cleanup

apps/backend/internal/shared/plans.go

@@ -0,0 +1,17 @@
+package shared
+
+import "strings"
+
+// NormalizePlanCode canonicalizes plan codes from various sources
+// (Paddle checkout, webhook payloads, database records) into stable
+// internal identifiers used across the billing and tenancy domains.
+func NormalizePlanCode(planCode string) string {
+	switch strings.TrimSpace(planCode) {
+	case "growth":
+		return "pro"
+	case "multi-location":
+		return "business"
+	default:
+		return strings.TrimSpace(planCode)
+	}
+}