module.exports = {
  extends: ['@commitlint/config-conventional'],
  rules: {
    // Enforce conventional commit types
    'type-enum': [
      2,
      'always',
      [
        'feat',     // New feature
        'fix',      // Bug fix
        'docs',     // Documentation changes
        'style',    // Code style changes (formatting, etc.)
        'refactor', // Code refactoring
        'perf',     // Performance improvements
        'test',     // Adding or updating tests
        'chore',    // Maintenance tasks
        'revert',   // Revert a previous commit
        'build',    // Build system changes
        'ci',       // CI/CD changes
      ],
    ],
    // Scope is optional
    'scope-empty': [1, 'never'],
    // Subject must not be empty
    'subject-empty': [2, 'never'],
    // Subject must be in sentence case
    'subject-case': [0],
    // Subject line length
    'subject-max-length': [2, 'always', 72],
    // Body line length
    'body-max-line-length': [2, 'always', 100],
    // Footer line length
    'footer-max-line-length': [2, 'always', 100],
  },
};