Add staff password reset, raise code upload limit, and guard restore sizing.

Admins and technical staff can reset passwords via PATCH /users/:id/password with scoped permissions for technical users; deploy/source uploads allow up to 10GiB and block deploy when allocated storage is smaller than uploaded archive or DB dump, with an inline error modal.

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

backend/src/applications/applications.controller.ts

@@ -70,7 +70,7 @@ export class ApplicationsController {
   @ApiOperation({ summary: 'Upload application code (zip file)' })
   @ApiConsumes('multipart/form-data')
   @UseInterceptors(FileInterceptor('file', {
-    limits: { fileSize: 200 * 1024 * 1024 }, // 200MB (WordPress sites can be large)
+    limits: { fileSize: 10 * 1024 * 1024 * 1024 }, // 10 GiB max application archive
   }))
   async uploadCode(
     @Param('id') id: string,