diff --git a/website/canvas.html b/website/canvas.html
index b9b7135..c579acc 100644
--- a/website/canvas.html
+++ b/website/canvas.html
@@ -5639,15 +5639,8 @@
 				}
 			});
 
-			// ── Settings + History panel toggles ──
-			document.getElementById('settings-btn')?.addEventListener('click', () => {
-				const panel = document.querySelector('rstack-space-settings');
-				if (panel) panel.toggle();
-			});
-			document.getElementById('history-btn')?.addEventListener('click', () => {
-				const panel = document.querySelector('rstack-history-panel');
-				if (panel) panel.toggle();
-			});
+			// Settings + History panel toggles are wired by the shell script —
+			// do NOT duplicate here or double-toggle cancels the action.
 
 			// Memory panel — browse and remember forgotten shapes
 			const memoryPanel = document.getElementById("memory-panel");