Change PIN to 1451

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

apps/captain-mobile-v2/flutter/lib/models/message.dart

@@ -0,0 +1,85 @@
+class ToolUse {
+  final String tool;
+  final dynamic input;
+  final String? output;
+
+  ToolUse({
+    required this.tool,
+    this.input,
+    this.output,
+  });
+
+  factory ToolUse.fromJson(Map<String, dynamic> json) {
+    return ToolUse(
+      tool: json['tool'] ?? 'unknown',
+      input: json['input'],
+      output: json['output'],
+    );
+  }
+
+  Map<String, dynamic> toJson() => {
+        'tool': tool,
+        'input': input,
+        'output': output,
+      };
+}
+
+class Message {
+  final String id;
+  final String role;
+  final String content;
+  final List<ToolUse>? toolUses;
+  final bool isStreaming;
+  final bool isThinking;
+  final DateTime createdAt;
+
+  Message({
+    String? id,
+    required this.role,
+    required this.content,
+    this.toolUses,
+    this.isStreaming = false,
+    this.isThinking = false,
+    DateTime? createdAt,
+  })  : id = id ?? DateTime.now().millisecondsSinceEpoch.toString(),
+        createdAt = createdAt ?? DateTime.now();
+
+  Message copyWith({
+    String? id,
+    String? role,
+    String? content,
+    List<ToolUse>? toolUses,
+    bool? isStreaming,
+    bool? isThinking,
+    DateTime? createdAt,
+  }) {
+    return Message(
+      id: id ?? this.id,
+      role: role ?? this.role,
+      content: content ?? this.content,
+      toolUses: toolUses ?? this.toolUses,
+      isStreaming: isStreaming ?? this.isStreaming,
+      isThinking: isThinking ?? this.isThinking,
+      createdAt: createdAt ?? this.createdAt,
+    );
+  }
+
+  factory Message.fromJson(Map<String, dynamic> json) {
+    return Message(
+      id: json['id'],
+      role: json['role'],
+      content: json['content'],
+      toolUses: json['tool_uses'] != null
+          ? (json['tool_uses'] as List)
+              .map((e) => ToolUse.fromJson(e))
+              .toList()
+          : null,
+      createdAt: json['created_at'] != null
+          ? DateTime.parse(json['created_at'])
+          : DateTime.now(),
+    );
+  }
+
+  bool get isUser => role == 'user';
+  bool get isAssistant => role == 'assistant';
+}