Initial codebase setup

.env.example

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+# Server Configuration
+PORT=3000
+NODE_ENV=development

.github/workflows/formatting.yml

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+name: Code Formatting Check
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  format-check:
+    name: Check code formatting
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Check prettier formatting
+        run: npx prettier --check "src/**/*.{ts,js,json,md}"
+
+      # - name: Check ESLint rules
+      #   run: npx eslint "src/**/*.{ts,js}"

.gitignore

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+# Dependencies
+node_modules/
+
+# Build output
+dist/
+build/
+
+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Editor directories and files
+.idea/
+.vscode/
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# OS files
+.DS_Store

.prettierignore

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+# Build output
+dist/
+build/
+coverage/
+
+# Dependencies
+node_modules/
+**/node_modules/
+
+# Package files
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
+
+# Log files
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Environment variables
+.env
+.env.local
+.env.*
+
+# Cache directories
+.npm/
+.eslintcache
+.cache/
+
+# Generated files
+**/*.min.js
+**/*.bundle.js
+
+# Database files
+*.sqlite
+*.db
+
+# TypeORM migration files
+src/migrations/*.js
+
+# Config files that should maintain their formatting
+.husky/
+.github/workflows/
+
+# Specific file types to ignore
+*.svg
+*.ico
+*.png
+*.jpg
+*.jpeg
+*.gif
+*.pdf
+*.eot
+*.ttf
+*.woff
+*.woff2
+
+# Documentation
+LICENSE
+README.md
+CHANGELOG.md

.prettierrc

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+{
+  "semi": true,
+  "trailingComma": "all",
+  "singleQuote": true,
+  "printWidth": 100,
+  "tabWidth": 2,
+  "bracketSpacing": true,
+  "arrowParens": "avoid",
+  "endOfLine": "lf"
+}

eslint.config.js

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+const { FlatCompat } = require('@eslint/eslintrc');
+const js = require('@eslint/js');
+const tseslint = require('typescript-eslint');
+
+// Create compatibility layer between new flat config and traditional config formats
+const compat = new FlatCompat();
+
+module.exports = [
+  js.configs.recommended,
+  ...tseslint.configs.recommended,
+  ...compat.config({
+    extends: ['prettier'],
+    plugins: ['prettier'],
+  }),
+  {
+    languageOptions: {
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+      parser: tseslint.parser,
+      parserOptions: {
+        project: './tsconfig.json',
+      },
+    },
+    files: ['**/*.ts', '**/*.js'],
+    ignores: [
+      'node_modules/**',
+      'dist/**',
+      'build/**',
+      'coverage/**',
+      '**/*.d.ts',
+    ],
+    rules: {
+      'prettier/prettier': 'error',
+      '@typescript-eslint/explicit-function-return-type': 'warn',
+      '@typescript-eslint/explicit-module-boundary-types': 'warn', 
+      '@typescript-eslint/no-explicit-any': 'warn',
+      '@typescript-eslint/no-unused-vars': ['error', { 
+        'argsIgnorePattern': '^_',
+        'varsIgnorePattern': '^_',
+      }],
+      'no-console': ['warn', { allow: ['warn', 'error'] }],
+      'no-duplicate-imports': 'error',
+      'no-unused-expressions': 'error',
+      'prefer-const': 'error',
+    },
+  },
+  {
+    files: ['**/*.test.ts', '**/*.spec.ts', 'tests/**/*.ts'],
+    rules: {
+      '@typescript-eslint/no-explicit-any': 'off',
+      'no-console': 'off',
+    },
+  }
+];