perf: Health snapshot changes

toju-app/src/app/core/platform/electron/electron-api.models.ts

@@ -57,6 +57,12 @@ export interface DesktopUpdateServerContext {
   serverVersionStatus: DesktopUpdateServerVersionStatus;
 }
 
+export interface DesktopUpdateServerHealthSnapshot {
+  manifestUrl: string | null;
+  serverVersion: string | null;
+  serverVersionStatus: DesktopUpdateServerVersionStatus;
+}
+
 export interface DesktopUpdateState {
   autoUpdateMode: AutoUpdateMode;
   availableVersions: string[];
@@ -127,6 +133,7 @@ export interface ElectronApi {
   consumePendingDeepLink: () => Promise<string | null>;
   getDesktopSettings: () => Promise<DesktopSettingsSnapshot>;
   getAutoUpdateState: () => Promise<DesktopUpdateState>;
+  getAutoUpdateServerHealth: (serverUrl: string) => Promise<DesktopUpdateServerHealthSnapshot>;
   configureAutoUpdateContext: (context: Partial<DesktopUpdateServerContext>) => Promise<DesktopUpdateState>;
   checkForAppUpdates: () => Promise<DesktopUpdateState>;
   restartToApplyUpdate: () => Promise<boolean>;

toju-app/src/app/core/services/desktop-app-update.service.ts

@@ -10,17 +10,13 @@ import { type ServerEndpoint, ServerDirectoryFacade } from '../../domains/server
 import {
   type AutoUpdateMode,
   type DesktopUpdateServerContext,
+  type DesktopUpdateServerHealthSnapshot,
   type DesktopUpdateServerVersionStatus,
   type DesktopUpdateState,
   type ElectronApi
 } from '../platform/electron/electron-api.models';
 import { ElectronBridgeService } from '../platform/electron/electron-bridge.service';
 
-interface ServerHealthResponse {
-  releaseManifestUrl?: string;
-  serverVersion?: string;
-}
-
 interface ServerHealthSnapshot {
   endpointId: string;
   manifestUrl: string | null;
@@ -29,7 +25,6 @@ interface ServerHealthSnapshot {
 }
 
 const SERVER_CONTEXT_REFRESH_INTERVAL_MS = 5 * 60_000;
-const SERVER_CONTEXT_TIMEOUT_MS = 5_000;
 
 function createInitialState(): DesktopUpdateState {
   return {
@@ -292,30 +287,23 @@ export class DesktopAppUpdateService {
 
   private async readServerHealth(endpoint: ServerEndpoint): Promise<ServerHealthSnapshot> {
     const sanitizedServerUrl = endpoint.url.replace(/\/+$/, '');
+    const api = this.getElectronApi();
+
+    if (!api?.getAutoUpdateServerHealth) {
+      return {
+        endpointId: endpoint.id,
+        manifestUrl: null,
+        serverVersion: null,
+        serverVersionStatus: 'unavailable'
+      };
+    }
 
     try {
-      const response = await fetch(`${sanitizedServerUrl}/api/health`, {
-        method: 'GET',
-        signal: AbortSignal.timeout(SERVER_CONTEXT_TIMEOUT_MS)
-      });
-
-      if (!response.ok) {
-        return {
-          endpointId: endpoint.id,
-          manifestUrl: null,
-          serverVersion: null,
-          serverVersionStatus: 'unavailable'
-        };
-      }
-
-      const payload = await response.json() as ServerHealthResponse;
-      const serverVersion = normalizeOptionalString(payload.serverVersion);
+      const payload = await api.getAutoUpdateServerHealth(sanitizedServerUrl);
 
       return {
         endpointId: endpoint.id,
-        manifestUrl: normalizeOptionalHttpUrl(payload.releaseManifestUrl),
-        serverVersion,
-        serverVersionStatus: serverVersion ? 'reported' : 'missing'
+        ...this.normalizeHealthSnapshot(payload)
       };
     } catch {
       return {
@@ -327,6 +315,22 @@ export class DesktopAppUpdateService {
     }
   }
 
+  private normalizeHealthSnapshot(
+    snapshot: DesktopUpdateServerHealthSnapshot
+  ): Omit<ServerHealthSnapshot, 'endpointId'> {
+    const serverVersion = normalizeOptionalString(snapshot.serverVersion);
+
+    return {
+      manifestUrl: normalizeOptionalHttpUrl(snapshot.manifestUrl),
+      serverVersion,
+      serverVersionStatus: serverVersion
+        ? snapshot.serverVersionStatus
+        : snapshot.serverVersionStatus === 'reported'
+          ? 'missing'
+          : snapshot.serverVersionStatus
+    };
+  }
+
   private async pushContext(context: Partial<DesktopUpdateServerContext>): Promise<void> {
     const api = this.getElectronApi();