WP Change Ledger v2.0.0

Complete rewrite.

• Renamed to WP Change Ledger
• Dedicated database table instead of serialized option
• Dual tracking: real-time hook listeners + daily cron snapshot checkers
• Hook-sourced events include user attribution and automatic vs manual detection
• Cron deduplication within 25-hour window
• Source field on every entry (hook / cron)
• previous_version field on all update events
• Configurable log retention (default 90 days)
• Cron health notice; respects DISABLE_WP_CRON
• Cron events self-heal on admin_init
• PSR-4 class structure under WPChangeLedger namespace
• Proper activation/deactivation lifecycle
• manage_options capability check on admin page
• All output escaped with esc_html()
• Paginated log table (50 entries per page)
• Tabbed admin UI: Log + Settings
• Change Log action link in plugin row
• Consistent naming (Tools > Change Ledger)