feat: 交叉评查后端优化 — 评查地区、文档评查统计、currentScore、错误提示

- GetUserTasks: 新增 task_regions CTE，从任务成员 sso_users.area 去重收集 evaluationRegion
- GetTaskDocuments: 新增 es LATERAL 子查询聚合 leaudit_rule_results 的 pass_count/warning_count/error_count/score_percent；path/uploadTime 改为从 leaudit_document_files 获取；新增 fileExt
- ReviewPointResultVO: 新增 currentScore 字段
- _loadReviewPointResults: SQL 新增 approved_delta LATERAL 子查询，currentScore = base_score + SUM(approved_deltas)
- CrossReviewTaskItemVO: 新增 evaluationRegion
- CrossReviewTaskDocumentVO: 新增 18 个评查统计字段 + path/uploadTime/fileExt
- 文档更新：交叉评查核心模块业务逻辑文档补充评查地区、评查统计、版本号本地化等章节

fastapi_modules/fastapi_leaudit/domian/vo/reviewPointVo.py

@@ -31,6 +31,7 @@ class ReviewPointResultVO(BaseModel):
     score: float = Field(0, description="分值")
     finalScore: float | None = Field(None, description="最终得分")
     machineScore: float | None = Field(None, description="机器得分")
+    currentScore: float = Field(0, description="当前得分（含提案扣分/加分）")
     result: bool | None = Field(None, description="是否通过")
     failMessage: str = Field("", description="失败提示")
     passMessage: str = Field("", description="通过提示")