新功能: 还原 v1/public/user/invite_sales 接口 + promo schema 修复迁移

- 还原 /v1/public/user/invite_sales 接口及 /invite/sales 别名（与 invite_records 并存）
  逻辑/handler/types 与 197fed7d 删除前版本完全一致，按 fefbd4f5 新 routes 结构注册
- 新增迁移 02155_promo_schema_fix: 幂等修复 subscribe_promo / order 列类型与索引偏差
- 同步 etc/ppanel.yaml 数据库连接配置
- 补齐相关需求与设计文档

internal/handler/public/user/getInviteSalesHandler.go

@@ -0,0 +1,30 @@
+package user
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/perfect-panel/server/internal/logic/public/user"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/result"
+)
+
+// Get invite sales data
+func GetInviteSalesHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.GetInviteSalesRequest
+		if err := c.ShouldBind(&req); err != nil {
+			result.ParamErrorResult(c, err)
+			return
+		}
+
+		validateErr := svcCtx.Validate(&req)
+		if validateErr != nil {
+			result.ParamErrorResult(c, validateErr)
+			return
+		}
+
+		l := user.NewGetInviteSalesLogic(c.Request.Context(), svcCtx)
+		resp, err := l.GetInviteSales(&req)
+		result.HttpResult(c, resp, err)
+	}
+}

internal/handler/routes.go

@@ -2200,6 +2200,18 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 					Path:    "/invite_records",
 					Handler: publicuser.GetInviteRecordsHandler(serverCtx),
 				},
+				{
+					// Get Invite Sales
+					Method:  http.MethodGet,
+					Path:    "/invite_sales",
+					Handler: publicuser.GetInviteSalesHandler(serverCtx),
+				},
+				{
+					// Get Invite Sales (backward-compat alias)
+					Method:  http.MethodGet,
+					Path:    "/invite/sales",
+					Handler: publicuser.GetInviteSalesHandler(serverCtx),
+				},
 				{
 					// Get User Invite Stats
 					Method:  http.MethodGet,