Add influence rework, image checkup, debug mode, and fetched paintings.

Support artist and movement influence links with web discovery, a developer checkup table with gallery/detail thumbnails, and debug image search with fix-it workflow.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/src/api/client.ts

@@ -46,6 +46,34 @@ export async function preloadArtistImages(artistId: number): Promise<{ fetched:
   return res.json();
 }
 
+export interface DebugImageSearchResult {
+  query: string;
+  imageUrl: string | null;
+  searchUrl: string;
+  source: string;
+  sourceLabel?: string;
+  thumbUrl?: string;
+}
+
+export interface PaintingCheckupRow {
+  id: number;
+  title: string;
+  artist_name: string;
+  year: number | null;
+  gallery_file: string | null;
+  gallery_preview: string | null;
+  detail_file: string;
+  detail_preview: string | null;
+  detail_on_demand: boolean;
+  gallery_file_exists: boolean;
+  detail_file_exists: boolean | null;
+}
+
+export interface PaintingCheckupData {
+  paintings: PaintingCheckupRow[];
+  total: number;
+}
+
 export const api = {
   getBounds: () => fetchJson<YearBounds>(`${API}/bounds`),
 
@@ -66,4 +94,26 @@ export const api = {
     fetchJson<ArtistNavigation>(`${API}/artists/${id}/navigation`),
 
   getPainting: (id: number) => fetchJson<PaintingDetail>(`${API}/paintings/${id}`),
+
+  getPaintingDebugImageSearch: (id: number) =>
+    fetchJson<DebugImageSearchResult>(`${API}/paintings/${id}/debug-image-search`),
+
+  fixPaintingImage: (id: number, imageUrl: string) =>
+    fetch(`${API}/paintings/${id}/fix-image`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ imageUrl }),
+    }).then(async (res) => {
+      if (!res.ok) {
+        const body = await res.json().catch(() => ({}));
+        throw new Error(body.error || `Fix failed: ${res.status}`);
+      }
+      return res.json() as Promise<{ imagePath: string; thumbnailPath: string }>;
+    }),
+
+  getPaintingCheckup: () => fetchJson<PaintingCheckupData>(`${API}/paintings/checkup`),
 };
+
+export function debugImageProxyUrl(imageUrl: string): string {
+  return `${API}/debug/image-proxy?url=${encodeURIComponent(imageUrl)}`;
+}