Fixed ledger date parsing

X-Lovable-Edit-ID: edt-f1cb902c-3a0e-4f4d-b857-f66da196ebba
Co-authored-by: renee-png <262607627+renee-png@users.noreply.github.com>

src/lib/format.ts

@@ -5,6 +5,20 @@ export function formatCurrency(amount: number | string | null | undefined) {
 
 export function formatDate(value: string | Date | null | undefined) {
   if (!value) return "—";
+  // Date-only strings ("YYYY-MM-DD") must be rendered in UTC, otherwise
+  // negative-offset timezones show the previous day.
+  if (typeof value === "string") {
+    const m = value.match(/^(\d{4})-(\d{2})-(\d{2})$/);
+    if (m) {
+      const d = new Date(Date.UTC(+m[1], +m[2] - 1, +m[3]));
+      return d.toLocaleDateString("en-US", {
+        year: "numeric",
+        month: "short",
+        day: "numeric",
+        timeZone: "UTC",
+      });
+    }
+  }
   const d = typeof value === "string" ? new Date(value) : value;
   return d.toLocaleDateString("en-US", { year: "numeric", month: "short", day: "numeric" });
 }