diff --git a/vscode/src/codeReader/blockView.test.ts b/vscode/src/codeReader/blockView.test.ts
index 2f6f981..e35c1aa 100644
--- a/vscode/src/codeReader/blockView.test.ts
+++ b/vscode/src/codeReader/blockView.test.ts
@@ -406,7 +406,7 @@ describe('blockView', () => {
     }
     const source = 'class Box:\n    pass\n'
     const [view] = await withBlocks(language, 'python', source, blocks =>
-      toBlockViews(blocks, { source, language, markers: [] }, pythonZhTranslator, { rules: [rule], report: () => {} }))
+      toBlockViews(blocks, { source, language, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: [rule], report: () => {} }))
     expect(view?.concepts).toEqual([
       { id: 'class', label: '类', icon: 'box' },
       { id: 'python.abstract', label: '抽象', icon: 'braces' },
diff --git a/vscode/src/codeReader/blockView.ts b/vscode/src/codeReader/blockView.ts
index 40092b4..0532647 100644
--- a/vscode/src/codeReader/blockView.ts
+++ b/vscode/src/codeReader/blockView.ts
@@ -236,16 +236,19 @@ function embeddedReading({ steps, document, translator }: EmbeddedPart): Embedde
 }
 
 /**
- * 用哪些库规则（某 languageId 注册的，按注册顺序；这份源码导入了规则关心的库才启用），规则出错时怎么记，
+ * 用哪些库规则（languageId 这种语言注册的，按注册顺序；这份源码导入了规则关心的库才启用，见 [activeRules]），规则出错时怎么记，
  * 规则查名字的定义时交出眼下知道的（RuleContext.lookup，见 ruleLookups.ts）；没给时总是没查到。
  */
 export interface RuleRun {
+  /** 这份源码的 languageId：规则在有的语言里不看导入就启用（[LibraryRule.alwaysIn]） */
+  languageId: string
   rules: readonly LibraryRule[]
   report: (message: string) => void
   lookup?: RuleContext['lookup']
 }
 
-const NO_RULES: RuleRun = { rules: [], report: () => {} }
+/** 不用库规则（嵌着的代码）：没有规则，languageId 用不上。 */
+const NO_RULES: RuleRun = { languageId: '', rules: [], report: () => {} }
 
 /** 源码里一段的结尾：到哪个字符为止（不含），那个字符在第几行。 */
 type SpanEnd = Pick<SourceSpan, 'endIndex' | 'endRow'>
@@ -366,7 +369,7 @@ export function toBlockViews(
    */
   function layer(layerBlocks: readonly CodeBlock[], layerDocument: SourceDocument, layerTranslator: Translator | undefined, layerRules: RuleRun, writable: boolean): (list: readonly CodeBlock[], prefix: string, scope: string, from?: number) => BlockView[] {
     const imports = importsIn(layerBlocks)
-    const active = activeRules(layerRules.rules, imports)
+    const active = activeRules(layerRules.rules, imports, layerRules.languageId)
     const context: RuleContext = {
       document: layerDocument,
       imports,
diff --git a/vscode/src/codeReader/contract.ts b/vscode/src/codeReader/contract.ts
index 32cbbe2..2716151 100644
--- a/vscode/src/codeReader/contract.ts
+++ b/vscode/src/codeReader/contract.ts
@@ -1343,9 +1343,14 @@ export interface LibraryRule {
   /**
    * 关心的库（模块名）：这份源码里有一条导入（ImportFacts.sources，去掉引号）等于它、或以「它.」「它/」「它::」开头（它的子模块；Rust 的路径用 ::）才启用。
    * 宿主按语言插件给的导入判断，规则不用自己读导入语句。空数组是不看导入、languageIds 里这几种语言的源码都启用
-   * （React 组件：新的 JSX 写法不用导入 react，TSX / JSX 文件里就是 React 组件）。
+   * （Pydantic：子类文件常常只导入父模型）。
    */
   libraries: string[]
+  /**
+   * languageIds 里不看导入就启用的那几种语言，别的语言照 libraries 看导入；不填就是都照 libraries 看。
+   * React：新的 JSX 写法不用导入 react，TSX / JSX 文件都启用；.ts / .js 里的 `useXxx` 不一定是钩子（zustand 的 store），导入了 react 才启用。
+   */
+  alwaysIn?: string[]
   /**
    * 看一块：认领就返回替身，不认就返回 undefined。宿主从顶层往下每块都问（被认领的块留下的子块照样问）。
    * 几个规则都认同一块时先注册的算；规则抛错、或替身不合上面的约定时，宿主记日志、当它没认，接着问下一个规则。
diff --git a/vscode/src/codeReader/editor/definitionSources.test.ts b/vscode/src/codeReader/editor/definitionSources.test.ts
index fa8121a..86df345 100644
--- a/vscode/src/codeReader/editor/definitionSources.test.ts
+++ b/vscode/src/codeReader/editor/definitionSources.test.ts
@@ -12,7 +12,7 @@ const py = createPythonAdapter(WASM_DIR)
 const SNAPSHOT = readFixture('celeryApp.py')
 
 function views(source: string): Promise<BlockView[]> {
-  return withBlocks(py, 'python', source, blocks => toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { rules: [celeryRule], report: () => {} }))
+  return withBlocks(py, 'python', source, blocks => toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: [celeryRule], report: () => {} }))
 }
 
 /** 记下问了哪边：规则（引用的键）还是语言扩展（下标）。 */
diff --git a/vscode/src/codeReader/editor/documentMessage.ts b/vscode/src/codeReader/editor/documentMessage.ts
index 7f7be20..2cda601 100644
--- a/vscode/src/codeReader/editor/documentMessage.ts
+++ b/vscode/src/codeReader/editor/documentMessage.ts
@@ -80,7 +80,7 @@ export async function documentMessage(
     const rules = registry.rulesFor(languageId)
     const { blocks, colors, displayNames, symbols, imports, kinds, bindings } = await readBlockViews(runtime, adapter, translator, languageId, source, {
       ...(document.fileName && { fileName: document.fileName }),
-      rules: { rules, report, lookup },
+      rules: { languageId, rules, report, lookup },
       calleeKind,
       commandRule: commandRuleLookup(registry.commandRulesFor(languageId), report),
       embedded: (embeddedId) => {
diff --git a/vscode/src/codeReader/editor/pageBlocks.test.ts b/vscode/src/codeReader/editor/pageBlocks.test.ts
index f99b40f..2c093cc 100644
--- a/vscode/src/codeReader/editor/pageBlocks.test.ts
+++ b/vscode/src/codeReader/editor/pageBlocks.test.ts
@@ -97,7 +97,7 @@ describe('react 钩子卡片发给页面', () => {
     const ts = createTypeScriptAdapter(WASM_DIR)
     const source = ['import { useState } from "react";', 'export function Box() {', '  const [n, setN] = useState(0);', '  return <i>{n}</i>;', '}'].join('\n')
     const views = await withBlocks(ts, 'typescriptreact', source, blocks =>
-      toBlockViews(blocks, { source, language: ts, markers: [] }, typescriptZhTranslator, { rules: [reactRule], report: () => {} }))
+      toBlockViews(blocks, { source, language: ts, markers: [] }, typescriptZhTranslator, { languageId: 'typescriptreact', rules: [reactRule], report: () => {} }))
     const hook = pageBlocks(views, source)[1].children[0]
     expect(hook.kind).toBe('react.hook')
     expect(hook.tint).toEqual({ dark: '#61dafb', light: '#0a7ea4' })
diff --git a/vscode/src/codeReader/fixtures/useShellEvents.ts.txt b/vscode/src/codeReader/fixtures/useShellEvents.ts.txt
new file mode 100644
index 0000000..4573505
--- /dev/null
+++ b/vscode/src/codeReader/fixtures/useShellEvents.ts.txt
@@ -0,0 +1,42 @@
+"use client";
+
+import { useEffect } from "react";
+import { useRouter } from "next/navigation";
+
+import { useDesktopShellInfo } from "@/hooks/use-desktop-shell-info";
+import { useSidebarCollapsed } from "@/lib/sidebar-collapsed";
+
+import { useDesktopShell } from "./store";
+import { tauriBridge } from "./tauri-bridge";
+
+/**
+ * 挂载时经 [tauriBridge] 取一次全量状态与壳留存的活动，之后靠事件同步；不在壳里时什么也不取。
+ *
+ * 另在这里注册窗口内快捷键。
+ */
+export const useShellEvents = () => {
+  const router = useRouter();
+  const shell = useDesktopShellInfo();
+  const { toggle: toggleSidebar } = useSidebarCollapsed();
+
+  useEffect(() => {
+    const s = useDesktopShell.getState();
+    void tauriBridge.state().then((state) => state && s.applyState(state));
+    const subs = [
+      tauriBridge.listen("desktop://new-session", () => router.push("/chat/code")),
+    ];
+    return () => {
+      void Promise.all(subs).then((unlisteners) => unlisteners.forEach((unlisten) => unlisten?.()));
+    };
+  }, [router]);
+
+  // 输入框有焦点时也生效: 这些组合键输入框本来就不吃
+  useEffect(() => {
+    if (!shell) return;
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key === "b") toggleSidebar();
+    };
+    window.addEventListener("keydown", onKey);
+    return () => window.removeEventListener("keydown", onKey);
+  }, [shell, toggleSidebar]);
+};
diff --git a/vscode/src/codeReader/languages/exceptions.test.ts b/vscode/src/codeReader/languages/exceptions.test.ts
index 7a28f49..abb7a2b 100644
--- a/vscode/src/codeReader/languages/exceptions.test.ts
+++ b/vscode/src/codeReader/languages/exceptions.test.ts
@@ -24,7 +24,7 @@ const RULES = [sqlalchemyRule, celeryRule, enumRule, dataclassRule]
 
 function views(adapter: LanguageAdapter, languageId: string, translator: Translator, source: string): Promise<BlockView[]> {
   return withBlocks(adapter, languageId, source, blocks =>
-    toBlockViews(blocks, { source, language: adapter, markers: [] }, translator, { rules: RULES, report: () => {} }))
+    toBlockViews(blocks, { source, language: adapter, markers: [] }, translator, { languageId, rules: RULES, report: () => {} }))
 }
 
 const pyViews = (source: string): Promise<BlockView[]> => views(py, 'python', pythonZhTranslator, source)
diff --git a/vscode/src/codeReader/languages/rust.test.ts b/vscode/src/codeReader/languages/rust.test.ts
index 3cbe2b1..cb2f96a 100644
--- a/vscode/src/codeReader/languages/rust.test.ts
+++ b/vscode/src/codeReader/languages/rust.test.ts
@@ -16,6 +16,7 @@ const sample = readFixture('rustLang.rs')
 function views(source: string, fileName?: string): Promise<BlockView[]> {
   return withBlocks(adapter, 'rust', source, blocks =>
     toBlockViews(blocks, { source, language: adapter, markers: [], ...(fileName && { fileName }) }, rustZhTranslator, {
+      languageId: 'rust',
       rules: [rustImplRule],
       report: () => {},
     }))
diff --git a/vscode/src/codeReader/libraryRules.test.ts b/vscode/src/codeReader/libraryRules.test.ts
index 2e78b1d..3f4913e 100644
--- a/vscode/src/codeReader/libraryRules.test.ts
+++ b/vscode/src/codeReader/libraryRules.test.ts
@@ -48,7 +48,7 @@ const throwing: LibraryRule = {
 }
 
 async function views(source: string, rules: LibraryRule[], reports: string[] = []): Promise<BlockView[]> {
-  const run: RuleRun = { rules, report: message => reports.push(message) }
+  const run: RuleRun = { languageId: 'python', rules, report: message => reports.push(message) }
   return withBlocks(py, 'python', source, blocks => toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, run))
 }
 
@@ -56,9 +56,9 @@ function flatten(list: BlockView[]): BlockView[] {
   return list.flatMap(view => [view, ...flatten(view.children)])
 }
 
-/** 语法树用完即释放，节点要在里面读完。 */
-function activates(source: string, rule: LibraryRule): Promise<boolean> {
-  return withBlocks(py, 'python', source, blocks => activeRules([rule], importsIn(blocks)).length > 0)
+/** 按 Python 解析的源码当成 languageId 这种语言的，规则启不启用；语法树用完即释放，节点要在里面读完。 */
+function activates(source: string, rule: LibraryRule, languageId = 'python'): Promise<boolean> {
+  return withBlocks(py, 'python', source, blocks => activeRules([rule], importsIn(blocks), languageId).length > 0)
 }
 
 describe('库规则：启用', () => {
@@ -94,6 +94,13 @@ describe('库规则：启用', () => {
     expect(await activates('import os', { ...cardRule('any'), libraries: [] })).toBe(true)
     expect(await activates('x = 1', { ...cardRule('any'), libraries: [] })).toBe(true)
   })
+
+  it('alwaysIn 里的语言不看导入就启用，别的语言照 libraries 看导入（React：TSX 不用导入 react，.ts 导入了 react 才启用）', async () => {
+    const rule: LibraryRule = { ...cardRule('any'), languageIds: ['python', 'cython'], alwaysIn: ['cython'] }
+    expect(await activates('import os', rule, 'cython')).toBe(true)
+    expect(await activates('import os', rule, 'python')).toBe(false)
+    expect(await activates('import sqlalchemy', rule, 'python')).toBe(true)
+  })
 })
 
 describe('库规则：认领', () => {
diff --git a/vscode/src/codeReader/libraryRules.ts b/vscode/src/codeReader/libraryRules.ts
index e0fa575..b712904 100644
--- a/vscode/src/codeReader/libraryRules.ts
+++ b/vscode/src/codeReader/libraryRules.ts
@@ -26,10 +26,15 @@ export function fromLibrary(module: string, library: string): boolean {
   return module === library || module.startsWith(`${library}.`) || module.startsWith(`${library}/`) || module.startsWith(`${library}::`)
 }
 
-/** 这份源码启用的规则，保持注册顺序：导入了规则关心的某个库，或规则不看导入（libraries 是空的）。 */
-export function activeRules(rules: readonly LibraryRule[], imports: readonly ImportFacts[]): LibraryRule[] {
+/**
+ * languageId 这种语言的一份源码启用的规则，保持注册顺序：导入了规则关心的某个库，或规则不看导入
+ * （libraries 是空的，或这种语言在 alwaysIn 里）。
+ */
+export function activeRules(rules: readonly LibraryRule[], imports: readonly ImportFacts[], languageId: string): LibraryRule[] {
   const modules = imports.flatMap(facts => facts.sources.map(moduleName))
-  return rules.filter(rule => rule.libraries.length === 0 || rule.libraries.some(library => modules.some(module => fromLibrary(module, library))))
+  return rules.filter(rule => rule.libraries.length === 0
+    || rule.alwaysIn?.includes(languageId)
+    || rule.libraries.some(library => modules.some(module => fromLibrary(module, library))))
 }
 
 /** 一块被哪个规则认领、替身是什么。 */
diff --git a/vscode/src/codeReader/nameResolution.test.ts b/vscode/src/codeReader/nameResolution.test.ts
index 5c7bc61..3ea9021 100644
--- a/vscode/src/codeReader/nameResolution.test.ts
+++ b/vscode/src/codeReader/nameResolution.test.ts
@@ -27,7 +27,7 @@ const ROUTES = [
 ].join('\n')
 
 function read(source: string): ReturnType<typeof readBlockViews> {
-  return readBlockViews(runtime, py, pythonZhTranslator, 'python', source, { rules: { rules: [enumRule], report: () => {} } })
+  return readBlockViews(runtime, py, pythonZhTranslator, 'python', source, { rules: { languageId: 'python', rules: [enumRule], report: () => {} } })
 }
 
 function allProperties(blocks: readonly BlockView[]): string[] {
diff --git a/vscode/src/codeReader/rules/celery.test.ts b/vscode/src/codeReader/rules/celery.test.ts
index ebcc413..ea22b47 100644
--- a/vscode/src/codeReader/rules/celery.test.ts
+++ b/vscode/src/codeReader/rules/celery.test.ts
@@ -13,7 +13,7 @@ const SNAPSHOT = readFixture('celeryApp.py')
 
 async function views(source: string, reports: string[] = []): Promise<BlockView[]> {
   return withBlocks(py, 'python', source, blocks =>
-    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { rules: [celeryRule], report: message => reports.push(message) }))
+    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: [celeryRule], report: message => reports.push(message) }))
 }
 
 function properties(view: BlockView | undefined): PropertyRow[] {
diff --git a/vscode/src/codeReader/rules/dataclass.test.ts b/vscode/src/codeReader/rules/dataclass.test.ts
index e0ad424..2ad265e 100644
--- a/vscode/src/codeReader/rules/dataclass.test.ts
+++ b/vscode/src/codeReader/rules/dataclass.test.ts
@@ -19,7 +19,7 @@ const RULES = [sqlalchemyRule, celeryRule, enumRule, dataclassRule]
 
 async function views(source: string, reports: string[] = []): Promise<BlockView[]> {
   return withBlocks(py, 'python', source, blocks =>
-    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { rules: RULES, report: message => reports.push(message) }))
+    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: RULES, report: message => reports.push(message) }))
 }
 
 function properties(view: BlockView | undefined): PropertyRow[] {
diff --git a/vscode/src/codeReader/rules/enum.test.ts b/vscode/src/codeReader/rules/enum.test.ts
index 2ba9ecb..1d79209 100644
--- a/vscode/src/codeReader/rules/enum.test.ts
+++ b/vscode/src/codeReader/rules/enum.test.ts
@@ -21,11 +21,11 @@ const RULES = [sqlalchemyRule, celeryRule, enumRule]
 
 async function views(source: string, reports: string[] = []): Promise<BlockView[]> {
   return withBlocks(py, 'python', source, blocks =>
-    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { rules: RULES, report: message => reports.push(message) }))
+    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: RULES, report: message => reports.push(message) }))
 }
 
 function tsViews(source: string): Promise<BlockView[]> {
-  return withBlocks(ts, 'typescript', source, blocks => toBlockViews(blocks, { source, language: ts, markers: [] }, typescriptZhTranslator, { rules: RULES, report: () => {} }))
+  return withBlocks(ts, 'typescript', source, blocks => toBlockViews(blocks, { source, language: ts, markers: [] }, typescriptZhTranslator, { languageId: 'typescript', rules: RULES, report: () => {} }))
 }
 
 function properties(view: BlockView | undefined): PropertyRow[] {
diff --git a/vscode/src/codeReader/rules/fastapi.test.ts b/vscode/src/codeReader/rules/fastapi.test.ts
index 555110e..bd33a57 100644
--- a/vscode/src/codeReader/rules/fastapi.test.ts
+++ b/vscode/src/codeReader/rules/fastapi.test.ts
@@ -23,7 +23,7 @@ function known(values: Record<string, string>): RuleContext['lookup'] {
 
 async function views(source: string, lookup?: RuleContext['lookup'], reports: string[] = []): Promise<BlockView[]> {
   return withBlocks(py, 'python', source, blocks =>
-    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { rules: [fastapiRule], report: message => reports.push(message), lookup }))
+    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: [fastapiRule], report: message => reports.push(message), lookup }))
 }
 
 function flatten(list: readonly BlockView[]): BlockView[] {
diff --git a/vscode/src/codeReader/rules/pydantic.test.ts b/vscode/src/codeReader/rules/pydantic.test.ts
index ac4605b..557f89f 100644
--- a/vscode/src/codeReader/rules/pydantic.test.ts
+++ b/vscode/src/codeReader/rules/pydantic.test.ts
@@ -22,7 +22,7 @@ const RULES = [sqlalchemyRule, celeryRule, enumRule, dataclassRule, pydanticRule
 
 async function views(source: string, reports: string[] = [], lookup?: RuleContext['lookup']): Promise<BlockView[]> {
   return withBlocks(py, 'python', source, blocks =>
-    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { rules: RULES, report: message => reports.push(message), lookup }))
+    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: RULES, report: message => reports.push(message), lookup }))
 }
 
 async function indexEntries(source: string): Promise<IndexEntry[]> {
diff --git a/vscode/src/codeReader/rules/react.test.ts b/vscode/src/codeReader/rules/react.test.ts
index cf0aeb0..1261c3d 100644
--- a/vscode/src/codeReader/rules/react.test.ts
+++ b/vscode/src/codeReader/rules/react.test.ts
@@ -1,9 +1,11 @@
+import type { Memento } from 'vscode'
 import type { BlockView } from '../blockView'
 import type { PropertyItem, PropertyRow, RuleContext } from '../contract'
 import { describe, expect, it } from 'vitest'
 import { toBlockViews } from '../blockView'
 import { diffBlockTrees } from '../diff/blockDiff'
 import { createTypeScriptAdapter } from '../languages/typescript'
+import { CodeReaderRegistry } from '../registry'
 import { inlineOf, previewText, propertyLines, propertyRow, readFixture, viewLines, WASM_DIR, withBlocks } from '../testSupport'
 import { typescriptZhTranslator } from '../translators/typescriptZh'
 import { reactRule } from './react'
@@ -18,6 +20,7 @@ const SETTINGS = readFixture('desktopSettingsDialog.tsx.txt')
 const PLAN = readFixture('planChecklist.tsx.txt')
 const QUEUED = readFixture('queuedBubble.tsx.txt')
 const HOOKS = readFixture('hooksPanel.tsx.txt')
+const SHELL_EVENTS = readFixture('useShellEvents.ts.txt')
 
 /** 钩子卡片的描边、钩子图标：所有钩子一样的紫 */
 const HOOK = { dark: '#b180d7', light: '#7f3fa6' }
@@ -35,9 +38,13 @@ function known(values: Record<string, string>): RuleContext['lookup'] {
   return (_index, node) => values[node.text] === undefined ? undefined : { key: node.text, name: { startIndex: 0, endIndex: 0 }, value: values[node.text] }
 }
 
-async function views(source: string, lookup?: RuleContext['lookup'], reports: string[] = []): Promise<BlockView[]> {
-  return withBlocks(ts, 'typescriptreact', source, blocks =>
-    toBlockViews(blocks, { source, language: ts, markers: [] }, typescriptZhTranslator, { rules: [reactRule], report: message => reports.push(message), lookup }))
+/** 只注册了 React 规则的注册表：同宿主一样照文件的 languageId 从这里挑规则。 */
+const registry = new CodeReaderRegistry({ get: () => undefined, update: async () => {} } as Pick<Memento, 'get' | 'update'>)
+registry.registerLibraryRule(reactRule)
+
+async function views(source: string, lookup?: RuleContext['lookup'], reports: string[] = [], languageId = 'typescriptreact'): Promise<BlockView[]> {
+  return withBlocks(ts, languageId, source, blocks =>
+    toBlockViews(blocks, { source, language: ts, markers: [] }, typescriptZhTranslator, { languageId, rules: registry.rulesFor(languageId), report: message => reports.push(message), lookup }))
 }
 
 function flatten(list: readonly BlockView[]): BlockView[] {
@@ -83,9 +90,41 @@ function kinds(view: BlockView): string[] {
 }
 
 describe('react 库规则：认领', () => {
-  it('只管 TSX / JSX，不看导入（新的 JSX 写法不用导入 react）', () => {
-    expect(reactRule.languageIds).toEqual(['typescriptreact', 'javascriptreact'])
-    expect(reactRule.libraries).toEqual([])
+  it('tsx / jsx 不看导入就启用（新的 JSX 写法不用导入 react），.ts / .js 导入了 react 才启用', () => {
+    expect(reactRule.languageIds).toEqual(['typescriptreact', 'javascriptreact', 'typescript', 'javascript'])
+    expect(reactRule.libraries).toEqual(['react'])
+    expect(reactRule.alwaysIn).toEqual(['typescriptreact', 'javascriptreact'])
+  })
+
+  it('luffy 的 use-shell-events.ts：导入了 react 的 .ts 文件里，自定义钩子出自定义钩子卡片，里面的钩子调用出钩子卡片', async () => {
+    const blocks = await views(SHELL_EVENTS, undefined, [], 'typescript')
+    expect(blocks.map(view => `${view.kind} ${view.startLine + 1}`)).toEqual(['statement 1', 'import 3', 'import 4', 'import 6', 'import 7', 'import 9', 'import 10', 'react.customHook 12'])
+    const hook = blocks[7]
+    expect(lines(hook)).toEqual([
+      '名称: useShellEvents ⟦具名导出｜⟧',
+      '说明: 挂载时经 [tauriBridge] 取一次全量状态与壳留存的活动，之后靠事件同步；不在壳里时什么也不取。\n\n另在这里注册窗口内快捷键。',
+      '参数: 无',
+    ])
+    expect(kinds(hook)).toEqual(['react.hook 18', 'react.hook 19', 'react.hook 20', 'react.hook 22', 'react.hook 33'])
+    expect(lines(childAt(hook, 18))).toEqual(['钩子: useRouter', '返回: 1 个', '  router | 路由器，用于页面跳转'])
+    expect(lines(childAt(hook, 20))).toEqual(['钩子: useSidebarCollapsed', '返回: 1 个', '  toggleSidebar'])
+    expect(lines(childAt(hook, 22))).toEqual(['钩子: useEffect', '参数: 2 个', '  effect | ⟦函数｜· 4 句⟧', '  deps | router 变化时'])
+    expect(rowLines(childAt(hook, 33), '参数')).toEqual(['参数: 2 个', '  effect | ⟦函数｜· 4 句⟧', '  deps | shell、toggleSidebar 变化时'])
+  })
+
+  it('没导入 react 的 .ts 文件不启用：zustand 的 store 叫 useXxx 也照常是常量、函数块；同样的源码写在 .tsx 里照常认', async () => {
+    const source = [
+      'import { create } from "zustand";',
+      'export const useDesktopShell = create<State>((set) => ({ title: "" }));',
+      'export function useTitle() {',
+      '  const title = useDesktopShell((s) => s.title);',
+      '  return title;',
+      '}',
+    ].join('\n')
+    const reports: string[] = []
+    expect((await views(source, undefined, reports, 'typescript')).map(view => view.kind)).toEqual(['import', 'const', 'function'])
+    expect((await views(source, undefined, reports, 'typescriptreact')).map(view => view.kind)).toEqual(['import', 'const', 'react.customHook'])
+    expect(reports).toEqual([])
   })
 
   it('luffy 的 DesktopTitlebar：五条导入后面是组件卡片，只有名称 / 说明 / 构造参数；组件体照源码顺序是子块，"use client" 和文档注释不单独成块', async () => {
diff --git a/vscode/src/codeReader/rules/react.ts b/vscode/src/codeReader/rules/react.ts
index 4a08228..527cd33 100644
--- a/vscode/src/codeReader/rules/react.ts
+++ b/vscode/src/codeReader/rules/react.ts
@@ -20,7 +20,8 @@ import { hint, joined, name, plain, range } from './segments'
  * `.map` 写「对 … 的每一项」并标 key；属性值是元素、条件或列表时属性名单独成行，值照同一套大纲缩进在下面。
  * 回调、函数里的语句照常是这些卡片的子块；普通变量、if、注释照语言默认的卡片。表格的格子里只写名字和位置，不放函数体。
  * 文件开头的 "use client" 讲成了「客户端组件」、组件上面的 JSDoc 讲成了「说明」，都不再单独成块。
- * 新的 JSX 写法不用导入 react，规则不看导入：TSX / JSX 文件都启用。用词都在词表里，按翻译插件的显示语言挑。
+ * 新的 JSX 写法不用导入 react，TSX / JSX 文件不看导入就启用；自定义钩子常写在 .ts / .js 文件里，这两种导入了 react 才启用
+ * （没有 JSX，只认得出自定义钩子和钩子调用）。用词都在词表里，按翻译插件的显示语言挑。
  */
 
 const RULE_ID = 'react'
@@ -1193,8 +1194,9 @@ function omitted(block: CodeBlock): boolean {
 export const reactRule: LibraryRule = {
   id: RULE_ID,
   label: 'React 组件',
-  languageIds: ['typescriptreact', 'javascriptreact'],
-  libraries: [],
+  languageIds: ['typescriptreact', 'javascriptreact', 'typescript', 'javascript'],
+  libraries: ['react'],
+  alwaysIn: ['typescriptreact', 'javascriptreact'],
   claim: (block, context) => {
     const env: Env = { context, words: WORDS[context.displayLanguage ?? ''] ?? ZH }
     const component = componentOf(block)
diff --git a/vscode/src/codeReader/rules/rustLibs.test.ts b/vscode/src/codeReader/rules/rustLibs.test.ts
index 532be6c..17976fc 100644
--- a/vscode/src/codeReader/rules/rustLibs.test.ts
+++ b/vscode/src/codeReader/rules/rustLibs.test.ts
@@ -18,6 +18,7 @@ const rules = [rustImplRule, serdeRule, thiserrorRule, axumRule, sqlxRule, tauri
 function views(source: string): Promise<BlockView[]> {
   return withBlocks(adapter, 'rust', source, blocks =>
     toBlockViews(blocks, { source, language: adapter, markers: [] }, rustZhTranslator, {
+      languageId: 'rust',
       rules,
       report: (message) => {
         throw new Error(message)
diff --git a/vscode/src/codeReader/rules/sqlalchemy.test.ts b/vscode/src/codeReader/rules/sqlalchemy.test.ts
index 50611d7..2c349d2 100644
--- a/vscode/src/codeReader/rules/sqlalchemy.test.ts
+++ b/vscode/src/codeReader/rules/sqlalchemy.test.ts
@@ -13,7 +13,7 @@ const SNAPSHOT = readFixture('sqlalchemyModels.py')
 
 async function views(source: string, reports: string[] = []): Promise<BlockView[]> {
   return withBlocks(py, 'python', source, blocks =>
-    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { rules: [sqlalchemyRule], report: message => reports.push(message) }))
+    toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: [sqlalchemyRule], report: message => reports.push(message) }))
 }
 
 function flatten(list: BlockView[]): BlockView[] {
diff --git a/vscode/webview-ui/src/codeReader/BlockTree.test.tsx b/vscode/webview-ui/src/codeReader/BlockTree.test.tsx
index 1f9f88c..fe81678 100644
--- a/vscode/webview-ui/src/codeReader/BlockTree.test.tsx
+++ b/vscode/webview-ui/src/codeReader/BlockTree.test.tsx
@@ -111,7 +111,7 @@ describe('路由筛选后展开函数体', () => {
       parsed,
       { source, language, markers: [] },
       pythonZhTranslator,
-      { rules: [fastapiRule], report: (message) => { throw new Error(message) } },
+      { languageId: 'python', rules: [fastapiRule], report: (message) => { throw new Error(message) } },
     ))
     const blocks = pageBlocks(views, source)
     const route = blocks.find(block => block.kind === 'fastapi.route')!
diff --git a/vscode/webview-ui/src/codeReader/reveal.test.ts b/vscode/webview-ui/src/codeReader/reveal.test.ts
index b70d4a4..6eb0aab 100644
--- a/vscode/webview-ui/src/codeReader/reveal.test.ts
+++ b/vscode/webview-ui/src/codeReader/reveal.test.ts
@@ -502,7 +502,7 @@ describe('跳到定义：TS / Python 源码里闪哪一处', () => {
   async function jump(adapter: LanguageAdapter, languageId: string, translator: Translator, source: string, needle: string, rules: readonly LibraryRule[] = []): Promise<{ plan: RevealPlan | undefined, flashed: string }> {
     const offset = source.indexOf(needle)
     expect(offset, needle).toBeGreaterThanOrEqual(0)
-    const views: HostBlockView[] = await withBlocks(adapter, languageId, source, blocks => toBlockViews(blocks, { source, language: adapter, markers: [] }, translator, { rules, report: () => {} }))
+    const views: HostBlockView[] = await withBlocks(adapter, languageId, source, blocks => toBlockViews(blocks, { source, language: adapter, markers: [] }, translator, { languageId, rules, report: () => {} }))
     const plan = revealInSource(views, source, source.slice(0, offset).split('\n').length - 1, offset)
     return { plan, flashed: flashed(views, plan, source) }
   }
@@ -633,7 +633,7 @@ describe('跳到定义：TS / Python 源码里闪哪一处', () => {
       '        return self.name',
     ].join('\n')
     const views = await withBlocks(py, 'python', source, blocks =>
-      toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { rules: [sqlalchemyRule], report: () => {} }))
+      toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator, { languageId: 'python', rules: [sqlalchemyRule], report: () => {} }))
     const at = (needle: string): { plan: RevealPlan | undefined, flashed: string } => {
       const offset = source.indexOf(needle)
       const plan = revealInSource(views, source, source.slice(0, offset).split('\n').length - 1, offset)