Refine order code and calendar cards

app/composables/useOrderCodePresentation.ts

@@ -0,0 +1,17 @@
+export function extractOrderCodeShort(code?: string | null) {
+  const normalized = String(code ?? '').trim();
+  if (!normalized) {
+    return '0000';
+  }
+
+  const digits = normalized.replace(/\D/g, '');
+  if (digits.length >= 4) {
+    return digits.slice(-4);
+  }
+
+  return normalized.slice(-4).toUpperCase().padStart(4, '0');
+}
+
+export function formatOrderCode(code?: string | null) {
+  return `#${extractOrderCodeShort(code)}`;
+}