feat: add more easter eggs

lib/views/widgets/closed_tab_card.dart

@@ -5,6 +5,7 @@ import '../../l10n/app_localizations.dart';
 import '../../models/closed_tab.dart';
 import '../../models/closed_tab_item.dart';
 import '../../models/payment_method.dart';
+import '../../utils/easter_eggs.dart';
 import '../../utils/history_grouping.dart';
 import '../../utils/money.dart';
 
@@ -71,7 +72,7 @@ class _ClosedTabCardState extends State<ClosedTabCard> {
                             children: [
                               Expanded(
                                 child: Text(
-                                  closedTab.customerName,
+                                  customerDisplayName(closedTab.customerName),
                                   maxLines: 1,
                                   overflow: TextOverflow.ellipsis,
                                   style: TextStyle(

lib/views/widgets/open_tab_history_card.dart

@@ -4,6 +4,7 @@ import 'package:intl/intl.dart';
 import '../../l10n/app_localizations.dart';
 import '../../models/bar_tab.dart';
 import '../../models/tab_item_purchase.dart';
+import '../../utils/easter_eggs.dart';
 import '../../utils/money.dart';
 
 class OpenTabHistoryCard extends StatefulWidget {
@@ -93,7 +94,7 @@ class _OpenTabHistoryCardState extends State<OpenTabHistoryCard> {
                             children: [
                               Expanded(
                                 child: Text(
-                                  tab.customerName,
+                                  customerDisplayName(tab.customerName),
                                   maxLines: 1,
                                   overflow: TextOverflow.ellipsis,
                                   style: TextStyle(

lib/views/widgets/venue_title.dart

@@ -0,0 +1,96 @@
+import 'package:flutter/material.dart';
+
+/// The bar screen title. Ten quick taps light it up as a flickering neon
+/// café sign for a few seconds.
+class VenueTitle extends StatefulWidget {
+  final String text;
+
+  const VenueTitle({super.key, required this.text});
+
+  @override
+  State<VenueTitle> createState() => _VenueTitleState();
+}
+
+class _VenueTitleState extends State<VenueTitle>
+    with SingleTickerProviderStateMixin {
+  static const _tapsNeeded = 10;
+  static const _tapWindow = Duration(milliseconds: 600);
+  static const _neonPink = Color(0xFFFF2BD6);
+
+  /// Stretches of the animation (as fractions) where the tube is dark,
+  /// like a sign that sputters on and then dies out.
+  static const _darkSpans = [
+    (0.02, 0.05),
+    (0.07, 0.08),
+    (0.10, 0.14),
+    (0.55, 0.56),
+    (0.88, 0.89),
+    (0.91, 0.93),
+  ];
+
+  late final AnimationController _neon = AnimationController(
+    vsync: this,
+    duration: const Duration(seconds: 5),
+  );
+
+  int _tapCount = 0;
+  DateTime? _lastTap;
+
+  @override
+  void dispose() {
+    _neon.dispose();
+    super.dispose();
+  }
+
+  void _onTap() {
+    final now = DateTime.now();
+    final last = _lastTap;
+    _tapCount = last != null && now.difference(last) < _tapWindow
+        ? _tapCount + 1
+        : 1;
+    _lastTap = now;
+
+    if (_tapCount < _tapsNeeded) return;
+    _tapCount = 0;
+    _neon.forward(from: 0);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final baseStyle = DefaultTextStyle.of(context).style;
+
+    return GestureDetector(
+      behavior: HitTestBehavior.opaque,
+      onTap: _onTap,
+      child: AnimatedBuilder(
+        animation: _neon,
+        builder: (context, _) {
+          final t = _neon.value;
+          final isLit =
+              _neon.isAnimating &&
+              !_darkSpans.any((span) => t >= span.$1 && t < span.$2);
+
+          return Text(
+            widget.text,
+            style: isLit
+                ? baseStyle.copyWith(
+                    color: const Color(0xFFFFD6F6),
+                    fontWeight: FontWeight.w800,
+                    shadows: const [
+                      Shadow(color: _neonPink, blurRadius: 4),
+                      Shadow(color: _neonPink, blurRadius: 12),
+                      Shadow(color: _neonPink, blurRadius: 24),
+                    ],
+                  )
+                : _neon.isAnimating
+                ? baseStyle.copyWith(
+                    color: baseStyle.color?.withValues(alpha: 0.35),
+                    fontWeight: FontWeight.w800,
+                  )
+                : baseStyle,
+          );
+        },
+      ),
+    );
+  }
+}