fix repeat every month error

Author: matt-fidd

packages/loot-core/src/server/budget/template-notes.test.ts

@@ -324,6 +324,7 @@ describe('unparse/parse round-trip', () => {
     '#template 200 repeat every 2 months starting 2025-06-01',
     '#template 300 repeat every week starting 2025-01-07',
     '#template 400 repeat every year starting 2025-01-01 up to 50',
+    '#template 100 repeat every 1 months starting 2026-04-01',
     // by / spend
     '#template 500 by 2025-12',
     '#template 600 by 2025-11 repeat every month',

packages/loot-core/src/server/budget/template-notes.ts

@@ -300,12 +300,7 @@ function periodToString(p: {
   period: 'day' | 'week' | 'month' | 'year';
   amount: number;
 }): string {
-  const { period, amount } = p;
-  if (amount === 1) {
-    return period; // singular
-  }
-  // pluralize simple
-  return `${amount} ${period}s`;
+  return `${p.amount} ${p.period}s`;
 }
 
 function repeatToString(annual?: boolean, repeat?: number): string | null {