fix: browser was running two copies of ProseMirror's state module (prosemirror-state) at once

web/vite.config.ts

@@ -28,9 +28,27 @@ export default defineConfig({
 			},
 		}),
 	],
+	optimizeDeps: {
+		include: [
+			'@tiptap/core',
+			'@tiptap/pm/state',
+			'@tiptap/pm/view',
+			'@tiptap/pm/model',
+			'@tiptap/vue-3',
+			'@tiptap/starter-kit',
+		],
+	},
 	resolve: {
 		alias: {
 			'@': fileURLToPath(new URL('./src', import.meta.url)),
 		},
+		dedupe: [
+			'@tiptap/core',
+			'@tiptap/pm',
+			'prosemirror-state',
+			'prosemirror-view',
+			'prosemirror-model',
+			'prosemirror-transform',
+		],
 	},
 })