Add FunZone sync for sales and purchases, voucher filters, and event-name support.

Manual sync buttons pull customer payments and owner payouts into treasury, invoices, and accounting vouchers; voucher page gains category, date, status, and search filters; supplier vouchers dedupe against treasury-backed entries.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/utils/eventName.ts

@@ -0,0 +1,22 @@
+/** Human-readable label for a FunZone event name (wallet → کیف پول). */
+export function formatEventName(eventName: string | null | undefined): string {
+  if (!eventName?.trim()) return '—'
+  return eventName.toLowerCase() === 'wallet' ? 'کیف پول' : eventName.trim()
+}
+
+/** Raw event name stored on records (wallet stays as wallet). */
+export function normalizeEventName(value: string): string {
+  const trimmed = value.trim()
+  if (!trimmed) return ''
+  if (trimmed === 'کیف پول') return 'wallet'
+  return trimmed
+}
+
+/** Parses event name from a FunZone treasury import description block. */
+export function eventNameFromTreasuryDescription(description: string): string | undefined {
+  const line = description.split('\n').find((l) => l.startsWith('رویداد:'))
+  if (!line) return undefined
+  const raw = line.replace(/^رویداد:\s*/, '').trim()
+  if (!raw || raw === '—') return undefined
+  return raw === 'کیف پول' ? 'wallet' : raw
+}