perf: Health snapshot changes

electron/preload.ts

@@ -50,6 +50,12 @@ export interface DesktopUpdateServerContext {
   serverVersionStatus: DesktopUpdateServerVersionStatus;
 }
 
+export interface DesktopUpdateServerHealthSnapshot {
+  manifestUrl: string | null;
+  serverVersion: string | null;
+  serverVersionStatus: DesktopUpdateServerVersionStatus;
+}
+
 export interface DesktopUpdateState {
   autoUpdateMode: 'auto' | 'off' | 'version';
   availableVersions: string[];
@@ -127,6 +133,7 @@ export interface ElectronAPI {
     restartRequired: boolean;
   }>;
   getAutoUpdateState: () => Promise<DesktopUpdateState>;
+  getAutoUpdateServerHealth: (serverUrl: string) => Promise<DesktopUpdateServerHealthSnapshot>;
   configureAutoUpdateContext: (context: Partial<DesktopUpdateServerContext>) => Promise<DesktopUpdateState>;
   checkForAppUpdates: () => Promise<DesktopUpdateState>;
   restartToApplyUpdate: () => Promise<boolean>;
@@ -207,6 +214,7 @@ const electronAPI: ElectronAPI = {
   consumePendingDeepLink: () => ipcRenderer.invoke('consume-pending-deep-link'),
   getDesktopSettings: () => ipcRenderer.invoke('get-desktop-settings'),
   getAutoUpdateState: () => ipcRenderer.invoke('get-auto-update-state'),
+  getAutoUpdateServerHealth: (serverUrl) => ipcRenderer.invoke('get-auto-update-server-health', serverUrl),
   configureAutoUpdateContext: (context) => ipcRenderer.invoke('configure-auto-update-context', context),
   checkForAppUpdates: () => ipcRenderer.invoke('check-for-app-updates'),
   restartToApplyUpdate: () => ipcRenderer.invoke('restart-to-apply-update'),