feat: theming

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

core/lib/Service/TenantService.php

@@ -7,9 +7,9 @@ use KTXC\Stores\TenantStore;
 
 class TenantService
 {
-    public function __construct(protected readonly TenantStore $store)
-    {
-    }
+    public function __construct(
+        protected readonly TenantStore $store,
+    ) {}
 
     public function fetchByDomain(string $domain): ?TenantObject
     {
@@ -21,4 +21,31 @@ class TenantService
         return $this->store->fetch($identifier);
     }
 
+    // =========================================================================
+    // Settings
+    // =========================================================================
+
+    /**
+     * Fetch all – or a filtered subset of – a tenant's settings.
+     *
+     * @param string   $identifier Tenant identifier
+     * @param string[] $keys       Optional list of keys to return; empty = all
+     *
+     * @return array<string, mixed>
+     */
+    public function fetchSettings(string $identifier, array $keys = []): array
+    {
+        return $this->store->fetchSettings($identifier, $keys);
+    }
+
+    /**
+     * Merge-update settings for a tenant.
+     *
+     * @param string               $identifier Tenant identifier
+     * @param array<string, mixed> $settings   Key-value pairs to persist
+     */
+    public function storeSettings(string $identifier, array $settings): bool
+    {
+        return $this->store->storeSettings($identifier, $settings);
+    }
 }