fix: revert experimental ImmichClient refactoring and restore absolute baseline for image loading

lib/__tests__/immich.test.ts

@@ -39,11 +39,10 @@ describe('ImmichClient', () => {
 
       // Access private method via any casting for testing
       const result = await (immich as any).request('/test');
-      expect(result.data).toEqual({ foo: 'bar' });
-      expect(result.error).toBeNull();
+      expect(result).toEqual({ foo: 'bar' });
     });
 
-    it('returns error on non-ok response', async () => {
+    it('returns null on non-ok response', async () => {
       mockFetch.mockResolvedValueOnce({
         ok: false,
         status: 404,
@@ -51,8 +50,7 @@ describe('ImmichClient', () => {
       });
 
       const result = await (immich as any).request('/test');
-      expect(result.data).toBeNull();
-      expect(result.error).toContain('404 Not Found');
+      expect(result).toBeNull();
     });
   });
 

lib/immich.ts

@@ -77,8 +77,6 @@ export interface SubpageSummary {
   coverAssetId: string | null;
 }
 
-export type ImmichResult<T> = { data: T | null; error: string | null };
-
 // ── API Client ─────────────────────────────────────────────────
 
 class ImmichClient {
@@ -91,7 +89,7 @@ class ImmichClient {
   /**
    * Make an authenticated request to the Immich API.
    */
-  private async request<T>(endpoint: string): Promise<ImmichResult<T>> {
+  private async request<T>(endpoint: string): Promise<T | null> {
     const url = `${this.config.immich.apiUrl}${endpoint}`;
     try {
       const res = await fetch(url, {
@@ -102,20 +100,18 @@ class ImmichClient {
       });
 
       if (!res.ok) {
-        const error = `[Immich] ${res.status} ${res.statusText} for ${endpoint}`;
-        console.error(error);
-        return { data: null, error };
+        console.error(`[Immich] ${res.status} ${res.statusText} for ${endpoint}`);
+        return null;
       }
 
       const contentType = res.headers.get('Content-Type') || '';
       if (contentType.includes('application/json')) {
-        return { data: (await res.json()) as T, error: null };
+        return (await res.json()) as T;
       }
-      return { data: null, error: 'Invalid response format (expected JSON)' };
-    } catch (err) {
-      const error = `[Immich] Failed to reach ${url}: ${err instanceof Error ? err.message : 'Unknown error'}`;
-      console.error(error);
-      return { data: null, error };
+      return null;
+    } catch (error) {
+      console.error(`[Immich] Failed to reach ${url}:`, error);
+      return null;
     }
   }
 
@@ -164,8 +160,8 @@ class ImmichClient {
     const cached = cache.get<ImmichAlbum[]>(cacheKey);
     if (cached) return cached;
 
-    const { data: all, error } = await this.request<ImmichAlbum[]>('/albums?shared=true');
-    if (error || !all) return [];
+    const all = await this.request<ImmichAlbum[]>('/albums?shared=true');
+    if (!all) return [];
 
     const allowedIds = new Set(this.config.albums);
     const filtered = all
@@ -280,8 +276,8 @@ class ImmichClient {
     const cached = cache.get<ImmichAlbum>(cacheKey);
     if (cached) return cached;
 
-    const { data: album, error } = await this.request<ImmichAlbum>(`/albums/${encodeURIComponent(albumId)}`);
-    if (error || !album) return null;
+    const album = await this.request<ImmichAlbum>(`/albums/${encodeURIComponent(albumId)}`);
+    if (!album) return null;
 
     // Filter out trashed assets
     album.assets = (album.assets || []).filter((a) => !a.isTrashed);
@@ -329,8 +325,8 @@ class ImmichClient {
     const cached = cache.get<ImmichAsset>(cacheKey);
     if (cached) return cached;
 
-    const { data: asset, error } = await this.request<ImmichAsset>(`/assets/${encodeURIComponent(assetId)}`);
-    if (error || !asset) return null;
+    const asset = await this.request<ImmichAsset>(`/assets/${encodeURIComponent(assetId)}`);
+    if (!asset) return null;
 
     cache.set(cacheKey, asset, this.config.cacheTtl);
     return asset;
@@ -410,8 +406,8 @@ class ImmichClient {
    * Check if the Immich server is reachable.
    */
   async ping(): Promise<boolean> {
-    const { data } = await this.request<{ res: string }>('/server/ping');
-    return !!data;
+    const res = await this.request<{ res: string }>('/server/ping');
+    return !!res;
   }
 }