- Replaced `h-[80vh]` with standard `h-4/5` in `components/subscription-history-modal.html` to satisfy `lint:tailwind-brackets` token rules. Co-authored-by: PR0M3TH3AN <[email protected]>
- Added `SUBSCRIPTION_BACKUP` note type schema - Implemented `createBackup`, `fetchHistory`, `restoreBackup`, `rebroadcastBackup` in `SubscriptionsManager` - Added Subscription History UI modal with list/details view - Integrated History/Backup buttons into Profile Modal Subscriptions pane - Fixed XSS vulnerability in history details view - Added profile fetching for history details Co-authored-by: PR0M3TH3AN <[email protected]>