Change PIN to 1451

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/captain-mobile-v2/flutter/lib/widgets/thinking_indicator.dart

@@ -0,0 +1,75 @@
+import 'package:flutter/material.dart';
+
+class ThinkingIndicator extends StatefulWidget {
+  const ThinkingIndicator({super.key});
+
+  @override
+  State<ThinkingIndicator> createState() => _ThinkingIndicatorState();
+}
+
+class _ThinkingIndicatorState extends State<ThinkingIndicator>
+    with SingleTickerProviderStateMixin {
+  late AnimationController _controller;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 1500),
+    )..repeat();
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          AnimatedBuilder(
+            animation: _controller,
+            builder: (context, child) {
+              return Row(
+                children: List.generate(3, (index) {
+                  final delay = index * 0.2;
+                  final value = (_controller.value + delay) % 1.0;
+                  final opacity = (value < 0.5 ? value * 2 : 2 - value * 2);
+                  return Padding(
+                    padding: const EdgeInsets.symmetric(horizontal: 2),
+                    child: Opacity(
+                      opacity: 0.3 + opacity * 0.7,
+                      child: Container(
+                        width: 8,
+                        height: 8,
+                        decoration: BoxDecoration(
+                          color: Colors.orange.shade400,
+                          shape: BoxShape.circle,
+                        ),
+                      ),
+                    ),
+                  );
+                }),
+              );
+            },
+          ),
+          const SizedBox(width: 8),
+          Text(
+            'Claude is thinking...',
+            style: TextStyle(
+              color: Colors.grey.shade400,
+              fontSize: 14,
+              fontStyle: FontStyle.italic,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}