feat(ai): finalize AI magic edits epic rollout and operations

app/Models/AiStyle.php

@@ -10,9 +10,37 @@ class AiStyle extends Model
 {
     use HasFactory;
 
+    protected static function booted(): void
+    {
+        static::creating(function (self $style): void {
+            if ((int) ($style->version ?? 0) < 1) {
+                $style->version = 1;
+            }
+        });
+
+        static::updating(function (self $style): void {
+            $versionedFields = [
+                'prompt_template',
+                'negative_prompt_template',
+                'provider',
+                'provider_model',
+                'metadata',
+                'is_premium',
+                'requires_source_image',
+            ];
+
+            if ($style->isDirty($versionedFields)) {
+                $current = max(1, (int) ($style->getOriginal('version') ?? 1));
+                $requested = max(1, (int) ($style->version ?? 0));
+                $style->version = max($requested, $current + 1);
+            }
+        });
+    }
+
     protected $fillable = [
         'key',
         'name',
+        'version',
         'category',
         'description',
         'prompt_template',
@@ -32,6 +60,7 @@ class AiStyle extends Model
             'requires_source_image' => 'boolean',
             'is_premium' => 'boolean',
             'is_active' => 'boolean',
+            'version' => 'integer',
             'sort' => 'integer',
             'metadata' => 'array',
         ];