🐛 Keep SDK helper split independent

Why: the first stack slice should validate on its own instead of reaching into the later uploader-boundary PR. Keep the SDK public factory wired to the existing uploader service until that boundary is migrated in its dedicated slice.

Author: Robdel12

src/sdk/index.js

@@ -19,7 +19,7 @@ import {
   stopServer as stopScreenshotServer,
 } from '../screenshot-server/index.js';
 import { createTDDService } from '../tdd/tdd-service.js';
-import { createUploader } from '../uploader/index.js';
+import { createUploader } from '../services/uploader.js';
 import { loadConfig } from '../utils/config-loader.js';
 import { resolveImageBuffer } from '../utils/file-helpers.js';
 import * as output from '../utils/output.js';
@@ -450,7 +450,7 @@ export class VizzlySDK extends EventEmitter {
 
 export { createTDDService } from '../tdd/tdd-service.js';
 // Export service creators for advanced usage
-export { createUploader } from '../uploader/index.js';
+export { createUploader } from '../services/uploader.js';
 // Re-export key utilities and errors
 export { loadConfig } from '../utils/config-loader.js';
 export * as output from '../utils/output.js';