Allow storefront provision when editing a domain git URL.

Edit Domain can wire deploy_slug the same way as Add Domain so existing businesses get a Deploy button without recreating the domain.

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

src/business-admin/dto/update-domain.dto.ts

@@ -1,7 +1,16 @@
-import { IsString, MinLength } from 'class-validator';
+import { IsOptional, IsString, Matches, MinLength } from 'class-validator';
 
 export class UpdateDomainDto {
   @IsString()
   @MinLength(1)
   host!: string;
+
+  /** SSH git URL — when set, provisions storefront deploy on the websites VM. */
+  @IsOptional()
+  @IsString()
+  @Matches(/^(?:git@[\w.-]+:[\w./-]+\.git|ssh:\/\/git@[\w.-]+(?::\d+)?\/[\w./-]+\.git)$/i, {
+    message:
+      'gitRepoUrl must be an SSH git URL (e.g. git@git.meshkee.com:Meshkee-Websites/oaktasty.git)',
+  })
+  gitRepoUrl?: string;
 }