New Features
- Added an opt-in Obsidian Keychain password provider for whole-note and inline encryption, with Obsidian's native secret selector. Only the secret ID is stored in plugin settings; configure the secret on each device.
- Keychain passwords are used for decryption when available, with manual entry as a fallback. Manual passwords never overwrite the shared secret.
Improvements
- Explicit encryption now always shows a password dialog for new notes, note conversions, and inline text across all password providers. The provider password is prefilled and can be overridden, with optional confirmation and hints. Saving an already unlocked note does not prompt again.
- Clarified password-provider settings and Keychain behavior. Changing a note or inline block's password affects only that content; changing a Keychain secret does not update existing encrypted content. Keep old passwords for existing notes and backups.