[Feature]: In‑App Update Check & Auto‑Update from GitHub Releases

[S4M3Y]

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Currently, OpenScreen is evolving quickly and we’re seeing frequent updates. While that’s great, it’s a bit difficult to manually download each new release from GitHub and set it up from scratch every time.

Request:
Could we add support for in‑app update checks and automatic updates? Ideally:

• The app should check for new releases on GitHub (via the GitHub Releases API).
• Notify the user when a new version is available.
• Optionally download and install the update directly in‑app, without requiring manual setup.

Technical Approach (possible options):

• Use the GitHub Releases API to fetch the latest release metadata.
• Compare the current app version with the latest release tag.
• Provide a UI prompt for the user to update.
• For Windows/macOS/Linux, integrate with existing auto‑update frameworks:
  • Windows: Squirrel.Windows or WinSparkle
  • macOS: Sparkle framework
  • Linux: AppImageUpdate or package manager hooks
• Alternatively, bundle a lightweight updater that downloads the latest binary from GitHub and replaces the current installation.

Benefits:

• Saves time for users by avoiding repeated manual downloads.
• Ensures everyone stays on the latest version with bug fixes and new features.
• Improves adoption of updates, especially for non‑technical users.

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Additional context

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