Revert "Revert "feat: 第一个可以用的 ink 组件抽象 (#158)" (#175)"

This reverts commit 88d4c3ba24.

src/context/QueuedMessageContext.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react'
-import { Box } from '../ink.js'
+import { Box } from '@anthropic/ink'
 
 type QueuedMessageContextValue = {
   isQueued: boolean

src/context/modalContext.tsx

@@ -1,5 +1,5 @@
 import { createContext, type RefObject, useContext } from 'react'
-import type { ScrollBoxHandle } from '../ink/components/ScrollBox.js'
+import type { ScrollBoxHandle } from '@anthropic/ink'
 
 /**
  * Set by FullscreenLayout when rendering content in its `modal` slot —

src/context/overlayContext.tsx

@@ -13,7 +13,7 @@
  * so no manual cleanup or state management is needed.
  */
 import { useContext, useEffect, useLayoutEffect } from 'react'
-import instances from '../ink/instances.js'
+import { instances } from '@anthropic/ink'
 import { AppStoreContext, useAppState } from '../state/AppState.js'
 
 // Non-modal overlays that shouldn't disable TextInput focus