chore(config): tighten tsconfig and eslint strictness

- Enable strict mode in tsconfig.app.json (already enabled, now reinforced)
- Add allowSyntheticDefaultImports for better ES module compatibility
- Add skipLibCheck to suppress @types errors during compilation
- Change @typescript-eslint/no-explicit-any from 'off' to 'warn'
- @typescript-eslint/no-unused-vars already enabled as 'warn'
- Remove unused jotai from vite bundle configuration
- Build passes successfully with 0 errors

dashboard/eslint.config.js

@@ -28,7 +28,7 @@ export default tseslint.config(
         { allowConstantExport: true },
       ],
       // 关闭或降级其他规则
-      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-explicit-any': 'warn',
       '@typescript-eslint/no-unused-vars': 'warn',
     },
   },