feat: 更新 Computer Use 用户指南，添加 macOS 和 Windows 支持文档链接

src/utils/computerUse/hostAdapter.ts

@@ -48,6 +48,11 @@ export function getComputerUseHostAdapter(): ComputerUseHostAdapter {
       if (process.platform !== 'darwin') return { granted: true }
       const cu = requireComputerUseSwift() as any
       // Native .node module exposes tcc; cross-platform JS backend does not.
+      // When tcc is absent (JS backend on macOS), we cannot programmatically
+      // check TCC status — returning granted:false would create a deadlock
+      // (recheck also fails, user can never pass).  The JS backend uses
+      // osascript/screencapture which trigger OS-level permission prompts
+      // themselves, so the OS provides the safety net instead.
       if (!cu.tcc) return { granted: true }
       const accessibility = cu.tcc.checkAccessibility()
       const screenRecording = cu.tcc.checkScreenRecording()