v1.3.0

• Changed all option keys, constants, AJAX hooks, cron hooks, transients, and HTML element IDs from rb_/RB_ prefix to sprb_/SPRB_ prefix for WordPress.org 4-character uniqueness requirement.
• Added automatic migration of existing rb_* option keys, cron events, and transients to sprb_* equivalents on upgrade.
• Added pull-token authentication on the REST /status endpoint (unauthenticated requests now return 401).
• Added == External services == section to readme.txt documenting the remote backup monitor pull-access feature.
• Changed Author URI to https://byronjacobs.com.