✨ feat(vscode): 重写注释留会话记录、能接着说，允许画原型图

每块的重写记录存进 .spx/comment-rewrites.json（和问答分开，改名、删文件跟着走），块下面同问答区：灰字历史、当前这一轮、输入框；输入框里的话接着这块最近一次重写的会话说，交回新正文照样写回，写回失败也记下原因。
重写跑在 claude --restricted 下：只放开读搜、OpenPencil 的 op、建 prototypes 目录、改草稿目录，写注释的插件单独加载；超时 15 分钟。
进行中的、出错被叫停留着的那一轮记在扩展端，切走标签页再切回来照样接上（问 AI 同一套）。

vscode/webview-ui/src/codeReader/App.tsx

@@ -59,8 +59,8 @@ export function App(): ReactElement | null {
   const qa = useQa()
   /** 侧栏「问 AI」要聚焦顶部输入框时加一 */
   const [pathFocus, setPathFocus] = useState(0)
-  /** 按注释规范重写的过程，只在这一页上 */
-  const rewrites = useRewrite()
+  /** 按注释规范重写：和问 AI 共用 profile 下拉 */
+  const rewrite = useRewrite(qa.state.profiles, qa.onSelectProfile)
   const [doc, setDoc] = useState<DocumentMessage | null>(null)
   const [view, setView] = useState<BlockModes>(savedBlockModes)
   const [focusId, setFocusId] = useState<string | null>(null)
@@ -213,9 +213,6 @@ export function App(): ReactElement | null {
           editing: prev.editing.includes(id) ? prev.editing.filter(other => other !== id) : startEditing(doc.blocks, prev.editing, id),
         }))
       },
-      rewrites: rewrites.runs,
-      onRewriteComment: rewrites.onRewrite,
-      onStopRewrite: rewrites.onStop,
     },
     collapsed,
     hidden: filter.hidden,
@@ -225,6 +222,7 @@ export function App(): ReactElement | null {
     onToggleFold: id => setFolded([id], !collapsed.has(id)),
     onSetFolds: folds => setView(prev => ({ ...prev, folds: { ...prev.folds, ...folds } })),
     ...(qa.state.available && { qa }),
+    ...(rewrite.state.available && { rewrite }),
     ...(changes && { diff: changes }),
     ...(folded && { folded }),
     onOpenRun: id => setOpenedRuns(prev => new Set([...prev, id])),
@@ -233,7 +231,7 @@ export function App(): ReactElement | null {
       ...(openCall?.version === doc.version && { openAnchor: openCall.anchor }),
       onOpen: onOpenCall,
     },
-  }, [doc, view, collapsed, filter, covered, kindName, focusId, onFocused, setFolded, rewrites, qa, changes, folded, callCounts, openCall, onOpenCall])
+  }, [doc, view, collapsed, filter, covered, kindName, focusId, onFocused, setFolded, rewrite, qa, changes, folded, callCounts, openCall, onOpenCall])
 
   if (!doc || !tree)
     return null