l3-performance-optimization

Post-migration async/await and .NET 10 performance optimization pass for Blazor apps migrated from Web Forms. Applies modern runtime patterns after the app builds and runs. WHEN: "run L3 optimization", "apply async/await fixes", "optimize migrated Blazor app", "AsNoTracking queries", "StreamRendering", "IDbContextFactory pattern", "what .NET 10 optimizations can we apply", "generate L3 report".