feat: 新增员工行为画像算法与费用风险标签体系

后端新增员工行为画像算法模块，支持标签规则引擎和评分计算，
完善员工模型、银行信息、序列化和导入逻辑，优化报销审批流
和工作流常量，增强 Hermes 同步和知识同步能力，前端新增费
用画像详情弹窗、雷达图和风险卡片组件，完善登录页和工作台
样式，优化文档中心和归档中心交互，补充单元测试。

server/src/app/api/v1/endpoints/employee_profiles.py

@@ -0,0 +1,39 @@
+from __future__ import annotations
+
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, Query
+from sqlalchemy.orm import Session
+
+from app.api.deps import CurrentUserContext, get_current_user, get_db
+from app.schemas.employee_profile import EmployeeProfileLatestRead
+from app.services.employee_behavior_profile_service import EmployeeBehaviorProfileService
+
+router = APIRouter(prefix="/employee-profiles")
+DbSession = Annotated[Session, Depends(get_db)]
+CurrentUser = Annotated[CurrentUserContext, Depends(get_current_user)]
+
+
+@router.get(
+    "/{employee_id}/latest",
+    response_model=EmployeeProfileLatestRead,
+    summary="读取员工最新业务行为画像",
+    description="返回员工在指定场景下的最新画像快照，审批场景默认只展示费用支出和流程质量画像。",
+)
+def get_employee_latest_profile(
+    employee_id: str,
+    db: DbSession,
+    current_user: CurrentUser,
+    scene: Annotated[str, Query(max_length=50)] = "approval",
+    claim_id: Annotated[str | None, Query(max_length=80)] = None,
+    window_days: Annotated[int, Query(ge=1, le=365)] = 90,
+    expense_type_scope: Annotated[str, Query(max_length=50)] = "overall",
+) -> EmployeeProfileLatestRead:
+    del current_user
+    return EmployeeBehaviorProfileService(db).get_latest_profile(
+        employee_id=employee_id,
+        scene=scene,
+        claim_id=claim_id,
+        window_days=window_days,
+        expense_type_scope=expense_type_scope,
+    )