✨ feat(vscode): 代码阅读的函数和类可以看调用树

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

@@ -37,9 +37,18 @@ export interface EditTree {
   onStopRewrite: (anchor: string) => void
 }
 
+/** 函数、类落在几棵调用树里。定义浮窗不传，跟问 AI 一样不画这排按钮。 */
+export interface CallTreeTools {
+  counts: ReadonlyMap<string, number>
+  openAnchor?: string
+  onOpen: (anchor: string) => void
+}
+
 export interface BlockTreeState {
   /** 能编辑（页面上的块树）；定义卡片浮窗里没有 */
   edit?: EditTree
+  /** 调用树。只读的树不传 */
+  callTree?: CallTreeTools
   /** 眼下折叠着的块 id、属性行 id 和子行 id（propertyRowId、propertyItemId）：用户的选择叠在默认上，见 collapsedIds */
   collapsed: ReadonlySet<string>
   /** 按筛选不画的块（连同子孙），见 applyFilter */
@@ -227,6 +236,18 @@ function BlockPreview({ block, tree, marks }: { block: BlockView, tree: BlockTre
 }
 
 /** 这块的「重写注释」按钮，排在右上角那排按钮里：能写注释（commentTarget）、页面上能改代码时才有。 */
+function callTreeTool(block: BlockView, tree: BlockTreeState) {
+  const callTree = tree.callTree
+  if (!callTree || (block.kind !== 'function' && block.kind !== 'class'))
+    return undefined
+  return {
+    anchor: block.anchor,
+    count: callTree.counts.get(block.anchor) ?? 0,
+    open: callTree.openAnchor === block.anchor,
+    onOpen: () => callTree.onOpen(block.anchor),
+  }
+}
+
 function rewriteTool(block: BlockView, edit: EditTree | undefined): RewriteTool | undefined {
   if (!edit || !block.commentTarget)
     return undefined
@@ -319,6 +340,7 @@ function BlockCard({ block, tree }: { block: BlockView, tree: BlockTreeState }):
           asking={tree.qa?.state.open.includes(block.anchor)}
           onToggleAsk={tree.qa && (() => tree.qa?.onToggle(block.anchor))}
           rewrite={rewriteTool(block, edit)}
+          callTree={callTreeTool(block, tree)}
         />
       )}
     </div>