feat(annotation): 添加标注状态管理功能

- 引入 AnnotationResultStatus 枚举类型区分已标注和无标注状态
- 在前端组件中实现空标注检测和确认对话框逻辑
- 添加数据库表字段 annotation_status 存储标注状态
- 扩展后端服务验证和处理标注状态逻辑
- 更新 API 接口支持标注状态参数传递
- 改进任务列表显示逻辑以反映不同标注状态
- 实现分段模式下的标注结果检查机制

frontend/src/pages/DataAnnotation/annotation.model.ts

@@ -8,6 +8,11 @@ export enum AnnotationTaskStatus {
   SKIPPED = "skipped",
 }
 
+export enum AnnotationResultStatus {
+  ANNOTATED = "ANNOTATED",
+  NO_ANNOTATION = "NO_ANNOTATION",
+}
+
 export interface AnnotationTask {
   id: string;
   name: string;
@@ -52,7 +57,7 @@ export interface ObjectDefinition {
 export interface TemplateConfiguration {
   labels: LabelDefinition[];
   objects: ObjectDefinition[];
-  metadata?: Record<string, any>;
+  metadata?: Record<string, unknown>;
 }
 
 export interface AnnotationTemplate {