Aggregate ladl.link slugs from all platform apps in the link list.

Sync QR and storefront short codes from sibling apps via a platform catalog API so My Links shows every ladl.link URL in one place.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Services/Link/PlatformLinkCatalogClient.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Services\Link;
+
+use Illuminate\Support\Facades\Http;
+
+/**
+ * Fetches ladl.link slugs created in other Ladill apps from the platform catalog API.
+ */
+class PlatformLinkCatalogClient
+{
+    private function base(): string
+    {
+        $platform = rtrim((string) config('app.platform_url', 'https://ladill.com'), '/');
+
+        return $platform.'/api/link-catalog';
+    }
+
+    private function token(): string
+    {
+        return (string) (config('billing.api_key') ?? '');
+    }
+
+    /** @return list<array<string, mixed>> */
+    public function linksForUser(string $publicId): array
+    {
+        if ($this->token() === '') {
+            return [];
+        }
+
+        try {
+            $response = Http::withToken($this->token())
+                ->acceptJson()
+                ->timeout(12)
+                ->get($this->base().'/links', ['user' => $publicId]);
+
+            if (! $response->successful()) {
+                return [];
+            }
+
+            return array_values(array_filter(
+                (array) ($response->json('links') ?? []),
+                fn ($row) => is_array($row) && filled($row['slug'] ?? null),
+            ));
+        } catch (\Throwable) {
+            return [];
+        }
+    }
+}