feat: add setCookie functionality to component context

[ricardo-devis-agullo]

closes #1437

🍪 Add setCookie functionality to component context

This PR adds the ability for components to set cookies via context.setCookie(), mirroring the existing context.setHeader() functionality.

✨ Features

• New API: context.setCookie(name, value, options?) for components
• Cookie accumulation: Cookies are collected during component execution
• HTTP response integration: Cookies are applied to the response using res.cookie()
• Batch support: Works with both single component and batch component requests
• Type safety: Full TypeScript support with proper interfaces

🔧 Implementation Details

Core Changes

• src/resources/index.ts: Added error message for invalid cookie parameters
• src/registry/routes/helpers/get-component.ts:
  • Extended GetComponentResult interface with cookies array
  • Added cookie accumulation logic
  • Implemented contextObj.setCookie() function
• src/registry/routes/component.ts: Added cookie application to HTTP response
• src/registry/routes/components.ts: Added batch cookie support with setCookies() helper

Testing

• New fixture component: test/fixtures/components/hello-world-custom-cookies/
• Acceptance tests: Added comprehensive cookie tests in test/acceptance/registry.js
• Unit tests: Updated component list expectations
• All tests passing: 807/807 ✅

📝 Usage Example

Components can now set cookies in their server.js:

module.exports.data = function (context, callback) {
  context.setCookie('Test-Cookie', 'Cookie-Value');
  context.setCookie('Secure-Cookie', 'Secure-Value', { 
    httpOnly: true, 
    secure: true 
  });
  callback(null, {});
};

This will result in the appropriate Set-Cookie headers being sent with the HTTP response.

🔄 Compatibility

• Backward compatible: No breaking changes
• Consistent API: Follows the same pattern as context.setHeader()
• Express integration: Uses standard Express res.cookie() method
• Cookie options: Supports all standard Express cookie options

🧪 Testing

The implementation includes comprehensive tests covering:

• Single component cookie setting
• Batch component cookie handling
• Error handling for invalid parameters
• Integration with existing header functionality

All existing functionality remains unchanged and all tests pass.

📋 Checklist

• Feature implementation complete
• TypeScript types added
• Error handling implemented
• Tests written and passing
• Documentation updated
• No breaking changes
• Follows existing patterns