Refine loan tab filtering and date formats

server/routes/budget.js

@@ -240,9 +240,15 @@ function cents(value) {
 
 function loanSummaryRow(loan) {
   const payments = db.get().prepare(`
-    SELECT p.*, u.display_name AS creator_name
+    SELECT p.*, u.display_name AS creator_name,
+           b.title AS entry_title,
+           b.category AS entry_category,
+           b.subcategory AS entry_subcategory,
+           b.is_recurring AS entry_is_recurring,
+           b.recurrence_parent_id AS entry_recurrence_parent_id
     FROM budget_loan_payments p
     LEFT JOIN users u ON u.id = p.created_by
+    LEFT JOIN budget_entries b ON b.id = p.budget_entry_id
     WHERE p.loan_id = ?
     ORDER BY p.installment_number ASC
   `).all(loan.id);

server/routes/preferences.js

@@ -20,7 +20,7 @@ const VALID_CURRENCIES = ['AED', 'AUD', 'BRL', 'CAD', 'CHF', 'CNY', 'CZK', 'DKK'
 const DEFAULT_CURRENCY = 'EUR';
 const DEFAULT_APP_NAME = 'Oikos';
 
-const VALID_DATE_FORMATS = ['mdy', 'dmy', 'ymd'];
+const VALID_DATE_FORMATS = ['mdy', 'dmy', 'ymd', 'mdy_dot', 'dmy_dot', 'ymd_dot', 'ymd_slash'];
 const DEFAULT_DATE_FORMAT = 'mdy';
 const VALID_TIME_FORMATS = ['24h', '12h'];
 const DEFAULT_TIME_FORMAT = '24h';