refactor: 大规模迁移原有组件到 ink 包内

src/utils/computerUse/drainRunLoop.ts

@@ -18,7 +18,7 @@ let pump: ReturnType<typeof setInterval> | undefined
 let pending = 0
 
 function drainTick(cu: ReturnType<typeof requireComputerUseSwift>): void {
-  ;(cu as any)._drainMainRunLoop()
+  ;(cu as any)?._drainMainRunLoop?.()
 }
 
 function retain(): void {