fix: remove useless comments

lib/views/bar_screen_view.dart

@@ -199,9 +199,6 @@ class _BarScreenViewState extends State<BarScreenView> {
   }
 }
 
-// ---------------------------------------------------------------------------
-// Product grid
-// ---------------------------------------------------------------------------
 class _ProductGrid extends StatelessWidget {
   final List<Product> products;
   final int rows;
@@ -353,10 +350,6 @@ class _ProductGrid extends StatelessWidget {
   }
 }
 
-// ---------------------------------------------------------------------------
-// Tab panel
-// ---------------------------------------------------------------------------
-
 class _TabPanel extends StatefulWidget {
   final List<BarTab> tabs;
   final BarTab? selectedTab;
@@ -408,9 +401,6 @@ class _TabPanelState extends State<_TabPanel> {
     }).toList();
 
     return DecoratedBox(
-      // A step darker/lighter than the main surface, whichever direction
-      // the active theme goes — matches how it read against the dark
-      // surface color originally.
       decoration: BoxDecoration(color: scheme.surfaceContainerLow),
       child: Padding(
         padding: const EdgeInsets.all(16),
@@ -457,37 +447,6 @@ class _TabPanelState extends State<_TabPanel> {
               ],
             ),
 
-            //
-            // const SizedBox(height: 18),
-            //
-            // Row(
-            //   children: [
-            //     Text(
-            //       l10n.openTabs.toUpperCase(),
-            //       style: Theme.of(context).textTheme.bodySmall?.copyWith(
-            //         fontWeight: FontWeight.w700,
-            //         letterSpacing: 0.8,
-            //       ),
-            //     ),
-            //     const SizedBox(width: 8),
-            //     Container(
-            //       padding: const EdgeInsets.symmetric(
-            //         horizontal: 8,
-            //         vertical: 2,
-            //       ),
-            //       decoration: BoxDecoration(
-            //         color: scheme.onSurface.withValues(alpha: 0.06),
-            //         borderRadius: BorderRadius.circular(999),
-            //       ),
-            //       child: Text(
-            //         '${filteredTabs.length}',
-            //         style: Theme.of(context).textTheme.bodySmall?.copyWith(
-            //           fontWeight: FontWeight.w700,
-            //         ),
-            //       ),
-            //     ),
-            //   ],
-            // ),
             const SizedBox(height: 8),
 
             SizedBox(

lib/views/pin_lock_view.dart

@@ -89,7 +89,6 @@ class _PinEntryViewState extends State<PinEntryView> {
     final l10n = AppLocalizations.of(context);
 
     if (_isCreateFlow && !_isConfirmStep) {
-      // First entry of a new PIN — stash it, then ask for confirmation.
       final entered = _digits;
 
       setState(() {
@@ -127,7 +126,6 @@ class _PinEntryViewState extends State<PinEntryView> {
       return;
     }
 
-    // Unlock flow.
     setState(() => _isSubmitting = true);
     final ok = await _verify(_digits);
     if (!mounted) return;

lib/views/widgets/product_tile.dart

@@ -87,14 +87,12 @@ class ProductTile extends StatelessWidget {
                     ),
                   ),
 
-                // Stock badge
                 Positioned(
                   top: 10,
                   right: 10,
                   child: _StockBadge(product: product),
                 ),
 
-                // Out of stock overlay
                 if (outOfStock)
                   Center(
                     child: Container(