fix: rename the henza brand to montzar

اپ: اصلاح نام برند به منتزر

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/scripts/legacy-import/index.ts

@@ -1,5 +1,5 @@
 /**
- * henza (MySQL `oapi`) → gold-bank (PostgreSQL) data import.
+ * Legacy system (MySQL `oapi`) → montzar (PostgreSQL) data import.
  *
  * The rules live in docs/DATA-MIGRATION-MAP.md; every step cites its section.
  *
@@ -8,7 +8,7 @@
  *   npx ts-node --transpile-only scripts/legacy-import/index.ts \
  *     --source  "mysql://user:pass@127.0.0.1:3307/oapi" \
  *     --target  "postgresql://user:pass@localhost:5432/goldbank_import_test" \
- *     [--images "F:/henza/storage" --upload-dir "./storage/uploads"] \
+ *     [--images "F:/legacy/storage" --upload-dir "./storage/uploads"] \
  *     [--only customers,ledger] [--report ./legacy-import-report.md] --yes
  *
  * Safety: