feat: 新增客户拜访、建筑、房间及项目全流程业务模块

本次提交新增了客户拜访、客户建筑、客户房间的完整业务模块，同时补充了项目勘察、项目方案、合同管理、项目验收、回访记录的全项目流程相关功能，包括：
1.  新增对应业务的实体类、DTO、控制器、服务层代码
2.  完善RBAC权限映射配置
3.  添加前端API、路由及页面菜单配置
4.  更新数据库种子数据补充菜单和权限绑定

client/src/api/customerBuilding.ts

@@ -0,0 +1,58 @@
+import request from '@/utils/request';
+
+export interface CustomerBuildingInfo {
+	id: number;
+	customerId: number;
+	buildingName: string;
+	basicInfo?: string;
+	purpose?: string;
+	floorCount?: number;
+	createdAt: string;
+}
+
+export interface CustomerBuildingQuery {
+	page?: number;
+	pageSize?: number;
+	keyword?: string;
+	customerId?: number;
+}
+
+export interface CustomerBuildingListResult {
+	list: CustomerBuildingInfo[];
+	total: number;
+	page: number;
+	pageSize: number;
+}
+
+export interface CustomerBuildingCreateParams {
+	customerId: number;
+	buildingName: string;
+	basicInfo?: string;
+	purpose?: string;
+	floorCount?: number;
+}
+
+export interface CustomerBuildingUpdateParams {
+	customerId?: number;
+	buildingName?: string;
+	basicInfo?: string;
+	purpose?: string;
+	floorCount?: number;
+}
+
+export const customerBuildingApi = {
+	getList: (params: CustomerBuildingQuery) =>
+		request.get<CustomerBuildingListResult>('/customer-buildings', { params }),
+
+	getDetail: (id: number) =>
+		request.get<CustomerBuildingInfo>(`/customer-buildings/${id}`),
+
+	create: (data: CustomerBuildingCreateParams) =>
+		request.post('/customer-buildings', data),
+
+	update: (id: number, data: CustomerBuildingUpdateParams) =>
+		request.put(`/customer-buildings/${id}`, data),
+
+	delete: (id: number) =>
+		request.delete(`/customer-buildings/${id}`),
+};