feat: tenant-scoped routing and portal navigation

backend/app/http/v1/helpers.go

@@ -0,0 +1,26 @@
+package v1
+
+import (
+	"quyun/v2/database/models"
+	"quyun/v2/pkg/consts"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func getUserID(ctx fiber.Ctx) int64 {
+	if u := ctx.Locals(consts.CtxKeyUser); u != nil {
+		if user, ok := u.(*models.User); ok {
+			return user.ID
+		}
+	}
+	return 0
+}
+
+func getTenantID(ctx fiber.Ctx) int64 {
+	if t := ctx.Locals(consts.CtxKeyTenant); t != nil {
+		if tenant, ok := t.(*models.Tenant); ok {
+			return tenant.ID
+		}
+	}
+	return 0
+}