fix: restore logout button in sidebar

src/components/Sidebar.tsx

@@ -3,6 +3,7 @@
 import { useState } from "react";
 import Link from "next/link";
 import { Project } from "@/lib/api";
+import { logout } from "@/lib/auth-client";
 
 interface Props {
   projects: Project[];
@@ -57,14 +58,23 @@ export default function Sidebar({ projects, activeSlug }: Props) {
 
       <div className="p-3 border-t border-[var(--border)] flex items-center justify-between">
         <span className="text-xs text-[var(--muted)]">Team Board v0.2</span>
-        <Link
-          href="/settings"
-          onClick={() => setOpen(false)}
-          className="text-[var(--muted)] hover:text-[var(--fg)] transition-colors"
-          title="Настройки"
-        >
-          ⚙️
-        </Link>
+        <div className="flex items-center gap-2">
+          <Link
+            href="/settings"
+            onClick={() => setOpen(false)}
+            className="text-[var(--muted)] hover:text-[var(--fg)] transition-colors"
+            title="Настройки"
+          >
+            ⚙️
+          </Link>
+          <button
+            onClick={logout}
+            className="text-[var(--muted)] hover:text-[var(--fg)] transition-colors"
+            title="Выйти"
+          >
+            🚪
+          </button>
+        </div>
       </div>
     </>
   );