Surface connected domains in Ladill Domains' My Domains

Push the customer's connected domain to the central connected-domains registry
so it appears under My Domains (with Transfer in if not registered with Ladill).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/Services/CustomDomain/DomainsSslClient.php

@@ -49,4 +49,37 @@ class DomainsSslClient
             return false;
         }
     }
+
+    /** Register/update this domain in Ladill Domains' connected-domains registry (best-effort). */
+    public function registerConnected(string $host, string $ownerPublicId, ?string $label = null, ?string $linkUrl = null): void
+    {
+        if (! $this->configured() || $ownerPublicId === '') {
+            return;
+        }
+        try {
+            Http::withToken((string) config('customdomain.ssl_api_key'))->acceptJson()->timeout(10)
+                ->post(config('customdomain.ssl_api_url').'/connected-domains', array_filter([
+                    'host' => $host,
+                    'owner_public_id' => $ownerPublicId,
+                    'label' => $label,
+                    'link_url' => $linkUrl,
+                ]));
+        } catch (\Throwable $e) {
+            Log::info('DomainsSslClient: connected register skipped', ['host' => $host, 'error' => $e->getMessage()]);
+        }
+    }
+
+    /** Remove this domain from the connected-domains registry (best-effort). */
+    public function removeConnected(string $host): void
+    {
+        if (! $this->configured()) {
+            return;
+        }
+        try {
+            Http::withToken((string) config('customdomain.ssl_api_key'))->acceptJson()->timeout(10)
+                ->delete(config('customdomain.ssl_api_url').'/connected-domains/'.urlencode($host));
+        } catch (\Throwable $e) {
+            Log::info('DomainsSslClient: connected remove skipped', ['host' => $host, 'error' => $e->getMessage()]);
+        }
+    }
 }