5774e00c09
* feat(sync): add opt-in Credentials toggle to Manage Sync Adds a new Credentials category (default OFF) that gates the encrypted fields (OPDS / KOSync / Readwise / Hardcover usernames, passwords, and tokens) at both the publish and pull pipelines. When off, sensitive fields never leave the device, the proactive passphrase prompt never fires, and the Sync passphrase panel is hidden entirely. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * security: bump keyring to version 4 --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>