- Add helper text to the S3 storage configuration form to guide users on Endpoint URL format.
- Add 'Force Path Style' checkbox to S3 storage configuration to support MinIO and other S3-compatible providers that require it.
- Update `ProfileModalController` to toggle visibility of these new fields based on the selected provider.
- Update `ProfileModalController` to save and load the `forcePathStyle` setting.
- Update `tests/ui/storageService.test.mjs` to verify persistence of `forcePathStyle`.