Offline Support and Large-KB Performance — pyrite

Offline resilience and performance for large KBs (5000+ entries):

Offline:

IndexedDB cache for offline reads (entries, KBs, search index)

Save queue for offline writes — sync when connection restored

Service worker for asset caching

Visual indicator for offline/online status

Performance:

Virtual scrolling for entry lists (handle 5000+ entries without DOM bloat)

Lazy loading for graph data

Debounced search with client-side caching

npm dependency: `idb` (IndexedDB wrapper)

Offline Support and Large-KB Performancebacklog_item