fix(nav): restore sidebar collapse state from cookie; cmd+k search shows tools only while typing; mobile header search

artifacts/toolrate/src/components/ui/sidebar.tsx

@@ -53,6 +53,15 @@ function useSidebar() {
   return context
 }
 
+function getSidebarCookie(): boolean | null {
+  if (typeof document === "undefined") return null;
+  const match = document.cookie.match(
+    new RegExp(`(?:^|; )${SIDEBAR_COOKIE_NAME}=([^;]*)`)
+  );
+  if (!match) return null;
+  return match[1] === "true";
+}
+
 function SidebarProvider({
   defaultOpen = true,
   open: openProp,
@@ -71,7 +80,10 @@ function SidebarProvider({
 
   // This is the internal state of the sidebar.
   // We use openProp and setOpenProp for control from outside the component.
-  const [_open, _setOpen] = React.useState(defaultOpen)
+  const [_open, _setOpen] = React.useState(() => {
+    const stored = getSidebarCookie()
+    return stored !== null ? stored : defaultOpen
+  })
   const open = openProp ?? _open
   const setOpen = React.useCallback(
     (value: boolean | ((value: boolean) => boolean)) => {