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backend/.env

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+# 本地开发环境变量配置
+GITHUB_TOKEN=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re
+GITHUB_REPOS=https://github.com/CaPaCaptain/PPTist_huggingface_db
+JWT_SECRET=pptist-secret-key-2025-local
+NODE_ENV=production
+PORT=7860
+FRONTEND_URL=http://localhost:7860
+PUBLIC_URL=http://localhost:7860

backend/.env.example

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+# Huggingface Space环境变量配置示例
+# 在Huggingface Space的Settings中设置这些环境变量
+
+# GitHub配置
+GITHUB_TOKEN=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
+GITHUB_REPOS=https://github.com/CaPaCaptain/PPTist_huggingface_db
+
+# 如果有多个仓库，用逗号分隔：
+# GITHUB_REPOS=https://github.com/CaPaCaptain/PPTist_huggingface_db,https://github.com/user/backup_repo
+
+# JWT密钥
+JWT_SECRET=pptist-secret-key-2025-huggingface
+
+# 服务配置
+NODE_ENV=production
+PORT=7860
+FRONTEND_URL=*
+
+# 公共访问URL（可选，默认使用当前域名）
+# PUBLIC_URL=your-space-name.hf.space

backend/.eslintrc.js

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+export default {
+  env: {
+    node: true,
+    es2022: true,
+    jest: true
+  },
+  extends: [
+    'eslint:recommended'
+  ],
+  parserOptions: {
+    ecmaVersion: 'latest',
+    sourceType: 'module'
+  },
+  rules: {
+    'indent': ['error', 2],
+    'linebreak-style': ['error', 'unix'],
+    'quotes': ['error', 'single'],
+    'semi': ['error', 'always'],
+    'no-unused-vars': ['error', { 'argsIgnorePattern': '^_' }],
+    'no-console': 'warn',
+    'no-debugger': 'error',
+    'prefer-const': 'error',
+    'no-var': 'error',
+    'object-shorthand': 'error',
+    'prefer-arrow-callback': 'error'
+  },
+  globals: {
+    process: 'readonly',
+    Buffer: 'readonly',
+    __dirname: 'readonly',
+    __filename: 'readonly'
+  }
+};

backend/.prettierrc

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+{
+  "semi": true,
+  "trailingComma": "es5",
+  "singleQuote": true,
+  "printWidth": 80,
+  "tabWidth": 2,
+  "useTabs": false,
+  "bracketSpacing": true,
+  "arrowParens": "avoid",
+  "endOfLine": "lf"
+}

backend/babel.config.js

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+export default {
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        targets: {
+          node: 'current'
+        }
+      }
+    ]
+  ]
+};

backend/data/backup-state.json

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+{
+  "lastBackupTime": "2025-07-04T08:00:00.390Z",
+  "backupStats": {
+    "totalBackups": 4,
+    "successfulBackups": 0,
+    "failedBackups": 3,
+    "lastBackupResult": {
+      "timestamp": "2025-07-04T08:00:00.390Z",
+      "success": false,
+      "totalUsers": 1,
+      "totalPPTs": 1,
+      "successfulBackups": 0,
+      "failedBackups": 1,
+      "errors": [],
+      "duration": 701
+    }
+  },
+  "savedAt": "2025-07-04T08:43:27.309Z"
+}