I think I have a working document cache solution that's actually pretty good.

src/components/documents/monsters/NewMonsterForm.tsx

@@ -3,7 +3,7 @@ import type { CampaignId, Monster } from "@/lib/types";
 import { pb } from "@/lib/pocketbase";
 import { BaseForm } from "@/components/form/BaseForm";
 import { SingleLineInput } from "@/components/form/SingleLineInput";
-import { useDocument } from "@/context/document/DocumentContext";
+import { useDocumentCache } from "@/context/document/hooks";
 
 /**
  * Renders a form to add a new monster. Calls onCreate with the new monster document.
@@ -15,7 +15,7 @@ export const NewMonsterForm = ({
   campaign: CampaignId;
   onCreate: (monster: Monster) => Promise<void>;
 }) => {
-  const { dispatch } = useDocument();
+  const { dispatch } = useDocumentCache();
   const [name, setName] = useState("");
   const [adding, setAdding] = useState(false);
   const [error, setError] = useState<string | null>(null);