🧪 Cache Persistence Test

This tool tests whether the date cache persists across page refreshes.

Test 1: Write Cache Entry

Write a test cache entry to localStorage with current timestamp.

Test 2: Read Cache Entry

Read the test cache entry and check its age. Refresh the page and click this button again to verify persistence.

Test 3: View All Date Caches

View all date cache entries currently in localStorage.

Test 4: Clear All Caches

Clear all date cache entries from localStorage.