Add receipt logo upload and redesign thermal receipt header.

Per-location logo in settings with remove/replace support; receipt template reserves space at the top when a logo is set.

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

app/Models/PosLocation.php

@@ -5,6 +5,7 @@ namespace App\Models;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Support\Facades\Storage;
 
 class PosLocation extends Model
 {
@@ -19,6 +20,7 @@ class PosLocation extends Model
         'service_style',
         'receipt_footer',
         'receipt_header',
+        'receipt_logo_path',
         'printer_paper_mm',
         'printer_auto_print',
     ];
@@ -36,6 +38,15 @@ class PosLocation extends Model
         return $this->service_style === self::STYLE_RESTAURANT;
     }
 
+    public function receiptLogoUrl(): ?string
+    {
+        if (! $this->receipt_logo_path) {
+            return null;
+        }
+
+        return Storage::disk('public')->url($this->receipt_logo_path);
+    }
+
     public function products(): HasMany
     {
         return $this->hasMany(PosProduct::class, 'location_id');