Add business Finance hub with invoices and templates.

Ship invoice issue/list/templates under Finance, fix tenant theme reset and owner role badge, and show customers-joined charts by Persian months.

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

apps/business/src/lib/config.ts

@@ -34,3 +34,23 @@ export function isAllowedBusinessHost(hostname = window.location.hostname): bool
 export function getBusinessDomain(): string {
   return getBaseBusinessDomain()
 }
+
+/**
+ * Fallback public invoice URL if the API response is missing `publicUrl`.
+ * Prefer `invoice.publicUrl` returned by the API — this only covers edge cases.
+ * Business invoices use the tenant domain (e.g. sanihome.ir), not meshkee.com.
+ */
+export function getInvoicePublicUrlFallback(
+  publicId: string,
+  businessDomain = getBusinessDomain(),
+): string {
+  const baseOverride = import.meta.env.VITE_INVOICE_PUBLIC_BASE_URL?.trim()
+  if (baseOverride) {
+    return `${baseOverride.replace(/\/$/, '')}/invoices/${publicId}`
+  }
+  const domain =
+    import.meta.env.VITE_INVOICE_PUBLIC_DOMAIN?.trim() ||
+    businessDomain.trim() ||
+    'meshkee.com'
+  return `https://${domain}/invoices/${publicId}`
+}