06/05 Optimize app

app/services/bank_import_service.py

@@ -436,6 +436,11 @@ def _build_cat_id_map():
     return {c.name: c.id for c in Category.query.filter_by(is_active=True).all()}
 
 
+def build_category_map():
+    """Public alias — shared by teller, plaid, and schwab services."""
+    return _build_cat_id_map()
+
+
 # ── Enrichment ────────────────────────────────────────────────────────────────
 
 def _enrich(raw_rows):