docs: relocate skills system documentation and refactor asset page components

Move skills system documentation from bottom to top of CLAUDE.md for better organization. Refactor Flutter asset page by extracting UI components into separate files and updating import structure for improved modularity.

flutter_monisuo/lib/ui/pages/mine/components/logout_button.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import '../../../../core/theme/app_color_scheme.dart';
+import '../../../../core/theme/app_spacing.dart';
+
+/// 退出登录按钮
+class LogoutButton extends StatelessWidget {
+  final VoidCallback onLogout;
+  const LogoutButton({super.key, required this.onLogout});
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: onLogout,
+      child: Container(
+        width: double.infinity,
+        height: 48,
+        decoration: BoxDecoration(
+          color: AppColorScheme.down.withOpacity(0.05),
+          borderRadius: BorderRadius.circular(AppRadius.lg),
+          border: Border.all(
+            color: AppColorScheme.down.withOpacity(0.15),
+          ),
+        ),
+        child: Center(
+          child: Text(
+            '退出登录',
+            style: GoogleFonts.inter(
+              fontSize: 14,
+              fontWeight: FontWeight.w600,
+              color: AppColorScheme.down,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}