Buffer rendering until root component arrives (#6)#16
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Suppress OnSurfaceChanged events during initial surface setup. CreateSurface and early updateDataModel/updateComponents no longer trigger re-renders. The first updateComponents that includes a root component flushes the surface in a single event, eliminating 2-3 redundant renders per surface creation. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
IsReadyflag toA2UISurfaceState— surfaces start not-ready and become ready when the root component arrivesCreateSurfaceand pre-readyupdateDataModel/updateComponentsno longer fireOnSurfaceChanged, eliminating 2-3 redundant Blazor re-renders per surface creationupdateComponentscontaining a root component flushes the surface in a single eventdeleteSurfacealways fires (even before ready) so cleanup is never missedCloses the v0.9 render buffering gap — the spec removed v0.8's
beginRenderingsignal in favor of client-side buffering until root arrives.Test plan
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