- Updated `js/s3-quick.js` to support new manifest structure: `{ bucket, key, uploadId, parts: [{partNumber, url}] }`.
- Added logic to sort parts, upload chunks, collect ETags, and call `completeUrl` if present.
- Updated `js/ui/components/UploadModal.js` to handle manifest flow, validate new structure, and alert user if completion is manual (missing `completeUrl`).
- Updated `components/upload-modal.html` with new placeholder example and documentation note.
- Verified logic with reproduction script and UI with Playwright.
- Add `js/s3-quick.js` with `uploadWithManifest` and `uploadWithKeys`.
- Update `components/upload-modal.html` to add "Use presigned manifest" toggle and warning.
- Update `js/ui/components/UploadModal.js` to wire up the manifest upload flow.
- Add local persistence for quick S3 settings (though mainly handled by existing storage settings).
- Ensure keys are only used for client-side uploads or replaced by manifest flow.
google-labs-jules[bot]