From ba829be8e9190da905ba246460ded18b578292d8 Mon Sep 17 00:00:00 2001
From: CC Worker <cc-worker@kevlarai.local>
Date: Mon, 1 Jun 2026 06:10:11 +0000
Subject: [PATCH] =?UTF-8?q?fix(canvas):=20call=20ensureStoreIsUsable()=20b?=
 =?UTF-8?q?efore=20tldraw=20mount=20=E2=80=94=20pre-initializes=20TLINSTAN?=
 =?UTF-8?q?CE/page/camera=20records=20in=20empty=20store=20preventing=20cu?=
 =?UTF-8?q?rrentPageId=20crash?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/pages/tldraw/singlePlayerPage.tsx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/pages/tldraw/singlePlayerPage.tsx b/src/pages/tldraw/singlePlayerPage.tsx
index cd0a740..688963b 100644
--- a/src/pages/tldraw/singlePlayerPage.tsx
+++ b/src/pages/tldraw/singlePlayerPage.tsx
@@ -98,6 +98,9 @@ export default function SinglePlayerPage() {
                     shapeUtils: allShapeUtils,
                     bindingUtils: allBindingUtils
                 });
+                // Pre-initialize tldraw's required records (TLINSTANCE, page, cameras)
+                // so computed signals that read currentPageId don't crash before Editor construction completes
+                (newStore as unknown as { ensureStoreIsUsable(): void }).ensureStoreIsUsable();
 
                 const snapSvc = new NavigationSnapshotService(newStore, editorRef.current || undefined);
                 if (accessToken) snapSvc.setAccessToken(accessToken);