feat: product badges and show page layout

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

resources/views/products/create.blade.php

@@ -133,6 +133,26 @@
                 </div>
                 @endif
 
+                <!-- Badges -->
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-2">
+                        Badges
+                    </label>
+                    <div class="mt-1 grid grid-cols-2 sm:grid-cols-4 gap-3">
+                        @foreach(\App\Models\Product::BADGES as $key => $label)
+                            <label class="flex items-center p-3 border border-gray-300 rounded-md">
+                                <input type="hidden" name="{{ $key }}" value="0">
+                                <input type="checkbox"
+                                       name="{{ $key }}"
+                                       value="1"
+                                       {{ old($key, false) ? 'checked' : '' }}
+                                       class="focus:ring-primary-500 h-4 w-4 text-primary-600 border-gray-300 rounded">
+                                <span class="ml-2 text-sm text-gray-900">{{ $label }}</span>
+                            </label>
+                        @endforeach
+                    </div>
+                </div>
+
                 <!-- Thumbnail -->
                 <div>
                     <label for="thumbnail" class="block text-sm font-medium text-gray-700">