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/common_button.dart

@@ -0,0 +1,103 @@
+import 'package:flutter/material.dart';
+import '../../core/theme/app_theme.dart';
+
+/// 通用按钮组件 - 明亮工业风格
+class CommonButton extends StatelessWidget {
+  final String text;
+  final VoidCallback? onPressed;
+  final bool enabled;
+  final Color? backgroundColor;
+  final Color? textColor;
+  final IconData? icon;
+  final bool isLoading;
+  final ButtonType type;
+
+  const CommonButton({
+    super.key,
+    required this.text,
+    this.onPressed,
+    this.enabled = true,
+    this.backgroundColor,
+    this.textColor,
+    this.icon,
+    this.isLoading = false,
+    this.type = ButtonType.primary,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final bgColor = backgroundColor ?? _getDefaultBackgroundColor();
+    final fgColor = textColor ?? _getDefaultTextColor();
+
+    Widget content;
+    if (isLoading) {
+      content = Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          SizedBox(
+            width: 16,
+            height: 16,
+            child: CircularProgressIndicator(
+              strokeWidth: 2,
+              color: fgColor,
+            ),
+          ),
+          const SizedBox(width: 8),
+          Text(text, style: TextStyle(fontWeight: FontWeight.w500)),
+        ],
+      );
+    } else if (icon != null) {
+      content = Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Icon(icon, size: 18),
+          const SizedBox(width: 8),
+          Text(text, style: TextStyle(fontWeight: FontWeight.w500)),
+        ],
+      );
+    } else {
+      content = Text(text, style: TextStyle(fontWeight: FontWeight.w500));
+    }
+
+    return ElevatedButton(
+      onPressed: enabled && !isLoading ? onPressed : null,
+      style: ElevatedButton.styleFrom(
+        backgroundColor: bgColor,
+        foregroundColor: fgColor,
+        disabledBackgroundColor: AppTheme.statusStopped.withValues(alpha: 0.3),
+        disabledForegroundColor: AppTheme.textTertiary,
+        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(AppTheme.radiusSm),
+        ),
+      ),
+      child: content,
+    );
+  }
+
+  Color _getDefaultBackgroundColor() {
+    switch (type) {
+      case ButtonType.primary:
+        return AppTheme.primaryColor;
+      case ButtonType.success:
+        return AppTheme.successColor;
+      case ButtonType.warning:
+        return AppTheme.warningColor;
+      case ButtonType.danger:
+        return AppTheme.errorColor;
+      case ButtonType.secondary:
+        return AppTheme.bgSurface;
+    }
+  }
+
+  Color _getDefaultTextColor() {
+    switch (type) {
+      case ButtonType.secondary:
+        return AppTheme.textPrimary;
+      default:
+        return AppTheme.textOnPrimary;
+    }
+  }
+}
+
+enum ButtonType { primary, success, warning, danger, secondary }