feat: Refactor tag and correspondent management to use canonical types and dedicated managers.

frontend/src/desktop/components/DesktopDocumentCard.tsx

@@ -6,6 +6,8 @@ import { LayoutCard } from '../logic/LayoutSystem';
 import { useCardPointer } from '../interactions/useCardPointer';
 import DocumentTags from '../../documents/components/DocumentTags';
 import { TagInteractionHandlers } from '../../documents/interactions/useTagInteractions';
+import { useDocumentsAssetContext } from '../../documents/context/DocumentsAssetContext';
+import { useDocumentsViewStateContext } from '../../documents/context/DocumentsViewStateContext';
 
 const preventAll = (event?: React.SyntheticEvent | Event | null) => {
   if (!event) return;
@@ -38,8 +40,6 @@ const DesktopDocumentCard: React.FC<DesktopDocumentCardProps> = ({
   matchesFilter = true,
   selected = false,
   docTagTokens,
-  ensureAssetUrl,
-  getDocumentAsset,
   onDocumentActivate,
   onSelect,
   onDeselect,
@@ -48,6 +48,12 @@ const DesktopDocumentCard: React.FC<DesktopDocumentCardProps> = ({
   tagHandlers,
   layoutCard,
 }) => {
+  const {
+    ensureAssetUrl,
+    getDocumentAsset
+  } = useDocumentsAssetContext();
+
+  const { tagLookupById, correspondentLookupById } = useDocumentsViewStateContext();
   const cardPointerHandlers = useCardPointer(
     layoutCard,
     !!selected,
@@ -58,7 +64,7 @@ const DesktopDocumentCard: React.FC<DesktopDocumentCardProps> = ({
     requestCanvasFocus
   );
 
-  const correspondents = useMemo(() => resolveCorrespondents(doc), [doc]);
+  const correspondents = useMemo(() => resolveCorrespondents(doc, correspondentLookupById), [doc, correspondentLookupById]);
   const tags = Array.isArray(doc?.tags) ? doc.tags : [];
 
   const itemClasses = ['desk-item'];
@@ -116,6 +122,7 @@ const DesktopDocumentCard: React.FC<DesktopDocumentCardProps> = ({
             <DocumentTags
               doc={doc}
               tags={tags}
+              tagLookupById={tagLookupById}
               tagHandlers={tagHandlers}
             />
           </div>