feat: add reminders page, BMad skills upgrade, MCP server refactor

- Add reminders page with navigation support
- Upgrade BMad builder module to skills-based architecture
- Refactor MCP server: extract tools and auth into separate modules
- Add connections cache, custom AI provider support
- Update prisma schema and generated client
- Various UI/UX improvements and i18n updates
- Add service worker for PWA support

Made-with: Cursor

keep-notes/hooks/useUndoRedo.ts

@@ -1,4 +1,5 @@
 import { useState, useCallback, useRef } from 'react'
+import { deepEqual } from '@/lib/utils'
 
 export interface UndoRedoState<T> {
   past: T[]
@@ -42,7 +43,7 @@ export function useUndoRedo<T>(initialState: T): UseUndoRedoReturn<T> {
           : newState
 
       // Don't add to history if state hasn't changed
-      if (JSON.stringify(resolvedNewState) === JSON.stringify(currentHistory.present)) {
+      if (deepEqual(resolvedNewState, currentHistory.present)) {
         return currentHistory
       }