DF8101: Cannot Change Dock Id

Message

Cannot change the id of a dock. Use register() to add new docks.

Cause

The update handle returned by ctx.docks.register(view) received a patch whose id differs from the original. Dock ids are immutable post-registration — they key the dock list and any shared-state references.

Fix

• Drop id from your patch; only pass the fields you actually want to mutate.
• To replace one dock with a different one: call ctx.docks.register(newView) (or register(newView, true) to overwrite an existing id).

Source

• packages/hub/src/node/host-docks.ts — DevframeDockHost.register() returns an update callable that throws this when the patch carries a different id.