initial ai assistance

src/api.ts

@@ -139,7 +139,7 @@ export class Api {
   node = (id: string) => this.get<CmsNode>(`/api/nodes/${encodeURIComponent(id)}`)
   edges = (id: string) => this.get<NodeEdges>(`/api/nodes/${encodeURIComponent(id)}/edges`)
   edit = (ops: Op[]) => this.post<EditResult>('/api/edit', { ops })
-  publish = (roots: string[]) => this.post('/api/publish-roots', { roots })
+  publish = (ids: string[]) => this.post<{ publishedAt?: string; results?: { id: string; error?: string }[] }>('/api/publish-roots', { ids })
 
   /** Schemas are code: cache for the session. */
   schema(type: string): Promise<JSONSchema> {