

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

@@ -345,7 +345,10 @@ class AnnotationTemplateService:
         config_dict = cast(Dict[str, Any], template.configuration)
         config = TemplateConfiguration(**config_dict)
 
-        # 动态生成Label Studio XML配置
+        # 优先使用预定义的 label_config，否则动态生成
+        if template.label_config:
+            label_config = template.label_config
+        else:
             label_config = self.generate_label_studio_config(config)
 
         # 使用model_validate从ORM对象创建响应对象