chore: add eslint config file

eslint.config.js

@@ -0,0 +1,95 @@
+const tseslint = require('typescript-eslint')
+
+module.exports = [
+  // JavaScript files (including jest configs)
+  {
+    files: ['**/*.{js,mjs,cjs}'],
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'module',
+    },
+    rules: {
+      // Basic ESLint rules from original configuration
+      'block-scoped-var': 'error',
+      'comma-dangle': ['error', 'always-multiline'],
+      curly: ['error', 'all'],
+      'no-confusing-arrow': 'error',
+      'no-inline-comments': 'warn',
+      'no-invalid-this': 'error',
+      'no-return-assign': 'warn',
+      'no-constructor-return': 'error',
+      'no-duplicate-imports': 'error',
+      'no-self-compare': 'error',
+      'no-console': ['error', { allow: ['warn', 'error'] }],
+      'no-unmodified-loop-condition': 'error',
+      'no-unused-private-class-members': 'error',
+      'object-curly-spacing': ['error', 'always'],
+      quotes: ['error', 'single', { avoidEscape: true }],
+      semi: ['error', 'never'],
+    },
+  },
+  // TypeScript files
+  ...tseslint.configs.recommended.map(config => ({
+    ...config,
+    files: ['**/*.ts'],
+  })),
+  {
+    files: ['**/*.ts'],
+    rules: {
+      // Override TypeScript rules to match original configuration
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        {
+          vars: 'all',
+          args: 'after-used',
+          ignoreRestSiblings: false,
+          argsIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+          caughtErrorsIgnorePattern: '^_',
+        },
+      ],
+      '@typescript-eslint/no-explicit-any': ['error', { ignoreRestArgs: true }],
+      // Basic ESLint rules
+      'block-scoped-var': 'error',
+      'comma-dangle': ['error', 'always-multiline'],
+      curly: ['error', 'all'],
+      'no-confusing-arrow': 'error',
+      'no-inline-comments': 'warn',
+      'no-invalid-this': 'error',
+      'no-return-assign': 'warn',
+      'no-constructor-return': 'error',
+      'no-duplicate-imports': 'error',
+      'no-self-compare': 'error',
+      'no-console': ['error', { allow: ['warn', 'error'] }],
+      'no-unmodified-loop-condition': 'error',
+      'no-unused-private-class-members': 'error',
+      'object-curly-spacing': ['error', 'always'],
+      quotes: ['error', 'single', { avoidEscape: true }],
+      semi: ['error', 'never'],
+    },
+  },
+  {
+    // Global ignores for all packages
+    ignores: [
+      'node_modules/**',
+      '**/dist/**',
+      '**/coverage/**',
+      '**/uploads/**',
+      '**/data/**',
+      '**/test-setup.ts',
+      '**/*.db',
+      '**/migrations/**',
+      '**/lib/**',
+      '**/docker/**',
+      '**/supervisor/**',
+      '**/scripts/**',
+      '**/jest.config.js',
+      'bundle.sh',
+      'docker-compose*.yml',
+      'Dockerfile*',
+      '.pnp.*',
+      '.yarn/**',
+      'logs/**',
+    ],
+  },
+]