🐛 fix(vscode): Rust 卡片照抄的类型、签名逐个名字带下标，返回类型也能悬停跳转

vscode/src/codeReader/rules/axum.ts

@@ -1,6 +1,7 @@
 import type { FunctionBlock, Inline, KindBadge, LibraryRule, Node, PropertyItem, PropertyRow, RuleCard, RuleContext, ThemeColor } from '../contract'
 import { returnNote, throwsRows, writtenParamRows } from './docRows'
-import { attributeName, docSummary, named, oneLine, returnText, stringContent } from './rustTree'
+import { returnValue } from './rustRows'
+import { attributeName, docSummary, named, stringContent } from './rustTree'
 
 /** 和 FastAPI 接口同一个蓝。 */
 const COLOR: ThemeColor = { dark: '#61afef', light: '#1a6fb5' }
@@ -52,14 +53,14 @@ function attributeRoute(block: FunctionBlock): Route | undefined {
 function card(block: FunctionBlock, route: Route, context: RuleContext): RuleCard {
   const doc = block.facts.doc && context.doc(block.facts.doc)
   const summary = docSummary(doc)
-  const params = pathParams(route.path, block.node)
+  const params = pathParams(route.path, block.node, context)
   const rows: PropertyRow[] = [
     nameRow(block.facts.name),
     ...(summary ? [{ label: '说明', value: { markdown: summary } }] : []),
     ...(block.facts.async ? [{ label: '异步', value: [keyword('是')] }] : []),
     requestRow(route, params),
     ...writtenParamRows(doc?.params ?? [], '参数'),
-    { label: '返回', value: [plain(returnText(block.node))], ...returnNote(doc) },
+    { label: '返回', value: returnValue(block.facts.returnType, context), ...returnNote(doc) },
     ...throwsRows(doc),
   ]
   return {
@@ -86,7 +87,7 @@ function handled(node: Node, handler: string | undefined): boolean {
 
 function routerCard(node: Node, route: Route & { handlerNode?: Node }, context: RuleContext): RuleCard {
   const fn = route.handler ? functionNamed(node, route.handler) : undefined
-  const params = fn ? pathParams(route.path, fn) : []
+  const params = fn ? pathParams(route.path, fn, context) : []
   const comment = fn && leadingDoc(fn)
   const doc = docSummary(comment && context.doc(comment))
   return {
@@ -96,17 +97,17 @@ function routerCard(node: Node, route: Route & { handlerNode?: Node }, context:
       { label: '名称', value: route.handler ? [plain(route.handler)] : [hint('路由')] },
       ...(doc ? [{ label: '说明', value: { markdown: doc } }] : []),
       requestRow(route, params),
-      { label: '返回', value: [plain(fn ? returnText(fn) : '—')] },
+      { label: '返回', value: fn ? returnValue(fn.childForFieldName('return_type'), context) : [plain('—')] },
     ],
     absorbs: [],
   }
 }
 
-function requestRow(route: Route, params: string[]): PropertyRow {
+function requestRow(route: Route, params: Inline[][]): PropertyRow {
   const items: PropertyItem[] = [
     { cells: [[plain('方法')], [keyword(route.method)]] },
     { cells: [[plain('路径')], [{ text: route.path, role: 'string' }]] },
-    ...(params.length > 0 ? [{ cells: [[plain('路径参数')], params.map(text => plain(text)).flatMap((part, index) => index === 0 ? [part] : [plain(', '), part])] }] : []),
+    ...(params.length > 0 ? [{ cells: [[plain('路径参数')], params.flatMap((part, index) => index === 0 ? part : [plain(', '), ...part])] }] : []),
   ]
   return {
     label: '请求',
@@ -141,15 +142,12 @@ function routesOn(node: Node, found: (Route & { handlerNode?: Node })[] = []): (
   return found
 }
 
-/** 路径里的 {名字} 对上参数。Path(id): Path<Uuid> 写成 id: Uuid。 */
-function pathParams(path: string, fn: Node): string[] {
+/** 路径里的 `{名字}` 对上函数的参数：`Path(id): Path<Uuid>` 写成 `id: Uuid`，类型照抄成一行、名字各自带源码下标。 */
+function pathParams(path: string, fn: Node, context: RuleContext): Inline[][] {
   const names = [...path.matchAll(/\{(\w+)\}/g)].map(match => match[1] ?? '')
-  return names.flatMap((name) => {
-    const param = parameterNamed(fn, name)
-    if (!param)
-      return [`${name}`]
-    const type = innerType(param.childForFieldName('type'))
-    return [type ? `${name}: ${type}` : name]
+  return names.map((name) => {
+    const type = innerType(parameterNamed(fn, name)?.childForFieldName('type'))
+    return type ? [plain(`${name}: `), ...context.verbatim(type)] : [plain(name)]
   })
 }
 
@@ -163,15 +161,11 @@ function parameterNamed(fn: Node, name: string): Node | undefined {
   })
 }
 
-function innerType(type: Node | null): string | undefined {
-  if (!type)
-    return undefined
-  if (type.type === 'generic_type' && type.childForFieldName('type')?.text === 'Path') {
-    const arg = named(type.childForFieldName('type_arguments'))[0]
-    if (arg)
-      return oneLine(arg.text)
-  }
-  return oneLine(type.text)
+/** 路径参数的类型：`Path<Uuid>` 取尖括号里的第一个，别的写法就是它自己。 */
+function innerType(type: Node | null | undefined): Node | undefined {
+  if (type?.type === 'generic_type' && type.childForFieldName('type')?.text === 'Path')
+    return named(type.childForFieldName('type_arguments'))[0] ?? type
+  return type ?? undefined
 }
 
 function itemAttributesHasRoute(fn: Node): boolean {