tier b has no unblocked work left

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

docs/workspace-panel-todo.md

@@ -34,8 +34,10 @@ before deciding what to pick up next. Its conclusions in one paragraph:
   signal that fires on a real close and on nothing else, and the terminals use it; the chat panel
   deliberately does not, which is the inversion above. **§5.4's first item is closed** (`1de1d92`) — the
   allow-list is a `WorkspaceView` prop and the fourteen copies are gone. Tier B is now the pty backstop
-  (the third item of §5.1), the default-layout collapse (the second item of §5.4) and the mobile
-  decision (§6).
+  (the third item of §5.1) and the mobile decision (§6) — **both of which are blocked on a question
+  only the owner can answer**, not on work. §5.4's second item was inventoried and dropped as
+  compression rather than deduplication; see the item for the reasoning and the three defects the
+  inventory turned up instead. **Tier B has no unblocked work left.**
 - **Tier C, orthogonal:** everything else — including **§5.2 (remounts) and §5.3 (drag-to-move), both
   large downgrades.** A panel is now a pointer to a server-side session, so a remount costs a replay, and
   the drag hazard is disarmed by resolving identity by name (`e588524` + `bc82086`).