docs: rescan rebased documentation hierarchy

packages/client/ui-layout/README.i18n.yaml

@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-layout/README.md
-README.md: cb99023e6a9e3364c6f48190cf4a0cd71da2cbba
-README.zh.md: a24dfa4d4eeb28fdc8df1d21daa3f6e9476d0062
+README.md: b01b35e9ec37e9b5b88046c3834c3aaeec70eb6e
+README.zh.md: c3e4bf1e1b48feb87e68b3b7c73f7f9d11d7fea3

packages/client/ui-layout/README.md

@@ -20,4 +20,4 @@ None; this package neither assembles nor sends a provider request.
 
 - **Panel geometry is transient** — reload restores the sidebar default and details closed; switching between distinct Session ids also closes details and forgets its dragged width, while unselected surfaces render details at zero width without modifying geometry.
 - **Concession-chain auto-close derives a zero width without touching the preferred width** — the panel restores itself when the window widens; consumers must not read the stored details width as the rendered truth.
-- **Scroll anchoring during squeeze reflow is not implemented** — deferred with the virtualized-list project.
+- **No scroll anchoring during squeeze reflow** — layout changes may move the reader's viewport.

packages/client/ui-layout/README.zh.md

@@ -20,4 +20,4 @@ AppFrame 始终挂载会话栏和详情栏；已连接 Session 通过 `SessionPr
 
 - **面板几何信息是瞬时状态**：重新加载会恢复侧边栏默认值，并使详情栏保持关闭；在不同会话 id 之间切换同样会关闭详情栏，并忘记拖动后的宽度，而未选中表面会以零宽度渲染详情栏，但不会修改几何信息。
 - **让步链自动关闭通过推导零宽度实现，不会改动宽度偏好**：窗口变宽时面板会自行恢复；消费方禁止把 store 中的详情宽度当作实际渲染状态。
-- **挤压重排期间尚未实现滚动锚定**：与虚拟化列表项目一并暂缓。
+- **挤压重排期间不提供滚动锚定**：布局变化可能移动读者的 viewport。