refactor(recommendation): 删除推荐记录相关模块，清理代码和数据结构

- 移除推荐记录管理后台控制器LeadReferralAdminController
- 删除小程序端推荐记录控制器LeadReferralController
- 删除推荐记录实体LeadReferral及相关实体ReferralSettlement、ReferrerInfo
- 删除对应的数据访问层Mapper接口
- 删除推荐记录查询参数类LeadReferralParam
- 删除推荐记录服务接口LeadReferralService及其实现LeadReferralServiceImpl
- 清理相关注解、导入及依赖，彻底移除推荐记录功能模块

.workbuddy/expert-history.json

@@ -0,0 +1,17 @@
+{
+  "version": 2,
+  "sessions": {
+    "8b8cdf8cb3404efeac18615f9f419cb1": [
+      {
+        "expertId": "SeniorDeveloper",
+        "name": "吴八哥",
+        "profession": "高级开发工程师",
+        "avatarUrl": "https://acc-1258344699.cos.accelerate.myqcloud.com/workbuddy/experts/avatars/02-Engineering/SeniorDeveloper/SeniorDeveloper.png",
+        "promptUrl": "https://acc-1258344699.cos.accelerate.myqcloud.com/workbuddy/experts/experts/02-Engineering/SeniorDeveloper/SeniorDeveloper_zh.md",
+        "usedAt": 1776323986694,
+        "industryId": "02-Engineering"
+      }
+    ]
+  },
+  "lastUpdated": 1776324781452
+}

src/main/resources/db/sql/app_lead_referral.sql

@@ -0,0 +1,81 @@
+-- ============================================================
+-- 推荐客户模块 SQL
+-- 包: app
+-- 创建时间: 2026-04-16
+-- ============================================================
+
+-- 1. 推荐记录表
+CREATE TABLE `app_lead_referral` (
+  `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '主键ID',
+  `referral_code` VARCHAR(32) DEFAULT NULL COMMENT '推荐码（推荐人分享给客户的码）',
+  `referrer_id` INT DEFAULT NULL COMMENT '推荐人用户ID（NULL=匿名推荐）',
+  `referrer_name` VARCHAR(64) DEFAULT NULL COMMENT '推荐人姓名',
+  `referrer_phone` VARCHAR(20) DEFAULT NULL COMMENT '推荐人手机号',
+
+  `customer_name` VARCHAR(64) NOT NULL COMMENT '客户姓名',
+  `customer_phone` VARCHAR(20) NOT NULL COMMENT '客户手机号',
+  `customer_company` VARCHAR(255) DEFAULT NULL COMMENT '客户公司名称',
+  `requirement` TEXT DEFAULT NULL COMMENT '客户需求描述',
+  `appointment_time` DATETIME DEFAULT NULL COMMENT '预约联系时间',
+  `remarks` VARCHAR(500) DEFAULT NULL COMMENT '推荐人备注',
+
+  `referral_fee` DECIMAL(10,2) DEFAULT '0.00' COMMENT '推荐费（元）',
+  `referral_status` TINYINT NOT NULL DEFAULT '0' COMMENT '推荐状态: 0=待确认, 1=有效, 2=无效/作废, 3=已结算',
+  `invalid_reason` VARCHAR(255) DEFAULT NULL COMMENT '作废原因',
+  `invalid_time` DATETIME DEFAULT NULL COMMENT '作废时间',
+  `confirmed_time` DATETIME DEFAULT NULL COMMENT '确认有效时间',
+  `settled_time` DATETIME DEFAULT NULL COMMENT '结算时间',
+
+  `tenant_id` INT DEFAULT NULL COMMENT '租户ID',
+  `create_by` INT DEFAULT NULL COMMENT '创建人ID',
+  `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` INT DEFAULT NULL COMMENT '更新人ID',
+  `update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `deleted` TINYINT NOT NULL DEFAULT '0' COMMENT '删除标记: 0=未删, 1=已删',
+  PRIMARY KEY (`id`),
+  KEY `idx_referrer_id` (`referrer_id`),
+  KEY `idx_customer_phone` (`customer_phone`),
+  KEY `idx_referral_status` (`referral_status`),
+  KEY `idx_create_time` (`create_time`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='推荐记录表';
+
+-- 2. 推荐人信息表
+CREATE TABLE `app_referrer_info` (
+  `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '主键ID',
+  `user_id` INT NOT NULL COMMENT '用户ID',
+  `referral_code` VARCHAR(32) NOT NULL COMMENT '推荐码（唯一）',
+  `total_referrals` INT NOT NULL DEFAULT '0' COMMENT '累计推荐人数',
+  `valid_referrals` INT NOT NULL DEFAULT '0' COMMENT '有效推荐数',
+  `settled_count` INT NOT NULL DEFAULT '0' COMMENT '已结算数',
+  `total_earned` DECIMAL(10,2) NOT NULL DEFAULT '0.00' COMMENT '累计获得推荐费（元）',
+  `pending_amount` DECIMAL(10,2) NOT NULL DEFAULT '0.00' COMMENT '待结算金额（元）',
+
+  `tenant_id` INT DEFAULT NULL COMMENT '租户ID',
+  `create_by` INT DEFAULT NULL COMMENT '创建人ID',
+  `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` INT DEFAULT NULL COMMENT '更新人ID',
+  `update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `deleted` TINYINT NOT NULL DEFAULT '0' COMMENT '删除标记: 0=未删, 1=已删',
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `uk_user_id` (`user_id`),
+  UNIQUE KEY `uk_referral_code` (`referral_code`),
+  KEY `idx_create_time` (`create_time`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='推荐人信息表';
+
+-- 3. 推荐费结算记录表
+CREATE TABLE `app_referral_settlement` (
+  `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '主键ID',
+  `referral_id` BIGINT NOT NULL COMMENT '关联推荐记录ID',
+  `referrer_id` INT NOT NULL COMMENT '推荐人用户ID',
+  `amount` DECIMAL(10,2) NOT NULL COMMENT '结算金额（元）',
+  `settlement_no` VARCHAR(32) DEFAULT NULL COMMENT '结算单号',
+  `remarks` VARCHAR(500) DEFAULT NULL COMMENT '结算备注',
+
+  `tenant_id` INT DEFAULT NULL COMMENT '租户ID',
+  `create_by` INT DEFAULT NULL COMMENT '结算操作人ID',
+  `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '结算时间',
+  `deleted` TINYINT NOT NULL DEFAULT '0' COMMENT '删除标记: 0=未删, 1=已删',
+  PRIMARY KEY (`id`),
+  KEY `idx_referral_id` (`referral_id`),
+  KEY `idx_referrer_id` (`referrer_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='推荐费结算记录表';