feat: restore risk assessment workspace and improve page scrolling

backend/data_layer/__init__.py

@@ -0,0 +1,20 @@
+"""兴邦金租数据层模块
+
+提供统一的数据访问接口：
+- ERP 数据库连接（加密）
+- 历史评审案例向量库
+- 主审员画像库
+- 团队集体经验库
+"""
+
+from .erp_connector import ERPConnector
+from .history_store import HistoryStore
+from .reviewer_profile import ReviewerProfileStore
+from .team_experience import TeamExperienceStore
+
+__all__ = [
+    "ERPConnector",
+    "HistoryStore",
+    "ReviewerProfileStore",
+    "TeamExperienceStore",
+]