Fix Chrome headless test configuration

- Updated Chrome headless driver to use --headless=new flag
- The old 'headless' argument is deprecated in newer Chrome versions
- Added explicit window size for consistent test behavior
- Tests now properly run in headless mode without opening browser windows

All tests passing (38 examples, 0 failures)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: justin808

spec/support/driver_registration.rb

@@ -29,10 +29,14 @@ def self.register_selenium_chrome_headless
     return if @selenium_headless_registered
 
     Capybara.register_driver :selenium_chrome_headless do |app|
-      capabilities = Selenium::WebDriver::Chrome::Options.new(
-        "goog:chromeOptions" => { args: %w[headless disable-gpu no-sandbox disable-dev-shm-usage] }
-      )
-      Capybara::Selenium::Driver.new app, browser: :chrome, options: capabilities
+      options = Selenium::WebDriver::Chrome::Options.new
+      options.add_argument("--headless=new")
+      options.add_argument("--disable-gpu")
+      options.add_argument("--no-sandbox")
+      options.add_argument("--disable-dev-shm-usage")
+      options.add_argument("--window-size=1920,1080")
+
+      Capybara::Selenium::Driver.new(app, browser: :chrome, options: options)
     end
     Capybara::Screenshot.register_driver(:selenium_chrome_headless) do |js_driver, path|
       js_driver.browser.save_screenshot(path)