fix: header personal page link and login flow

components/header.tsx

@@ -51,7 +51,7 @@ export function Header() {
   const [mobileOpen, setMobileOpen] = useState(false)
   const pathname = usePathname()
   const router = useRouter()
-  const { isAuthenticated, currentRole, switchRole, login, logout } = useAuthStore()
+  const { isAuthenticated, currentRole, switchRole, logout } = useAuthStore()
 
   const unreadCount = mockNotifications.filter((n) => !n.read).length
 
@@ -142,12 +142,14 @@ export function Header() {
                   <DropdownMenuLabel>{currentUser.nickname}</DropdownMenuLabel>
                   <DropdownMenuSeparator />
                   <DropdownMenuGroup>
+                    {currentRole === "player" && (
                       <DropdownMenuItem asChild>
                         <Link href={`/player/${currentUser.id}`}>
                           <User className="mr-2 h-4 w-4" />
                           个人主页
                         </Link>
                       </DropdownMenuItem>
+                    )}
                     <DropdownMenuItem asChild>
                       <Link href="/orders">
                         <ShoppingBag className="mr-2 h-4 w-4" />
@@ -191,8 +193,8 @@ export function Header() {
             </>
           ) : (
             <div className="hidden md:flex items-center gap-2">
-              <Button variant="ghost" size="sm" onClick={login}>
-                登录
+              <Button variant="ghost" size="sm" asChild>
+                <Link href="/login">登录</Link>
               </Button>
               <Button size="sm" asChild>
                 <Link href="/register">注册</Link>
@@ -301,8 +303,10 @@ export function Header() {
 
                 {!isAuthenticated && (
                   <div className="border-t pt-4 flex gap-2 px-3">
-                    <Button variant="outline" className="flex-1" onClick={login}>
+                    <Button variant="outline" className="flex-1" asChild>
+                      <Link href="/login" onClick={() => setMobileOpen(false)}>
                         登录
+                      </Link>
                     </Button>
                     <Button className="flex-1" asChild>
                       <Link href="/register" onClick={() => setMobileOpen(false)}>