added product import and billing integration

lib/app/providers.dart

@@ -79,15 +79,19 @@ final catalogueSourceProvider = Provider<CatalogueSource>((ref) {
 // ------------------------------------------------------------------- Sync
 /// How this terminal reaches the back office.
 ///
-/// Defaults to the simulated route so a fresh install is usable with no broker
-/// and no endpoint; Settings re-points it.
+/// Defaults to this store's live HTTP endpoint, so importing works out of the
+/// box against real products rather than the offline demo catalogue.
+/// Settings → Connectivity & sync → Configure re-points it to a different
+/// store, endpoint, or transport without a rebuild.
 ///
-/// Store and terminal ids always come from this device's own identity, never
-/// from a literal — two terminals publishing on the same topic is the failure
-/// this exists to prevent.
+/// Terminal id always comes from this device's own identity, never from a
+/// literal — two terminals publishing on the same topic is the failure this
+/// exists to prevent.
 final syncConfigProvider = StateProvider<SyncConfig>((ref) {
   final terminal = ref.watch(terminalIdentityProvider);
   return SyncConfig(
+    transport: TransportKind.http,
+    httpBaseUrl: 'https://fiesta.nearle.app/live/api/v1/pos',
     storeId: terminal.storeId,
     terminalId: terminal.code,
   );