refactor(web): drop redundant fields/visibility casts now the client is typed (#24 #29)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/src/objects/object-detail.tsx

@@ -52,7 +52,7 @@ export function ObjectDetail() {
     return byLang ?? byEnglish ?? key;
   };
 
-  const flexible = Object.entries(object.fields as Record<string, unknown>);
+  const flexible = Object.entries(object.fields);
 
   return (
     <div className="overflow-auto p-4">

web/src/objects/object-edit-form.tsx

@@ -34,7 +34,7 @@ export function ObjectEditForm() {
     recording_date: object.recording_date ?? null,
   };
 
-  const defaults = { core, fields: object.fields as Record<string, unknown> };
+  const defaults = { core, fields: object.fields };
 
   const onSubmit = async (values: ObjectFormValues) => {
     setError(null);

web/src/objects/publish-control.tsx

@@ -23,7 +23,7 @@ const STEPS: Visibility[] = ["draft", "internal", "public"];
 
 export function PublishControl({ object }: { object: AdminObjectView }) {
   const { t } = useTranslation();
-  const current = object.visibility as Visibility;
+  const current = object.visibility;
   const { forward, back } = adjacentTransitions(current);
   const setVisibility = useSetVisibility();
   const [confirmOpen, setConfirmOpen] = useState(false);