chore(project): 初始化项目基础配置文件

- 添加 CodeGraph、Android 和通用 gitignore 配置
- 创建项目元数据文件跟踪 Flutter 项目属性
- 添加 Codex AI 指导文档 AGENTS.md 说明项目架构
- 配置代码分析选项 analysis_options.yaml
- 设置 Android 应用清单权限和 Kiosk 模式配置
- 实现中英文国际化支持 AppLocalizations
- 配置 GoRouter 应用路由导航
- 创建明亮工业控制风格的主题配置 AppTheme

lib/shared/widgets/status_indicator.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import '../../core/theme/app_theme.dart';
+
+/// 状态指示器组件 - 明亮工业风格
+class StatusIndicator extends StatelessWidget {
+  final String text;
+  final DeviceStatusType status;
+  final double size;
+
+  const StatusIndicator({
+    super.key,
+    required this.text,
+    required this.status,
+    this.size = 10,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Container(
+          width: size,
+          height: size,
+          decoration: BoxDecoration(
+            shape: BoxShape.circle,
+            color: _getStatusColor(),
+          ),
+        ),
+        const SizedBox(width: 6),
+        Text(
+          text,
+          style: TextStyle(
+            color: _getStatusColor(),
+            fontWeight: FontWeight.w600,
+            fontSize: 13,
+          ),
+        ),
+      ],
+    );
+  }
+
+  Color _getStatusColor() {
+    switch (status) {
+      case DeviceStatusType.running:
+        return AppTheme.statusRunning;
+      case DeviceStatusType.idle:
+        return AppTheme.statusStopped;
+      case DeviceStatusType.paused:
+        return AppTheme.statusPaused;
+      case DeviceStatusType.error:
+        return AppTheme.statusError;
+      case DeviceStatusType.success:
+        return AppTheme.statusRunning;
+    }
+  }
+}
+
+enum DeviceStatusType { running, idle, paused, error, success }