fix: use CGRequestScreenCaptureAccess to request permission

[hubo1989]

Summary

• Call CGRequestScreenCaptureAccess() when requesting permission (not just open System Settings)
• Use CGPreflightScreenCaptureAccess() directly for checking (synchronous, no async)
• Start polling for permission status after opening System Settings

Issue

Permission status still showed unauthorized after granting in System Settings

Solution

• CGRequestScreenCaptureAccess() properly requests permission
• Direct synchronous checks instead of going through ScreenDetector actor

Summary by CodeRabbit

发布说明

• 优化改进
  • 优化屏幕录制权限检查流程，提升权限验证响应速度和效率
  • 改进系统权限请求对话框处理机制，提供更流畅的用户体验
  • 增强权限状态轮询机制，确保实时准确反映权限状态
  • 简化权限验证逻辑，整体提升应用性能

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 84eb78c and d087183.

📒 Files selected for processing (4)

• ScreenTranslate/Features/Capture/CaptureManager.swift
• ScreenTranslate/Features/Capture/ScreenDetector.swift
• ScreenTranslate/Features/Onboarding/OnboardingViewModel.swift
• ScreenTranslate/Features/Settings/SettingsViewModel.swift

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📝 Walkthrough

Walkthrough

本PR重构屏幕录制权限检查机制，将多个组件的异步权限验证改为同步检查，使用系统API CGPreflightScreenCaptureAccess()和CGRequestScreenCaptureAccess()替代ScreenDetector的异步流程。

Changes

Cohort / File(s)	Summary
权限管理核心 ScreenTranslate/Features/Capture/CaptureManager.swift, ScreenTranslate/Features/Capture/ScreenDetector.swift	将权限检查从异步改为同步实现。CaptureManager的hasPermission和requestPermission改为同步方法，直接使用CGPreflightScreenCaptureAccess()和CGRequestScreenCaptureAccess()。ScreenDetector添加SCShareableContent异步包装以支持现有代码。
ViewModel权限流程 ScreenTranslate/Features/Onboarding/OnboardingViewModel.swift, ScreenTranslate/Features/Settings/SettingsViewModel.swift	更新权限检查和请求流程，使用同步的CGPreflightScreenCaptureAccess()替代ScreenDetector异步检查。在权限未授予时，触发系统设置打开和轮询机制来跟踪权限状态变化。

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• feat: improve permission handling for macOS 26 #26：同样修改屏幕录制权限流程的实现，涉及CaptureManager、ScreenDetector和两个ViewModel中的hasPermission/requestPermission相关更改。

Poem

🐰 权限检查已同步，
异步流程化为简，
系统API轻盈舞，
屏幕录制更顺畅，
兔儿欢呼又跳跃！✨

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/v1.3.0

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