重构充值订单模块：用 tb_recharge_order + tb_payment 替换 tb_asset_recharge_record

- 新增 RechargeOrder 和 Payment 模型及对应 Store
- 新增 ClientRechargeOrderHandler 提供充值订单列表/详情接口
- 修改 client_wallet.go 使用新表读写充值数据
- 修改 callback/payment.go 将 CRCH 订单路由到 rechargeOrderService
- 修改 client_order/service.go 的强充流程使用新表
- 修改 auto_purchase.go 从 tb_recharge_order 读取 linked_package_ids
- 修改 order/service.go 的 WalletPay 使用 tb_payment 记录
- 修改 wechat_config_store.go 从 tb_recharge_order 统计待支付充值数
- 移除 AssetRechargeStore 和 AssetRechargeRecord 的注册引用
- 修复文档生成器缺失 ClientRechargeOrder handler
- 状态枚举改为 0-based: Pending=0, Paid=1, Closed=2, Refunded=3

migrations/000118_create_tb_payment.up.sql

@@ -0,0 +1,23 @@
+-- 创建支付记录表 tb_payment
+-- 统一承接所有支付凭证（微信/支付宝/钱包）
+CREATE TABLE tb_payment (
+    id                   BIGSERIAL PRIMARY KEY,
+    payment_no           VARCHAR(40)  NOT NULL UNIQUE,    -- 保持 CRCH/PAY 前缀兼容
+    order_id             BIGINT       NOT NULL,
+    order_type           VARCHAR(30)  NOT NULL,           -- 'package_order' | 'recharge_order'
+    payment_method       VARCHAR(20)  NOT NULL,           -- wallet | wechat | alipay | offline
+    amount               BIGINT       NOT NULL,           -- 分
+    status               SMALLINT     NOT NULL DEFAULT 1, -- 1待支付 2已支付 3已失败 4已退款
+    third_party_trade_no VARCHAR(100),
+    payment_config_id    BIGINT,
+    payment_voucher_key  VARCHAR(500),
+    paid_at              TIMESTAMPTZ,
+    created_at           TIMESTAMPTZ  NOT NULL DEFAULT NOW(),
+    updated_at           TIMESTAMPTZ  NOT NULL DEFAULT NOW(),
+    deleted_at           TIMESTAMPTZ
+);
+
+-- 索引
+CREATE INDEX idx_payment_order    ON tb_payment(order_id, order_type);
+CREATE INDEX idx_payment_no       ON tb_payment(payment_no) WHERE deleted_at IS NULL;
+CREATE INDEX idx_payment_status   ON tb_payment(status) WHERE deleted_at IS NULL;