feat(cloud): Add support for viewing status of SSL in custom domains (#12011)

# Pull Request Template

## Description

Fixes
[CW-4620](https://linear.app/chatwoot/issue/CW-4620/rethinking-custom-domains-in-chatwoot)

<img width="642" height="187" alt="Screenshot 2025-07-29 at 8 17 44 PM"
src="https://github.com/user-attachments/assets/ad2f5dac-4b27-4dce-93ca-6cbba74443fb"
/>


## Type of change

- [x] New feature (non-breaking change which adds functionality)

## How Has This Been Tested?



## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

---------

Co-authored-by: Vishnu Narayanan <iamwishnu@gmail.com>
Co-authored-by: Pranav <pranavrajs@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

enterprise/app/controllers/enterprise/api/v1/accounts/portals_controller.rb

@@ -0,0 +1,15 @@
+module Enterprise::Api::V1::Accounts::PortalsController
+  def ssl_status
+    return render_could_not_create_error(I18n.t('portals.ssl_status.custom_domain_not_configured')) if @portal.custom_domain.blank?
+
+    result = Cloudflare::CheckCustomHostnameService.new(portal: @portal).perform
+
+    return render_could_not_create_error(result[:errors]) if result[:errors].present?
+
+    ssl_settings = @portal.ssl_settings || {}
+    render json: {
+      status: ssl_settings['cf_status'],
+      verification_errors: ssl_settings['cf_verification_errors']
+    }
+  end
+end