fix(desktop): inline update control in header

desktop/src/app/AppShell.tsx

@@ -61,7 +61,6 @@ import {
   SidebarProvider,
   SidebarTrigger,
 } from "@/shared/ui/sidebar";
-import { UpdateIndicator } from "@/features/settings/UpdateIndicator";
 
 type AppView =
   | "home"
@@ -599,11 +598,6 @@ export function AppShell() {
                     <ChevronRight className="h-3 w-3" />
                   </Button>
                 </div>
-                <div className="fixed right-[16px] top-[8px] z-50">
-                  <UpdateIndicator
-                    onOpenUpdates={() => handleOpenSettings("updates")}
-                  />
-                </div>
                 <AppSidebar
                   activeWorkspace={workspacesHook.activeWorkspace}
                   channels={sidebarChannels}

desktop/src/features/chat/ui/ChatHeader.tsx

@@ -12,6 +12,7 @@ import {
 import type * as React from "react";
 
 import type { ChannelType, ChannelVisibility } from "@/shared/api/types";
+import { UpdateIndicator } from "@/features/settings/UpdateIndicator";
 import { cn } from "@/shared/lib/cn";
 import { useSidebar } from "@/shared/ui/sidebar";
 
@@ -118,7 +119,10 @@ export function ChatHeader({
         </div>
       </div>
 
-      {actions ? <div className="shrink-0">{actions}</div> : null}
+      <div className="flex shrink-0 items-center gap-1">
+        <UpdateIndicator />
+        {actions ? <div className="shrink-0">{actions}</div> : null}
+      </div>
     </header>
   );
 }

desktop/src/features/settings/UpdateIndicator.tsx

@@ -1,26 +1,27 @@
-import { Download, Loader2, RefreshCw } from "lucide-react";
+import { Loader2, RefreshCcw, RotateCw } from "lucide-react";
 
 import { Button } from "@/shared/ui/button";
+import { Tooltip, TooltipContent, TooltipTrigger } from "@/shared/ui/tooltip";
 
 import { useUpdaterContext } from "./hooks/UpdaterProvider";
 import type { UpdateStatus } from "./hooks/use-updater";
 
 const indicatorButtonClass =
-  "relative h-7 px-2 text-xs text-muted-foreground/70 hover:bg-muted/60 hover:text-foreground";
+  "relative h-8 w-8 text-muted-foreground/80 hover:bg-muted/60 hover:text-foreground";
 
-const iconClass = "h-3 w-3";
+const iconClass = "h-4 w-4";
 
 const variants: Record<
   "available" | "downloading" | "installing" | "ready",
   {
-    Icon: typeof Download;
+    Icon: typeof RefreshCcw;
     label: string;
     badgeColor: string;
     iconClass: string;
   }
 > = {
   available: {
-    Icon: Download,
+    Icon: RefreshCcw,
     label: "Update available",
     badgeColor: "bg-primary",
     iconClass: iconClass,
@@ -38,7 +39,7 @@ const variants: Record<
     iconClass: `${iconClass} animate-spin`,
   },
   ready: {
-    Icon: RefreshCw,
+    Icon: RotateCw,
     label: "Restart to update",
     badgeColor: "bg-emerald-500",
     iconClass: iconClass,
@@ -57,33 +58,46 @@ function getVariant(state: UpdateStatus["state"]) {
   return null;
 }
 
-export function UpdateIndicator({
-  onOpenUpdates,
-}: {
-  onOpenUpdates: () => void;
-}) {
-  const { status } = useUpdaterContext();
+export function UpdateIndicator({ className }: { className?: string }) {
+  const { status, downloadAndInstall, relaunch } = useUpdaterContext();
   const variant = getVariant(status.state);
 
   if (!variant) {
     return null;
   }
 
   const { Icon, label, badgeColor, iconClass: variantIconClass } = variant;
+  const isActionable = status.state === "available" || status.state === "ready";
+  const handleClick =
+    status.state === "ready"
+      ? relaunch
+      : status.state === "available"
+        ? downloadAndInstall
+        : null;
 
   return (
-    <Button
-      aria-label={label}
-      className={indicatorButtonClass}
-      onClick={onOpenUpdates}
-      size="sm"
-      variant="ghost"
-    >
-      <Icon className={variantIconClass} />
-      {label}
-      <span
-        className={`absolute -top-0.5 -right-0.5 h-1.5 w-1.5 rounded-full ${badgeColor} animate-pulse`}
-      />
-    </Button>
+    <Tooltip>
+      <TooltipTrigger asChild>
+        <Button
+          aria-label={label}
+          className={`${indicatorButtonClass} ${className ?? ""}`}
+          disabled={!isActionable}
+          onClick={() => {
+            if (handleClick) {
+              void handleClick();
+            }
+          }}
+          size="icon"
+          type="button"
+          variant="ghost"
+        >
+          <Icon className={variantIconClass} />
+          <span
+            className={`absolute right-1 top-1 h-1.5 w-1.5 rounded-full ${badgeColor} animate-pulse`}
+          />
+        </Button>
+      </TooltipTrigger>
+      <TooltipContent side="bottom">{label}</TooltipContent>
+    </Tooltip>
   );
 }

desktop/src/features/settings/hooks/use-updater.ts

@@ -37,9 +37,13 @@ function canRunBackgroundCheck(status: UpdateStatus): boolean {
   return !BACKGROUND_BLOCKED_STATES.has(status.state);
 }
 
+function initialUpdateStatus(): UpdateStatus {
+  return { state: "idle" };
+}
+
 export function useUpdater() {
-  const [status, setStatusState] = useState<UpdateStatus>({ state: "idle" });
-  const statusRef = useRef<UpdateStatus>({ state: "idle" });
+  const [status, setStatusState] = useState<UpdateStatus>(initialUpdateStatus);
+  const statusRef = useRef<UpdateStatus>(initialUpdateStatus());
   const updateRef = useRef<Update | null>(null);
   const checkInFlightRef = useRef(false);
   const downloadInFlightRef = useRef(false);