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When switching tabs rapidly or closing multiple tabs, the taskbar shows "ghost" workspaces — entries with no name, no coordinates, and no active state. The ghosts appear at positions where workspaces were removed and then recreated by the compositor. When a compositor removes a workspace (sends `removed` event) and the client calls Destroy(), the proxy is marked as zombie but stays in the Context.objects map. For server-created objects (IDs >= 0xFF000000), the server never sends `delete_id`, so the zombie proxy persists indefinitely. When the compositor later creates a new workspace that gets a recycled server object ID, GetProxy() returns the old zombie proxy. The dispatch loop in GetDispatch() checks IsZombie() and silently drops ALL events for zombie proxies — including property events (name, id, coordinates, state, capabilities) intended for the new workspace. This causes the ghost workspaces with empty properties in the UI. Fix: check IsZombie() when handling `workspace` and `workspace_group` events that carry a `new_id` argument. If the existing proxy is a zombie, treat it as absent and create a fresh proxy via registerServerProxy(), which replaces the zombie in the map. Subsequent property events are then dispatched to the live proxy.