Clarify update guidance and strongly type Linux package detection (#925)

app/MindWork AI Studio/Components/Settings/SettingsPanelApp.razor.cs

@@ -29,7 +29,7 @@ public partial class SettingsPanelApp : SettingsPanelBase
     {
         UpdatePolicyMode.ENTERPRISE_DISABLED => T("Your organization has disabled update checks and installations."),
         UpdatePolicyMode.FLATPAK => T("AI Studio cannot check for updates when running as a Flatpak. Updates are managed outside the app."),
-        UpdatePolicyMode.MANAGED_INSTALLATION => T("This copy of AI Studio was installed for you by someone else, so it does not check for updates on its own."),
+        UpdatePolicyMode.MANAGED_INSTALLATION => T("This installation does not check for updates itself. Contact the person or organization that installed AI Studio for update information."),
         UpdatePolicyMode.UNSUPPORTED_INSTALLATION_LOCATION => T("AI Studio cannot update itself from its current location, so it does not check for updates."),
         UpdatePolicyMode.DEVELOPMENT => T("Development builds do not check for updates."),
         _ => T("How often should we check for app updates?")
@@ -38,9 +38,9 @@ public partial class SettingsPanelApp : SettingsPanelBase
     private string UpdateInstallationHelp => this.updatePolicyMode switch
     {
         UpdatePolicyMode.ENTERPRISE_DISABLED => T("This setting has no effect while updates are disabled by your organization."),
-        UpdatePolicyMode.FLATPAK => T("AI Studio cannot install updates when running as a Flatpak. Use the update method provided by your Flatpak distribution."),
-        UpdatePolicyMode.MANAGED_INSTALLATION => T("AI Studio cannot install updates into this installation. Your IT department provides new versions."),
-        UpdatePolicyMode.UNSUPPORTED_INSTALLATION_LOCATION => T("AI Studio cannot install updates into its current location. Install new versions yourself."),
+        UpdatePolicyMode.FLATPAK => T("AI Studio cannot install updates when running as a Flatpak. Update it using the Flatpak source or bundle from which you installed it."),
+        UpdatePolicyMode.MANAGED_INSTALLATION => T("AI Studio cannot install updates into this installation. Contact the person or organization that installed it for new versions."),
+        UpdatePolicyMode.UNSUPPORTED_INSTALLATION_LOCATION => T("AI Studio cannot install updates into its current installation location. Install new versions yourself."),
         UpdatePolicyMode.DEVELOPMENT => T("Development builds do not install updates."),
         _ => T("Should updates be installed automatically or manually?")
     };