Import initial Hyprland HDMI recovery implementation

.gitea/pull_request_template.md

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+## Summary
+
+Describe the change and why it is needed.
+
+## Testing
+
+- [ ] Shell syntax validated with `bash -n`
+- [ ] Tested with an active Hyprland Wayland session
+- [ ] Confirmed that no VT switch occurs before login
+- [ ] Confirmed that HDMI recovery still works after switching inputs
+- [ ] Updated documentation where necessary
+
+## Security impact
+
+Describe any change involving `sudo`, `chvt`, systemd permissions, or privilege boundaries.