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

server/src/entity/customer_visit.entity.ts

@@ -0,0 +1,49 @@
+import { Column, Model, Table, DataType, CreatedAt, ForeignKey, BelongsTo } from "sequelize-typescript";
+import Customer from "./customer.entity";
+
+@Table({
+	tableName: "customer_visit",
+	comment: "客户拜访信息表",
+	timestamps: true,
+	createdAt: "created_at",
+	updatedAt: false,
+	indexes: [
+		{ name: "idx_visit_customer", fields: ["customer_id"] },
+		{ name: "idx_visit_salesman", fields: ["salesman_id"] }
+	]
+})
+export default class CustomerVisit extends Model {
+	@Column({ type: DataType.BIGINT, autoIncrement: true, primaryKey: true })
+	id!: number;
+
+	@Column({ type: DataType.STRING(64), allowNull: false, unique: true, field: "visit_no", comment: "拜访单号(唯一)" })
+	visitNo!: string;
+
+	@ForeignKey(() => Customer)
+	@Column({ type: DataType.BIGINT, allowNull: false, field: "customer_id", comment: "客户ID" })
+	customerId!: number;
+
+	@Column({ type: DataType.STRING(64), allowNull: false, field: "visit_person", comment: "拜访人" })
+	visitPerson!: string;
+
+	@Column({ type: DataType.STRING(20), field: "visit_phone", comment: "拜访人电话" })
+	visitPhone!: string;
+
+	@Column({ type: DataType.TEXT, field: "visit_content", comment: "拜访内容" })
+	visitContent!: string;
+
+	@Column({ type: DataType.DATEONLY, field: "visit_time", comment: "拜访时间" })
+	visitTime!: string;
+
+	@Column({ type: DataType.BIGINT, field: "salesman_id", comment: "业务员(关联sys_user.id)" })
+	salesmanId!: number;
+
+	@Column({ type: DataType.SMALLINT, defaultValue: 0, field: "will_plan", comment: "是否做方案:0不同意 1同意" })
+	willPlan!: number;
+
+	@BelongsTo(() => Customer)
+	customer!: Customer;
+
+	@CreatedAt
+	created_at!: Date;
+}