feat(annotation): 添加分段标注统计和进度跟踪功能

- 新增 SegmentStats 类型定义用于分段统计
- 实现分段标注进度计算和缓存机制
- 添加标注任务状态判断逻辑支持分段模式
- 集成分段统计数据显示到任务列表界面
- 实现分段总数自动计算和验证功能
- 扩展标注状态枚举支持进行中标注状态
- 优化任务选择逻辑基于分段完成状态
- 添加分段统计数据预加载和同步机制

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

@@ -9,10 +9,17 @@ from app.db.session import Base
 ANNOTATION_STATUS_ANNOTATED = "ANNOTATED"
 ANNOTATION_STATUS_NO_ANNOTATION = "NO_ANNOTATION"
 ANNOTATION_STATUS_NOT_APPLICABLE = "NOT_APPLICABLE"
+ANNOTATION_STATUS_IN_PROGRESS = "IN_PROGRESS"
 ANNOTATION_STATUS_VALUES = {
     ANNOTATION_STATUS_ANNOTATED,
     ANNOTATION_STATUS_NO_ANNOTATION,
     ANNOTATION_STATUS_NOT_APPLICABLE,
+    ANNOTATION_STATUS_IN_PROGRESS,
+}
+ANNOTATION_STATUS_CLIENT_VALUES = {
+    ANNOTATION_STATUS_ANNOTATED,
+    ANNOTATION_STATUS_NO_ANNOTATION,
+    ANNOTATION_STATUS_NOT_APPLICABLE,
 }
 
 class AnnotationTemplate(Base):
@@ -101,7 +108,7 @@ class AnnotationResult(Base):
         String(32),
         nullable=False,
         default=ANNOTATION_STATUS_ANNOTATED,
-        comment="标注状态: ANNOTATED/NO_ANNOTATION/NOT_APPLICABLE",
+        comment="标注状态: ANNOTATED/NO_ANNOTATION/NOT_APPLICABLE/IN_PROGRESS",
     )
     created_at = Column(TIMESTAMP, server_default=func.current_timestamp(), comment="创建时间")
     updated_at = Column(TIMESTAMP, server_default=func.current_timestamp(), onupdate=func.current_timestamp(), comment="更新时间")