chore: 统一代码风格并配置ESLint和Prettier

配置ESLint和Prettier规则
添加前端和后端的忽略文件
统一代码格式和缩进
修复代码风格问题

frontend/src/hooks/useDesignTokens.js

@@ -18,7 +18,7 @@ export const useDesignTokens = () => {
         primary: {
           main: primaryColor,
           gradient: `linear-gradient(135deg, ${primaryColor} 0%, ${secondaryColor} 100%)`,
-          light: '#8b9ff0'
+          light: '#8b9ff0',
         },
         success: { main: '#10b981' },
         warning: { main: '#f59e0b' },
@@ -26,15 +26,15 @@ export const useDesignTokens = () => {
         text: {
           primary: '#1e293b',
           secondary: '#64748b',
-          inverse: '#ffffff'
+          inverse: '#ffffff',
         },
         background: {
           primary: '#ffffff',
           secondary: '#f8fafc',
-          dark: '#1e293b'
+          dark: '#1e293b',
         },
         border: {
-          light: '#e2e8f0'
+          light: '#e2e8f0',
         },
         sidebar: {
           bg: '#ffffff',
@@ -43,23 +43,23 @@ export const useDesignTokens = () => {
           text: '#475569',
           textHover: primaryColor,
           textActive: primaryColor,
-          border: '#e2e8f0'
-        }
+          border: '#e2e8f0',
+        },
       },
       shadows: {
         small: '0 1px 2px 0 rgba(0, 0, 0, 0.05)',
         medium: '0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1)',
-        large: '0 10px 15px -3px rgba(0, 0, 0, 0.1)'
+        large: '0 10px 15px -3px rgba(0, 0, 0, 0.1)',
       },
       borderRadius: {
         small: '6px',
-        medium: '10px'
+        medium: '10px',
       },
       spacing: {
         sm: '8px',
         md: '16px',
-        lg: '24px'
-      }
+        lg: '24px',
+      },
     };
   }, [config?.primary_color, config?.secondary_color]);
 
@@ -74,16 +74,20 @@ export const useDesignTokens = () => {
 function hexToRgb(hex) {
   // 移除 # 号
   const cleanHex = hex.replace('#', '');
-  
+
   // 处理简写格式 (如: #fff)
-  const fullHex = cleanHex.length === 3 
-    ? cleanHex.split('').map(c => c + c).join('')
-    : cleanHex;
-  
+  const fullHex =
+    cleanHex.length === 3
+      ? cleanHex
+          .split('')
+          .map(c => c + c)
+          .join('')
+      : cleanHex;
+
   const r = parseInt(fullHex.substring(0, 2), 16);
   const g = parseInt(fullHex.substring(2, 4), 16);
   const b = parseInt(fullHex.substring(4, 6), 16);
-  
+
   return `${r}, ${g}, ${b}`;
 }