Test coverage:
- Add config=None branch test for dropbox, onedrive, google_drive views (100% coverage)
- Add WATCH_FOLDER source-type test (folder_path vs folder key)
- Add integration-not-found fallback-to-admin-mode test
WCAG 2.1 AA fixes:
- Add aria-labelledby="modalTitle" to role="dialog" modals in setup templates
- Add aria-hidden="true" to decorative SVGs in callback templates
- Add role="status" aria-label="Loading" to spinner divs
- Add aria-live="polite" to processing-message and success/folder-selection regions
- Add role="alert" aria-live="assertive" to error containers
- Update "Return to Setup" link to preserve integration_id in user mode
Docs: update DropboxSetup.md, GoogleDriveSetup.md, OneDriveSetup.md with per-user OAuth flow section
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
- Implemented `google_drive_callback.html` for processing Google Drive authorization, including UI for success and error states.
- Added JavaScript functionality for exchanging authorization codes, saving settings, and handling folder selection.
- Created `google_drive_callback_error.html` to display error messages during the authorization process.