🧹 Clean Cache (Keep Wallet)

This clears app cache, stored pages, and PWA caches — but keeps your wallet backup (kinariWallet / kinariWallet_*). Your wallet should still load normally after reload.

✅ Preserved: kinariWallet, kinariWallet_*

✅ Preserved: sessionStorage.kinariPass (so you stay logged in)

🗑️ Cleared: cached pages, scroll cache, drafts, PWA caches, temporary UI state