功能：新增收款码档案和收益补算功能

- 新增店员收款码档案管理（上传二维码和确认收款码）
- 提现请求新增收款码快照用于审计追踪
- 新增收益补算服务用于历史订单数据补录
- 新增收益补算日志表用于审计追踪
- 优化收益创建逻辑，根据解冻时间设置正确的初始状态
- 更新提现流程，要求店员确认收款码后才能提现
- 新增数据库迁移脚本 V7-V9

play-admin/src/main/resources/db/migration/V7__add_clerk_payee_profile.sql

@@ -0,0 +1,22 @@
+-- Clerk payee QR profile and withdrawal snapshot
+
+CREATE TABLE IF NOT EXISTS `play_clerk_payee_profile` (
+  `id` varchar(32) NOT NULL COMMENT 'UUID',
+  `tenant_id` varchar(32) NOT NULL COMMENT '租户ID',
+  `clerk_id` varchar(32) NOT NULL COMMENT '店员ID',
+  `channel` varchar(32) NOT NULL DEFAULT 'ALIPAY_QR' COMMENT '收款渠道（例如：ALIPAY_QR）',
+  `qr_code_url` varchar(512) NOT NULL COMMENT '收款二维码地址',
+  `display_name` varchar(64) DEFAULT NULL COMMENT '收款码显示名称',
+  `last_confirmed_at` datetime DEFAULT NULL COMMENT '最近确认时间',
+  `created_by` varchar(32) DEFAULT NULL,
+  `created_time` datetime DEFAULT CURRENT_TIMESTAMP,
+  `updated_by` varchar(32) DEFAULT NULL,
+  `updated_time` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  `deleted` tinyint(1) NOT NULL DEFAULT '0' COMMENT '逻辑删除 1已删除 0未删除',
+  `version` int NOT NULL DEFAULT '1' COMMENT '数据版本',
+  PRIMARY KEY (`id`) USING BTREE,
+  UNIQUE KEY `uk_clerk_payee` (`tenant_id`, `clerk_id`) USING BTREE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC COMMENT='店员提现收款码档案';
+
+ALTER TABLE `play_withdrawal_request`
+  ADD COLUMN `payee_snapshot` text COMMENT '提现时的收款码快照（JSON）';

play-admin/src/main/resources/db/migration/V8__populate_default_freeze_policy.sql

@@ -0,0 +1,23 @@
+-- Ensure each active tenant has a default freeze policy (7 days)
+
+INSERT INTO `play_freeze_policy` (`id`, `tenant_id`, `clerk_id`, `freeze_hours`, `created_by`, `created_time`, `updated_by`, `updated_time`, `deleted`, `version`)
+SELECT
+  REPLACE(UUID(), '-', ''),
+  t.`tenant_id`,
+  NULL,
+  168,
+  'migration_v8_default_freeze',
+  NOW(),
+  'migration_v8_default_freeze',
+  NOW(),
+  0,
+  1
+FROM `sys_tenant` t
+WHERE (t.`deleted` IS NULL OR t.`deleted` = 0)
+  AND NOT EXISTS (
+    SELECT 1
+    FROM `play_freeze_policy` p
+    WHERE p.`tenant_id` = t.`tenant_id`
+      AND p.`clerk_id` IS NULL
+      AND (p.`deleted` IS NULL OR p.`deleted` = 0)
+  );

play-admin/src/main/resources/db/migration/V9__create_earnings_backfill_log.sql

@@ -0,0 +1,27 @@
+-- Audit log for earnings backfill executions
+
+CREATE TABLE IF NOT EXISTS `play_earnings_backfill_log` (
+  `id` varchar(32) NOT NULL COMMENT 'UUID',
+  `tenant_id` varchar(32) NOT NULL COMMENT '租户ID',
+  `operator_id` varchar(32) DEFAULT NULL COMMENT '操作人ID',
+  `operator_name` varchar(64) DEFAULT NULL COMMENT '操作人名称',
+  `backfill_begin_time` datetime DEFAULT NULL COMMENT '查询起始时间',
+  `backfill_end_time` datetime DEFAULT NULL COMMENT '查询结束时间',
+  `clerk_ids` text COMMENT '指定店员ID集合(JSON)',
+  `dry_run` tinyint(1) NOT NULL DEFAULT '0' COMMENT '是否试运行',
+  `orders_checked` int NOT NULL DEFAULT '0' COMMENT '检查订单数',
+  `created_count` int NOT NULL DEFAULT '0' COMMENT '新增收益条目数',
+  `skipped_existing` int NOT NULL DEFAULT '0' COMMENT '跳过已存在收益条目数',
+  `warning_count` int NOT NULL DEFAULT '0' COMMENT '警告数量',
+  `warnings` text COMMENT '警告明细(JSON)',
+  `comment` varchar(255) DEFAULT NULL COMMENT '备注',
+  `created_time` datetime DEFAULT CURRENT_TIMESTAMP,
+  `created_by` varchar(32) DEFAULT NULL,
+  `updated_time` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  `updated_by` varchar(32) DEFAULT NULL,
+  `deleted` tinyint(1) NOT NULL DEFAULT '0' COMMENT '逻辑删除 1已删除 0未删除',
+  `version` int NOT NULL DEFAULT '1' COMMENT '数据版本',
+  PRIMARY KEY (`id`) USING BTREE,
+  KEY `idx_backfill_tenant_time` (`tenant_id`, `created_time`) USING BTREE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC COMMENT='收益补算执行记录';
+