What Happened
- The PR replaces the separate in-flight workspace-creation sidecar with an optimistic `v2Workspaces` insert flow, so create requests are now represented in the main collection immediately, with completion/error transitions tied to sync state instead of duplicated renderer-side bookkeeping.
- The PR replaces the separate in-flight workspace-creation sidecar with an optimistic `v2Workspaces` insert flow, so create requests are now represented in the main collection immediately, with completion/error transitions tied to sync state instead of duplicated renderer-side bookkeeping.
- 1 evidence item attached for review.