senke b93a5ca149 [FE-STATE-009] fe-state: Add state normalization ... - Created state normalization utility (stateNormalization.ts) with functions: * normalize/denormalize for converting arrays to normalized state * addToNormalized, updateInNormalized, removeFromNormalized * Helper functions for working with normalized state - Applied normalization to LibraryStore (items and favorites) - Updated storeSelectors to convert normalized state to arrays - Updated DashboardPage components to use new selectors - Updated tests to work with normalized state structure - Improved performance with O(1) lookups instead of O(n) array searches		2025-12-25 14:10:14 +01:00
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web	[FE-STATE-009] fe-state: Add state normalization	2025-12-25 14:10:14 +01:00