added local db

.metadata

@@ -15,24 +15,9 @@ migration:
     - platform: root
       create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
       base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-    - platform: android
-      create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-      base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-    - platform: ios
-      create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-      base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-    - platform: linux
-      create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-      base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
     - platform: macos
       create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
       base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-    - platform: web
-      create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-      base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-    - platform: windows
-      create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
-      base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42
 
   # User provided section
 

lib/app/providers.dart

@@ -35,14 +35,14 @@ final transactionRepositoryProvider = Provider<TransactionRepository>(
 final remoteCatalogueProvider =
     Provider<RemoteCatalogueSource>((ref) => RemoteCatalogueSource());
 
-final remoteReportSinkProvider =
+final remoteOrderSinkProvider =
-    Provider<RemoteReportSink>((ref) => RemoteReportSink());
+    Provider<RemoteOrderSink>((ref) => RemoteOrderSink());
 
 final syncRepositoryProvider = Provider<SyncRepository>(
   (ref) => SyncRepositoryImpl(
     ref.watch(localStoreProvider),
     ref.watch(remoteCatalogueProvider),
-    ref.watch(remoteReportSinkProvider),
+    ref.watch(remoteOrderSinkProvider),
   ),
 );
 

lib/core/router/app_router.dart

@@ -5,23 +5,20 @@ import 'package:go_router/go_router.dart';
 import '../../domain/entities/transaction.dart';
 import '../../presentation/auth/providers/auth_controller.dart';
 import '../../presentation/auth/screens/login_screen.dart';
-import '../../presentation/customer/screens/customer_registration_screen.dart';
-import '../../presentation/customer/screens/existing_customer_screen.dart';
 import '../../presentation/payment/screens/payment_screen.dart';
 import '../../presentation/pos/screens/pos_dashboard_screen.dart';
 import '../../presentation/receipt/screens/receipt_screen.dart';
-import '../../presentation/welcome/screens/welcome_screen.dart';
 
 class AppRoutes {
   const AppRoutes._();
 
   static const String login = '/login';
-  static const String welcome = '/';
+
-  static const String registerCustomer = '/customer/new';
+  /// The terminal itself. Signing in lands here directly — customer capture
-  static const String existingCustomer = '/customer/find';
+  /// happens at checkout, not before the sale.
-  static const String pos = '/pos';
+  static const String pos = '/';
-  static const String payment = '/pos/payment';
+  static const String payment = '/payment';
-  static const String receipt = '/pos/receipt';
+  static const String receipt = '/receipt';
 }
 
 /// Router with an authentication guard.
@@ -48,7 +45,7 @@ final routerProvider = Provider<GoRouter>((ref) {
       final atLogin = state.matchedLocation == AppRoutes.login;
 
       if (!signedIn) return atLogin ? null : AppRoutes.login;
-      if (atLogin) return AppRoutes.welcome;
+      if (atLogin) return AppRoutes.pos;
       return null;
     },
     routes: [
@@ -57,41 +54,19 @@ final routerProvider = Provider<GoRouter>((ref) {
         name: 'login',
         pageBuilder: (context, state) => _fade(state, const LoginScreen()),
       ),
-      GoRoute(
-        path: AppRoutes.welcome,
-        name: 'welcome',
-        pageBuilder: (context, state) => _fade(state, const WelcomeScreen()),
-      ),
-      GoRoute(
-        path: AppRoutes.registerCustomer,
-        name: 'registerCustomer',
-        pageBuilder: (context, state) => _slide(
-          state,
-          CustomerRegistrationScreen(
-            prefillMobile: state.uri.queryParameters['mobile'],
-          ),
-        ),
-      ),
-      GoRoute(
-        path: AppRoutes.existingCustomer,
-        name: 'existingCustomer',
-        pageBuilder: (context, state) =>
-            _slide(state, const ExistingCustomerScreen()),
-      ),
       GoRoute(
         path: AppRoutes.pos,
         name: 'pos',
         pageBuilder: (context, state) =>
             _fade(state, const PosDashboardScreen()),
-        routes: [
-          GoRoute(
-            path: 'payment',
-            name: 'payment',
-            pageBuilder: (context, state) =>
-                _slide(state, const PaymentScreen()),
       ),
       GoRoute(
-            path: 'receipt',
+        path: AppRoutes.payment,
+        name: 'payment',
+        pageBuilder: (context, state) => _slide(state, const PaymentScreen()),
+      ),
+      GoRoute(
+        path: AppRoutes.receipt,
         name: 'receipt',
         pageBuilder: (context, state) => _fade(
           state,
@@ -99,8 +74,6 @@ final routerProvider = Provider<GoRouter>((ref) {
         ),
       ),
     ],
-      ),
-    ],
     errorBuilder: (context, state) => Scaffold(
       body: Center(child: Text('Route not found: ${state.uri}')),
     ),

lib/data/datasources/local_store.dart

@@ -1,136 +1,172 @@
 import '../../domain/entities/customer.dart';
 import '../../domain/entities/product.dart';
-import '../../domain/entities/sync_event.dart';
+import '../local/app_database.dart';
-import '../../domain/entities/transaction.dart';
+import '../local/catalogue_dao.dart';
-import 'seed_data.dart';
+import '../local/order_dao.dart';
 
-/// On-terminal storage.
+/// Terminal-side storage facade.
 ///
-/// The terminal starts with an **empty catalogue**: nothing can be billed
+/// SQLite is the source of truth. The catalogue is additionally held in memory
-/// until the cashier imports products. Everything after that — sales, parked
+/// because barcode resolution happens on every scan and the product grid reads
-/// bills, queued events — lives here and survives without a connection.
+/// it constantly — but every write goes to disk first, so nothing depends on
-///
+/// the process staying alive.
-/// Swapping this for Hive or SQLite changes nothing above the data layer.
 class LocalStore {
   LocalStore._();
 
   static final LocalStore instance = LocalStore._();
 
+  late CatalogueDao catalogue;
+  late OrderDao orders;
+
   final Map<String, Product> _products = {};
   final Map<String, Customer> _customers = {};
-  final List<SaleTransaction> _transactions = [];
-  final List<ParkedBill> _parked = [];
-  final List<SyncEvent> _events = [];
-
-  int _invoiceSequence = 0;
 
   DateTime? _lastImportAt;
   String? _catalogueRevision;
+  int _unsyncedOrders = 0;
 
-  /// Nothing to seed — the catalogue arrives via import.
+  bool _ready = false;
-  Future<void> init() async {}
 
-  /// Test helper. Clears everything and optionally loads the demo catalogue
+  bool get isReady => _ready;
-  /// so fixtures don't have to run an import first.
+
+  /// Opens the database and loads the catalogue into memory.
+  Future<void> init({String? databasePath, bool inMemory = false}) async {
+    if (inMemory) {
+      await AppDatabase.instance.openInMemory();
+    } else {
+      await AppDatabase.instance.open(overridePath: databasePath);
+    }
+
+    catalogue = CatalogueDao(AppDatabase.instance.db);
+    orders = OrderDao(AppDatabase.instance.db);
+
+    await hydrate();
+    _ready = true;
+  }
+
+  /// Re-reads cached state from disk. Called on start and after an import.
+  Future<void> hydrate() async {
+    _products
+      ..clear()
+      ..addEntries(
+        (await catalogue.allProducts()).map((p) => MapEntry(p.id, p)),
+      );
+    _customers
+      ..clear()
+      ..addEntries(
+        (await catalogue.allCustomers()).map((c) => MapEntry(c.id, c)),
+      );
+
+    final stamp = await catalogue.meta(MetaKeys.lastImportAt);
+    _lastImportAt = stamp == null
+        ? null
+        : DateTime.fromMillisecondsSinceEpoch(int.parse(stamp));
+    _catalogueRevision = await catalogue.meta(MetaKeys.catalogueRevision);
+    _unsyncedOrders = await orders.unsyncedCount();
+  }
+
+  /// Test helper: wipes every table and reloads.
   Future<void> reset({bool withCatalogue = false}) async {
-    _products.clear();
+    if (!_ready) await init(inMemory: true);
-    _customers.clear();
+    await AppDatabase.instance.clear();
-    _transactions.clear();
-    _parked.clear();
-    _events.clear();
-    _invoiceSequence = 0;
-    _lastImportAt = null;
-    _catalogueRevision = null;
 
     if (withCatalogue) {
-      importCatalogue(
+      // Imported here rather than at the top of the file so the seed data is
-        products: SeedData.products(),
+      // only pulled in by tests and the simulated remote source.
-        customers: SeedData.customers(),
+      await catalogue.replaceCatalogue(
-        revision: 'seed',
+        products: _seedProducts(),
-        at: DateTime.now(),
+        customers: _seedCustomers(),
       );
+      await catalogue.setMeta(
+        MetaKeys.lastImportAt,
+        '${DateTime.now().millisecondsSinceEpoch}',
+      );
+      await catalogue.setMeta(MetaKeys.catalogueRevision, 'seed');
     }
+
+    await hydrate();
   }
 
   // -------------------------------------------------------------- Catalogue
-  /// True once a catalogue has been pulled. The POS refuses to bill until so.
+  /// True once products exist on this terminal. Billing is gated on it.
   bool get hasCatalogue => _products.isNotEmpty;
 
   DateTime? get lastImportAt => _lastImportAt;
   String? get catalogueRevision => _catalogueRevision;
+  int get unsyncedOrders => _unsyncedOrders;
 
-  /// Replaces the catalogue wholesale.
+  Future<void> importCatalogue({
-  ///
-  /// Stock levels already adjusted by local sales are preserved for products
-  /// that survive the re-import, so importing mid-shift does not resurrect
-  /// stock that has been sold.
-  void importCatalogue({
     required List<Product> products,
     required List<Customer> customers,
     required String revision,
     required DateTime at,
-  }) {
+  }) async {
-    final priorStock = {
+    await catalogue.replaceCatalogue(products: products, customers: customers);
-      for (final p in _products.values) p.id: p.stock,
+    await catalogue.setMeta(
-    };
+      MetaKeys.lastImportAt,
-
+      '${at.millisecondsSinceEpoch}',
-    _products
+    );
-      ..clear()
+    await catalogue.setMeta(MetaKeys.catalogueRevision, revision);
-      ..addEntries(products.map((p) {
+    await hydrate();
-        final held = priorStock[p.id];
-        return MapEntry(p.id, held == null ? p : p.copyWith(stock: held));
-      }));
-
-    // Locally registered customers must not be wiped by a server pull.
-    for (final c in customers) {
-      _customers.putIfAbsent(c.id, () => c);
-    }
-
-    _lastImportAt = at;
-    _catalogueRevision = revision;
   }
 
   // --------------------------------------------------------------- Products
   List<Product> get products => _products.values.toList(growable: false);
 
-  void putProduct(Product p) => _products[p.id] = p;
-
   Product? productById(String id) => _products[id];
 
+  Product? productByBarcode(String barcode) {
+    final needle = barcode.trim();
+    for (final p in _products.values) {
+      if (p.barcode == needle && p.isActive) return p;
+    }
+    return null;
+  }
+
+  /// Write-through: disk first, then the cache.
+  Future<void> putProduct(Product p) async {
+    await catalogue.upsertProduct(p);
+    _products[p.id] = p;
+  }
+
+  Future<void> applyStockMovement(Map<String, double> quantities) async {
+    await catalogue.decrementStock(quantities);
+    quantities.forEach((id, qty) {
+      final p = _products[id];
+      if (p == null) return;
+      _products[id] =
+          p.copyWith(stock: (p.stock - qty).clamp(0, double.infinity));
+    });
+  }
+
   // -------------------------------------------------------------- Customers
   List<Customer> get customers => _customers.values.toList(growable: false);
 
-  void putCustomer(Customer c) => _customers[c.id] = c;
-
   Customer? customerById(String id) => _customers[id];
 
-  // ----------------------------------------------------------- Transactions
+  Future<void> putCustomer(Customer c) async {
-  List<SaleTransaction> get transactions =>
+    await catalogue.upsertCustomer(c);
-      List.unmodifiable(_transactions.reversed);
+    _customers[c.id] = c;
-
-  void addTransaction(SaleTransaction t) => _transactions.add(t);
-
-  int nextInvoiceSequence() => ++_invoiceSequence;
-
-  // ------------------------------------------------------------ Parked bills
-  List<ParkedBill> get parked => List.unmodifiable(_parked);
-
-  void addParked(ParkedBill b) => _parked.add(b);
-
-  void removeParked(String id) => _parked.removeWhere((b) => b.id == id);
-
-  // ------------------------------------------------------------ Sync events
-  List<SyncEvent> get events => List.unmodifiable(_events.reversed);
-
-  void addEvent(SyncEvent e) => _events.add(e);
-
-  /// Updates in place. Events are never removed, so a failed push stays
-  /// visible and retryable.
-  void updateEvent(SyncEvent e) {
-    final i = _events.indexWhere((x) => x.id == e.id);
-    if (i >= 0) _events[i] = e;
   }
 
-  bool get hasUnsyncedEvents =>
+  // ----------------------------------------------------------------- Orders
-      _events.any((e) => e.status != SyncStatus.synced);
+  /// Refreshes the cached unsynced tally after a write or a sync.
+  Future<int> refreshUnsyncedCount() async {
+    _unsyncedOrders = await orders.unsyncedCount();
+    return _unsyncedOrders;
+  }
+
+  // ------------------------------------------------------------- Seed data
+  // Kept behind these hooks so production code never reaches for them.
+  static List<Product> Function() _seedProducts = () => const [];
+  static List<Customer> Function() _seedCustomers = () => const [];
+
+  /// Lets the simulated remote source and tests supply demo rows.
+  static void registerSeed({
+    required List<Product> Function() products,
+    required List<Customer> Function() customers,
+  }) {
+    _seedProducts = products;
+    _seedCustomers = customers;
+  }
 }

lib/data/datasources/remote_catalogue_source.dart

@@ -1,5 +1,6 @@
 import '../../domain/entities/customer.dart';
 import '../../domain/entities/product.dart';
+import 'local_store.dart';
 import 'seed_data.dart';
 
 /// What one catalogue pull returns.
@@ -35,7 +36,12 @@ class CatalogueSyncException implements Exception {
 /// The real implementation would issue an HTTP request; the contract is the
 /// same, so only this class changes.
 class RemoteCatalogueSource {
-  RemoteCatalogueSource();
+  RemoteCatalogueSource() {
+    LocalStore.registerSeed(
+      products: SeedData.products,
+      customers: SeedData.customers,
+    );
+  }
 
   /// Flipped from Settings to exercise the offline path.
   bool simulateOffline = false;
@@ -75,24 +81,28 @@ class RemoteCatalogueSource {
   }
 }
 
-/// Stands in for the back-office reporting API.
+/// Stands in for the back-office order intake API.
-class RemoteReportSink {
+class RemoteOrderSink {
-  RemoteReportSink();
+  RemoteOrderSink();
 
   bool simulateOffline = false;
 
-  /// Pushes one payload. Throws on failure so the caller can keep the event
+  /// Uploads a batch of orders and returns the ids the server accepted.
-  /// queued rather than marking it sent.
+  ///
-  Future<String> push(Map<String, Object?> payload) async {
+  /// Throws on transport failure so the caller leaves every row at
-    await Future<void>.delayed(const Duration(milliseconds: 900));
+  /// `sync_status = 0` rather than marking anything sent.
+  Future<List<String>> pushOrders(List<Map<String, Object?>> orders) async {
+    await Future<void>.delayed(
+      Duration(milliseconds: 400 + orders.length * 60),
+    );
 
     if (simulateOffline) {
       throw const CatalogueSyncException(
-        'Could not reach the reporting server. '
+        'Could not reach the order server. Every bill is still stored on '
-        'The report is still saved on this terminal.',
+        'this terminal and will upload on the next attempt.',
       );
     }
 
-    return 'ACK-${DateTime.now().millisecondsSinceEpoch % 1000000}';
+    return orders.map((o) => o['id']! as String).toList();
   }
 }

lib/data/local/app_database.dart

@@ -0,0 +1,263 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:path/path.dart' as p;
+import 'package:sqflite/sqflite.dart';
+import 'package:sqflite_common_ffi/sqflite_ffi.dart';
+
+/// SQLite database for the terminal.
+///
+/// This is the source of truth for everything the cashier produces. Orders are
+/// written here the moment a sale completes, so a crash, a power cut or a
+/// closed app cannot lose a bill that has not yet reached the server.
+class AppDatabase {
+  AppDatabase._();
+
+  static final AppDatabase instance = AppDatabase._();
+
+  static const String _fileName = 'nearle_pos.db';
+  static const int _version = 1;
+
+  Database? _db;
+
+  Database get db {
+    final database = _db;
+    if (database == null) {
+      throw StateError('AppDatabase.open() must be called before use.');
+    }
+    return database;
+  }
+
+  bool get isOpen => _db != null;
+
+  /// Opens the database, creating the schema on first run.
+  ///
+  /// Desktop needs the FFI factory installed first; Android and iOS use the
+  /// platform implementation that ships with sqflite.
+  Future<void> open({String? overridePath}) async {
+    if (_db != null) return;
+
+    if (!kIsWeb && (Platform.isWindows || Platform.isLinux || Platform.isMacOS)) {
+      sqfliteFfiInit();
+      databaseFactory = databaseFactoryFfi;
+    }
+
+    final path = overridePath ??
+        p.join(await databaseFactory.getDatabasesPath(), _fileName);
+
+    _db = await databaseFactory.openDatabase(
+      path,
+      options: OpenDatabaseOptions(
+        version: _version,
+        onConfigure: (db) => db.execute('PRAGMA foreign_keys = ON'),
+        onCreate: (db, version) async => _createSchema(db),
+        onUpgrade: (db, from, to) async {
+          // Single version so far; migrations land here as the schema grows.
+        },
+      ),
+    );
+  }
+
+  /// In-memory database for tests.
+  Future<void> openInMemory() async {
+    if (_db != null) await close();
+    sqfliteFfiInit();
+    databaseFactory = databaseFactoryFfi;
+    _db = await databaseFactory.openDatabase(
+      inMemoryDatabasePath,
+      options: OpenDatabaseOptions(
+        version: _version,
+        onConfigure: (db) => db.execute('PRAGMA foreign_keys = ON'),
+        onCreate: (db, version) async => _createSchema(db),
+      ),
+    );
+  }
+
+  Future<void> close() async {
+    await _db?.close();
+    _db = null;
+  }
+
+  /// Drops every row without touching the schema. Used by tests.
+  Future<void> clear() async {
+    final batch = db.batch();
+    for (final t in const [
+      Tables.orderItems,
+      Tables.orders,
+      Tables.products,
+      Tables.customers,
+      Tables.parkedBills,
+      Tables.syncLog,
+      Tables.meta,
+    ]) {
+      batch.delete(t);
+    }
+    await batch.commit(noResult: true);
+  }
+
+  Future<void> _createSchema(Database db) async {
+    // ------------------------------------------------------------ products
+    await db.execute('''
+      CREATE TABLE ${Tables.products} (
+        id          TEXT PRIMARY KEY,
+        name        TEXT    NOT NULL,
+        barcode     TEXT    NOT NULL,
+        sku         TEXT    NOT NULL,
+        category    TEXT    NOT NULL,
+        price       REAL    NOT NULL,
+        mrp         REAL,
+        stock       REAL    NOT NULL DEFAULT 0,
+        emoji       TEXT,
+        image_url   TEXT,
+        unit        TEXT    NOT NULL DEFAULT 'piece',
+        gst_rate    REAL    NOT NULL DEFAULT 0.18,
+        brand       TEXT,
+        is_active   INTEGER NOT NULL DEFAULT 1,
+        updated_at  INTEGER NOT NULL
+      )
+    ''');
+    // Barcode lookup is the hot path during scanning.
+    await db.execute(
+      'CREATE UNIQUE INDEX idx_products_barcode ON ${Tables.products}(barcode)',
+    );
+    await db.execute(
+      'CREATE INDEX idx_products_category ON ${Tables.products}(category)',
+    );
+
+    // ----------------------------------------------------------- customers
+    await db.execute('''
+      CREATE TABLE ${Tables.customers} (
+        id             TEXT PRIMARY KEY,
+        name           TEXT    NOT NULL,
+        mobile         TEXT    NOT NULL,
+        email          TEXT,
+        gender         TEXT    NOT NULL DEFAULT 'unspecified',
+        date_of_birth  INTEGER,
+        loyalty_points INTEGER NOT NULL DEFAULT 0,
+        lifetime_spend REAL    NOT NULL DEFAULT 0,
+        visit_count    INTEGER NOT NULL DEFAULT 0,
+        created_at     INTEGER,
+        last_visit_at  INTEGER
+      )
+    ''');
+    await db.execute(
+      'CREATE UNIQUE INDEX idx_customers_mobile ON ${Tables.customers}(mobile)',
+    );
+
+    // -------------------------------------------------------------- orders
+    await db.execute('''
+      CREATE TABLE ${Tables.orders} (
+        id               TEXT PRIMARY KEY,
+        invoice_number   TEXT    NOT NULL UNIQUE,
+        created_at       INTEGER NOT NULL,
+        business_date    TEXT    NOT NULL,
+        cashier_name     TEXT    NOT NULL,
+        terminal_id      TEXT    NOT NULL,
+        customer_id      TEXT,
+        customer_mobile  TEXT,
+        customer_name    TEXT,
+        subtotal         REAL    NOT NULL,
+        line_discount    REAL    NOT NULL DEFAULT 0,
+        bill_discount    REAL    NOT NULL DEFAULT 0,
+        loyalty_value    REAL    NOT NULL DEFAULT 0,
+        taxable_amount   REAL    NOT NULL DEFAULT 0,
+        tax_amount       REAL    NOT NULL DEFAULT 0,
+        round_off        REAL    NOT NULL DEFAULT 0,
+        total            REAL    NOT NULL,
+        points_earned    INTEGER NOT NULL DEFAULT 0,
+        points_redeemed  INTEGER NOT NULL DEFAULT 0,
+        payments_json    TEXT    NOT NULL,
+        status           TEXT    NOT NULL DEFAULT 'completed',
+
+        -- 0 = held on this terminal, 1 = accepted by the server
+        sync_status      INTEGER NOT NULL DEFAULT 0,
+        synced_at        INTEGER,
+        sync_attempts    INTEGER NOT NULL DEFAULT 0,
+        sync_error       TEXT
+      )
+    ''');
+    // The end-of-day upload selects on this, so it must be indexed.
+    await db.execute(
+      'CREATE INDEX idx_orders_sync ON ${Tables.orders}(sync_status)',
+    );
+    await db.execute(
+      'CREATE INDEX idx_orders_date ON ${Tables.orders}(business_date)',
+    );
+
+    // --------------------------------------------------------- order items
+    await db.execute('''
+      CREATE TABLE ${Tables.orderItems} (
+        id          INTEGER PRIMARY KEY AUTOINCREMENT,
+        order_id    TEXT NOT NULL,
+        product_id  TEXT NOT NULL,
+        name        TEXT NOT NULL,
+        barcode     TEXT NOT NULL,
+        sku         TEXT NOT NULL,
+        unit        TEXT NOT NULL,
+        unit_price  REAL NOT NULL,
+        quantity    REAL NOT NULL,
+        discount    REAL NOT NULL DEFAULT 0,
+        gst_rate    REAL NOT NULL DEFAULT 0,
+        tax_amount  REAL NOT NULL DEFAULT 0,
+        line_total  REAL NOT NULL,
+        FOREIGN KEY (order_id) REFERENCES ${Tables.orders}(id)
+          ON DELETE CASCADE
+      )
+    ''');
+    await db.execute(
+      'CREATE INDEX idx_items_order ON ${Tables.orderItems}(order_id)',
+    );
+
+    // --------------------------------------------------------- parked bills
+    await db.execute('''
+      CREATE TABLE ${Tables.parkedBills} (
+        id         TEXT PRIMARY KEY,
+        label      TEXT,
+        parked_at  INTEGER NOT NULL,
+        cart_json  TEXT    NOT NULL
+      )
+    ''');
+
+    // -------------------------------------------------------------- syncLog
+    await db.execute('''
+      CREATE TABLE ${Tables.syncLog} (
+        id          TEXT PRIMARY KEY,
+        type        TEXT    NOT NULL,
+        status      TEXT    NOT NULL,
+        created_at  INTEGER NOT NULL,
+        synced_at   INTEGER,
+        summary     TEXT    NOT NULL,
+        error       TEXT,
+        attempts    INTEGER NOT NULL DEFAULT 0
+      )
+    ''');
+
+    // ----------------------------------------------------------------- meta
+    await db.execute('''
+      CREATE TABLE ${Tables.meta} (
+        key   TEXT PRIMARY KEY,
+        value TEXT NOT NULL
+      )
+    ''');
+  }
+}
+
+class Tables {
+  const Tables._();
+
+  static const String products = 'products';
+  static const String customers = 'customers';
+  static const String orders = 'orders';
+  static const String orderItems = 'order_items';
+  static const String parkedBills = 'parked_bills';
+  static const String syncLog = 'sync_log';
+  static const String meta = 'app_meta';
+}
+
+class MetaKeys {
+  const MetaKeys._();
+
+  static const String lastImportAt = 'last_import_at';
+  static const String catalogueRevision = 'catalogue_revision';
+  static const String invoiceSequence = 'invoice_sequence';
+}

lib/data/local/catalogue_dao.dart

@@ -0,0 +1,248 @@
+import 'package:sqflite/sqflite.dart';
+
+import '../../domain/entities/customer.dart';
+import '../../domain/entities/product.dart';
+import 'app_database.dart';
+
+/// Reads and writes the imported catalogue.
+class CatalogueDao {
+  const CatalogueDao(this._db);
+
+  final Database _db;
+
+  // --------------------------------------------------------------- Mapping
+  static Map<String, Object?> productToRow(Product p) => {
+        'id': p.id,
+        'name': p.name,
+        'barcode': p.barcode,
+        'sku': p.sku,
+        'category': p.category.name,
+        'price': p.price,
+        'mrp': p.mrp,
+        'stock': p.stock,
+        'emoji': p.emoji,
+        'image_url': p.imageUrl,
+        'unit': p.unit.name,
+        'gst_rate': p.gstRate,
+        'brand': p.brand,
+        'is_active': p.isActive ? 1 : 0,
+        'updated_at': DateTime.now().millisecondsSinceEpoch,
+      };
+
+  static Product productFromRow(Map<String, Object?> r) => Product(
+        id: r['id']! as String,
+        name: r['name']! as String,
+        barcode: r['barcode']! as String,
+        sku: r['sku']! as String,
+        category: ProductCategory.values.byName(r['category']! as String),
+        price: (r['price']! as num).toDouble(),
+        mrp: (r['mrp'] as num?)?.toDouble(),
+        stock: (r['stock']! as num).toDouble(),
+        emoji: (r['emoji'] as String?) ?? '📦',
+        imageUrl: r['image_url'] as String?,
+        unit: UnitOfMeasure.values.byName((r['unit'] as String?) ?? 'piece'),
+        gstRate: (r['gst_rate']! as num).toDouble(),
+        brand: r['brand'] as String?,
+        isActive: (r['is_active']! as int) == 1,
+      );
+
+  static Map<String, Object?> customerToRow(Customer c) => {
+        'id': c.id,
+        'name': c.name,
+        'mobile': c.mobile,
+        'email': c.email,
+        'gender': c.gender.name,
+        'date_of_birth': c.dateOfBirth?.millisecondsSinceEpoch,
+        'loyalty_points': c.loyaltyPoints,
+        'lifetime_spend': c.lifetimeSpend,
+        'visit_count': c.visitCount,
+        'created_at': c.createdAt?.millisecondsSinceEpoch,
+        'last_visit_at': c.lastVisitAt?.millisecondsSinceEpoch,
+      };
+
+  static Customer customerFromRow(Map<String, Object?> r) => Customer(
+        id: r['id']! as String,
+        name: r['name']! as String,
+        mobile: r['mobile']! as String,
+        email: r['email'] as String?,
+        gender: Gender.values.byName((r['gender'] as String?) ?? 'unspecified'),
+        dateOfBirth: _date(r['date_of_birth']),
+        loyaltyPoints: (r['loyalty_points'] as int?) ?? 0,
+        lifetimeSpend: (r['lifetime_spend'] as num?)?.toDouble() ?? 0,
+        visitCount: (r['visit_count'] as int?) ?? 0,
+        createdAt: _date(r['created_at']),
+        lastVisitAt: _date(r['last_visit_at']),
+      );
+
+  static DateTime? _date(Object? millis) => millis == null
+      ? null
+      : DateTime.fromMillisecondsSinceEpoch(millis! as int);
+
+  // -------------------------------------------------------------- Products
+  Future<List<Product>> allProducts() async {
+    final rows = await _db.query(
+      Tables.products,
+      where: 'is_active = 1',
+      orderBy: 'category, name',
+    );
+    return rows.map(productFromRow).toList();
+  }
+
+  Future<Product?> productByBarcode(String barcode) async {
+    final rows = await _db.query(
+      Tables.products,
+      where: 'barcode = ? AND is_active = 1',
+      whereArgs: [barcode.trim()],
+      limit: 1,
+    );
+    return rows.isEmpty ? null : productFromRow(rows.first);
+  }
+
+  Future<Product?> productById(String id) async {
+    final rows = await _db.query(
+      Tables.products,
+      where: 'id = ?',
+      whereArgs: [id],
+      limit: 1,
+    );
+    return rows.isEmpty ? null : productFromRow(rows.first);
+  }
+
+  Future<int> productCount() async {
+    final r = await _db.rawQuery(
+      'SELECT COUNT(*) AS c FROM ${Tables.products} WHERE is_active = 1',
+    );
+    return (r.first['c']! as int);
+  }
+
+  Future<void> upsertProduct(Product p) async {
+    await _db.insert(
+      Tables.products,
+      productToRow(p),
+      conflictAlgorithm: ConflictAlgorithm.replace,
+    );
+  }
+
+  /// Writes the pulled catalogue in one transaction.
+  ///
+  /// Stock already decremented by local sales is preserved for products that
+  /// survive the import, so re-importing mid-shift cannot resurrect sold units.
+  Future<void> replaceCatalogue({
+    required List<Product> products,
+    required List<Customer> customers,
+  }) async {
+    await _db.transaction((txn) async {
+      final existing = await txn.query(
+        Tables.products,
+        columns: ['id', 'stock'],
+      );
+      final heldStock = {
+        for (final r in existing) r['id']! as String: (r['stock']! as num).toDouble(),
+      };
+
+      final batch = txn.batch();
+      for (final p in products) {
+        final held = heldStock[p.id];
+        batch.insert(
+          Tables.products,
+          productToRow(held == null ? p : p.copyWith(stock: held)),
+          conflictAlgorithm: ConflictAlgorithm.replace,
+        );
+      }
+
+      // Locally registered customers must survive a server pull, so this
+      // ignores rows that already exist rather than replacing them.
+      for (final c in customers) {
+        batch.insert(
+          Tables.customers,
+          customerToRow(c),
+          conflictAlgorithm: ConflictAlgorithm.ignore,
+        );
+      }
+
+      await batch.commit(noResult: true);
+    });
+  }
+
+  /// Applies stock movement after a sale, clamped at zero.
+  Future<void> decrementStock(Map<String, double> quantities) async {
+    if (quantities.isEmpty) return;
+    await _db.transaction((txn) async {
+      final batch = txn.batch();
+      quantities.forEach((id, qty) {
+        batch.rawUpdate(
+          'UPDATE ${Tables.products} '
+          'SET stock = MAX(0, stock - ?), updated_at = ? WHERE id = ?',
+          [qty, DateTime.now().millisecondsSinceEpoch, id],
+        );
+      });
+      await batch.commit(noResult: true);
+    });
+  }
+
+  // ------------------------------------------------------------- Customers
+  Future<List<Customer>> allCustomers({int limit = 500}) async {
+    final rows = await _db.query(
+      Tables.customers,
+      orderBy: 'last_visit_at DESC',
+      limit: limit,
+    );
+    return rows.map(customerFromRow).toList();
+  }
+
+  Future<Customer?> customerByMobile(String mobile) async {
+    final digits = mobile.replaceAll(RegExp(r'\D'), '');
+    final rows = await _db.query(
+      Tables.customers,
+      where: 'mobile = ?',
+      whereArgs: [digits],
+      limit: 1,
+    );
+    return rows.isEmpty ? null : customerFromRow(rows.first);
+  }
+
+  Future<Customer?> customerById(String id) async {
+    final rows = await _db.query(
+      Tables.customers,
+      where: 'id = ?',
+      whereArgs: [id],
+      limit: 1,
+    );
+    return rows.isEmpty ? null : customerFromRow(rows.first);
+  }
+
+  Future<void> upsertCustomer(Customer c) async {
+    await _db.insert(
+      Tables.customers,
+      customerToRow(c),
+      conflictAlgorithm: ConflictAlgorithm.replace,
+    );
+  }
+
+  // ------------------------------------------------------------------ Meta
+  Future<String?> meta(String key) async {
+    final rows = await _db.query(
+      Tables.meta,
+      where: 'key = ?',
+      whereArgs: [key],
+      limit: 1,
+    );
+    return rows.isEmpty ? null : rows.first['value'] as String?;
+  }
+
+  Future<void> setMeta(String key, String value) async {
+    await _db.insert(
+      Tables.meta,
+      {'key': key, 'value': value},
+      conflictAlgorithm: ConflictAlgorithm.replace,
+    );
+  }
+
+  /// Monotonic invoice counter held in the meta table.
+  Future<int> nextInvoiceSequence() async {
+    final current = int.tryParse(await meta(MetaKeys.invoiceSequence) ?? '0') ?? 0;
+    final next = current + 1;
+    await setMeta(MetaKeys.invoiceSequence, '$next');
+    return next;
+  }
+}

lib/data/local/order_dao.dart

@@ -0,0 +1,367 @@
+import 'dart:convert';
+
+import 'package:sqflite/sqflite.dart';
+
+import '../../domain/entities/cart.dart';
+import '../../domain/entities/customer.dart';
+import '../../domain/entities/product.dart';
+import '../../domain/entities/transaction.dart';
+import 'app_database.dart';
+import 'catalogue_dao.dart';
+
+/// Persists bills.
+///
+/// Every completed sale lands here with `sync_status = 0`. The end-of-day
+/// upload selects those rows, sends them, and flips the accepted ones to 1.
+/// Nothing is ever deleted as part of syncing.
+class OrderDao {
+  const OrderDao(this._db);
+
+  final Database _db;
+
+  static const int pending = 0;
+  static const int synced = 1;
+
+  static String businessDateOf(DateTime dt) =>
+      '${dt.year.toString().padLeft(4, '0')}-'
+      '${dt.month.toString().padLeft(2, '0')}-'
+      '${dt.day.toString().padLeft(2, '0')}';
+
+  // ----------------------------------------------------------------- Write
+  /// Writes the bill and its lines atomically.
+  Future<void> insertOrder(SaleTransaction t) async {
+    final cart = t.cart;
+
+    await _db.transaction((txn) async {
+      await txn.insert(
+        Tables.orders,
+        {
+          'id': t.id,
+          'invoice_number': t.invoiceNumber,
+          'created_at': t.createdAt.millisecondsSinceEpoch,
+          'business_date': businessDateOf(t.createdAt),
+          'cashier_name': t.cashierName,
+          'terminal_id': t.terminalId,
+          'customer_id': cart.customer?.id,
+          'customer_mobile': cart.customer?.mobile,
+          'customer_name': cart.customer?.name,
+          'subtotal': cart.subtotal,
+          'line_discount': cart.lineDiscountTotal,
+          'bill_discount': cart.billDiscountTotal,
+          'loyalty_value': cart.loyaltyRedemptionValue,
+          'taxable_amount': cart.taxableAmount,
+          'tax_amount': cart.taxAmount,
+          'round_off': cart.roundOff,
+          'total': t.total,
+          'points_earned': cart.pointsEarned,
+          'points_redeemed': cart.pointsRedeemed,
+          'payments_json': jsonEncode([
+            for (final p in t.payments)
+              {
+                'method': p.method.name,
+                'amount': p.amount,
+                'tendered': p.tendered,
+                'reference': p.reference,
+              },
+          ]),
+          'status': t.status.name,
+          'sync_status': pending,
+          'sync_attempts': 0,
+        },
+        conflictAlgorithm: ConflictAlgorithm.replace,
+      );
+
+      final batch = txn.batch();
+      for (final line in cart.lines) {
+        batch.insert(Tables.orderItems, {
+          'order_id': t.id,
+          'product_id': line.product.id,
+          'name': line.product.name,
+          'barcode': line.product.barcode,
+          'sku': line.product.sku,
+          'unit': line.product.unit.name,
+          'unit_price': line.product.price,
+          'quantity': line.quantity,
+          'discount': line.discountAmount,
+          'gst_rate': line.product.gstRate,
+          'tax_amount': line.taxAmount,
+          'line_total': line.payable,
+        });
+      }
+      await batch.commit(noResult: true);
+    });
+  }
+
+  // ------------------------------------------------------------------ Read
+  Future<List<SaleTransaction>> recent({int limit = 100}) =>
+      _query(orderBy: 'created_at DESC', limit: limit);
+
+  Future<List<SaleTransaction>> forBusinessDate(DateTime day) =>
+      _query(where: 'business_date = ?', whereArgs: [businessDateOf(day)]);
+
+  /// The end-of-day upload set.
+  Future<List<SaleTransaction>> unsynced({int limit = 500}) => _query(
+        where: 'sync_status = ?',
+        whereArgs: [pending],
+        orderBy: 'created_at ASC',
+        limit: limit,
+      );
+
+  Future<SaleTransaction?> byInvoice(String invoiceNumber) async {
+    final rows = await _query(
+      where: 'invoice_number = ?',
+      whereArgs: [invoiceNumber],
+      limit: 1,
+    );
+    return rows.isEmpty ? null : rows.first;
+  }
+
+  Future<int> unsyncedCount() async {
+    final r = await _db.rawQuery(
+      'SELECT COUNT(*) AS c FROM ${Tables.orders} WHERE sync_status = ?',
+      [pending],
+    );
+    return r.first['c']! as int;
+  }
+
+  Future<double> salesTotalForDay(DateTime day) async {
+    final r = await _db.rawQuery(
+      'SELECT COALESCE(SUM(total), 0) AS t FROM ${Tables.orders} '
+      "WHERE business_date = ? AND status = 'completed'",
+      [businessDateOf(day)],
+    );
+    return (r.first['t']! as num).toDouble();
+  }
+
+  /// Sync state of an order, for display in the events log.
+  Future<Map<String, Object?>?> syncRow(String orderId) async {
+    final rows = await _db.query(
+      Tables.orders,
+      columns: [
+        'id',
+        'invoice_number',
+        'total',
+        'created_at',
+        'sync_status',
+        'synced_at',
+        'sync_attempts',
+        'sync_error',
+      ],
+      where: 'id = ?',
+      whereArgs: [orderId],
+      limit: 1,
+    );
+    return rows.isEmpty ? null : rows.first;
+  }
+
+  Future<List<Map<String, Object?>>> syncRows({int limit = 200}) => _db.query(
+        Tables.orders,
+        columns: [
+          'id',
+          'invoice_number',
+          'total',
+          'created_at',
+          'sync_status',
+          'synced_at',
+          'sync_attempts',
+          'sync_error',
+        ],
+        orderBy: 'created_at DESC',
+        limit: limit,
+      );
+
+  // ----------------------------------------------------------------- Sync
+  /// Flips accepted orders to `sync_status = 1`.
+  Future<void> markSynced(List<String> orderIds) async {
+    if (orderIds.isEmpty) return;
+    final now = DateTime.now().millisecondsSinceEpoch;
+    final placeholders = List.filled(orderIds.length, '?').join(',');
+
+    await _db.rawUpdate(
+      'UPDATE ${Tables.orders} SET sync_status = ?, synced_at = ?, '
+      'sync_error = NULL WHERE id IN ($placeholders)',
+      [synced, now, ...orderIds],
+    );
+  }
+
+  /// Records a failed attempt. The rows stay at `sync_status = 0`.
+  Future<void> markFailed(List<String> orderIds, String error) async {
+    if (orderIds.isEmpty) return;
+    final placeholders = List.filled(orderIds.length, '?').join(',');
+
+    await _db.rawUpdate(
+      'UPDATE ${Tables.orders} SET sync_attempts = sync_attempts + 1, '
+      'sync_error = ? WHERE id IN ($placeholders)',
+      [error, ...orderIds],
+    );
+  }
+
+  // ---------------------------------------------------------- Parked bills
+  Future<void> park(ParkedBill bill) async {
+    await _db.insert(
+      Tables.parkedBills,
+      {
+        'id': bill.id,
+        'label': bill.label,
+        'parked_at': bill.parkedAt.millisecondsSinceEpoch,
+        'cart_json': jsonEncode(_cartToJson(bill.cart)),
+      },
+      conflictAlgorithm: ConflictAlgorithm.replace,
+    );
+  }
+
+  Future<List<ParkedBill>> parkedBills() async {
+    final rows =
+        await _db.query(Tables.parkedBills, orderBy: 'parked_at DESC');
+    return rows
+        .map((r) => ParkedBill(
+              id: r['id']! as String,
+              label: r['label'] as String?,
+              parkedAt:
+                  DateTime.fromMillisecondsSinceEpoch(r['parked_at']! as int),
+              cart: _cartFromJson(
+                jsonDecode(r['cart_json']! as String) as Map<String, Object?>,
+              ),
+            ))
+        .toList();
+  }
+
+  Future<void> removeParked(String id) async {
+    await _db.delete(Tables.parkedBills, where: 'id = ?', whereArgs: [id]);
+  }
+
+  // -------------------------------------------------------------- Internals
+  Future<List<SaleTransaction>> _query({
+    String? where,
+    List<Object?>? whereArgs,
+    String orderBy = 'created_at DESC',
+    int? limit,
+  }) async {
+    final orders = await _db.query(
+      Tables.orders,
+      where: where,
+      whereArgs: whereArgs,
+      orderBy: orderBy,
+      limit: limit,
+    );
+    if (orders.isEmpty) return const [];
+
+    final ids = orders.map((o) => o['id']! as String).toList();
+    final placeholders = List.filled(ids.length, '?').join(',');
+    final items = await _db.query(
+      Tables.orderItems,
+      where: 'order_id IN ($placeholders)',
+      whereArgs: ids,
+    );
+
+    final byOrder = <String, List<Map<String, Object?>>>{};
+    for (final i in items) {
+      byOrder.putIfAbsent(i['order_id']! as String, () => []).add(i);
+    }
+
+    return orders
+        .map((o) => _transactionFromRows(o, byOrder[o['id']] ?? const []))
+        .toList();
+  }
+
+  SaleTransaction _transactionFromRows(
+    Map<String, Object?> o,
+    List<Map<String, Object?>> items,
+  ) {
+    // Lines are rebuilt from the snapshot taken at sale time, not from the
+    // current catalogue, so a reprint always shows what was actually charged.
+    final lines = items.map((i) {
+      final product = Product(
+        id: i['product_id']! as String,
+        name: i['name']! as String,
+        barcode: i['barcode']! as String,
+        sku: i['sku']! as String,
+        category: ProductCategory.grocery,
+        price: (i['unit_price']! as num).toDouble(),
+        stock: 0,
+        unit: UnitOfMeasure.values.byName(i['unit']! as String),
+        gstRate: (i['gst_rate']! as num).toDouble(),
+      );
+      return CartLine(
+        product: product,
+        quantity: (i['quantity']! as num).toDouble(),
+        discount: (i['discount']! as num) > 0
+            ? Discount(
+                type: DiscountType.flat,
+                value: (i['discount']! as num).toDouble(),
+              )
+            : Discount.none,
+      );
+    }).toList();
+
+    final customerId = o['customer_id'] as String?;
+    final customer = customerId == null
+        ? null
+        : Customer(
+            id: customerId,
+            name: (o['customer_name'] as String?) ?? 'Customer',
+            mobile: (o['customer_mobile'] as String?) ?? '',
+          );
+
+    final payments = (jsonDecode(o['payments_json']! as String) as List)
+        .cast<Map<String, Object?>>()
+        .map((p) => PaymentSplit(
+              method: PaymentMethod.values.byName(p['method']! as String),
+              amount: (p['amount']! as num).toDouble(),
+              tendered: (p['tendered'] as num?)?.toDouble(),
+              reference: p['reference'] as String?,
+            ))
+        .toList();
+
+    return SaleTransaction(
+      id: o['id']! as String,
+      invoiceNumber: o['invoice_number']! as String,
+      cart: Cart(lines: lines, customer: customer),
+      payments: payments,
+      createdAt: DateTime.fromMillisecondsSinceEpoch(o['created_at']! as int),
+      cashierName: o['cashier_name']! as String,
+      terminalId: o['terminal_id']! as String,
+      status: TransactionStatus.values.byName(o['status']! as String),
+    );
+  }
+
+  Map<String, Object?> _cartToJson(Cart cart) => {
+        'customer': cart.customer == null
+            ? null
+            : CatalogueDao.customerToRow(cart.customer!),
+        'points_redeemed': cart.pointsRedeemed,
+        'note': cart.note,
+        'lines': [
+          for (final l in cart.lines)
+            {
+              'product': CatalogueDao.productToRow(l.product),
+              'quantity': l.quantity,
+              'discount_type': l.discount.type.name,
+              'discount_value': l.discount.value,
+            },
+        ],
+      };
+
+  Cart _cartFromJson(Map<String, Object?> j) {
+    final customerRow = j['customer'] as Map<String, Object?>?;
+    return Cart(
+      customer: customerRow == null
+          ? null
+          : CatalogueDao.customerFromRow(customerRow),
+      pointsRedeemed: (j['points_redeemed'] as int?) ?? 0,
+      note: j['note'] as String?,
+      lines: (j['lines'] as List).cast<Map<String, Object?>>().map((l) {
+        return CartLine(
+          product: CatalogueDao.productFromRow(
+            l['product']! as Map<String, Object?>,
+          ),
+          quantity: (l['quantity']! as num).toDouble(),
+          discount: Discount(
+            type: DiscountType.values.byName(l['discount_type']! as String),
+            value: (l['discount_value']! as num).toDouble(),
+          ),
+        );
+      }).toList(),
+    );
+  }
+}

lib/data/repositories/customer_repository_impl.dart

@@ -43,13 +43,13 @@ class CustomerRepositoryImpl implements CustomerRepository {
       visitCount: 0,
       createdAt: DateTime.now(),
     );
-    _store.putCustomer(created);
+    await _store.putCustomer(created);
     return created;
   }
 
   @override
   Future<Customer> update(Customer customer) async {
-    _store.putCustomer(customer);
+    await _store.putCustomer(customer);
     return customer;
   }
 
@@ -72,7 +72,7 @@ class CustomerRepositoryImpl implements CustomerRepository {
       visitCount: current.visitCount + 1,
       lastVisitAt: DateTime.now(),
     );
-    _store.putCustomer(updated);
+    await _store.putCustomer(updated);
     return updated;
   }
 

lib/data/repositories/product_repository_impl.dart

@@ -1,8 +1,9 @@
-import '../../core/utils/extensions.dart';
 import '../../domain/entities/product.dart';
 import '../../domain/repositories/product_repository.dart';
 import '../datasources/local_store.dart';
 
+/// Reads come from the in-memory catalogue for speed; writes go through the
+/// store, which persists to SQLite before touching the cache.
 class ProductRepositoryImpl implements ProductRepository {
   ProductRepositoryImpl(this._store);
 
@@ -19,12 +20,8 @@ class ProductRepositoryImpl implements ProductRepository {
           .toList();
 
   @override
-  Future<Product?> findByBarcode(String barcode) async {
+  Future<Product?> findByBarcode(String barcode) async =>
-    final needle = barcode.trim();
+      _store.productByBarcode(barcode);
-    return _store.products.firstWhereOrNull(
-      (p) => p.barcode == needle && p.isActive,
-    );
-  }
 
   @override
   Future<Product?> findById(String id) async => _store.productById(id);
@@ -34,15 +31,13 @@ class ProductRepositoryImpl implements ProductRepository {
     final q = query.trim();
     if (q.isEmpty) return getAll();
 
-    final results = _store.products.where((p) => p.isActive && p.matches(q));
+    final ranked = _store.products.where((p) => p.isActive && p.matches(q)).toList()
-
-    // Rank exact barcode and SKU hits above fuzzy name matches so the top
-    // result is the one the cashier almost certainly meant.
-    final ranked = results.toList()
       ..sort((a, b) => _score(b, q).compareTo(_score(a, q)));
     return ranked;
   }
 
+  /// Exact barcode and SKU hits rank above fuzzy name matches, so the top
+  /// result is the one the cashier almost certainly meant.
   int _score(Product p, String q) {
     final lq = q.toLowerCase();
     if (p.barcode == q) return 100;
@@ -54,15 +49,9 @@ class ProductRepositoryImpl implements ProductRepository {
   }
 
   @override
-  Future<void> decrementStock(Map<String, double> quantities) async {
+  Future<void> decrementStock(Map<String, double> quantities) =>
-    quantities.forEach((id, qty) {
+      _store.applyStockMovement(quantities);
-      final p = _store.productById(id);
-      if (p == null) return;
-      final next = (p.stock - qty).clamp(0, double.infinity).toDouble();
-      _store.putProduct(p.copyWith(stock: next));
-    });
-  }
 
   @override
-  Future<void> upsert(Product product) async => _store.putProduct(product);
+  Future<void> upsert(Product product) => _store.putProduct(product);
 }

lib/data/repositories/sync_repository_impl.dart

@@ -3,19 +3,25 @@ import 'package:uuid/uuid.dart';
 import '../../core/utils/formatters.dart';
 import '../../domain/entities/shift_report.dart';
 import '../../domain/entities/sync_event.dart';
+import '../../domain/entities/transaction.dart';
 import '../../domain/repositories/sync_repository.dart';
 import '../datasources/local_store.dart';
 import '../datasources/remote_catalogue_source.dart';
+import '../local/order_dao.dart';
 
 class SyncRepositoryImpl implements SyncRepository {
-  SyncRepositoryImpl(this._store, this._catalogue, this._reports);
+  SyncRepositoryImpl(this._store, this._catalogue, this._orderSink);
 
   final LocalStore _store;
   final RemoteCatalogueSource _catalogue;
-  final RemoteReportSink _reports;
+  final RemoteOrderSink _orderSink;
 
   static const _uuid = Uuid();
 
+  /// In-session event log. Order sync state itself lives on the order rows,
+  /// so this is only a human-readable history of attempts.
+  final List<SyncEvent> _events = [];
+
   @override
   bool get hasCatalogue => _store.hasCatalogue;
 
@@ -26,134 +32,216 @@ class SyncRepositoryImpl implements SyncRepository {
   String? get catalogueRevision => _store.catalogueRevision;
 
   @override
-  List<SyncEvent> get events => _store.events;
+  List<SyncEvent> get events => List.unmodifiable(_events.reversed);
 
-  @override
+  void _log(SyncEvent e) => _events.add(e);
-  bool get hasUnsyncedEvents => _store.hasUnsyncedEvents;
 
+  // ------------------------------------------------------- Morning: import
   @override
   Future<SyncEvent> importCatalogue({
     void Function(double progress, String stage)? onProgress,
   }) async {
-    final event = SyncEvent(
+    final id = _uuid.v4();
-      id: _uuid.v4(),
+    final started = DateTime.now();
-      type: SyncEventType.catalogueImport,
-      status: SyncStatus.syncing,
-      createdAt: DateTime.now(),
-      summary: 'Catalogue import started',
-    );
-    _store.addEvent(event);
 
     try {
       final snapshot = await _catalogue.fetch(onProgress: onProgress);
 
-      _store.importCatalogue(
+      await _store.importCatalogue(
         products: snapshot.products,
         customers: snapshot.customers,
         revision: snapshot.revision,
         at: snapshot.fetchedAt,
       );
 
-      final done = event.copyWith(
+      final event = SyncEvent(
+        id: id,
+        type: SyncEventType.catalogueImport,
         status: SyncStatus.synced,
+        createdAt: started,
         syncedAt: DateTime.now(),
-        attempts: 1,
+        summary: '${snapshot.products.length} products saved to SQLite '
-      );
+            '· ${snapshot.revision}',
-      final settled = SyncEvent(
-        id: done.id,
-        type: done.type,
-        status: done.status,
-        createdAt: done.createdAt,
-        summary: '${snapshot.products.length} products, '
-            '${snapshot.customers.length} customers · ${snapshot.revision}',
         payload: {
           'products': snapshot.products.length,
           'customers': snapshot.customers.length,
           'revision': snapshot.revision,
         },
-        syncedAt: done.syncedAt,
         attempts: 1,
       );
-      _store.updateEvent(settled);
+      _log(event);
-      return settled;
+      return event;
     } catch (e) {
-      final failed = event.copyWith(
+      final event = SyncEvent(
+        id: id,
+        type: SyncEventType.catalogueImport,
         status: SyncStatus.failed,
+        createdAt: started,
+        summary: 'Catalogue import failed',
         error: e.toString(),
         attempts: 1,
       );
-      _store.updateEvent(failed);
+      _log(event);
-      return failed;
+      return event;
     }
   }
 
+  // --------------------------------------------------- Business hours: read
   @override
-  ShiftReport buildShiftReport({
+  Future<int> unsyncedCount() => _store.orders.unsyncedCount();
-    required DateTime businessDate,
+
+  @override
+  Future<List<SaleTransaction>> unsyncedOrders() => _store.orders.unsynced();
+
+  @override
+  Future<ShiftReport> todayReport({
     required String terminalId,
     required String cashierName,
-  }) {
+  }) async {
+    final today = DateTime.now();
+    final orders = await _store.orders.forBusinessDate(today);
+
     return ShiftReport.fromTransactions(
-      transactions: _store.transactions,
+      transactions: orders,
-      businessDate: businessDate,
+      businessDate: today,
       terminalId: terminalId,
       cashierName: cashierName,
     );
   }
 
   @override
-  Future<SyncEvent> pushShiftReport(ShiftReport report) async {
+  Future<List<OrderSyncRow>> orderSyncRows({int limit = 200}) async {
-    // Queued first, so the data is durable before the network is touched.
+    final rows = await _store.orders.syncRows(limit: limit);
-    final queued = SyncEvent(
+    return rows
-      id: _uuid.v4(),
+        .map((r) => OrderSyncRow(
-      type: SyncEventType.shiftReport,
+              orderId: r['id']! as String,
-      status: SyncStatus.pending,
+              invoiceNumber: r['invoice_number']! as String,
-      createdAt: DateTime.now(),
+              total: (r['total']! as num).toDouble(),
-      summary: '${report.billCount} bills · '
+              createdAt:
-          '${Formatters.money(report.grossSales)} · '
+                  DateTime.fromMillisecondsSinceEpoch(r['created_at']! as int),
-          '${Formatters.date(report.businessDate)}',
+              isSynced: (r['sync_status']! as int) == OrderDao.synced,
-      payload: report.toPayload(),
+              syncedAt: r['synced_at'] == null
-    );
+                  ? null
-    _store.addEvent(queued);
+                  : DateTime.fromMillisecondsSinceEpoch(r['synced_at']! as int),
-
+              attempts: (r['sync_attempts'] as int?) ?? 0,
-    return _attempt(queued);
+              error: r['sync_error'] as String?,
+            ))
+        .toList();
   }
 
+  // ------------------------------------------------------ End of day: sync
   @override
-  Future<SyncEvent> retry(String eventId) async {
+  Future<SyncOutcome> syncOrders({
-    final matches = _store.events.where((e) => e.id == eventId).toList();
+    void Function(double progress, String stage)? onProgress,
-    if (matches.isEmpty) {
+  }) async {
-      throw StateError('No queued event with id $eventId');
+    onProgress?.call(0.05, 'Collecting unsynced bills…');
-    }
+
-    final event = matches.first;
+    final pending = await _store.orders.unsynced();
-    if (event.type == SyncEventType.catalogueImport) {
+    if (pending.isEmpty) {
-      return importCatalogue();
+      onProgress?.call(1, 'Nothing to upload');
-    }
+      return const SyncOutcome(attempted: 0, uploaded: 0);
-    return _attempt(event);
     }
 
-  /// Sends one event, leaving it queued if the push fails.
+    final started = DateTime.now();
-  Future<SyncEvent> _attempt(SyncEvent event) async {
+    final ids = pending.map((o) => o.id).toList();
-    _store.updateEvent(event.copyWith(status: SyncStatus.syncing));
+
+    onProgress?.call(0.35, 'Uploading ${pending.length} bills…');
 
     try {
-      await _reports.push(event.payload);
+      final accepted = await _orderSink.pushOrders(
-      final done = event.copyWith(
+        pending.map(_orderToPayload).toList(),
+      );
+
+      onProgress?.call(0.85, 'Marking bills as synced…');
+
+      // Only what the server confirmed is flipped to 1.
+      await _store.orders.markSynced(accepted);
+      await _store.refreshUnsyncedCount();
+
+      final rejected = ids.where((id) => !accepted.contains(id)).toList();
+      if (rejected.isNotEmpty) {
+        await _store.orders.markFailed(rejected, 'Rejected by server');
+      }
+
+      onProgress?.call(1, 'Done');
+
+      _log(SyncEvent(
+        id: _uuid.v4(),
+        type: SyncEventType.shiftReport,
         status: SyncStatus.synced,
+        createdAt: started,
         syncedAt: DateTime.now(),
-        attempts: event.attempts + 1,
+        summary: '${accepted.length} of ${pending.length} bills uploaded',
-        clearError: true,
+        attempts: 1,
-      );
+      ));
-      _store.updateEvent(done);
+
-      return done.copyWith();
+      return SyncOutcome(attempted: pending.length, uploaded: accepted.length);
     } catch (e) {
-      final failed = event.copyWith(
+      // Transport failed: record the attempt but leave every row at 0.
+      await _store.orders.markFailed(ids, e.toString());
+      await _store.refreshUnsyncedCount();
+
+      _log(SyncEvent(
+        id: _uuid.v4(),
+        type: SyncEventType.shiftReport,
         status: SyncStatus.failed,
+        createdAt: started,
+        summary: '${pending.length} bills still pending '
+            '(${Formatters.money(pending.fold<double>(0, (s, o) => s + o.total))})',
+        error: e.toString(),
+        attempts: 1,
+      ));
+
+      return SyncOutcome(
+        attempted: pending.length,
+        uploaded: 0,
         error: e.toString(),
-        attempts: event.attempts + 1,
       );
-      _store.updateEvent(failed);
-      return failed;
     }
   }
+
+  /// The JSON body sent per order.
+  Map<String, Object?> _orderToPayload(SaleTransaction t) => {
+        'id': t.id,
+        'invoice_number': t.invoiceNumber,
+        'created_at': t.createdAt.toIso8601String(),
+        'terminal_id': t.terminalId,
+        'cashier': t.cashierName,
+        'customer': t.customer == null
+            ? null
+            : {
+                'id': t.customer!.id,
+                'mobile': t.customer!.mobile,
+                'name': t.customer!.name,
+              },
+        'subtotal': t.cart.subtotal,
+        'discount': t.cart.billDiscountTotal + t.cart.lineDiscountTotal,
+        'tax': t.cart.taxAmount,
+        'round_off': t.cart.roundOff,
+        'total': t.total,
+        'points_earned': t.pointsEarned,
+        'points_redeemed': t.pointsRedeemed,
+        'payments': [
+          for (final p in t.payments)
+            {
+              'method': p.method.name,
+              'amount': p.amount,
+              'reference': p.reference,
+            },
+        ],
+        'items': [
+          for (final l in t.cart.lines)
+            {
+              'product_id': l.product.id,
+              'barcode': l.product.barcode,
+              'name': l.product.name,
+              'quantity': l.quantity,
+              'unit_price': l.product.price,
+              'discount': l.discountAmount,
+              'gst_rate': l.product.gstRate,
+              'tax': l.taxAmount,
+              'line_total': l.payable,
+            },
+        ],
+      };
 }

lib/data/repositories/transaction_repository_impl.dart

@@ -1,8 +1,8 @@
-import '../../core/utils/extensions.dart';
 import '../../domain/entities/transaction.dart';
 import '../../domain/repositories/transaction_repository.dart';
 import '../datasources/local_store.dart';
 
+/// All bill persistence goes straight to SQLite.
 class TransactionRepositoryImpl implements TransactionRepository {
   TransactionRepositoryImpl(this._store);
 
@@ -10,40 +10,33 @@ class TransactionRepositoryImpl implements TransactionRepository {
 
   @override
   Future<SaleTransaction> save(SaleTransaction transaction) async {
-    _store.addTransaction(transaction);
+    // Written with sync_status = 0; the end-of-day upload picks it up.
+    await _store.orders.insertOrder(transaction);
+    await _store.refreshUnsyncedCount();
     return transaction;
   }
 
   @override
-  Future<List<SaleTransaction>> history({int limit = 50}) async =>
+  Future<List<SaleTransaction>> history({int limit = 50}) =>
-      _store.transactions.take(limit).toList();
+      _store.orders.recent(limit: limit);
 
   @override
-  Future<SaleTransaction?> findByInvoice(String invoiceNumber) async =>
+  Future<SaleTransaction?> findByInvoice(String invoiceNumber) =>
-      _store.transactions
+      _store.orders.byInvoice(invoiceNumber);
-          .firstWhereOrNull((t) => t.invoiceNumber == invoiceNumber);
 
   @override
-  Future<int> nextInvoiceSequence() async => _store.nextInvoiceSequence();
+  Future<int> nextInvoiceSequence() => _store.catalogue.nextInvoiceSequence();
 
   @override
-  Future<void> park(ParkedBill bill) async => _store.addParked(bill);
+  Future<void> park(ParkedBill bill) => _store.orders.park(bill);
 
   @override
-  Future<List<ParkedBill>> parkedBills() async => _store.parked;
+  Future<List<ParkedBill>> parkedBills() => _store.orders.parkedBills();
 
   @override
-  Future<void> removeParked(String id) async => _store.removeParked(id);
+  Future<void> removeParked(String id) => _store.orders.removeParked(id);
 
   @override
-  Future<double> salesTotalForDay(DateTime day) async {
+  Future<double> salesTotalForDay(DateTime day) =>
-    return _store.transactions
+      _store.orders.salesTotalForDay(day);
-        .where((t) =>
-            t.status == TransactionStatus.completed &&
-            t.createdAt.year == day.year &&
-            t.createdAt.month == day.month &&
-            t.createdAt.day == day.day)
-        .fold(0.0, (sum, t) => sum + t.total)
-        .asMoney;
-  }
 }

lib/domain/repositories/sync_repository.dart

@@ -1,38 +1,79 @@
 import '../entities/shift_report.dart';
 import '../entities/sync_event.dart';
+import '../entities/transaction.dart';
 
-/// The terminal's two network touchpoints, plus the durable event log.
+/// Result of one end-of-day upload.
+class SyncOutcome {
+  const SyncOutcome({
+    required this.attempted,
+    required this.uploaded,
+    this.error,
+  });
+
+  final int attempted;
+  final int uploaded;
+  final String? error;
+
+  bool get isSuccess => error == null;
+  bool get hadNothingToDo => attempted == 0;
+  int get remaining => attempted - uploaded;
+}
+
+/// One row of the order sync log.
+class OrderSyncRow {
+  const OrderSyncRow({
+    required this.orderId,
+    required this.invoiceNumber,
+    required this.total,
+    required this.createdAt,
+    required this.isSynced,
+    this.syncedAt,
+    this.attempts = 0,
+    this.error,
+  });
+
+  final String orderId;
+  final String invoiceNumber;
+  final double total;
+  final DateTime createdAt;
+  final bool isSynced;
+  final DateTime? syncedAt;
+  final int attempts;
+  final String? error;
+}
+
+/// The terminal's two network touchpoints.
+///
+/// Morning: pull the catalogue. End of day: upload every order still at
+/// `sync_status = 0`. Nothing else leaves the device.
 abstract class SyncRepository {
-  /// True once products have been pulled onto this terminal.
   bool get hasCatalogue;
-
   DateTime? get lastImportAt;
   String? get catalogueRevision;
 
-  /// Pulls the catalogue and writes it locally.
+  /// Morning step — downloads products and writes them to SQLite.
-  ///
-  /// Records a [SyncEventType.catalogueImport] event whether or not it
-  /// succeeds, so the log reflects every attempt.
   Future<SyncEvent> importCatalogue({
     void Function(double progress, String stage)? onProgress,
   });
 
-  /// Builds the day's report from locally stored sales.
+  /// How many bills are still held locally.
-  ShiftReport buildShiftReport({
+  Future<int> unsyncedCount();
-    required DateTime businessDate,
+
+  Future<List<SaleTransaction>> unsyncedOrders();
+
+  /// Today's trading totals, read back from SQLite.
+  Future<ShiftReport> todayReport({
     required String terminalId,
     required String cashierName,
   });
 
-  /// Queues the report and attempts to push it.
+  /// End-of-day step — uploads pending orders and flips the accepted ones to
-  ///
+  /// `sync_status = 1`. Failures leave every row untouched at 0.
-  /// On failure the event is kept in [SyncStatus.failed] so nothing is lost.
+  Future<SyncOutcome> syncOrders({
-  Future<SyncEvent> pushShiftReport(ShiftReport report);
+    void Function(double progress, String stage)? onProgress,
+  });
 
-  /// Retries a previously failed or pending push.
+  Future<List<OrderSyncRow>> orderSyncRows({int limit = 200});
-  Future<SyncEvent> retry(String eventId);
 
   List<SyncEvent> get events;
-
-  bool get hasUnsyncedEvents;
 }

lib/main.dart

@@ -12,6 +12,8 @@ Future<void> main() async {
 
   await _configureChrome();
 
+  // Opens SQLite and loads the catalogue into memory. Any bill written on a
+  // previous run is still on disk and still counted as unsynced.
   await LocalStore.instance.init();
   await SoundService.instance.preload();
 

lib/presentation/auth/screens/login_screen.dart

@@ -44,7 +44,7 @@ class _LoginScreenState extends ConsumerState<LoginScreen> {
           password: _password.text,
         );
 
-    if (ok && mounted) context.go(AppRoutes.welcome);
+    if (ok && mounted) context.go(AppRoutes.pos);
   }
 
   @override

lib/presentation/customer/screens/customer_registration_screen.dart

@@ -1,321 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
-import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:go_router/go_router.dart';
-
-import '../../../app/providers.dart';
-import '../../../core/router/app_router.dart';
-import '../../../core/theme/app_colors.dart';
-import '../../../core/theme/app_dimens.dart';
-import '../../../core/utils/extensions.dart';
-import '../../../core/utils/formatters.dart';
-import '../../../core/utils/validators.dart';
-import '../../../core/widgets/glass_card.dart';
-import '../../../core/widgets/primary_button.dart';
-import '../../../domain/entities/customer.dart';
-import '../../pos/providers/cart_controller.dart';
-import '../providers/customer_providers.dart';
-
-/// Screen 2 — registers a shopper and drops straight into billing.
-class CustomerRegistrationScreen extends ConsumerStatefulWidget {
-  const CustomerRegistrationScreen({super.key, this.prefillMobile});
-
-  final String? prefillMobile;
-
-  @override
-  ConsumerState<CustomerRegistrationScreen> createState() =>
-      _CustomerRegistrationScreenState();
-}
-
-class _CustomerRegistrationScreenState
-    extends ConsumerState<CustomerRegistrationScreen> {
-  final _formKey = GlobalKey<FormState>();
-  late final TextEditingController _mobile;
-  final _name = TextEditingController();
-  final _email = TextEditingController();
-
-  Gender _gender = Gender.unspecified;
-  DateTime? _dob;
-  bool _saving = false;
-  String? _serverError;
-
-  @override
-  void initState() {
-    super.initState();
-    _mobile = TextEditingController(text: widget.prefillMobile ?? '');
-  }
-
-  @override
-  void dispose() {
-    _mobile.dispose();
-    _name.dispose();
-    _email.dispose();
-    super.dispose();
-  }
-
-  Future<void> _save() async {
-    setState(() => _serverError = null);
-    if (!(_formKey.currentState?.validate() ?? false)) return;
-
-    setState(() => _saving = true);
-    try {
-      final customer = await ref.read(customerRepositoryProvider).create(
-            Customer(
-              id: '',
-              name: _name.text,
-              mobile: _mobile.text,
-              email: _email.text,
-              gender: _gender,
-              dateOfBirth: _dob,
-            ),
-          );
-
-      ref.read(cartControllerProvider.notifier).attachCustomer(customer);
-      ref.invalidate(recentCustomersProvider);
-
-      if (!mounted) return;
-      context.go(AppRoutes.pos);
-    } catch (e) {
-      if (!mounted) return;
-      setState(() {
-        _saving = false;
-        _serverError = e is StateError ? e.message : 'Could not save customer.';
-      });
-    }
-  }
-
-  Future<void> _pickDob() async {
-    final now = DateTime.now();
-    final picked = await showDatePicker(
-      context: context,
-      initialDate: _dob ?? DateTime(now.year - 25),
-      firstDate: DateTime(now.year - 100),
-      lastDate: now,
-      helpText: 'Date of birth',
-    );
-    if (picked != null) setState(() => _dob = picked);
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: AppColors.background,
-      appBar: AppBar(
-        title: const Text('New Customer'),
-        leading: IconButton(
-          icon: const Icon(Icons.arrow_back_rounded),
-          onPressed: () => context.pop(),
-        ),
-      ),
-      body: Center(
-        child: SingleChildScrollView(
-          padding: const EdgeInsets.all(AppSpacing.xxl),
-          child: ConstrainedBox(
-            constraints: const BoxConstraints(maxWidth: 640),
-            child: GlassCard(
-              padding: const EdgeInsets.all(AppSpacing.xxxl),
-              radius: AppRadius.xl,
-              shadows: AppColors.shadowMd,
-              child: Form(
-                key: _formKey,
-                autovalidateMode: AutovalidateMode.onUserInteraction,
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    Text('Register a shopper',
-                        style: context.text.headlineSmall),
-                    const SizedBox(height: AppSpacing.xs),
-                    Text(
-                      'Only the mobile number and name are required.',
-                      style: context.text.bodySmall,
-                    ),
-                    const SizedBox(height: AppSpacing.xxl),
-
-                    _Field(
-                      label: 'Mobile Number',
-                      required: true,
-                      child: TextFormField(
-                        controller: _mobile,
-                        autofocus: true,
-                        keyboardType: TextInputType.phone,
-                        maxLength: 10,
-                        validator: Validators.mobile,
-                        inputFormatters: [
-                          FilteringTextInputFormatter.digitsOnly,
-                        ],
-                        decoration: const InputDecoration(
-                          hintText: '10-digit mobile number',
-                          prefixText: '+91  ',
-                          counterText: '',
-                          prefixIcon: Icon(Icons.phone_outlined),
-                        ),
-                      ),
-                    ),
-
-                    _Field(
-                      label: 'Customer Name',
-                      required: true,
-                      child: TextFormField(
-                        controller: _name,
-                        textCapitalization: TextCapitalization.words,
-                        validator: Validators.name,
-                        decoration: const InputDecoration(
-                          hintText: 'Full name',
-                          prefixIcon: Icon(Icons.person_outline_rounded),
-                        ),
-                      ),
-                    ),
-
-                    _Field(
-                      label: 'Email',
-                      child: TextFormField(
-                        controller: _email,
-                        keyboardType: TextInputType.emailAddress,
-                        validator: Validators.emailOptional,
-                        decoration: const InputDecoration(
-                          hintText: 'name@example.com',
-                          prefixIcon: Icon(Icons.mail_outline_rounded),
-                        ),
-                      ),
-                    ),
-
-                    _Field(
-                      label: 'Gender',
-                      child: Wrap(
-                        spacing: AppSpacing.sm,
-                        children: Gender.values
-                            .map((g) => ChoiceChip(
-                                  label: Text(g.label),
-                                  selected: _gender == g,
-                                  onSelected: (_) =>
-                                      setState(() => _gender = g),
-                                  labelStyle: TextStyle(
-                                    color: _gender == g
-                                        ? Colors.white
-                                        : AppColors.textSecondary,
-                                    fontWeight: FontWeight.w600,
-                                  ),
-                                ))
-                            .toList(),
-                      ),
-                    ),
-
-                    _Field(
-                      label: 'Date of Birth',
-                      child: InkWell(
-                        onTap: _pickDob,
-                        borderRadius: AppRadius.brMd,
-                        child: InputDecorator(
-                          decoration: const InputDecoration(
-                            prefixIcon: Icon(Icons.cake_outlined),
-                          ),
-                          child: Text(
-                            _dob == null
-                                ? 'Select a date (optional)'
-                                : Formatters.date(_dob!),
-                            style: TextStyle(
-                              color: _dob == null
-                                  ? AppColors.textTertiary
-                                  : AppColors.textPrimary,
-                              fontSize: 15,
-                            ),
-                          ),
-                        ),
-                      ),
-                    ),
-
-                    if (_serverError != null) ...[
-                      const SizedBox(height: AppSpacing.sm),
-                      Container(
-                        width: double.infinity,
-                        padding: const EdgeInsets.all(AppSpacing.md),
-                        decoration: BoxDecoration(
-                          color: AppColors.dangerSurface,
-                          borderRadius: AppRadius.brSm,
-                        ),
-                        child: Row(children: [
-                          const Icon(Icons.error_outline_rounded,
-                              color: AppColors.danger, size: 18),
-                          const SizedBox(width: AppSpacing.sm),
-                          Expanded(
-                            child: Text(
-                              _serverError!,
-                              style: const TextStyle(
-                                color: AppColors.danger,
-                                fontSize: 13.5,
-                              ),
-                            ),
-                          ),
-                        ]),
-                      ),
-                    ],
-
-                    const SizedBox(height: AppSpacing.xxl),
-                    Row(children: [
-                      Expanded(
-                        child: PrimaryButton(
-                          label: 'Cancel',
-                          tone: ButtonTone.neutral,
-                          onPressed:
-                              _saving ? null : () => context.pop(),
-                        ),
-                      ),
-                      const SizedBox(width: AppSpacing.md),
-                      Expanded(
-                        flex: 2,
-                        child: PrimaryButton(
-                          label: 'Save & Continue',
-                          icon: Icons.check_rounded,
-                          busy: _saving,
-                          onPressed: _save,
-                        ),
-                      ),
-                    ]),
-                  ],
-                ),
-              ),
-            ),
-          ),
-        ),
-      ),
-    );
-  }
-}
-
-class _Field extends StatelessWidget {
-  const _Field({
-    required this.label,
-    required this.child,
-    this.required = false,
-  });
-
-  final String label;
-  final Widget child;
-  final bool required;
-
-  @override
-  Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.only(bottom: AppSpacing.lg),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          Row(children: [
-            Text(label,
-                style: context.text.labelMedium
-                    ?.copyWith(color: AppColors.textSecondary)),
-            if (required)
-              const Text(' *',
-                  style: TextStyle(color: AppColors.danger, fontSize: 13)),
-            if (!required)
-              Text('  optional',
-                  style: context.text.labelSmall
-                      ?.copyWith(color: AppColors.textTertiary)),
-          ]),
-          const SizedBox(height: AppSpacing.sm),
-          child,
-        ],
-      ),
-    );
-  }
-}

lib/presentation/customer/screens/existing_customer_screen.dart

@@ -1,504 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_animate/flutter_animate.dart';
-import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:go_router/go_router.dart';
-
-import '../../../core/constants/app_constants.dart';
-import '../../../core/router/app_router.dart';
-import '../../../core/theme/app_colors.dart';
-import '../../../core/theme/app_dimens.dart';
-import '../../../core/utils/extensions.dart';
-import '../../../core/utils/formatters.dart';
-import '../../../core/widgets/empty_state.dart';
-import '../../../core/widgets/glass_card.dart';
-import '../../../core/widgets/numeric_keypad.dart';
-import '../../../core/widgets/primary_button.dart';
-import '../../../core/widgets/status_pill.dart';
-import '../../../domain/entities/customer.dart';
-import '../../pos/providers/cart_controller.dart';
-import '../providers/customer_providers.dart';
-
-/// Screen 3 — mobile lookup that auto-searches on the tenth digit.
-class ExistingCustomerScreen extends ConsumerStatefulWidget {
-  const ExistingCustomerScreen({super.key});
-
-  @override
-  ConsumerState<ExistingCustomerScreen> createState() =>
-      _ExistingCustomerScreenState();
-}
-
-class _ExistingCustomerScreenState
-    extends ConsumerState<ExistingCustomerScreen> {
-  String _digits = '';
-
-  void _append(String d) {
-    if (_digits.length >= AppConstants.mobileNumberLength) return;
-    setState(() => _digits += d);
-    if (_digits.length == AppConstants.mobileNumberLength) _search();
-  }
-
-  void _backspace() {
-    if (_digits.isEmpty) return;
-    setState(() => _digits = _digits.substring(0, _digits.length - 1));
-    ref.read(customerLookupProvider.notifier).reset();
-  }
-
-  void _clear() {
-    setState(() => _digits = '');
-    ref.read(customerLookupProvider.notifier).reset();
-  }
-
-  void _search() => ref.read(customerLookupProvider.notifier).search(_digits);
-
-  void _continueWith(Customer customer) {
-    ref.read(cartControllerProvider.notifier).attachCustomer(customer);
-    context.go(AppRoutes.pos);
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final lookup = ref.watch(customerLookupProvider);
-
-    return Scaffold(
-      backgroundColor: AppColors.background,
-      appBar: AppBar(
-        title: const Text('Find Customer'),
-        leading: IconButton(
-          icon: const Icon(Icons.arrow_back_rounded),
-          onPressed: () => context.pop(),
-        ),
-        actions: [
-          TextButton.icon(
-            onPressed: () {
-              ref.read(cartControllerProvider.notifier).attachCustomer(null);
-              context.go(AppRoutes.pos);
-            },
-            icon: const Icon(Icons.directions_walk_rounded,
-                color: Colors.white, size: 18),
-            label: const Text('Continue as Walk-in',
-                style: TextStyle(color: Colors.white)),
-          ),
-          const SizedBox(width: AppSpacing.lg),
-        ],
-      ),
-      body: Padding(
-        padding: const EdgeInsets.all(AppSpacing.xxl),
-        child: context.isCompact
-            ? SingleChildScrollView(
-                child: Column(children: [
-                  _entryPanel(),
-                  const SizedBox(height: AppSpacing.xxl),
-                  // Bound the height: the panel uses Expanded/Spacer
-                  // internally, which a scroll view cannot supply.
-                  SizedBox(height: 480, child: _resultPanel(lookup)),
-                ]),
-              )
-            : Row(
-                crossAxisAlignment: CrossAxisAlignment.stretch,
-                children: [
-                  Expanded(flex: 4, child: _entryPanel()),
-                  const SizedBox(width: AppSpacing.xxl),
-                  Expanded(flex: 5, child: _resultPanel(lookup)),
-                ],
-              ),
-      ),
-    );
-  }
-
-  Widget _entryPanel() {
-    return GlassCard(
-      padding: const EdgeInsets.all(AppSpacing.xxl),
-      radius: AppRadius.xl,
-      child: Column(
-        mainAxisSize: MainAxisSize.min,
-        crossAxisAlignment: CrossAxisAlignment.stretch,
-        children: [
-          Text('Mobile number', style: context.text.labelMedium),
-          const SizedBox(height: AppSpacing.md),
-          _display(),
-          const SizedBox(height: AppSpacing.xxl),
-          Center(
-            child: NumericKeypad(
-              onKey: _append,
-              onBackspace: _backspace,
-              onClear: _clear,
-              onSubmit:
-                  _digits.length == AppConstants.mobileNumberLength
-                      ? _search
-                      : null,
-              submitLabel: 'Search',
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-
-  /// Ten slots so the cashier can see progress at a glance.
-  Widget _display() {
-    return Container(
-      height: 72,
-      padding: const EdgeInsets.symmetric(horizontal: AppSpacing.lg),
-      decoration: BoxDecoration(
-        color: AppColors.primarySurface,
-        borderRadius: AppRadius.brLg,
-        border: Border.all(color: AppColors.primaryBorder),
-      ),
-      child: Row(children: [
-        const Text('+91',
-            style: TextStyle(
-              fontSize: 20,
-              fontWeight: FontWeight.w600,
-              color: AppColors.textSecondary,
-            )),
-        const SizedBox(width: AppSpacing.md),
-        Expanded(
-          child: Row(
-            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-            children: List.generate(
-              AppConstants.mobileNumberLength,
-              (i) {
-                final filled = i < _digits.length;
-                return AnimatedContainer(
-                  duration: AppMotion.fast,
-                  width: 22,
-                  alignment: Alignment.center,
-                  child: Text(
-                    filled ? _digits[i] : '–',
-                    style: TextStyle(
-                      fontSize: 24,
-                      fontWeight: FontWeight.w700,
-                      color: filled
-                          ? AppColors.textPrimary
-                          : AppColors.textTertiary.withValues(alpha: 0.5),
-                    ),
-                  ),
-                );
-              },
-            ),
-          ),
-        ),
-        if (_digits.isNotEmpty)
-          IconButton(
-            onPressed: _clear,
-            icon: const Icon(Icons.close_rounded, size: 20),
-            color: AppColors.textTertiary,
-            tooltip: 'Clear',
-          ),
-      ]),
-    );
-  }
-
-  Widget _resultPanel(CustomerLookupState state) {
-    return GlassCard(
-      padding: const EdgeInsets.all(AppSpacing.xxl),
-      radius: AppRadius.xl,
-      child: switch (state) {
-        LookupIdle() => _idle(),
-        LookupSearching() => const Center(
-            child: CircularProgressIndicator(color: AppColors.primary),
-          ),
-        LookupFound(:final customer) => _found(customer),
-        LookupNotFound(:final mobile) => _notFound(mobile),
-        LookupError(:final message) => EmptyState(
-            title: 'Something went wrong',
-            message: message,
-            emoji: '⚠️',
-          ),
-      },
-    );
-  }
-
-  Widget _idle() {
-    final recent = ref.watch(recentCustomersProvider);
-
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.stretch,
-      children: [
-        Text('Recent customers', style: context.text.titleMedium),
-        const SizedBox(height: AppSpacing.xs),
-        Text('Tap to select, or key in a mobile number.',
-            style: context.text.bodySmall),
-        const SizedBox(height: AppSpacing.lg),
-        Expanded(
-          child: recent.when(
-            loading: () => const Center(child: CircularProgressIndicator()),
-            error: (e, _) => EmptyState(
-              title: 'Could not load customers',
-              message: '$e',
-              emoji: '⚠️',
-              compact: true,
-            ),
-            data: (customers) => customers.isEmpty
-                ? const EmptyState(
-                    title: 'No customers yet',
-                    message: 'Register the first one from the welcome screen.',
-                    emoji: '👤',
-                    compact: true,
-                  )
-                : ListView.separated(
-                    itemCount: customers.length,
-                    separatorBuilder: (_, __) =>
-                        const SizedBox(height: AppSpacing.sm),
-                    itemBuilder: (_, i) => _RecentTile(
-                      customer: customers[i],
-                      onTap: () => _continueWith(customers[i]),
-                    ),
-                  ),
-          ),
-        ),
-      ],
-    );
-  }
-
-  Widget _found(Customer c) {
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.stretch,
-      children: [
-        Row(children: [
-          CircleAvatar(
-            radius: 30,
-            backgroundColor: AppColors.primarySurface,
-            child: Text(
-              Formatters.initials(c.name),
-              style: const TextStyle(
-                color: AppColors.primary,
-                fontSize: 22,
-                fontWeight: FontWeight.w700,
-              ),
-            ),
-          ),
-          const SizedBox(width: AppSpacing.lg),
-          Expanded(
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              children: [
-                Row(children: [
-                  Flexible(
-                    child: Text(c.name,
-                        style: context.text.headlineSmall,
-                        overflow: TextOverflow.ellipsis),
-                  ),
-                  const SizedBox(width: AppSpacing.sm),
-                  StatusPill.tier(c.tier),
-                ]),
-                const SizedBox(height: 2),
-                Text('+91 ${Formatters.mobile(c.mobile)}',
-                    style: context.text.bodyMedium
-                        ?.copyWith(color: AppColors.textSecondary)),
-              ],
-            ),
-          ),
-        ]),
-
-        if (c.isBirthdayToday) ...[
-          const SizedBox(height: AppSpacing.lg),
-          Container(
-            padding: const EdgeInsets.all(AppSpacing.md),
-            decoration: BoxDecoration(
-              color: AppColors.warningSurface,
-              borderRadius: AppRadius.brSm,
-            ),
-            child: const Row(children: [
-              Text('🎂', style: TextStyle(fontSize: 18)),
-              SizedBox(width: AppSpacing.sm),
-              Text("It's their birthday today — wish them!",
-                  style: TextStyle(
-                    color: AppColors.warning,
-                    fontWeight: FontWeight.w600,
-                  )),
-            ]),
-          ),
-        ],
-
-        const SizedBox(height: AppSpacing.xxl),
-        Row(children: [
-          Expanded(
-            child: _Stat(
-              label: 'Loyalty Points',
-              value: '${c.loyaltyPoints}',
-              caption: 'Worth ${Formatters.money(c.redeemableValue)}',
-              icon: Icons.stars_rounded,
-              color: AppColors.tierGold,
-            ),
-          ),
-          const SizedBox(width: AppSpacing.md),
-          Expanded(
-            child: _Stat(
-              label: 'Lifetime Spend',
-              value: Formatters.moneyCompact(c.lifetimeSpend),
-              caption: '${c.visitCount} visits',
-              icon: Icons.receipt_long_rounded,
-              color: AppColors.primary,
-            ),
-          ),
-        ]),
-
-        if (c.tier.discountRate > 0) ...[
-          const SizedBox(height: AppSpacing.md),
-          Container(
-            padding: const EdgeInsets.all(AppSpacing.md),
-            decoration: BoxDecoration(
-              color: AppColors.successSurface,
-              borderRadius: AppRadius.brSm,
-            ),
-            child: Row(children: [
-              const Icon(Icons.local_offer_rounded,
-                  color: AppColors.success, size: 18),
-              const SizedBox(width: AppSpacing.sm),
-              Expanded(
-                child: Text(
-                  '${c.tier.label} members get '
-                  '${Formatters.percent(c.tier.discountRate)} off '
-                  'automatically on every bill.',
-                  style: const TextStyle(
-                    color: AppColors.success,
-                    fontSize: 13,
-                    fontWeight: FontWeight.w600,
-                  ),
-                ),
-              ),
-            ]),
-          ),
-        ],
-
-        const Spacer(),
-        PrimaryButton(
-          label: 'Continue to Billing',
-          icon: Icons.point_of_sale_rounded,
-          large: true,
-          onPressed: () => _continueWith(c),
-        ),
-      ],
-    ).animate().fadeIn(duration: 200.ms);
-  }
-
-  Widget _notFound(String mobile) {
-    return Column(
-      children: [
-        Expanded(
-          child: EmptyState(
-            title: 'No customer found',
-            message: 'Nobody is registered against '
-                '+91 ${Formatters.mobile(mobile)}.',
-            emoji: '🔍',
-          ),
-        ),
-        PrimaryButton(
-          label: 'Register Customer',
-          icon: Icons.person_add_alt_1_rounded,
-          onPressed: () => context.push(
-            '${AppRoutes.registerCustomer}?mobile=$mobile',
-          ),
-        ),
-        const SizedBox(height: AppSpacing.md),
-        PrimaryButton(
-          label: 'Continue as Walk-in',
-          icon: Icons.directions_walk_rounded,
-          tone: ButtonTone.neutral,
-          onPressed: () {
-            ref.read(cartControllerProvider.notifier).attachCustomer(null);
-            context.go(AppRoutes.pos);
-          },
-        ),
-      ],
-    ).animate().fadeIn(duration: 200.ms);
-  }
-}
-
-class _RecentTile extends StatelessWidget {
-  const _RecentTile({required this.customer, required this.onTap});
-
-  final Customer customer;
-  final VoidCallback onTap;
-
-  @override
-  Widget build(BuildContext context) {
-    return Material(
-      color: AppColors.surfaceAlt,
-      borderRadius: AppRadius.brMd,
-      child: InkWell(
-        onTap: onTap,
-        borderRadius: AppRadius.brMd,
-        child: Padding(
-          padding: const EdgeInsets.all(AppSpacing.md),
-          child: Row(children: [
-            CircleAvatar(
-              radius: 18,
-              backgroundColor: AppColors.primarySurface,
-              child: Text(
-                Formatters.initials(customer.name),
-                style: const TextStyle(
-                  color: AppColors.primary,
-                  fontSize: 12,
-                  fontWeight: FontWeight.w700,
-                ),
-              ),
-            ),
-            const SizedBox(width: AppSpacing.md),
-            Expanded(
-              child: Column(
-                crossAxisAlignment: CrossAxisAlignment.start,
-                children: [
-                  Text(customer.name,
-                      style: context.text.titleSmall,
-                      overflow: TextOverflow.ellipsis),
-                  Text(Formatters.maskedMobile(customer.mobile),
-                      style: context.text.bodySmall),
-                ],
-              ),
-            ),
-            StatusPill.tier(customer.tier, dense: true),
-            const SizedBox(width: AppSpacing.sm),
-            const Icon(Icons.chevron_right_rounded,
-                color: AppColors.textTertiary),
-          ]),
-        ),
-      ),
-    );
-  }
-}
-
-class _Stat extends StatelessWidget {
-  const _Stat({
-    required this.label,
-    required this.value,
-    required this.caption,
-    required this.icon,
-    required this.color,
-  });
-
-  final String label;
-  final String value;
-  final String caption;
-  final IconData icon;
-  final Color color;
-
-  @override
-  Widget build(BuildContext context) {
-    return Container(
-      padding: const EdgeInsets.all(AppSpacing.lg),
-      decoration: BoxDecoration(
-        color: AppColors.surfaceAlt,
-        borderRadius: AppRadius.brMd,
-        border: Border.all(color: AppColors.border),
-      ),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          Row(children: [
-            Icon(icon, size: 16, color: color),
-            const SizedBox(width: AppSpacing.xs),
-            Text(label,
-                style: context.text.labelSmall
-                    ?.copyWith(color: AppColors.textSecondary)),
-          ]),
-          const SizedBox(height: AppSpacing.sm),
-          Text(value,
-              style: context.text.headlineSmall?.copyWith(color: color)),
-          Text(caption, style: context.text.bodySmall),
-        ],
-      ),
-    );
-  }
-}

lib/presentation/customer/widgets/customer_capture_sheet.dart

@@ -0,0 +1,561 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../../../app/providers.dart';
+import '../../../core/constants/app_constants.dart';
+import '../../../core/theme/app_colors.dart';
+import '../../../core/theme/app_dimens.dart';
+import '../../../core/utils/formatters.dart';
+import '../../../core/widgets/numeric_keypad.dart';
+import '../../../core/widgets/primary_button.dart';
+import '../../../core/widgets/status_pill.dart';
+import '../../../domain/entities/customer.dart';
+import '../../pos/providers/cart_controller.dart';
+import '../providers/customer_providers.dart';
+
+/// Attaches a customer to the current bill using nothing but a mobile number.
+///
+/// Registration is deliberately minimal: an unknown number can be saved with
+/// just a name, or the whole step skipped. Nothing here blocks the sale.
+Future<void> showCustomerCaptureSheet(BuildContext context) {
+  return showModalBottomSheet<void>(
+    context: context,
+    isScrollControlled: true,
+    backgroundColor: Colors.transparent,
+    builder: (_) => const _CustomerCaptureSheet(),
+  );
+}
+
+class _CustomerCaptureSheet extends ConsumerStatefulWidget {
+  const _CustomerCaptureSheet();
+
+  @override
+  ConsumerState<_CustomerCaptureSheet> createState() =>
+      _CustomerCaptureSheetState();
+}
+
+class _CustomerCaptureSheetState
+    extends ConsumerState<_CustomerCaptureSheet> {
+  String _digits = '';
+  final _name = TextEditingController();
+  bool _saving = false;
+  String? _error;
+
+  @override
+  void dispose() {
+    _name.dispose();
+    super.dispose();
+  }
+
+  void _append(String d) {
+    if (_digits.length >= AppConstants.mobileNumberLength) return;
+    setState(() {
+      _digits += d;
+      _error = null;
+    });
+    if (_digits.length == AppConstants.mobileNumberLength) {
+      ref.read(customerLookupProvider.notifier).search(_digits);
+    }
+  }
+
+  void _backspace() {
+    if (_digits.isEmpty) return;
+    setState(() => _digits = _digits.substring(0, _digits.length - 1));
+    ref.read(customerLookupProvider.notifier).reset();
+  }
+
+  void _clear() {
+    setState(() {
+      _digits = '';
+      _error = null;
+    });
+    ref.read(customerLookupProvider.notifier).reset();
+  }
+
+  void _attachAndClose(Customer? customer) {
+    ref.read(cartControllerProvider.notifier).attachCustomer(customer);
+    Navigator.of(context).pop();
+  }
+
+  Future<void> _quickRegister() async {
+    final name = _name.text.trim();
+    if (name.length < 2) {
+      setState(() => _error = 'Enter a name to save this customer');
+      return;
+    }
+
+    setState(() {
+      _saving = true;
+      _error = null;
+    });
+
+    try {
+      final created = await ref.read(customerRepositoryProvider).create(
+            Customer(id: '', name: name, mobile: _digits),
+          );
+      ref.invalidate(recentCustomersProvider);
+      if (mounted) _attachAndClose(created);
+    } catch (e) {
+      if (!mounted) return;
+      setState(() {
+        _saving = false;
+        _error = e is StateError ? e.message : 'Could not save customer.';
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final lookup = ref.watch(customerLookupProvider);
+    final attached = ref.watch(
+      cartControllerProvider.select((c) => c.customer),
+    );
+
+    return Padding(
+      padding: EdgeInsets.only(bottom: MediaQuery.viewInsetsOf(context).bottom),
+      child: Container(
+        constraints: BoxConstraints(
+          maxHeight: MediaQuery.sizeOf(context).height * 0.9,
+        ),
+        decoration: const BoxDecoration(
+          color: AppColors.surface,
+          borderRadius:
+              BorderRadius.vertical(top: Radius.circular(AppRadius.xxl)),
+        ),
+        child: SafeArea(
+          top: false,
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              _grabber(),
+              _header(attached),
+              const Divider(height: 1),
+              Flexible(
+                child: SingleChildScrollView(
+                  padding: const EdgeInsets.all(AppSpacing.xxl),
+                  child: LayoutBuilder(
+                    builder: (context, constraints) {
+                      // Side by side once there is room for both columns.
+                      final wide = constraints.maxWidth >= 720;
+                      final entry = _entryColumn();
+                      final result = _resultColumn(lookup);
+
+                      if (!wide) {
+                        return Column(
+                          children: [
+                            entry,
+                            const SizedBox(height: AppSpacing.xl),
+                            result,
+                          ],
+                        );
+                      }
+                      return Row(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          Expanded(child: entry),
+                          const SizedBox(width: AppSpacing.xxl),
+                          Expanded(child: result),
+                        ],
+                      );
+                    },
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _grabber() => Container(
+        width: 40,
+        height: 4,
+        margin: const EdgeInsets.symmetric(vertical: AppSpacing.md),
+        decoration: BoxDecoration(
+          color: AppColors.border,
+          borderRadius: AppRadius.brPill,
+        ),
+      );
+
+  Widget _header(Customer? attached) => Padding(
+        padding: const EdgeInsets.fromLTRB(
+          AppSpacing.xxl,
+          0,
+          AppSpacing.md,
+          AppSpacing.lg,
+        ),
+        child: Row(
+          children: [
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Text(
+                    attached == null ? 'Add customer' : 'Change customer',
+                    overflow: TextOverflow.ellipsis,
+                    style: Theme.of(context).textTheme.titleLarge,
+                  ),
+                  const Text(
+                    'Optional — for loyalty points and tier discounts',
+                    overflow: TextOverflow.ellipsis,
+                    style: TextStyle(
+                      fontSize: 12.5,
+                      color: AppColors.textSecondary,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+            const SizedBox(width: AppSpacing.sm),
+            TextButton(
+              onPressed: () => _attachAndClose(null),
+              style: TextButton.styleFrom(
+                foregroundColor: AppColors.textSecondary,
+              ),
+              child: const Text('Skip'),
+            ),
+            IconButton(
+              onPressed: () => Navigator.of(context).pop(),
+              icon: const Icon(Icons.close_rounded),
+              tooltip: 'Close',
+            ),
+          ],
+        ),
+      );
+
+  Widget _entryColumn() => Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          _display(),
+          const SizedBox(height: AppSpacing.xl),
+          Center(
+            child: NumericKeypad(
+              maxWidth: 340,
+              onKey: _append,
+              onBackspace: _backspace,
+              onClear: _clear,
+            ),
+          ),
+        ],
+      );
+
+  Widget _display() => Container(
+        height: 68,
+        padding: const EdgeInsets.symmetric(horizontal: AppSpacing.lg),
+        decoration: BoxDecoration(
+          color: AppColors.primarySurface,
+          borderRadius: AppRadius.brLg,
+          border: Border.all(color: AppColors.primaryBorder),
+        ),
+        child: Row(
+          children: [
+            const Text(
+              '+91',
+              style: TextStyle(
+                fontSize: 18,
+                fontWeight: FontWeight.w600,
+                color: AppColors.textSecondary,
+              ),
+            ),
+            const SizedBox(width: AppSpacing.md),
+            // FittedBox guarantees ten digits fit at any sheet width.
+            Expanded(
+              child: FittedBox(
+                fit: BoxFit.scaleDown,
+                alignment: Alignment.centerLeft,
+                child: Text(
+                  _digits.isEmpty
+                      ? '– – – – – – – – – –'
+                      : _digits.split('').join(' '),
+                  style: TextStyle(
+                    fontSize: 24,
+                    fontWeight: FontWeight.w700,
+                    letterSpacing: 1,
+                    color: _digits.isEmpty
+                        ? AppColors.textTertiary
+                        : AppColors.textPrimary,
+                  ),
+                ),
+              ),
+            ),
+            if (_digits.isNotEmpty)
+              IconButton(
+                onPressed: _clear,
+                icon: const Icon(Icons.close_rounded, size: 20),
+                color: AppColors.textTertiary,
+                tooltip: 'Clear',
+              ),
+          ],
+        ),
+      );
+
+  Widget _resultColumn(CustomerLookupState state) => switch (state) {
+        LookupIdle() => _idle(),
+        LookupSearching() => const Padding(
+            padding: EdgeInsets.symmetric(vertical: AppSpacing.giant),
+            child: Center(
+              child: CircularProgressIndicator(color: AppColors.primary),
+            ),
+          ),
+        LookupFound(:final customer) => _found(customer),
+        LookupNotFound() => _notFound(),
+        LookupError(:final message) => _message(
+            Icons.error_outline_rounded,
+            AppColors.danger,
+            message,
+          ),
+      };
+
+  Widget _idle() {
+    final recent = ref.watch(recentCustomersProvider).value ?? const [];
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        _message(
+          Icons.dialpad_rounded,
+          AppColors.textTertiary,
+          'Key in a 10-digit mobile number. The lookup runs automatically.',
+        ),
+        if (recent.isNotEmpty) ...[
+          const SizedBox(height: AppSpacing.xl),
+          const Align(
+            alignment: Alignment.centerLeft,
+            child: Text(
+              'Recent',
+              style: TextStyle(
+                fontSize: 12.5,
+                fontWeight: FontWeight.w600,
+                color: AppColors.textSecondary,
+              ),
+            ),
+          ),
+          const SizedBox(height: AppSpacing.sm),
+          Wrap(
+            spacing: AppSpacing.sm,
+            runSpacing: AppSpacing.sm,
+            children: [
+              for (final c in recent.take(4))
+                ActionChip(
+                  avatar: CircleAvatar(
+                    radius: 11,
+                    backgroundColor: AppColors.primarySurface,
+                    child: Text(
+                      Formatters.initials(c.name),
+                      style: const TextStyle(
+                        fontSize: 9,
+                        fontWeight: FontWeight.w700,
+                        color: AppColors.primary,
+                      ),
+                    ),
+                  ),
+                  label: Text(
+                    c.name,
+                    overflow: TextOverflow.ellipsis,
+                    style: const TextStyle(fontSize: 12.5),
+                  ),
+                  onPressed: () => _attachAndClose(c),
+                ),
+            ],
+          ),
+        ],
+      ],
+    );
+  }
+
+  Widget _found(Customer c) => Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Container(
+            padding: const EdgeInsets.all(AppSpacing.lg),
+            decoration: BoxDecoration(
+              color: AppColors.successSurface,
+              borderRadius: AppRadius.brLg,
+            ),
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Row(
+                  children: [
+                    CircleAvatar(
+                      radius: 22,
+                      backgroundColor: AppColors.surface,
+                      child: Text(
+                        Formatters.initials(c.name),
+                        style: const TextStyle(
+                          color: AppColors.primary,
+                          fontSize: 15,
+                          fontWeight: FontWeight.w700,
+                        ),
+                      ),
+                    ),
+                    const SizedBox(width: AppSpacing.md),
+                    Expanded(
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          Text(
+                            c.name,
+                            overflow: TextOverflow.ellipsis,
+                            style: const TextStyle(
+                              fontSize: 16,
+                              fontWeight: FontWeight.w600,
+                            ),
+                          ),
+                          Text(
+                            Formatters.mobile(c.mobile),
+                            overflow: TextOverflow.ellipsis,
+                            style: const TextStyle(
+                              fontSize: 12.5,
+                              color: AppColors.textSecondary,
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                    const SizedBox(width: AppSpacing.sm),
+                    StatusPill.tier(c.tier, dense: true),
+                  ],
+                ),
+                const SizedBox(height: AppSpacing.md),
+                Row(
+                  children: [
+                    Expanded(
+                      child: _miniStat(
+                          '${c.loyaltyPoints}', 'points held'),
+                    ),
+                    Expanded(
+                      child: _miniStat(
+                        Formatters.money(c.redeemableValue),
+                        'redeemable',
+                      ),
+                    ),
+                    if (c.tier.discountRate > 0)
+                      Expanded(
+                        child: _miniStat(
+                          Formatters.percent(c.tier.discountRate),
+                          'auto discount',
+                        ),
+                      ),
+                  ],
+                ),
+              ],
+            ),
+          ),
+          const SizedBox(height: AppSpacing.lg),
+          PrimaryButton(
+            label: 'Use this customer',
+            icon: Icons.check_rounded,
+            large: true,
+            onPressed: () => _attachAndClose(c),
+          ),
+        ],
+      );
+
+  Widget _notFound() => Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          _message(
+            Icons.person_search_rounded,
+            AppColors.warning,
+            'Not registered yet. Add a name to save them, or carry on '
+            'without.',
+          ),
+          const SizedBox(height: AppSpacing.lg),
+          TextField(
+            controller: _name,
+            textCapitalization: TextCapitalization.words,
+            enabled: !_saving,
+            onSubmitted: (_) => _quickRegister(),
+            inputFormatters: [LengthLimitingTextInputFormatter(60)],
+            decoration: const InputDecoration(
+              labelText: 'Customer name',
+              hintText: 'Full name',
+              prefixIcon: Icon(Icons.person_outline_rounded),
+            ),
+          ),
+          if (_error != null) ...[
+            const SizedBox(height: AppSpacing.sm),
+            Text(
+              _error!,
+              style: const TextStyle(color: AppColors.danger, fontSize: 12.5),
+            ),
+          ],
+          const SizedBox(height: AppSpacing.lg),
+          PrimaryButton(
+            label: 'Save & use',
+            icon: Icons.person_add_alt_1_rounded,
+            large: true,
+            busy: _saving,
+            onPressed: _quickRegister,
+          ),
+          const SizedBox(height: AppSpacing.sm),
+          PrimaryButton(
+            label: 'Continue without customer',
+            tone: ButtonTone.neutral,
+            onPressed: _saving ? null : () => _attachAndClose(null),
+          ),
+        ],
+      );
+
+  Widget _miniStat(String value, String label) => Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          FittedBox(
+            fit: BoxFit.scaleDown,
+            alignment: Alignment.centerLeft,
+            child: Text(
+              value,
+              style: const TextStyle(
+                fontSize: 16,
+                fontWeight: FontWeight.w700,
+                color: AppColors.success,
+              ),
+            ),
+          ),
+          Text(
+            label,
+            overflow: TextOverflow.ellipsis,
+            style: const TextStyle(
+              fontSize: 11,
+              color: AppColors.textSecondary,
+            ),
+          ),
+        ],
+      );
+
+  Widget _message(IconData icon, Color color, String text) => Container(
+        padding: const EdgeInsets.all(AppSpacing.lg),
+        decoration: BoxDecoration(
+          color: AppColors.surfaceAlt,
+          borderRadius: AppRadius.brMd,
+          border: Border.all(color: AppColors.border),
+        ),
+        child: Row(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Icon(icon, size: 19, color: color),
+            const SizedBox(width: AppSpacing.md),
+            Expanded(
+              child: Text(
+                text,
+                style: const TextStyle(
+                  fontSize: 13,
+                  color: AppColors.textSecondary,
+                  height: 1.5,
+                ),
+              ),
+            ),
+          ],
+        ),
+      );
+}

lib/presentation/modules/screens/events_view.dart

@@ -5,27 +5,28 @@ import '../../../core/theme/app_colors.dart';
 import '../../../core/theme/app_dimens.dart';
 import '../../../core/utils/formatters.dart';
 import '../../../core/widgets/primary_button.dart';
-import '../../../domain/entities/sync_event.dart';
 import '../../../domain/entities/transaction.dart';
+import '../../../domain/repositories/sync_repository.dart';
 import '../../sync/providers/sync_controller.dart';
 import '../widgets/module_widgets.dart';
 
-/// The terminal's outbound half: what today produced, and what has been sent.
+/// End-of-day sync.
+///
+/// Shows what the terminal produced today and uploads every bill still at
+/// `sync_status = 0`. Accepted bills flip to 1; anything that fails stays at 0
+/// and is retried on the next tap.
 class EventsView extends ConsumerWidget {
   const EventsView({super.key});
 
-  static Color statusColor(SyncStatus s) => switch (s) {
-        SyncStatus.synced => AppColors.success,
-        SyncStatus.failed => AppColors.danger,
-        SyncStatus.syncing => AppColors.info,
-        SyncStatus.pending => AppColors.warning,
-      };
-
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final report = ref.watch(shiftReportProvider);
+    final report = ref.watch(todayReportProvider);
+    final pending = ref.watch(unsyncedCountProvider).value ?? 0;
+    final rows = ref.watch(orderSyncRowsProvider).value ?? const [];
+    final syncState = ref.watch(orderSyncProvider);
     final events = ref.watch(syncEventsProvider);
-    final pushing = ref.watch(reportPushProvider);
+
+    final r = report.value;
 
     return ModulePage(
       children: [
@@ -35,112 +36,110 @@ class EventsView extends ConsumerWidget {
           children: [
             StatTile(
               label: 'Bills Today',
-              value: '${report.billCount}',
+              value: '${r?.billCount ?? 0}',
               icon: Icons.receipt_long_rounded,
-              caption: report.firstBillAt == null
+              caption: r?.firstBillAt == null
                   ? 'no sales yet'
-                  : '${Formatters.time(report.firstBillAt!)} – '
+                  : '${Formatters.time(r!.firstBillAt!)} – '
-                      '${Formatters.time(report.lastBillAt!)}',
+                      '${Formatters.time(r.lastBillAt!)}',
             ),
             StatTile(
               label: 'Items Sold',
-              value: report.itemCount.toStringAsFixed(0),
+              value: (r?.itemCount ?? 0).toStringAsFixed(0),
               icon: Icons.shopping_basket_rounded,
               color: AppColors.info,
               caption: 'units across all bills',
             ),
             StatTile(
               label: "Today's Sales",
-              value: Formatters.money(report.grossSales),
+              value: Formatters.money(r?.grossSales ?? 0),
               icon: Icons.payments_rounded,
               color: AppColors.success,
               caption: 'gross takings',
             ),
             StatTile(
-              label: 'Average Basket',
+              label: 'Awaiting Sync',
-              value: Formatters.money(report.averageBasket),
+              value: '$pending',
-              icon: Icons.trending_up_rounded,
+              icon: Icons.cloud_off_rounded,
-              color: AppColors.tierGold,
+              color: pending > 0 ? AppColors.warning : AppColors.success,
-              caption: 'per bill',
+              caption: pending > 0
+                  ? 'held on this terminal'
+                  : 'everything uploaded',
             ),
           ],
         ),
         const SizedBox(height: AppSpacing.lg),
 
         PanelCard(
-          title: 'Shift report',
+          title: 'Upload bills to server',
-          subtitle: '${Formatters.date(report.businessDate)} · '
+          subtitle: r == null
-              '${report.cashierName} · ${report.terminalId}',
+              ? 'Reading today\u2019s trading from SQLite\u2026'
+              : '${Formatters.date(r.businessDate)} \u00b7 ${r.cashierName} '
+                  '\u00b7 ${r.terminalId}',
           action: TagChip(
-            report.isEmpty ? 'Nothing to send' : 'Ready to push',
+            pending > 0 ? '$pending pending' : 'All synced',
-            color: report.isEmpty ? AppColors.textSecondary : AppColors.warning,
+            color: pending > 0 ? AppColors.warning : AppColors.success,
           ),
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.stretch,
             mainAxisSize: MainAxisSize.min,
             children: [
-              _row('Bills', '${report.billCount}'),
+              if (r != null && !r.isEmpty) ...[
-              _row('Items sold', report.itemCount.toStringAsFixed(0)),
+                _row('Bills', '${r.billCount}'),
-              _row('Gross sales', Formatters.money(report.grossSales)),
+                _row('Items sold', r.itemCount.toStringAsFixed(0)),
-              _row('Net of tax', Formatters.money(report.netOfTax)),
+                _row('Gross sales', Formatters.money(r.grossSales)),
-              _row('GST collected', Formatters.money(report.taxCollected)),
+                _row('GST collected', Formatters.money(r.taxCollected)),
-              _row('Discount given', Formatters.money(report.discountGiven)),
+                _row('Discount given', Formatters.money(r.discountGiven)),
-              _row('Round off', Formatters.money(report.roundOff)),
+                _row('Average basket', Formatters.money(r.averageBasket)),
-              _row('Points issued', '${report.loyaltyPointsIssued}'),
+                if (r.paymentBreakdown.isNotEmpty) ...[
-              _row('Points redeemed', '${report.loyaltyPointsRedeemed}'),
-
-              if (report.paymentBreakdown.isNotEmpty) ...[
                   const Divider(height: AppSpacing.xxl),
-                const Align(
+                  for (final e in r.paymentBreakdown.entries)
-                  alignment: Alignment.centerLeft,
-                  child: Text(
-                    'By payment method',
-                    style: TextStyle(
-                      fontSize: 13,
-                      fontWeight: FontWeight.w600,
-                      color: AppColors.textSecondary,
-                    ),
-                  ),
-                ),
-                const SizedBox(height: AppSpacing.sm),
-                for (final e in report.paymentBreakdown.entries)
                     ProgressRow(
                       label: '${e.key.emoji}  ${e.key.label}',
                       value: Formatters.money(e.value),
-                    fraction: report.grossSales <= 0
+                      fraction:
-                        ? 0
+                          r.grossSales <= 0 ? 0 : e.value / r.grossSales,
-                        : e.value / report.grossSales,
                       color: _methodColor(e.key),
                     ),
                 ],
+                const SizedBox(height: AppSpacing.lg),
+              ],
+
+              if (syncState is SyncRunning) ...[
+                Text(
+                  syncState.stage,
+                  style: const TextStyle(
+                    fontSize: 13,
+                    color: AppColors.textSecondary,
+                  ),
+                ),
+                const SizedBox(height: AppSpacing.sm),
+                ClipRRect(
+                  borderRadius: AppRadius.brPill,
+                  child: LinearProgressIndicator(
+                    value: syncState.progress,
+                    minHeight: 8,
+                    backgroundColor: AppColors.divider,
+                    valueColor:
+                        const AlwaysStoppedAnimation<Color>(AppColors.primary),
+                  ),
+                ),
+                const SizedBox(height: AppSpacing.lg),
+              ],
+
+              if (syncState is SyncFinished)
+                _outcomeBanner(syncState.outcome),
 
-              const SizedBox(height: AppSpacing.xl),
               PrimaryButton(
-                label: 'Push report to server',
+                label: pending > 0
+                    ? 'Sync $pending bill${pending == 1 ? '' : 's'}'
+                    : 'Nothing to sync',
                 icon: Icons.cloud_upload_rounded,
                 large: true,
-                busy: pushing,
+                busy: syncState is SyncRunning,
-                onPressed: report.isEmpty
+                onPressed: pending == 0
                     ? null
-                    : () async {
+                    : () => ref.read(orderSyncProvider.notifier).run(),
-                        final event = await ref
-                            .read(reportPushProvider.notifier)
-                            .pushToday();
-                        if (!context.mounted) return;
-                        final ok = event.status == SyncStatus.synced;
-                        ScaffoldMessenger.of(context)
-                          ..hideCurrentSnackBar()
-                          ..showSnackBar(SnackBar(
-                            backgroundColor:
-                                ok ? AppColors.success : AppColors.danger,
-                            content: Text(
-                              ok
-                                  ? 'Shift report sent.'
-                                  : 'Push failed — the report is still saved '
-                                      'on this terminal.',
-                            ),
-                          ));
-                      },
               ),
               const SizedBox(height: AppSpacing.md),
               const Row(
@@ -151,8 +150,9 @@ class EventsView extends ConsumerWidget {
                   SizedBox(width: AppSpacing.sm),
                   Expanded(
                     child: Text(
-                      'A failed push never discards data. The report stays '
+                      'Bills are written to SQLite the moment a sale '
-                      'queued below and can be retried at any time.',
+                      'completes. A failed upload changes nothing on disk — '
+                      'every bill stays until the server confirms it.',
                       style: TextStyle(
                         fontSize: 12,
                         color: AppColors.textTertiary,
@@ -168,25 +168,41 @@ class EventsView extends ConsumerWidget {
         const SizedBox(height: AppSpacing.lg),
 
         PanelCard(
-          title: 'Event log',
+          title: 'Orders',
-          subtitle: '${events.length} recorded · '
+          subtitle: '${rows.length} stored \u00b7 $pending awaiting upload',
-              '${events.where((e) => e.status != SyncStatus.synced).length} '
+          child: ResponsiveTable(
-              'outstanding',
+            columns: const [
-          child: events.isEmpty
+              TableCol('Invoice', flex: 3),
-              ? const Padding(
+              TableCol('Time', flex: 2, priority: 1),
-                  padding: EdgeInsets.symmetric(vertical: AppSpacing.lg),
+              TableCol('Total', flex: 2, numeric: true),
-                  child: Text(
+              TableCol('Sync', flex: 2, numeric: true),
-                    'No sync activity yet. Importing the catalogue or pushing '
+            ],
-                    'a report will appear here.',
+            rows: rows
-                    style: TextStyle(color: AppColors.textTertiary),
+                .map((o) => [
+                      Cell(o.invoiceNumber, bold: true, mono: true),
+                      Cell(Formatters.time(o.createdAt),
+                          color: AppColors.textTertiary),
+                      Cell(Formatters.money(o.total), mono: true, bold: true),
+                      TagChip(
+                        o.isSynced ? 'Synced' : 'Pending',
+                        color:
+                            o.isSynced ? AppColors.success : AppColors.warning,
                       ),
-                )
+                    ])
-              : ResponsiveTable(
+                .toList(),
+          ),
+        ),
+
+        if (events.isNotEmpty) ...[
+          const SizedBox(height: AppSpacing.lg),
+          PanelCard(
+            title: 'Sync history',
+            subtitle: 'This session',
+            child: ResponsiveTable(
               columns: const [
                 TableCol('Event', flex: 3),
                 TableCol('Detail', flex: 5, priority: 1),
-                    TableCol('Time', flex: 2, numeric: true, priority: 1),
+                TableCol('Time', flex: 2, numeric: true),
-                    TableCol('Status', flex: 2, numeric: true),
               ],
               rows: events
                   .map((e) => [
@@ -212,17 +228,50 @@ class EventsView extends ConsumerWidget {
                         ),
                         Cell(Formatters.time(e.createdAt),
                             color: AppColors.textTertiary),
-                            e.status == SyncStatus.failed
-                                ? _RetryButton(eventId: e.id)
-                                : TagChip(
-                                    e.status.label,
-                                    color: statusColor(e.status),
-                                  ),
                       ])
                   .toList(),
             ),
           ),
         ],
+      ],
+    );
+  }
+
+  Widget _outcomeBanner(SyncOutcome outcome) {
+    final ok = outcome.isSuccess;
+    final uploaded = outcome.uploaded;
+    final attempted = outcome.attempted;
+
+    return Container(
+      margin: const EdgeInsets.only(bottom: AppSpacing.lg),
+      padding: const EdgeInsets.all(AppSpacing.md),
+      decoration: BoxDecoration(
+        color: ok ? AppColors.successSurface : AppColors.dangerSurface,
+        borderRadius: AppRadius.brSm,
+      ),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Icon(
+            ok ? Icons.check_circle_outline_rounded : Icons.wifi_off_rounded,
+            size: 18,
+            color: ok ? AppColors.success : AppColors.danger,
+          ),
+          const SizedBox(width: AppSpacing.sm),
+          Expanded(
+            child: Text(
+              ok
+                  ? '$uploaded of $attempted bills uploaded and marked synced.'
+                  : '${outcome.error}',
+              style: TextStyle(
+                fontSize: 13,
+                height: 1.45,
+                color: ok ? AppColors.success : AppColors.danger,
+              ),
+            ),
+          ),
+        ],
+      ),
     );
   }
 
@@ -242,6 +291,7 @@ class EventsView extends ConsumerWidget {
             Expanded(
               child: Text(
                 label,
+                overflow: TextOverflow.ellipsis,
                 style: const TextStyle(
                   fontSize: 13.5,
                   color: AppColors.textSecondary,
@@ -254,34 +304,9 @@ class EventsView extends ConsumerWidget {
               style: const TextStyle(
                 fontSize: 13.5,
                 fontWeight: FontWeight.w600,
-                color: AppColors.textPrimary,
               ),
             ),
           ],
         ),
       );
 }
-
-class _RetryButton extends ConsumerWidget {
-  const _RetryButton({required this.eventId});
-
-  final String eventId;
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    final busy = ref.watch(reportPushProvider);
-
-    return TextButton.icon(
-      onPressed: busy
-          ? null
-          : () => ref.read(reportPushProvider.notifier).retry(eventId),
-      icon: const Icon(Icons.refresh_rounded, size: 15),
-      label: const Text('Retry', style: TextStyle(fontSize: 12.5)),
-      style: TextButton.styleFrom(
-        foregroundColor: AppColors.danger,
-        minimumSize: const Size(0, 30),
-        padding: const EdgeInsets.symmetric(horizontal: AppSpacing.sm),
-      ),
-    );
-  }
-}

lib/presentation/modules/screens/settings_view.dart

@@ -7,7 +7,6 @@ import '../../../core/theme/app_colors.dart';
 import '../../../core/theme/app_dimens.dart';
 import '../../../core/utils/formatters.dart';
 import '../../../domain/entities/store_account.dart';
-import '../../../domain/entities/sync_event.dart';
 import '../../auth/providers/auth_controller.dart';
 import '../../sync/providers/sync_controller.dart';
 import '../widgets/module_widgets.dart';
@@ -196,10 +195,7 @@ class _SettingsViewState extends ConsumerState<SettingsView> {
   Widget _connectivityCard() {
     final ready = ref.watch(catalogueReadyProvider);
     final lastImport = ref.watch(lastImportAtProvider);
-    final outstanding = ref
+    final outstanding = ref.watch(unsyncedCountProvider).value ?? 0;
-        .watch(syncEventsProvider)
-        .where((e) => e.status != SyncStatus.synced)
-        .length;
 
     return PanelCard(
       title: 'Connectivity & sync',
@@ -213,7 +209,7 @@ class _SettingsViewState extends ConsumerState<SettingsView> {
             'Last import',
             lastImport == null ? 'Never' : Formatters.dateTime(lastImport),
           ),
-          _row('Outstanding pushes', '$outstanding'),
+          _row('Unsynced bills', '$outstanding'),
           _toggle(
             'Simulate offline',
             'Forces import and push to fail, so you can confirm nothing is '
@@ -222,7 +218,7 @@ class _SettingsViewState extends ConsumerState<SettingsView> {
             (v) {
               setState(() => _offline = v);
               ref.read(remoteCatalogueProvider).simulateOffline = v;
-              ref.read(remoteReportSinkProvider).simulateOffline = v;
+              ref.read(remoteOrderSinkProvider).simulateOffline = v;
             },
           ),
         ],
@@ -237,7 +233,7 @@ class _SettingsViewState extends ConsumerState<SettingsView> {
           children: [
             _row('Application', '${AppConstants.appName} 1.0.0'),
             _row('Terminal', 'TERM-01'),
-            _row('Data store', 'Local — offline first'),
+            _row('Data store', 'SQLite (on device)'),
             const SizedBox(height: AppSpacing.md),
             SizedBox(
               width: double.infinity,
@@ -256,20 +252,24 @@ class _SettingsViewState extends ConsumerState<SettingsView> {
         child: Row(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            SizedBox(
+            Flexible(
-              width: 148,
+              flex: 3,
               child: Text(
                 label,
+                overflow: TextOverflow.ellipsis,
                 style: const TextStyle(
                   fontSize: 13,
                   color: AppColors.textSecondary,
                 ),
               ),
             ),
-            Expanded(
+            const SizedBox(width: AppSpacing.md),
+            Flexible(
+              flex: 4,
               child: Text(
                 value,
                 textAlign: TextAlign.right,
+                overflow: TextOverflow.ellipsis,
                 style: TextStyle(
                   fontSize: 13,
                   fontWeight: FontWeight.w600,

lib/presentation/payment/providers/payment_controller.dart

@@ -8,6 +8,7 @@ import '../../../domain/entities/transaction.dart';
 import '../../../domain/usecases/checkout_sale.dart';
 import '../../pos/providers/cart_controller.dart';
 import '../../pos/providers/catalog_providers.dart';
+import '../../sync/providers/sync_controller.dart';
 
 /// UI state for the payment screen.
 class PaymentState {
@@ -161,9 +162,11 @@ class PaymentController extends StateNotifier<PaymentState> {
       unawaited(receipts.openCashDrawer());
       unawaited(_ref.read(soundServiceProvider).saleComplete());
 
-      // Stock changed, so the grid must refresh.
+      // Stock changed, so the grid must refresh; the new order changes the
+      // unsynced tally and today's totals.
       _ref.invalidate(allProductsProvider);
       _ref.invalidate(visibleProductsProvider);
+      _ref.read(orderVersionProvider.notifier).state++;
 
       return result;
     } on CheckoutFailure catch (e) {

lib/presentation/payment/screens/payment_screen.dart

@@ -7,18 +7,26 @@ import '../../../core/router/app_router.dart';
 import '../../../core/theme/app_colors.dart';
 import '../../../core/theme/app_dimens.dart';
 import '../../../core/theme/app_typography.dart';
-import '../../../core/utils/extensions.dart';
 import '../../../core/utils/formatters.dart';
 import '../../../core/widgets/glass_card.dart';
 import '../../../core/widgets/numeric_keypad.dart';
 import '../../../core/widgets/primary_button.dart';
+import '../../../core/widgets/status_pill.dart';
 import '../../../domain/entities/transaction.dart';
+import '../../customer/widgets/customer_capture_sheet.dart';
 import '../../pos/providers/cart_controller.dart';
 import '../providers/payment_controller.dart';
 
+/// Tender capture and sale completion.
+///
+/// Customer identification happens here rather than at the start of the sale:
+/// a mobile number is all that is asked for, and the step can be skipped.
 class PaymentScreen extends ConsumerStatefulWidget {
   const PaymentScreen({super.key});
 
+  /// Below this the two columns stack into one scrolling page.
+  static const double twoColumnAbove = 1080;
+
   @override
   ConsumerState<PaymentScreen> createState() => _PaymentScreenState();
 }
@@ -27,8 +35,9 @@ class _PaymentScreenState extends ConsumerState<PaymentScreen> {
   String _cashBuffer = '';
 
   void _syncCash() {
-    final value = double.tryParse(_cashBuffer) ?? 0;
+    ref
-    ref.read(paymentControllerProvider.notifier).setCashTendered(value);
+        .read(paymentControllerProvider.notifier)
+        .setCashTendered(double.tryParse(_cashBuffer) ?? 0);
   }
 
   void _appendCash(String d) {
@@ -40,7 +49,8 @@ class _PaymentScreenState extends ConsumerState<PaymentScreen> {
 
   void _backspaceCash() {
     if (_cashBuffer.isEmpty) return;
-    setState(() => _cashBuffer = _cashBuffer.substring(0, _cashBuffer.length - 1));
+    setState(
+        () => _cashBuffer = _cashBuffer.substring(0, _cashBuffer.length - 1));
     _syncCash();
   }
 
@@ -53,7 +63,6 @@ class _PaymentScreenState extends ConsumerState<PaymentScreen> {
     final result = await ref.read(paymentControllerProvider.notifier).confirm();
     if (result == null || !mounted) return;
 
-    // Sale is banked — clear the terminal and show the receipt.
     ref.read(cartControllerProvider.notifier).reset();
     context.go(AppRoutes.receipt, extra: result.transaction);
   }
@@ -71,221 +80,321 @@ class _PaymentScreenState extends ConsumerState<PaymentScreen> {
         leading: IconButton(
           icon: const Icon(Icons.arrow_back_rounded),
           onPressed: () => context.pop(),
+          tooltip: 'Back to bill',
         ),
       ),
-      body: Padding(
+      body: LayoutBuilder(
-        padding: const EdgeInsets.all(AppSpacing.xxl),
+        builder: (context, constraints) {
-        child: context.isCompact
+          final twoColumn = constraints.maxWidth >= PaymentScreen.twoColumnAbove;
-            ? SingleChildScrollView(
+          final pad =
-                child: Column(children: [
+              constraints.maxWidth < 700 ? AppSpacing.lg : AppSpacing.xxl;
-                  _amountCard(controller, state),
+
-                  const SizedBox(height: AppSpacing.lg),
+          final left = Column(
-                  _methodsCard(controller, state),
-                  const SizedBox(height: AppSpacing.lg),
-                  _tenderCard(controller, state),
-                ]),
-              )
-            : Row(
             crossAxisAlignment: CrossAxisAlignment.stretch,
+            mainAxisSize: MainAxisSize.min,
             children: [
-                  Expanded(
+              _amountCard(controller, state, cart.grandTotal, cart.lineCount),
-                    flex: 4,
-                    child: Column(children: [
-                      _amountCard(controller, state),
-                      const SizedBox(height: AppSpacing.lg),
-                      Expanded(child: _methodsCard(controller, state)),
-                    ]),
-                  ),
-                  const SizedBox(width: AppSpacing.lg),
-                  Expanded(flex: 5, child: _tenderCard(controller, state)),
-                ],
-              ),
-      ),
-      bottomNavigationBar: SafeArea(
-        child: Padding(
-          padding: const EdgeInsets.fromLTRB(
-            AppSpacing.xxl,
-            0,
-            AppSpacing.xxl,
-            AppSpacing.xxl,
-          ),
-          child: Column(mainAxisSize: MainAxisSize.min, children: [
-            if (state.error != null) ...[
-              Container(
-                width: double.infinity,
-                padding: const EdgeInsets.all(AppSpacing.md),
-                margin: const EdgeInsets.only(bottom: AppSpacing.md),
-                decoration: BoxDecoration(
-                  color: AppColors.dangerSurface,
-                  borderRadius: AppRadius.brSm,
-                ),
-                child: Row(children: [
-                  const Icon(Icons.error_outline_rounded,
-                      color: AppColors.danger, size: 18),
-                  const SizedBox(width: AppSpacing.sm),
-                  Expanded(
-                    child: Text(state.error!,
-                        style: const TextStyle(color: AppColors.danger)),
-                  ),
-                ]),
-              ).animate().shake(duration: 300.ms, hz: 3),
-            ],
-            PrimaryButton(
-              label: 'Complete Sale',
-              icon: Icons.check_circle_outline_rounded,
-              large: true,
-              tone: ButtonTone.success,
-              busy: state.isProcessing,
-              onPressed: cart.isEmpty ? null : _confirm,
-              trailing: Text(
-                Formatters.money(cart.grandTotal),
-                style: AppTypography.money(21, color: Colors.white),
-              ),
-            ),
-          ]),
-        ),
-      ),
-    );
-  }
-
-  // ------------------------------------------------------------- Sections
-  Widget _amountCard(PaymentController controller, PaymentState state) {
-    final cart = ref.watch(cartControllerProvider);
-
-    return GlassCard(
-      padding: const EdgeInsets.all(AppSpacing.xxl),
-      radius: AppRadius.xl,
-      tinted: true,
-      child: Column(children: [
-        Text('Amount due', style: context.text.labelMedium),
-        const SizedBox(height: AppSpacing.xs),
-        Text(
-          Formatters.money(controller.balanceDue),
-          style: AppTypography.money(40, color: AppColors.primary),
-        ),
               const SizedBox(height: AppSpacing.md),
-        Row(mainAxisAlignment: MainAxisAlignment.center, children: [
+              _customerCard(),
-          _mini('Items', '${cart.lineCount}'),
+              const SizedBox(height: AppSpacing.md),
-          _dot(),
+              _methodsCard(controller, state),
-          _mini('Bill total', Formatters.money(cart.grandTotal)),
-          if (state.settled > 0) ...[
-            _dot(),
-            _mini('Settled', Formatters.money(state.settled)),
             ],
-        ]),
+          );
-      ]),
+
+          final right = _tenderCard(controller, state);
+
+          if (!twoColumn) {
+            return SingleChildScrollView(
+              padding: EdgeInsets.all(pad),
+              child: Column(
+                children: [left, const SizedBox(height: AppSpacing.md), right],
+              ),
             );
           }
 
-  Widget _methodsCard(PaymentController controller, PaymentState state) {
+          return Padding(
+            padding: EdgeInsets.all(pad),
+            child: Row(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Expanded(flex: 4, child: SingleChildScrollView(child: left)),
+                const SizedBox(width: AppSpacing.lg),
+                Expanded(flex: 5, child: SingleChildScrollView(child: right)),
+              ],
+            ),
+          );
+        },
+      ),
+      bottomNavigationBar: _bottomBar(cart.grandTotal, state, cart.isEmpty),
+    );
+  }
+
+  // ------------------------------------------------------------ Amount due
+  Widget _amountCard(
+    PaymentController controller,
+    PaymentState state,
+    double total,
+    int lineCount,
+  ) {
     return GlassCard(
       padding: const EdgeInsets.all(AppSpacing.xl),
       radius: AppRadius.xl,
+      tinted: true,
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          const Text(
+            'Amount due',
+            style: TextStyle(
+              fontSize: 12.5,
+              fontWeight: FontWeight.w600,
+              color: AppColors.textSecondary,
+              letterSpacing: 0.4,
+            ),
+          ),
+          const SizedBox(height: AppSpacing.xs),
+          // Scales instead of clipping when the amount runs long.
+          FittedBox(
+            fit: BoxFit.scaleDown,
+            child: Text(
+              Formatters.money(controller.balanceDue),
+              style: AppTypography.money(38, color: AppColors.primary),
+            ),
+          ),
+          const SizedBox(height: AppSpacing.md),
+          Wrap(
+            alignment: WrapAlignment.center,
+            spacing: AppSpacing.lg,
+            runSpacing: AppSpacing.xs,
+            children: [
+              _mini('Items', '$lineCount'),
+              _mini('Bill total', Formatters.money(total)),
+              if (state.settled > 0)
+                _mini('Settled', Formatters.money(state.settled)),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+
+  // -------------------------------------------------------------- Customer
+  Widget _customerCard() {
+    final cart = ref.watch(cartControllerProvider);
+    final customer = cart.customer;
+
+    return GlassCard(
+      padding: const EdgeInsets.all(AppSpacing.lg),
+      radius: AppRadius.xl,
+      onTap: () => showCustomerCaptureSheet(context),
+      child: Row(
+        children: [
+          CircleAvatar(
+            radius: 20,
+            backgroundColor: customer == null
+                ? AppColors.surfaceAlt
+                : AppColors.primarySurface,
+            child: customer == null
+                ? const Icon(Icons.person_add_alt_1_outlined,
+                    size: 19, color: AppColors.textSecondary)
+                : Text(
+                    Formatters.initials(customer.name),
+                    style: const TextStyle(
+                      color: AppColors.primary,
+                      fontSize: 13,
+                      fontWeight: FontWeight.w700,
+                    ),
+                  ),
+          ),
+          const SizedBox(width: AppSpacing.md),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Row(
+                  children: [
+                    Flexible(
+                      child: Text(
+                        customer?.name ?? 'Walk-in customer',
+                        overflow: TextOverflow.ellipsis,
+                        style: const TextStyle(
+                          fontSize: 15,
+                          fontWeight: FontWeight.w600,
+                        ),
+                      ),
+                    ),
+                    if (customer != null) ...[
+                      const SizedBox(width: AppSpacing.sm),
+                      StatusPill.tier(customer.tier, dense: true),
+                    ],
+                  ],
+                ),
+                const SizedBox(height: 1),
+                Text(
+                  customer == null
+                      ? 'Add a mobile number for loyalty — or skip'
+                      : '${Formatters.mobile(customer.mobile)}  ·  earns '
+                          '+${cart.pointsEarned} pts',
+                  overflow: TextOverflow.ellipsis,
+                  style: const TextStyle(
+                    fontSize: 12.5,
+                    color: AppColors.textSecondary,
+                  ),
+                ),
+              ],
+            ),
+          ),
+          const SizedBox(width: AppSpacing.sm),
+          TextButton(
+            onPressed: () => showCustomerCaptureSheet(context),
+            style: TextButton.styleFrom(
+              minimumSize: const Size(0, 38),
+              padding: const EdgeInsets.symmetric(horizontal: AppSpacing.md),
+            ),
+            child: Text(customer == null ? 'Add' : 'Change'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // --------------------------------------------------------------- Methods
+  Widget _methodsCard(PaymentController controller, PaymentState state) {
+    return GlassCard(
+      padding: const EdgeInsets.all(AppSpacing.lg),
+      radius: AppRadius.xl,
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.stretch,
+        mainAxisSize: MainAxisSize.min,
         children: [
-          Text('Payment method', style: context.text.titleMedium),
+          const Text(
-          const SizedBox(height: AppSpacing.lg),
+            'Payment method',
+            style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600),
+          ),
+          const SizedBox(height: AppSpacing.md),
           Wrap(
-            spacing: AppSpacing.md,
+            spacing: AppSpacing.sm,
-            runSpacing: AppSpacing.md,
+            runSpacing: AppSpacing.sm,
-            children: PaymentMethod.values
+            children: [
-                .where((m) => m != PaymentMethod.loyalty)
+              for (final m in PaymentMethod.values)
-                .map((m) => _MethodTile(
+                if (m != PaymentMethod.loyalty)
+                  _MethodTile(
                     method: m,
                     selected: state.activeMethod == m,
                     onTap: () {
                       setState(() => _cashBuffer = '');
                       controller.selectMethod(m);
                     },
-                    ))
-                .toList(),
                   ),
-
+            ],
+          ),
           if (state.splits.isNotEmpty) ...[
-            const SizedBox(height: AppSpacing.xl),
+            const Divider(height: AppSpacing.xxl),
-            const Divider(),
+            Row(
-            const SizedBox(height: AppSpacing.md),
+              children: [
-            Row(children: [
+                const Expanded(
-              Text('Split tenders', style: context.text.titleSmall),
+                  child: Text(
-              const Spacer(),
+                    'Split tenders',
+                    style:
+                        TextStyle(fontSize: 13.5, fontWeight: FontWeight.w600),
+                  ),
+                ),
                 TextButton(
                   onPressed: controller.clearSplits,
                   style: TextButton.styleFrom(
-                    foregroundColor: AppColors.danger),
+                    foregroundColor: AppColors.danger,
-                child: const Text('Clear all'),
+                    minimumSize: const Size(0, 32),
                   ),
-            ]),
+                  child: const Text('Clear'),
-            const SizedBox(height: AppSpacing.sm),
+                ),
-            ...state.splits.asMap().entries.map((e) => Padding(
+              ],
-                  padding: const EdgeInsets.only(bottom: AppSpacing.sm),
+            ),
-                  child: Row(children: [
+            for (final e in state.splits.asMap().entries)
+              Padding(
+                padding: const EdgeInsets.only(bottom: AppSpacing.xs),
+                child: Row(
+                  children: [
                     Text(e.value.method.emoji,
-                        style: const TextStyle(fontSize: 16)),
+                        style: const TextStyle(fontSize: 15)),
                     const SizedBox(width: AppSpacing.sm),
-                    Expanded(child: Text(e.value.method.label)),
+                    Expanded(
+                      child: Text(
+                        e.value.method.label,
+                        overflow: TextOverflow.ellipsis,
+                        style: const TextStyle(fontSize: 13.5),
+                      ),
+                    ),
                     Text(Formatters.money(e.value.amount),
-                        style: AppTypography.money(14.5)),
+                        style: AppTypography.money(13.5)),
                     IconButton(
                       onPressed: () => controller.removeSplit(e.key),
-                      icon: const Icon(Icons.close_rounded, size: 17),
+                      icon: const Icon(Icons.close_rounded, size: 16),
                       color: AppColors.textTertiary,
                       constraints:
                           const BoxConstraints(minWidth: 30, minHeight: 30),
                       padding: EdgeInsets.zero,
+                      tooltip: 'Remove tender',
+                    ),
+                  ],
+                ),
               ),
-                  ]),
-                )),
           ],
         ],
       ),
     );
   }
 
+  // ---------------------------------------------------------------- Tender
   Widget _tenderCard(PaymentController controller, PaymentState state) {
-    final isCash = state.activeMethod.needsChange;
-
     return GlassCard(
-      padding: const EdgeInsets.all(AppSpacing.xl),
+      padding: const EdgeInsets.all(AppSpacing.lg),
       radius: AppRadius.xl,
-      child: isCash
+      child: state.activeMethod.needsChange
-          ? _cashTender(controller, state)
+          ? _cashTender(controller)
           : _referenceTender(controller, state),
     );
   }
 
-  Widget _cashTender(PaymentController controller, PaymentState state) {
+  Widget _cashTender(PaymentController controller) {
-    final change = controller.changeDue;
-
     return Column(
       crossAxisAlignment: CrossAxisAlignment.stretch,
+      mainAxisSize: MainAxisSize.min,
       children: [
-        Text('Cash received', style: context.text.titleMedium),
+        const Text(
+          'Cash received',
+          style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600),
+        ),
         const SizedBox(height: AppSpacing.md),
-
         Container(
           padding: const EdgeInsets.symmetric(
-            horizontal: AppSpacing.xl,
+            horizontal: AppSpacing.lg,
-            vertical: AppSpacing.lg,
+            vertical: AppSpacing.md,
           ),
           decoration: BoxDecoration(
             color: AppColors.surfaceAlt,
             borderRadius: AppRadius.brLg,
             border: Border.all(color: AppColors.border),
           ),
-          child: Row(children: [
+          child: Row(
+            children: [
               const Text('₹',
-                style: TextStyle(fontSize: 24, color: AppColors.textTertiary)),
+                  style:
+                      TextStyle(fontSize: 22, color: AppColors.textTertiary)),
               const SizedBox(width: AppSpacing.sm),
               Expanded(
+                child: FittedBox(
+                  fit: BoxFit.scaleDown,
+                  alignment: Alignment.centerLeft,
                   child: Text(
                     _cashBuffer.isEmpty ? '0' : _cashBuffer,
-                style: AppTypography.money(30),
+                    style: AppTypography.money(28),
                   ),
                 ),
-          ]),
               ),
-
+            ],
+          ),
+        ),
         const SizedBox(height: AppSpacing.md),
         Wrap(
           spacing: AppSpacing.sm,
@@ -296,58 +405,17 @@ class _PaymentScreenState extends ConsumerState<PaymentScreen> {
               label: const Text('Exact'),
               onPressed: () => _setCash(controller.balanceDue),
             ),
-            ...[50, 100, 200, 500, 2000].map(
+            for (final note in const [50, 100, 200, 500, 2000])
-              (note) => ActionChip(
+              ActionChip(
                 label: Text('₹$note'),
-                onPressed: () => _setCash(
+                onPressed: () =>
-                  (double.tryParse(_cashBuffer) ?? 0) + note,
+                    _setCash((double.tryParse(_cashBuffer) ?? 0) + note),
-                ),
-              ),
               ),
           ],
         ),
-
+        const SizedBox(height: AppSpacing.md),
-        const SizedBox(height: AppSpacing.lg),
+        _changeRow(controller.changeDue),
-
+        const SizedBox(height: AppSpacing.md),
-        AnimatedContainer(
-          duration: AppMotion.normal,
-          padding: const EdgeInsets.all(AppSpacing.lg),
-          decoration: BoxDecoration(
-            color: change > 0
-                ? AppColors.successSurface
-                : AppColors.surfaceAlt,
-            borderRadius: AppRadius.brMd,
-          ),
-          child: Row(children: [
-            Icon(
-              change > 0
-                  ? Icons.currency_exchange_rounded
-                  : Icons.info_outline_rounded,
-              size: 19,
-              color: change > 0 ? AppColors.success : AppColors.textTertiary,
-            ),
-            const SizedBox(width: AppSpacing.md),
-            Text(
-              'Change to return',
-              style: TextStyle(
-                fontWeight: FontWeight.w600,
-                color: change > 0
-                    ? AppColors.success
-                    : AppColors.textSecondary,
-              ),
-            ),
-            const Spacer(),
-            Text(
-              Formatters.money(change),
-              style: AppTypography.money(
-                22,
-                color: change > 0 ? AppColors.success : AppColors.textTertiary,
-              ),
-            ),
-          ]),
-        ),
-
-        const SizedBox(height: AppSpacing.lg),
         Center(
           child: NumericKeypad(
             allowDecimal: true,
@@ -356,61 +424,100 @@ class _PaymentScreenState extends ConsumerState<PaymentScreen> {
             onBackspace: _backspaceCash,
           ),
         ),
-
         const SizedBox(height: AppSpacing.md),
-        OutlinedButton.icon(
+        _splitButton(controller, amount: double.tryParse(_cashBuffer) ?? 0),
-          onPressed: controller.balanceDue > 0
+      ],
-              ? () {
-                  controller.addSplit(
-                    amount: (double.tryParse(_cashBuffer) ?? 0)
-                        .clamp(0, controller.balanceDue)
-                        .toDouble(),
     );
-                  setState(() => _cashBuffer = '');
   }
-              : null,
+
-          icon: const Icon(Icons.call_split_rounded, size: 17),
+  Widget _changeRow(double change) {
-          label: const Text('Add as split payment'),
+    final active = change > 0;
+    return AnimatedContainer(
+      duration: AppMotion.normal,
+      padding: const EdgeInsets.all(AppSpacing.md),
+      decoration: BoxDecoration(
+        color: active ? AppColors.successSurface : AppColors.surfaceAlt,
+        borderRadius: AppRadius.brMd,
+      ),
+      child: Row(
+        children: [
+          Icon(
+            active
+                ? Icons.currency_exchange_rounded
+                : Icons.info_outline_rounded,
+            size: 18,
+            color: active ? AppColors.success : AppColors.textTertiary,
+          ),
+          const SizedBox(width: AppSpacing.sm),
+          Expanded(
+            child: Text(
+              'Change to return',
+              overflow: TextOverflow.ellipsis,
+              style: TextStyle(
+                fontSize: 13.5,
+                fontWeight: FontWeight.w600,
+                color: active ? AppColors.success : AppColors.textSecondary,
+              ),
+            ),
+          ),
+          const SizedBox(width: AppSpacing.sm),
+          Text(
+            Formatters.money(change),
+            style: AppTypography.money(
+              20,
+              color: active ? AppColors.success : AppColors.textTertiary,
+            ),
           ),
         ],
+      ),
     );
   }
 
   Widget _referenceTender(PaymentController controller, PaymentState state) {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.stretch,
+      mainAxisSize: MainAxisSize.min,
       children: [
-        Row(children: [
+        Row(
-          Text(state.activeMethod.emoji, style: const TextStyle(fontSize: 22)),
+          children: [
+            Text(state.activeMethod.emoji,
+                style: const TextStyle(fontSize: 20)),
             const SizedBox(width: AppSpacing.sm),
-          Text('${state.activeMethod.label} payment',
+            Expanded(
-              style: context.text.titleMedium),
+              child: Text(
-        ]),
+                '${state.activeMethod.label} payment',
+                overflow: TextOverflow.ellipsis,
+                style:
+                    const TextStyle(fontSize: 15, fontWeight: FontWeight.w600),
+              ),
+            ),
+          ],
+        ),
         const SizedBox(height: AppSpacing.xxl),
-
         Center(
-          child: Column(children: [
+          child: Container(
-            Container(
+            width: 104,
-              width: 120,
+            height: 104,
-              height: 120,
             decoration: BoxDecoration(
               color: AppColors.primarySurface,
               borderRadius: AppRadius.brXl,
             ),
             alignment: Alignment.center,
             child: Text(state.activeMethod.emoji,
-                  style: const TextStyle(fontSize: 52)),
+                style: const TextStyle(fontSize: 46)),
+          ),
         ),
         const SizedBox(height: AppSpacing.lg),
         Text(
-              'Charge ${Formatters.money(controller.balanceDue)} '
+          'Charge ${Formatters.money(controller.balanceDue)} on the '
-              'on the ${state.activeMethod.label.toLowerCase()} terminal',
+          '${state.activeMethod.label.toLowerCase()} terminal',
           textAlign: TextAlign.center,
-              style: context.text.bodyMedium,
+          style: const TextStyle(
+            fontSize: 13.5,
+            color: AppColors.textSecondary,
+            height: 1.5,
           ),
-          ]),
         ),
-
         const SizedBox(height: AppSpacing.xxl),
         if (state.activeMethod.needsReference)
           TextField(
@@ -425,37 +532,103 @@ class _PaymentScreenState extends ConsumerState<PaymentScreen> {
               prefixIcon: const Icon(Icons.tag_rounded),
             ),
           ),
-
+        const SizedBox(height: AppSpacing.lg),
-        const SizedBox(height: AppSpacing.xxxl),
+        _splitButton(controller),
-        OutlinedButton.icon(
-          onPressed: controller.balanceDue > 0
-              ? () => controller.addSplit()
-              : null,
-          icon: const Icon(Icons.call_split_rounded, size: 17),
-          label: const Text('Add as split payment'),
-        ),
       ],
     );
   }
 
-  Widget _mini(String label, String value) => Column(children: [
+  Widget _splitButton(PaymentController controller, {double? amount}) {
-        Text(label,
+    return OutlinedButton.icon(
+      onPressed: controller.balanceDue > 0
+          ? () {
+              controller.addSplit(
+                amount: amount == null
+                    ? null
+                    : amount.clamp(0, controller.balanceDue).toDouble(),
+              );
+              setState(() => _cashBuffer = '');
+            }
+          : null,
+      icon: const Icon(Icons.call_split_rounded, size: 17),
+      label: const Text('Add as split payment'),
+      style: OutlinedButton.styleFrom(minimumSize: const Size(0, 44)),
+    );
+  }
+
+  // ------------------------------------------------------------ Bottom bar
+  Widget _bottomBar(double total, PaymentState state, bool cartEmpty) {
+    return SafeArea(
+      child: Container(
+        padding: const EdgeInsets.fromLTRB(
+          AppSpacing.xxl,
+          AppSpacing.md,
+          AppSpacing.xxl,
+          AppSpacing.lg,
+        ),
+        decoration: const BoxDecoration(
+          color: AppColors.surface,
+          border: Border(top: BorderSide(color: AppColors.border)),
+        ),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            if (state.error != null)
+              Container(
+                width: double.infinity,
+                padding: const EdgeInsets.all(AppSpacing.md),
+                margin: const EdgeInsets.only(bottom: AppSpacing.md),
+                decoration: BoxDecoration(
+                  color: AppColors.dangerSurface,
+                  borderRadius: AppRadius.brSm,
+                ),
+                child: Row(
+                  children: [
+                    const Icon(Icons.error_outline_rounded,
+                        color: AppColors.danger, size: 18),
+                    const SizedBox(width: AppSpacing.sm),
+                    Expanded(
+                      child: Text(
+                        state.error!,
+                        style: const TextStyle(
+                          color: AppColors.danger,
+                          fontSize: 13,
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ).animate().shake(duration: 300.ms, hz: 3),
+            PrimaryButton(
+              label: 'Complete Sale',
+              icon: Icons.check_circle_outline_rounded,
+              large: true,
+              tone: ButtonTone.success,
+              busy: state.isProcessing,
+              onPressed: cartEmpty ? null : _confirm,
+              trailing: Text(
+                Formatters.money(total),
+                style: AppTypography.money(19, color: Colors.white),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _mini(String label, String value) => Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            label,
             style: const TextStyle(
               fontSize: 11,
               color: AppColors.textSecondary,
-            )),
-        Text(value,
-            style: AppTypography.money(14, weight: FontWeight.w600)),
-      ]);
-
-  Widget _dot() => Container(
-        width: 3,
-        height: 3,
-        margin: const EdgeInsets.symmetric(horizontal: AppSpacing.lg),
-        decoration: const BoxDecoration(
-          color: AppColors.textTertiary,
-          shape: BoxShape.circle,
             ),
+          ),
+          Text(value, style: AppTypography.money(13.5)),
+        ],
       );
 }
 
@@ -480,10 +653,10 @@ class _MethodTile extends StatelessWidget {
         borderRadius: AppRadius.brMd,
         child: AnimatedContainer(
           duration: AppMotion.fast,
-          width: 118,
+          width: 104,
           padding: const EdgeInsets.symmetric(
-            horizontal: AppSpacing.md,
+            horizontal: AppSpacing.sm,
-            vertical: AppSpacing.lg,
+            vertical: AppSpacing.md,
           ),
           decoration: BoxDecoration(
             borderRadius: AppRadius.brMd,
@@ -491,19 +664,24 @@ class _MethodTile extends StatelessWidget {
               color: selected ? AppColors.primary : AppColors.border,
             ),
           ),
-          child: Column(children: [
+          child: Column(
-            Text(method.emoji, style: const TextStyle(fontSize: 24)),
+            mainAxisSize: MainAxisSize.min,
-            const SizedBox(height: AppSpacing.sm),
+            children: [
+              Text(method.emoji, style: const TextStyle(fontSize: 22)),
+              const SizedBox(height: AppSpacing.xs),
               Text(
                 method.label,
                 textAlign: TextAlign.center,
+                maxLines: 1,
+                overflow: TextOverflow.ellipsis,
                 style: TextStyle(
-                fontSize: 13,
+                  fontSize: 12.5,
                   fontWeight: FontWeight.w600,
                   color: selected ? Colors.white : AppColors.textPrimary,
                 ),
               ),
-          ]),
+            ],
+          ),
         ),
       ),
     );

lib/presentation/pos/widgets/app_sidebar.dart

@@ -7,7 +7,6 @@ import '../../../core/theme/app_dimens.dart';
 import '../../../core/theme/app_layout.dart';
 import '../../../core/theme/app_typography.dart';
 import '../../../core/utils/formatters.dart';
-import '../../../domain/entities/sync_event.dart';
 import '../../auth/providers/auth_controller.dart';
 import '../../sync/widgets/sign_out_dialog.dart';
 import '../providers/cart_controller.dart';
@@ -232,10 +231,7 @@ class _Section extends ConsumerWidget {
     final active = ref.watch(activeModuleProvider);
     final cartCount = ref.watch(cartItemCountProvider);
     final ready = ref.watch(catalogueReadyProvider);
-    final outstanding = ref
+    final outstanding = ref.watch(unsyncedCountProvider).value ?? 0;
-        .watch(syncEventsProvider)
-        .where((e) => e.status != SyncStatus.synced)
-        .length;
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,

lib/presentation/pos/widgets/billing_panel.dart

@@ -82,17 +82,24 @@ class _Header extends ConsumerWidget {
 
     return Padding(
       padding: const EdgeInsets.fromLTRB(
-        AppSpacing.xl,
         AppSpacing.lg,
         AppSpacing.md,
-        AppSpacing.lg,
+        AppSpacing.sm,
+        AppSpacing.md,
       ),
-      child: Row(children: [
+      child: Row(
-        Text('Cart', style: context.text.headlineSmall),
+        children: [
+          Flexible(
+            child: Text(
+              'Cart',
+              overflow: TextOverflow.ellipsis,
+              style: context.text.titleLarge,
+            ),
+          ),
+          if (cart.isNotEmpty) ...[
             const SizedBox(width: AppSpacing.sm),
-        if (cart.isNotEmpty)
             Container(
-            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
+              padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 2),
               decoration: BoxDecoration(
                 color: AppColors.primarySurface,
                 borderRadius: AppRadius.brPill,
@@ -101,42 +108,78 @@ class _Header extends ConsumerWidget {
                 '${cart.lineCount}',
                 style: const TextStyle(
                   color: AppColors.primary,
-                fontWeight: FontWeight.w800,
+                  fontWeight: FontWeight.w700,
-                fontSize: 13,
+                  fontSize: 12.5,
                 ),
               ),
             ),
+          ],
           const Spacer(),
+          // Icon-only actions: labelled buttons overflowed the 380px panel.
           if (controller.canUndo)
-          IconButton(
+            _IconAction(
+              icon: Icons.undo_rounded,
               tooltip: 'Undo (F8)',
-            onPressed: controller.undo,
-            icon: const Icon(Icons.undo_rounded, size: 19),
               color: AppColors.textSecondary,
+              onTap: controller.undo,
             ),
           if (cart.isNotEmpty) ...[
-          TextButton.icon(
+            _IconAction(
-            onPressed: () async {
+              icon: Icons.pause_circle_outline_rounded,
+              tooltip: 'Park bill',
+              color: AppColors.warning,
+              onTap: () async {
                 await controller.park();
                 ref.invalidate(parkedBillsProvider);
                 if (context.mounted) context.showSnack('Bill parked');
               },
-            icon: const Icon(Icons.pause_circle_outline_rounded, size: 17),
-            label: const Text('Park'),
-            style: TextButton.styleFrom(foregroundColor: AppColors.warning),
             ),
-          TextButton(
+            _IconAction(
-            onPressed: controller.clear,
+              icon: Icons.delete_outline_rounded,
-            style: TextButton.styleFrom(foregroundColor: AppColors.danger),
+              tooltip: 'Clear bill',
-            child: const Text('Clear'),
+              color: AppColors.danger,
+              onTap: controller.clear,
             ),
           ],
           if (inSheet)
-          IconButton(
+            _IconAction(
-            onPressed: () => Navigator.of(context).pop(),
+              icon: Icons.close_rounded,
-            icon: const Icon(Icons.close_rounded),
+              tooltip: 'Close',
+              color: AppColors.textSecondary,
+              onTap: () => Navigator.of(context).pop(),
+            ),
+        ],
+      ),
+    );
+  }
+}
+
+/// Compact square action used in the bill header.
+class _IconAction extends StatelessWidget {
+  const _IconAction({
+    required this.icon,
+    required this.tooltip,
+    required this.color,
+    required this.onTap,
+  });
+
+  final IconData icon;
+  final String tooltip;
+  final Color color;
+  final VoidCallback onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    return Tooltip(
+      message: tooltip,
+      child: IconButton(
+        onPressed: onTap,
+        icon: Icon(icon, size: 19),
+        color: color,
+        visualDensity: VisualDensity.compact,
+        constraints: const BoxConstraints(minWidth: 36, minHeight: 36),
+        padding: EdgeInsets.zero,
       ),
-      ]),
     );
   }
 }
@@ -305,11 +348,16 @@ class _Row extends StatelessWidget {
     return Padding(
       padding: const EdgeInsets.symmetric(vertical: AppSpacing.xs + 2),
       child: Row(children: [
-        Text(label,
+        Flexible(
+          child: Text(
+            label,
+            overflow: TextOverflow.ellipsis,
             style: const TextStyle(
               fontSize: 14,
               color: AppColors.textSecondary,
-            )),
+            ),
+          ),
+        ),
         if (hint != null) ...[
           const SizedBox(width: AppSpacing.xs),
           Text('($hint)',
@@ -318,6 +366,7 @@ class _Row extends StatelessWidget {
                 color: AppColors.textTertiary,
               )),
         ],
+        const SizedBox(width: AppSpacing.sm),
         const Spacer(),
         Text(
           value,

lib/presentation/pos/widgets/cart_fab.dart

@@ -22,6 +22,10 @@ class CartFab extends ConsumerWidget {
 
     return Padding(
       padding: const EdgeInsets.all(AppSpacing.lg),
+      child: ConstrainedBox(
+        constraints: BoxConstraints(
+          maxWidth: MediaQuery.sizeOf(context).width - AppSpacing.xxxl,
+        ),
         child: Material(
         color: AppColors.primary,
         borderRadius: AppRadius.brLg,
@@ -57,15 +61,18 @@ class CartFab extends ConsumerWidget {
                   ),
                 ),
                 const SizedBox(width: AppSpacing.md),
-                const Text(
+                const Flexible(
+                  child: Text(
                     'View bill',
+                    overflow: TextOverflow.ellipsis,
                     style: TextStyle(
                       color: Colors.white,
                       fontSize: 15,
                       fontWeight: FontWeight.w600,
                     ),
                   ),
-                const SizedBox(width: AppSpacing.xl),
+                ),
+                const SizedBox(width: AppSpacing.lg),
                 Text(
                   Formatters.money(cart.grandTotal),
                   style: AppTypography.money(19, color: Colors.white),
@@ -78,6 +85,7 @@ class CartFab extends ConsumerWidget {
           ),
         ),
         ),
+      ),
     ).animate().fadeIn(duration: 180.ms).slideY(begin: 0.3, end: 0);
   }
 }

lib/presentation/pos/widgets/customer_bar.dart

@@ -1,13 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:go_router/go_router.dart';
-
-import '../../../core/router/app_router.dart';
 import '../../../core/theme/app_colors.dart';
 import '../../../core/theme/app_dimens.dart';
 import '../../../core/utils/extensions.dart';
 import '../../../core/utils/formatters.dart';
 import '../../../core/widgets/status_pill.dart';
+import '../../customer/widgets/customer_capture_sheet.dart';
 import '../providers/cart_controller.dart';
 
 /// Strip above the product grid showing who the sale belongs to.
@@ -85,7 +83,7 @@ class CustomerBar extends ConsumerWidget {
           ),
         const SizedBox(width: AppSpacing.sm),
         OutlinedButton.icon(
-          onPressed: () => context.push(AppRoutes.existingCustomer),
+          onPressed: () => showCustomerCaptureSheet(context),
           icon: const Icon(Icons.sync_alt_rounded, size: 17),
           label: Text(customer == null ? 'Add Customer' : 'Change'),
           style: OutlinedButton.styleFrom(

lib/presentation/pos/widgets/discount_sheet.dart

@@ -137,12 +137,12 @@ class _DiscountSheetState extends State<_DiscountSheet> {
             segments: const [
               ButtonSegment(
                 value: DiscountType.percentage,
-                label: Text('Percentage'),
+                label: Text('Percent'),
                 icon: Icon(Icons.percent_rounded, size: 17),
               ),
               ButtonSegment(
                 value: DiscountType.flat,
-                label: Text('Flat amount'),
+                label: Text('Flat'),
                 icon: Icon(Icons.currency_rupee_rounded, size: 17),
               ),
             ],

lib/presentation/pos/widgets/page_header.dart

@@ -1,9 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:go_router/go_router.dart';
 
 import '../../../app/providers.dart';
-import '../../../core/router/app_router.dart';
 import '../../../core/theme/app_colors.dart';
 import '../../../core/theme/app_dimens.dart';
 import '../../../core/theme/app_layout.dart';
@@ -29,6 +27,8 @@ class PageHeader extends ConsumerWidget {
     final module = ref.watch(activeModuleProvider);
     final now = ref.watch(clockProvider).value ?? DateTime.now();
     final compact = layout.sidebarIsDrawer;
+    // Status chrome is the first thing dropped when width gets tight.
+    final showStatus = MediaQuery.sizeOf(context).width >= 1180;
 
     return Container(
       constraints: const BoxConstraints(minHeight: AppSizes.headerHeight),
@@ -75,7 +75,7 @@ class PageHeader extends ConsumerWidget {
 
           const Spacer(),
 
-          if (!compact) ...[
+          if (showStatus) ...[
             const _LivePill(),
             const SizedBox(width: AppSpacing.lg),
             Text(
@@ -250,7 +250,7 @@ class _ParkedBillsButton extends ConsumerWidget {
       builder: (_) => AlertDialog(
         title: const Text('Parked bills'),
         content: SizedBox(
-          width: 380,
+          width: (MediaQuery.sizeOf(context).width - 96).clamp(280.0, 380.0),
           child: ListView.separated(
             shrinkWrap: true,
             itemCount: parked.length,
@@ -297,7 +297,10 @@ class _NewSaleButton extends ConsumerWidget {
   Widget build(BuildContext context, WidgetRef ref) {
     void start() {
       ref.read(cartControllerProvider.notifier).reset();
-      context.go(AppRoutes.welcome);
+      ref.read(activeModuleProvider.notifier).state = PosModule.pos;
+      ScaffoldMessenger.of(context)
+        ..hideCurrentSnackBar()
+        ..showSnackBar(const SnackBar(content: Text('Started a new sale.')));
     }
 
     if (compact) {

lib/presentation/pos/widgets/product_card.dart

@@ -88,8 +88,11 @@ class _ProductCardState extends State<ProductCard> {
                       ),
                     ),
                     const SizedBox(height: AppSpacing.xs + 2),
-                    Row(
+                    // Scales down rather than overflowing on small tiles.
-                      mainAxisAlignment: MainAxisAlignment.center,
+                    FittedBox(
+                      fit: BoxFit.scaleDown,
+                      child: Row(
+                        mainAxisSize: MainAxisSize.min,
                         crossAxisAlignment: CrossAxisAlignment.end,
                         children: [
                         Text(
@@ -115,6 +118,7 @@ class _ProductCardState extends State<ProductCard> {
                           ],
                         ],
                       ),
+                    ),
                     const SizedBox(height: AppSpacing.xs),
                     Text(
                       disabled

lib/presentation/receipt/screens/receipt_screen.dart

@@ -58,7 +58,7 @@ class _ReceiptScreenState extends ConsumerState<ReceiptScreen> {
   void _newSale() {
     _timer?.cancel();
     ref.read(cartControllerProvider.notifier).reset();
-    if (mounted) context.go(AppRoutes.welcome);
+    if (mounted) context.go(AppRoutes.pos);
   }
 
   void _continueBilling() {

lib/presentation/sync/providers/sync_controller.dart

@@ -3,10 +3,28 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../../../app/providers.dart';
 import '../../../domain/entities/shift_report.dart';
 import '../../../domain/entities/sync_event.dart';
+import '../../../domain/repositories/sync_repository.dart';
 import '../../auth/providers/auth_controller.dart';
 import '../../pos/providers/catalog_providers.dart';
 
-/// Progress of a catalogue pull.
+/// Bumped after every import so catalogue-backed providers refetch.
+final catalogueVersionProvider = StateProvider<int>((ref) => 0);
+
+/// Bumped after every sale or sync so order-backed providers refetch.
+final orderVersionProvider = StateProvider<int>((ref) => 0);
+
+/// Whether products exist on this terminal. Billing is gated on it.
+final catalogueReadyProvider = Provider<bool>((ref) {
+  ref.watch(catalogueVersionProvider);
+  return ref.watch(syncRepositoryProvider).hasCatalogue;
+});
+
+final lastImportAtProvider = Provider<DateTime?>((ref) {
+  ref.watch(catalogueVersionProvider);
+  return ref.watch(syncRepositoryProvider).lastImportAt;
+});
+
+// ------------------------------------------------------- Morning: import
 sealed class ImportState {
   const ImportState();
 }
@@ -34,20 +52,6 @@ class ImportFailed extends ImportState {
   final String message;
 }
 
-/// Bumped after every successful import so catalogue providers refetch.
-final catalogueVersionProvider = StateProvider<int>((ref) => 0);
-
-/// Whether the terminal has products to sell. The POS is gated on this.
-final catalogueReadyProvider = Provider<bool>((ref) {
-  ref.watch(catalogueVersionProvider);
-  return ref.watch(syncRepositoryProvider).hasCatalogue;
-});
-
-final lastImportAtProvider = Provider<DateTime?>((ref) {
-  ref.watch(catalogueVersionProvider);
-  return ref.watch(syncRepositoryProvider).lastImportAt;
-});
-
 class CatalogueImportController extends StateNotifier<ImportState> {
   CatalogueImportController(this._ref) : super(const ImportIdle());
 
@@ -55,7 +59,6 @@ class CatalogueImportController extends StateNotifier<ImportState> {
 
   Future<bool> run() async {
     if (state is ImportRunning) return false;
-
     state = const ImportRunning(0, 'Starting…');
 
     final event = await _ref.read(syncRepositoryProvider).importCatalogue(
@@ -65,13 +68,11 @@ class CatalogueImportController extends StateNotifier<ImportState> {
         );
 
     if (event.status == SyncStatus.synced) {
-      // Force every catalogue-backed provider to refetch.
       _ref.read(catalogueVersionProvider.notifier).state++;
       _ref.invalidate(allProductsProvider);
       _ref.invalidate(visibleProductsProvider);
       _ref.invalidate(categoryCountsProvider);
       _ref.invalidate(lowStockProductsProvider);
-
       state = ImportDone(event);
       return true;
     }
@@ -79,8 +80,6 @@ class CatalogueImportController extends StateNotifier<ImportState> {
     state = ImportFailed(event.error ?? 'Import failed.');
     return false;
   }
-
-  void reset() => state = const ImportIdle();
 }
 
 final catalogueImportProvider =
@@ -88,69 +87,89 @@ final catalogueImportProvider =
   (ref) => CatalogueImportController(ref),
 );
 
-// ------------------------------------------------------------------ Events
+// ---------------------------------------------------- Business hours: read
-/// Bumped whenever the event log changes.
+/// Bills still held on this terminal at sync_status = 0.
-final syncVersionProvider = StateProvider<int>((ref) => 0);
+final unsyncedCountProvider = FutureProvider<int>((ref) {
-
+  ref.watch(orderVersionProvider);
-final syncEventsProvider = Provider<List<SyncEvent>>((ref) {
+  return ref.watch(syncRepositoryProvider).unsyncedCount();
-  ref.watch(syncVersionProvider);
-  ref.watch(catalogueVersionProvider);
-  return ref.watch(syncRepositoryProvider).events;
 });
 
-final hasUnsyncedProvider = Provider<bool>((ref) {
+/// Today's totals, read back from SQLite.
-  ref.watch(syncVersionProvider);
+final todayReportProvider = FutureProvider<ShiftReport>((ref) {
-  ref.watch(catalogueVersionProvider);
+  ref.watch(orderVersionProvider);
-  return ref.watch(syncRepositoryProvider).hasUnsyncedEvents;
-});
-
-/// Today's takings, recomputed from local sales on every change.
-final shiftReportProvider = Provider<ShiftReport>((ref) {
-  ref.watch(syncVersionProvider);
   final session = ref.watch(cashierSessionProvider);
   final user = ref.watch(currentUserProvider);
 
-  return ref.watch(syncRepositoryProvider).buildShiftReport(
+  return ref.watch(syncRepositoryProvider).todayReport(
-        businessDate: DateTime.now(),
         terminalId: session.terminalId,
         cashierName: user?.name ?? session.name,
       );
 });
 
-/// Drives the push button and the sign-out dialog.
+/// Per-order sync state for the events log.
-class ReportPushController extends StateNotifier<bool> {
+final orderSyncRowsProvider = FutureProvider<List<OrderSyncRow>>((ref) {
-  ReportPushController(this._ref) : super(false);
+  ref.watch(orderVersionProvider);
+  return ref.watch(syncRepositoryProvider).orderSyncRows();
+});
+
+final syncEventsProvider = Provider<List<SyncEvent>>((ref) {
+  ref.watch(orderVersionProvider);
+  ref.watch(catalogueVersionProvider);
+  return ref.watch(syncRepositoryProvider).events;
+});
+
+// ------------------------------------------------------ End of day: upload
+sealed class OrderSyncState {
+  const OrderSyncState();
+}
+
+class SyncIdle extends OrderSyncState {
+  const SyncIdle();
+}
+
+class SyncRunning extends OrderSyncState {
+  const SyncRunning(this.progress, this.stage);
+
+  final double progress;
+  final String stage;
+}
+
+class SyncFinished extends OrderSyncState {
+  const SyncFinished(this.outcome);
+
+  final SyncOutcome outcome;
+}
+
+class OrderSyncController extends StateNotifier<OrderSyncState> {
+  OrderSyncController(this._ref) : super(const SyncIdle());
 
   final Ref _ref;
 
-  /// Pushes today's report. Returns the resulting event so the caller can
+  bool get isRunning => state is SyncRunning;
-  /// tell the cashier whether it landed.
+
-  Future<SyncEvent> pushToday() async {
+  /// Uploads every bill at sync_status = 0 and flips the accepted ones to 1.
-    state = true;
+  Future<SyncOutcome> run() async {
-    try {
+    if (isRunning) {
-      final report = _ref.read(shiftReportProvider);
+      return const SyncOutcome(attempted: 0, uploaded: 0);
-      final event =
-          await _ref.read(syncRepositoryProvider).pushShiftReport(report);
-      _ref.read(syncVersionProvider.notifier).state++;
-      return event;
-    } finally {
-      if (mounted) state = false;
-    }
     }
 
-  Future<SyncEvent> retry(String eventId) async {
+    state = const SyncRunning(0, 'Starting…');
-    state = true;
-    try {
-      final event = await _ref.read(syncRepositoryProvider).retry(eventId);
-      _ref.read(syncVersionProvider.notifier).state++;
-      return event;
-    } finally {
-      if (mounted) state = false;
-    }
-  }
-}
 
-final reportPushProvider =
+    final outcome = await _ref.read(syncRepositoryProvider).syncOrders(
-    StateNotifierProvider<ReportPushController, bool>(
+          onProgress: (progress, stage) {
-  (ref) => ReportPushController(ref),
+            if (mounted) state = SyncRunning(progress, stage);
+          },
+        );
+
+    _ref.read(orderVersionProvider.notifier).state++;
+    if (mounted) state = SyncFinished(outcome);
+    return outcome;
+  }
+
+  void reset() => state = const SyncIdle();
+}
+
+final orderSyncProvider =
+    StateNotifierProvider<OrderSyncController, OrderSyncState>(
+  (ref) => OrderSyncController(ref),
 );

lib/presentation/sync/widgets/sign_out_dialog.dart

@@ -7,9 +7,9 @@ import '../../../core/theme/app_colors.dart';
 import '../../../core/theme/app_dimens.dart';
 import '../../../core/utils/formatters.dart';
 import '../../../core/widgets/primary_button.dart';
-import '../../../domain/entities/sync_event.dart';
 import '../../auth/providers/auth_controller.dart';
 import '../../pos/providers/cart_controller.dart';
+import '../../../domain/repositories/sync_repository.dart';
 import '../providers/sync_controller.dart';
 
 /// End-of-shift flow.
@@ -33,7 +33,7 @@ class _SignOutDialog extends ConsumerStatefulWidget {
 }
 
 class _SignOutDialogState extends ConsumerState<_SignOutDialog> {
-  SyncEvent? _result;
+  SyncOutcome? _result;
 
   void _finish() {
     ref.read(cartControllerProvider.notifier).reset();
@@ -43,12 +43,12 @@ class _SignOutDialogState extends ConsumerState<_SignOutDialog> {
   }
 
   Future<void> _pushThenFinish() async {
-    final event = await ref.read(reportPushProvider.notifier).pushToday();
+    final outcome = await ref.read(orderSyncProvider.notifier).run();
     if (!mounted) return;
 
-    setState(() => _result = event);
+    setState(() => _result = outcome);
 
-    if (event.status == SyncStatus.synced) {
+    if (outcome.isSuccess) {
       await Future<void>.delayed(const Duration(milliseconds: 700));
       if (mounted) _finish();
     }
@@ -56,10 +56,11 @@ class _SignOutDialogState extends ConsumerState<_SignOutDialog> {
 
   @override
   Widget build(BuildContext context) {
-    final report = ref.watch(shiftReportProvider);
+    final report = ref.watch(todayReportProvider).value;
+    final pending = ref.watch(unsyncedCountProvider).value ?? 0;
     final cart = ref.watch(cartControllerProvider);
-    final pushing = ref.watch(reportPushProvider);
+    final pushing = ref.watch(orderSyncProvider) is SyncRunning;
-    final failed = _result?.status == SyncStatus.failed;
+    final failed = _result != null && !_result!.isSuccess;
 
     return AlertDialog(
       title: const Text('End shift'),
@@ -70,7 +71,8 @@ class _SignOutDialogState extends ConsumerState<_SignOutDialog> {
         AppSpacing.sm,
       ),
       content: SizedBox(
-        width: 420,
+        // Never wider than the viewport allows.
+        width: (MediaQuery.sizeOf(context).width - 96).clamp(280.0, 420.0),
         child: SingleChildScrollView(
           child: Column(
             mainAxisSize: MainAxisSize.min,
@@ -85,17 +87,17 @@ class _SignOutDialogState extends ConsumerState<_SignOutDialog> {
                       'and will be cleared. Park it first if you need it.',
                 ),
 
-              if (report.isEmpty)
+              if (pending == 0)
                 const _Banner(
-                  icon: Icons.info_outline_rounded,
+                  icon: Icons.check_circle_outline_rounded,
-                  color: AppColors.textSecondary,
+                  color: AppColors.success,
-                  background: AppColors.surfaceAlt,
+                  background: AppColors.successSurface,
-                  message: 'No sales were recorded today, so there is nothing '
+                  message: 'Every bill has already been uploaded. Nothing is '
-                      'to push.',
+                      'waiting on this terminal.',
                 )
               else ...[
                 const Text(
-                  "Today's takings",
+                  'Waiting to upload',
                   style: TextStyle(
                     fontSize: 13,
                     fontWeight: FontWeight.w600,
@@ -103,12 +105,14 @@ class _SignOutDialogState extends ConsumerState<_SignOutDialog> {
                   ),
                 ),
                 const SizedBox(height: AppSpacing.sm),
-                _row('Bills', '${report.billCount}'),
+                _row('Bills pending sync', '$pending'),
+                if (report != null) ...[
+                  _row('Bills today', '${report.billCount}'),
                   _row('Items sold', report.itemCount.toStringAsFixed(0)),
                   _row('Gross sales', Formatters.money(report.grossSales)),
-                _row('GST collected', Formatters.money(report.taxCollected)),
+                  _row('GST collected',
-                _row('Average basket',
+                      Formatters.money(report.taxCollected)),
-                    Formatters.money(report.averageBasket)),
+                ],
               ],
 
               if (failed) ...[
@@ -118,7 +122,7 @@ class _SignOutDialogState extends ConsumerState<_SignOutDialog> {
                   color: AppColors.danger,
                   background: AppColors.dangerSurface,
                   message: _result?.error ??
-                      'The push failed. The report is still saved on this '
+                      'Upload failed. Every bill is still stored on this '
                           'terminal and can be retried from Events.',
                 ),
               ],
@@ -149,14 +153,14 @@ class _SignOutDialogState extends ConsumerState<_SignOutDialog> {
                 foregroundColor: AppColors.textSecondary,
               ),
               child: Text(
-                report.isEmpty ? 'Sign out' : 'Sign out without pushing',
+                pending == 0 ? 'Sign out' : 'Sign out without syncing',
               ),
             ),
-            if (!report.isEmpty)
+            if (pending > 0)
               SizedBox(
                 width: 190,
                 child: PrimaryButton(
-                  label: failed ? 'Retry push' : 'Push & sign out',
+                  label: failed ? 'Retry sync' : 'Sync & sign out',
                   icon: Icons.cloud_upload_rounded,
                   busy: pushing,
                   onPressed: _pushThenFinish,

lib/presentation/welcome/screens/welcome_screen.dart

@@ -1,337 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_animate/flutter_animate.dart';
-import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:go_router/go_router.dart';
-
-import '../../../app/providers.dart';
-import '../../../core/constants/app_constants.dart';
-import '../../../core/router/app_router.dart';
-import '../../../core/theme/app_colors.dart';
-import '../../../core/theme/app_dimens.dart';
-import '../../../core/utils/extensions.dart';
-import '../../../core/utils/formatters.dart';
-import '../../../core/widgets/glass_card.dart';
-import '../../pos/providers/cart_controller.dart';
-import '../widgets/welcome_illustration.dart';
-
-/// Screen 1 — the terminal's resting state between sales.
-class WelcomeScreen extends ConsumerWidget {
-  const WelcomeScreen({super.key});
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    final session = ref.watch(cashierSessionProvider);
-    final clock = ref.watch(clockProvider).value ?? DateTime.now();
-
-    return Scaffold(
-      body: Container(
-        decoration: const BoxDecoration(gradient: AppColors.primaryGradient),
-        child: SafeArea(
-          child: Column(
-            children: [
-              _TopBar(cashier: session.name, now: clock),
-              Expanded(
-                child: Center(
-                  child: SingleChildScrollView(
-                    padding: const EdgeInsets.all(AppSpacing.xxl),
-                    child: ConstrainedBox(
-                      constraints: const BoxConstraints(maxWidth: 920),
-                      child: GlassCard(
-                        blur: 18,
-                        padding: EdgeInsets.all(
-                          context.responsive(
-                            compact: AppSpacing.xxl,
-                            expanded: AppSpacing.giant,
-                          ),
-                        ),
-                        radius: AppRadius.xxl,
-                        shadows: AppColors.shadowLg,
-                        child: context.isCompact
-                            ? const _StackedLayout()
-                            : const _SideBySideLayout(),
-                      ),
-                    ),
-                  ).animate().fadeIn(duration: 350.ms).slideY(
-                        begin: 0.04,
-                        end: 0,
-                        curve: Curves.easeOutCubic,
-                      ),
-                ),
-              ),
-              const _BottomHint(),
-            ],
-          ),
-        ),
-      ),
-    );
-  }
-}
-
-class _SideBySideLayout extends StatelessWidget {
-  const _SideBySideLayout();
-
-  @override
-  Widget build(BuildContext context) {
-    return Row(
-      crossAxisAlignment: CrossAxisAlignment.center,
-      children: const [
-        Expanded(flex: 4, child: WelcomeIllustration(size: 260)),
-        SizedBox(width: AppSpacing.giant),
-        Expanded(flex: 5, child: _WelcomeContent()),
-      ],
-    );
-  }
-}
-
-class _StackedLayout extends StatelessWidget {
-  const _StackedLayout();
-
-  @override
-  Widget build(BuildContext context) {
-    return Column(
-      mainAxisSize: MainAxisSize.min,
-      children: const [
-        WelcomeIllustration(size: 150),
-        SizedBox(height: AppSpacing.xxl),
-        _WelcomeContent(),
-      ],
-    );
-  }
-}
-
-class _WelcomeContent extends ConsumerWidget {
-  const _WelcomeContent();
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    return Column(
-      mainAxisSize: MainAxisSize.min,
-      crossAxisAlignment: CrossAxisAlignment.start,
-      children: [
-        Text(
-          'Welcome to',
-          style: context.text.titleMedium?.copyWith(
-            color: AppColors.textSecondary,
-            letterSpacing: 1.4,
-          ),
-        ),
-        const SizedBox(height: AppSpacing.xs),
-        Text(
-          'Nearle POS',
-          style: context.text.displaySmall?.copyWith(
-            color: AppColors.primary,
-            fontWeight: FontWeight.w800,
-          ),
-        ),
-        const SizedBox(height: AppSpacing.md),
-        Text(
-          'Start a new sale by identifying the shopper, '
-          'or skip straight to billing.',
-          style: context.text.bodyMedium
-              ?.copyWith(color: AppColors.textSecondary),
-        ),
-        const SizedBox(height: AppSpacing.xxxl),
-
-        _WelcomeAction(
-          icon: Icons.person_add_alt_1_rounded,
-          title: 'New Customer',
-          subtitle: 'Register and start earning loyalty points',
-          onTap: () => context.push(AppRoutes.registerCustomer),
-          primary: true,
-        ),
-        const SizedBox(height: AppSpacing.md),
-        _WelcomeAction(
-          icon: Icons.badge_outlined,
-          title: 'Existing Customer',
-          subtitle: 'Look up by mobile number',
-          onTap: () => context.push(AppRoutes.existingCustomer),
-        ),
-        const SizedBox(height: AppSpacing.md),
-        _WelcomeAction(
-          icon: Icons.directions_walk_rounded,
-          title: 'Skip Customer',
-          subtitle: 'Walk-in sale, no loyalty tracking',
-          onTap: () {
-            ref.read(cartControllerProvider.notifier).reset();
-            context.go(AppRoutes.pos);
-          },
-        ),
-      ],
-    );
-  }
-}
-
-/// A tall, unmistakable target — the cashier taps this hundreds of times a day.
-class _WelcomeAction extends StatefulWidget {
-  const _WelcomeAction({
-    required this.icon,
-    required this.title,
-    required this.subtitle,
-    required this.onTap,
-    this.primary = false,
-  });
-
-  final IconData icon;
-  final String title;
-  final String subtitle;
-  final VoidCallback onTap;
-  final bool primary;
-
-  @override
-  State<_WelcomeAction> createState() => _WelcomeActionState();
-}
-
-class _WelcomeActionState extends State<_WelcomeAction> {
-  bool _hovered = false;
-
-  @override
-  Widget build(BuildContext context) {
-    final bg = widget.primary
-        ? AppColors.primary
-        : (_hovered ? AppColors.primarySurface : AppColors.surface);
-    final fg =
-        widget.primary ? AppColors.textOnPrimary : AppColors.textPrimary;
-    final sub = widget.primary
-        ? AppColors.textOnPrimary.withValues(alpha: 0.78)
-        : AppColors.textSecondary;
-
-    return MouseRegion(
-      onEnter: (_) => setState(() => _hovered = true),
-      onExit: (_) => setState(() => _hovered = false),
-      child: AnimatedContainer(
-        duration: AppMotion.fast,
-        transform: Matrix4.translationValues(0, _hovered ? -2 : 0, 0),
-        child: Material(
-          color: bg,
-          borderRadius: AppRadius.brLg,
-          child: InkWell(
-            onTap: widget.onTap,
-            borderRadius: AppRadius.brLg,
-            child: Container(
-              padding: const EdgeInsets.symmetric(
-                horizontal: AppSpacing.xl,
-                vertical: AppSpacing.lg,
-              ),
-              decoration: BoxDecoration(
-                borderRadius: AppRadius.brLg,
-                border: Border.all(
-                  color: widget.primary
-                      ? Colors.transparent
-                      : AppColors.border,
-                ),
-                boxShadow: widget.primary && _hovered
-                    ? AppColors.shadowMd
-                    : null,
-              ),
-              child: Row(
-                children: [
-                  Container(
-                    width: 46,
-                    height: 46,
-                    decoration: BoxDecoration(
-                      color: widget.primary
-                          ? Colors.white.withValues(alpha: 0.18)
-                          : AppColors.primarySurface,
-                      borderRadius: AppRadius.brMd,
-                    ),
-                    child: Icon(
-                      widget.icon,
-                      color: widget.primary
-                          ? AppColors.textOnPrimary
-                          : AppColors.primary,
-                      size: 22,
-                    ),
-                  ),
-                  const SizedBox(width: AppSpacing.lg),
-                  Expanded(
-                    child: Column(
-                      crossAxisAlignment: CrossAxisAlignment.start,
-                      children: [
-                        Text(
-                          widget.title,
-                          style: context.text.titleMedium?.copyWith(color: fg),
-                        ),
-                        const SizedBox(height: 2),
-                        Text(
-                          widget.subtitle,
-                          style: context.text.bodySmall?.copyWith(color: sub),
-                        ),
-                      ],
-                    ),
-                  ),
-                  Icon(Icons.arrow_forward_rounded, color: sub, size: 20),
-                ],
-              ),
-            ),
-          ),
-        ),
-      ),
-    );
-  }
-}
-
-class _TopBar extends StatelessWidget {
-  const _TopBar({required this.cashier, required this.now});
-
-  final String cashier;
-  final DateTime now;
-
-  @override
-  Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.symmetric(
-        horizontal: AppSpacing.xxl,
-        vertical: AppSpacing.lg,
-      ),
-      child: Row(
-        children: [
-          const Icon(Icons.storefront_rounded,
-              color: Colors.white, size: 26),
-          const SizedBox(width: AppSpacing.md),
-          Text(
-            AppConstants.storeName,
-            style: context.text.titleLarge?.copyWith(color: Colors.white),
-          ),
-          const Spacer(),
-          Text(
-            '${Formatters.date(now)}   ${Formatters.time(now)}',
-            style: context.text.bodyMedium
-                ?.copyWith(color: Colors.white.withValues(alpha: 0.85)),
-          ),
-          const SizedBox(width: AppSpacing.xxl),
-          CircleAvatar(
-            radius: 16,
-            backgroundColor: Colors.white.withValues(alpha: 0.2),
-            child: Text(
-              Formatters.initials(cashier),
-              style: const TextStyle(
-                color: Colors.white,
-                fontSize: 12,
-                fontWeight: FontWeight.w700,
-              ),
-            ),
-          ),
-          const SizedBox(width: AppSpacing.sm),
-          Text(cashier,
-              style: context.text.bodyMedium?.copyWith(color: Colors.white)),
-        ],
-      ),
-    );
-  }
-}
-
-class _BottomHint extends StatelessWidget {
-  const _BottomHint();
-
-  @override
-  Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.only(bottom: AppSpacing.xl),
-      child: Text(
-        'Scan a barcode at any time to begin a walk-in sale',
-        style: context.text.bodySmall
-            ?.copyWith(color: Colors.white.withValues(alpha: 0.7)),
-      ),
-    );
-  }
-}

lib/presentation/welcome/widgets/welcome_illustration.dart

@@ -1,156 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_animate/flutter_animate.dart';
-
-import '../../../core/theme/app_colors.dart';
-
-/// Vector shopping-cart illustration drawn in code.
-///
-/// Painting it avoids shipping a raster asset and keeps it crisp on 4K desktop
-/// displays as well as tablet screens.
-class WelcomeIllustration extends StatelessWidget {
-  const WelcomeIllustration({super.key, this.size = 240});
-
-  final double size;
-
-  @override
-  Widget build(BuildContext context) {
-    return SizedBox(
-      width: size,
-      height: size,
-      child: CustomPaint(painter: _CartPainter()),
-    )
-        .animate(onPlay: (c) => c.repeat(reverse: true))
-        .moveY(begin: 0, end: -8, duration: 2400.ms, curve: Curves.easeInOut);
-  }
-}
-
-class _CartPainter extends CustomPainter {
-  @override
-  void paint(Canvas canvas, Size size) {
-    final w = size.width;
-    final h = size.height;
-    final unit = w / 100;
-
-    // Soft backdrop disc.
-    canvas.drawCircle(
-      Offset(w * 0.5, h * 0.5),
-      w * 0.46,
-      Paint()..color = AppColors.primarySurface,
-    );
-
-    // Decorative arc.
-    canvas.drawArc(
-      Rect.fromCircle(center: Offset(w * 0.5, h * 0.5), radius: w * 0.46),
-      -1.1,
-      2.0,
-      false,
-      Paint()
-        ..color = AppColors.primaryBorder
-        ..style = PaintingStyle.stroke
-        ..strokeWidth = unit * 1.6
-        ..strokeCap = StrokeCap.round,
-    );
-
-    final stroke = Paint()
-      ..color = AppColors.primary
-      ..style = PaintingStyle.stroke
-      ..strokeWidth = unit * 3
-      ..strokeCap = StrokeCap.round
-      ..strokeJoin = StrokeJoin.round;
-
-    final fill = Paint()..color = AppColors.primary.withValues(alpha: 0.16);
-
-    // Cart basket.
-    final basket = Path()
-      ..moveTo(w * 0.30, h * 0.36)
-      ..lineTo(w * 0.78, h * 0.36)
-      ..lineTo(w * 0.70, h * 0.60)
-      ..lineTo(w * 0.37, h * 0.60)
-      ..close();
-    canvas.drawPath(basket, fill);
-    canvas.drawPath(basket, stroke);
-
-    // Handle running to the push bar.
-    canvas.drawPath(
-      Path()
-        ..moveTo(w * 0.16, h * 0.26)
-        ..lineTo(w * 0.24, h * 0.26)
-        ..lineTo(w * 0.30, h * 0.36),
-      stroke,
-    );
-
-    // Basket ribs.
-    for (var i = 1; i <= 2; i++) {
-      final t = i / 3;
-      canvas.drawLine(
-        Offset(w * (0.30 + 0.48 * t), h * 0.36),
-        Offset(w * (0.37 + 0.33 * t), h * 0.60),
-        stroke..strokeWidth = unit * 1.6,
-      );
-    }
-    stroke.strokeWidth = unit * 3;
-
-    // Wheels.
-    for (final dx in [0.44, 0.66]) {
-      canvas.drawCircle(
-        Offset(w * dx, h * 0.70),
-        unit * 5,
-        Paint()..color = AppColors.surface,
-      );
-      canvas.drawCircle(Offset(w * dx, h * 0.70), unit * 5, stroke);
-    }
-
-    // Groceries poking out of the basket.
-    _item(canvas, Offset(w * 0.42, h * 0.30), unit * 5.5,
-        AppColors.tierGold.withValues(alpha: 0.9));
-    _item(canvas, Offset(w * 0.55, h * 0.27), unit * 6.5,
-        AppColors.success.withValues(alpha: 0.85));
-    _item(canvas, Offset(w * 0.67, h * 0.31), unit * 5,
-        AppColors.danger.withValues(alpha: 0.75));
-
-    // Receipt tape drifting away from the terminal.
-    final receipt = Path()
-      ..moveTo(w * 0.80, h * 0.20)
-      ..lineTo(w * 0.94, h * 0.20)
-      ..lineTo(w * 0.94, h * 0.44)
-      ..lineTo(w * 0.905, h * 0.40)
-      ..lineTo(w * 0.87, h * 0.44)
-      ..lineTo(w * 0.835, h * 0.40)
-      ..lineTo(w * 0.80, h * 0.44)
-      ..close();
-    canvas.drawPath(receipt, Paint()..color = AppColors.surface);
-    canvas.drawPath(
-      receipt,
-      Paint()
-        ..color = AppColors.primaryLight
-        ..style = PaintingStyle.stroke
-        ..strokeWidth = unit * 1.4
-        ..strokeJoin = StrokeJoin.round,
-    );
-
-    // Receipt lines.
-    final line = Paint()
-      ..color = AppColors.primaryBorder
-      ..strokeWidth = unit * 1.2
-      ..strokeCap = StrokeCap.round;
-    for (var i = 0; i < 3; i++) {
-      final y = h * (0.25 + i * 0.05);
-      canvas.drawLine(Offset(w * 0.835, y), Offset(w * 0.905, y), line);
-    }
-  }
-
-  void _item(Canvas canvas, Offset center, double radius, Color color) {
-    canvas.drawCircle(center, radius, Paint()..color = color);
-    canvas.drawCircle(
-      center,
-      radius,
-      Paint()
-        ..color = Colors.white.withValues(alpha: 0.5)
-        ..style = PaintingStyle.stroke
-        ..strokeWidth = 1.5,
-    );
-  }
-
-  @override
-  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
-}

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -7,8 +7,10 @@ import Foundation
 
 import audioplayers_darwin
 import printing
+import sqflite_darwin
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   AudioplayersDarwinPlugin.register(with: registry.registrar(forPlugin: "AudioplayersDarwinPlugin"))
   PrintingPlugin.register(with: registry.registrar(forPlugin: "PrintingPlugin"))
+  SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
 }

pubspec.lock

@@ -232,6 +232,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: c3f1ee72c96f8f78935e18aa8cecced9ab132419e8625dc187e1c2408efc20de
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
   go_router:
     dependency: "direct main"
     description:
@@ -376,6 +384,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  native_toolchain_c:
+    dependency: transitive
+    description:
+      name: native_toolchain_c
+      sha256: f9c168717100ae6d9fee9ffb0be379bf1f8b26b0f6bcbd4fdddcd931993a6a72
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.19.2"
   objective_c:
     dependency: transitive
     description:
@@ -393,7 +409,7 @@ packages:
     source: hosted
     version: "3.0.0"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
@@ -557,6 +573,62 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.10.2"
+  sqflite:
+    dependency: "direct main"
+    description:
+      name: sqflite
+      sha256: "58a799e6ac17dd32fbab93813d39ed835a75ccc0f8f85b8955fe318c6712b082"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
+  sqflite_android:
+    dependency: transitive
+    description:
+      name: sqflite_android
+      sha256: d0548f9d7422a2dae99ec6f8b0a3074463b132d216fa5ba0d230eeefc901983b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      sha256: "5bf6a55c166e73bf651ba7ec3ed486e577620e3dc8f3a9c6a258a8031b624590"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.11"
+  sqflite_common_ffi:
+    dependency: "direct main"
+    description:
+      name: sqflite_common_ffi
+      sha256: "5ccd38136edb9beb3213f6927775d52db70dfdadcdb28dad1f625ca9f2b9824f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  sqflite_darwin:
+    dependency: transitive
+    description:
+      name: sqflite_darwin
+      sha256: c86ca18b8f666bbf903924687fe21cc16fc385d086005067e26619ca530bef9f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3+1"
+  sqflite_platform_interface:
+    dependency: transitive
+    description:
+      name: sqflite_platform_interface
+      sha256: f84939f84350d92d04416f8bc4dc52d3896aec7716cc9e80cf0146342139dc50
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  sqlite3:
+    dependency: transitive
+    description:
+      name: sqlite3
+      sha256: c73fd75df1332d76a6257f4823ae4df9c791f522b97e4a60cbcad214de1becf4
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.5.0"
   stack_trace:
     dependency: transitive
     description:

pubspec.yaml

@@ -27,6 +27,11 @@ dependencies:
   google_fonts: ^6.2.1
   flutter_animate: ^4.5.0
 
+  # Local persistence — SQLite is the source of truth on the terminal
+  sqflite: ^2.3.3
+  sqflite_common_ffi: ^2.3.3
+  path: ^1.9.0
+
   # Peripherals: scanner beeps and thermal receipt printing
   audioplayers: ^6.0.0
   pdf: ^3.11.0

test/widget_test.dart

@@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:nearle_pos/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(const MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}