Build Blazor Web App with Auth

Plan complex Blazor UI features by decomposing them into focused, composable components with clear data flow and implementation order.

Add authentication and authorization to a Blazor Web App, handling render modes, Identity pages, and auth state serialization.

Build forms, validate data, and react to user input in Blazor applications.

Fix interactive Blazor components that break during prerender: duplicate data loads, null references, UI flicker, and state loss. Persist state across the prerender-to-interactive handoff, disable prerendering, exclude pages from interactive routing, and detect prerender vs interactive at runtime.