Wire LadillLink through QrCode model and remaining QR surfaces.

Public URLs, encoded payloads, slug preview, payment callbacks, and asset paths now use ladl.link instead of ladill.com/q/*.

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

app/Http/Controllers/Qr/QrCodeController.php

@@ -313,7 +313,7 @@ class QrCodeController extends Controller
             }
         }
 
-        $png = $this->imageGenerator->renderPng(QrCode::publicBaseUrl() . '/q/' . $shortCode, $style);
+        $png = $this->imageGenerator->renderPng(\App\Support\LadillLink::url($shortCode), $style);
 
         if ($tempLogoPath) {
             Storage::disk('qr')->delete($tempLogoPath);

app/Models/QrCode.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Support\LadillLink;
 use App\Support\Qr\QrStyleDefaults;
 use App\Support\Qr\QrTypeCatalog;
 use App\Support\Qr\QrWifiPayload;
@@ -83,23 +84,19 @@ class QrCode extends Model
 
     public function publicUrl(): string
     {
-        return self::publicBaseUrl() . '/q/' . $this->short_code;
+        return LadillLink::url($this->short_code);
+    }
+
+    public function publicPath(string $suffix = ''): string
+    {
+        return $suffix === ''
+            ? $this->publicUrl()
+            : LadillLink::path($this->short_code, $suffix);
     }
 
-    /**
-     * Base URL for public QR links. Always the short platform domain
-     * (ladill.com) — never the signed-in account/product host — so printed
-     * codes and shared links stay short and host-independent of where the QR
-     * was created.
-     */
     public static function publicBaseUrl(): string
     {
-        $appUrl = (string) config('app.url');
-        $scheme = parse_url($appUrl, PHP_URL_SCHEME) ?: 'https';
-        $host = (string) config('app.platform_domain')
-            ?: (parse_url($appUrl, PHP_URL_HOST) ?: 'ladill.com');
-
-        return $scheme . '://' . $host;
+        return LadillLink::baseUrl();
     }
 
     /**

app/Support/DirectTransferFileUrl.php

@@ -2,7 +2,6 @@
 
 namespace App\Support;
 
-use App\Models\QrCode;
 use App\Models\Transfer;
 use App\Models\TransferFile;
 use RuntimeException;
@@ -16,6 +15,6 @@ class DirectTransferFileUrl
             throw new RuntimeException('Transfer file URL is unavailable.');
         }
 
-        return QrCode::publicBaseUrl().'/q/'.$shortCode.'/transfer/files/'.$file->id;
+        return LadillLink::path($shortCode, 'transfer/files/'.$file->id);
     }
 }

app/Support/LadillLink.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Support;
+
+/**
+ * Canonical short-link URLs for the Ladill platform (ladl.link).
+ */
+final class LadillLink
+{
+    public static function baseUrl(): string
+    {
+        $domain = (string) config('link.public_domain', 'ladl.link');
+
+        return 'https://'.$domain;
+    }
+
+    public static function url(string $slug): string
+    {
+        return rtrim(self::baseUrl(), '/').'/'.ltrim($slug, '/');
+    }
+
+    public static function path(string $slug, string $suffix): string
+    {
+        return self::url($slug).'/'.ltrim($suffix, '/');
+    }
+}