refactor: pure JWT auth, no cookies

- Remove middleware (no SSR auth check)
- AuthGuard component checks localStorage token
- Protected route group (protected) wraps all pages
- Login page is public
- All API calls use Authorization: Bearer header

src/app/(protected)/layout.tsx

@@ -0,0 +1,5 @@
+import AuthGuard from "@/components/AuthGuard";
+
+export default function ProtectedLayout({ children }: { children: React.ReactNode }) {
+  return <AuthGuard>{children}</AuthGuard>;
+}

src/app/(protected)/page.tsx

@@ -1,15 +1,20 @@
+"use client";
+
+import { useEffect, useState } from "react";
 import Link from "next/link";
-import { getProjects } from "@/lib/api";
+import { getProjects, Project } from "@/lib/api";
+import { logout } from "@/lib/auth-client";
 
-export const dynamic = "force-dynamic";
+export default function Home() {
+  const [projects, setProjects] = useState<Project[]>([]);
+  const [loading, setLoading] = useState(true);
 
-export default async function Home() {
-  let projects;
-  try {
-    projects = await getProjects();
-  } catch {
-    projects = [];
-  }
+  useEffect(() => {
+    getProjects()
+      .then(setProjects)
+      .catch(() => {})
+      .finally(() => setLoading(false));
+  }, []);
 
   return (
     <div className="flex h-screen">
@@ -18,7 +23,9 @@ export default async function Home() {
           <h1 className="text-4xl font-bold mb-2">Team Board</h1>
           <p className="text-[var(--muted)] mb-8">AI Agent Collaboration Platform</p>
 
-          {projects.length > 0 ? (
+          {loading ? (
+            <p className="text-[var(--muted)]">Загрузка...</p>
+          ) : projects.length > 0 ? (
             <div className="flex flex-col gap-2">
               {projects.map((p) => (
                 <Link
@@ -35,6 +42,13 @@ export default async function Home() {
           ) : (
             <p className="text-[var(--muted)]">Нет проектов. Создайте первый через API.</p>
           )}
+
+          <button
+            onClick={logout}
+            className="mt-8 text-xs text-[var(--muted)] hover:text-[var(--fg)] transition-colors"
+          >
+            Выйти
+          </button>
         </div>
       </main>
     </div>

src/app/(protected)/projects/[slug]/page.tsx

@@ -1,31 +1,37 @@
-import { getProjects, getTasks } from "@/lib/api";
-import { notFound } from "next/navigation";
+"use client";
+
+import { useEffect, useState } from "react";
+import { useParams } from "next/navigation";
+import { getProjects, Project } from "@/lib/api";
 import Sidebar from "@/components/Sidebar";
 import KanbanBoard from "@/components/KanbanBoard";
 
-export const dynamic = "force-dynamic";
+export default function ProjectPage() {
+  const { slug } = useParams<{ slug: string }>();
+  const [projects, setProjects] = useState<Project[]>([]);
+  const [loading, setLoading] = useState(true);
 
-interface Props {
-  params: Promise<{ slug: string }>;
-}
-
-export default async function ProjectPage({ params }: Props) {
-  const { slug } = await params;
-  let projects;
-  try {
-    projects = await getProjects();
-  } catch {
-    projects = [];
-  }
+  useEffect(() => {
+    getProjects()
+      .then(setProjects)
+      .catch(() => {})
+      .finally(() => setLoading(false));
+  }, []);
 
   const project = projects.find((p) => p.slug === slug);
-  if (!project) return notFound();
+
+  if (loading) {
+    return <div className="flex h-screen items-center justify-center text-[var(--muted)]">Загрузка...</div>;
+  }
+
+  if (!project) {
+    return <div className="flex h-screen items-center justify-center text-[var(--muted)]">Проект не найден</div>;
+  }
 
   return (
     <div className="flex h-screen">
       <Sidebar projects={projects} activeSlug={slug} />
       <main className="flex-1 flex flex-col overflow-hidden">
-        {/* Header */}
         <header className="border-b border-[var(--border)] px-6 py-4 flex items-center gap-4">
           <div>
             <h1 className="text-xl font-bold">{project.name}</h1>
@@ -34,8 +40,6 @@ export default async function ProjectPage({ params }: Props) {
             )}
           </div>
         </header>
-
-        {/* Kanban */}
         <div className="flex-1 overflow-hidden">
           <KanbanBoard projectId={project.id} />
         </div>

src/app/api/auth/login/route.ts

@@ -1,4 +1,3 @@
-import { cookies } from "next/headers";
 import { NextRequest, NextResponse } from "next/server";
 import { createToken } from "@/lib/auth";
 
@@ -14,17 +13,6 @@ export async function POST(req: NextRequest) {
       name: username,
       provider: "local",
     });
-
-    // Set cookie server-side (reliable, httpOnly)
-    const jar = await cookies();
-    jar.set("tb_token", token, {
-      httpOnly: true,
-      secure: true,
-      sameSite: "lax",
-      maxAge: 7 * 24 * 3600,
-      path: "/",
-    });
-
     return NextResponse.json({ token, user: { name: username, provider: "local" } });
   }
 

src/app/login/page.tsx

@@ -1,14 +1,13 @@
 "use client";
 
 import { useState } from "react";
-import { useRouter } from "next/navigation";
+import { setToken } from "@/lib/auth-client";
 
 export default function LoginPage() {
   const [username, setUsername] = useState("");
   const [password, setPassword] = useState("");
   const [error, setError] = useState("");
   const [loading, setLoading] = useState(false);
-  const router = useRouter();
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
@@ -22,9 +21,7 @@ export default function LoginPage() {
       });
       const data = await res.json();
       if (res.ok && data.token) {
-        // Token stored in localStorage for API calls
-        localStorage.setItem("tb_token", data.token);
-        // Cookie set server-side via Set-Cookie header
+        setToken(data.token);
         window.location.href = "/";
       } else {
         setError(data.error || "Ошибка авторизации");

src/components/AuthGuard.tsx

@@ -0,0 +1,28 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { useRouter } from "next/navigation";
+import { isAuthenticated } from "@/lib/auth-client";
+
+export default function AuthGuard({ children }: { children: React.ReactNode }) {
+  const router = useRouter();
+  const [checked, setChecked] = useState(false);
+
+  useEffect(() => {
+    if (!isAuthenticated()) {
+      router.replace("/login");
+    } else {
+      setChecked(true);
+    }
+  }, [router]);
+
+  if (!checked) {
+    return (
+      <div className="flex h-screen items-center justify-center text-[var(--muted)]">
+        Загрузка...
+      </div>
+    );
+  }
+
+  return <>{children}</>;
+}

src/lib/auth-client.ts

@@ -1,10 +1,21 @@
 /**
- * Client-side auth helpers.
+ * Client-side JWT auth.
+ * Token stored in localStorage, sent as Authorization: Bearer header.
  */
 
+const TOKEN_KEY = "tb_token";
+
 export function getToken(): string | null {
   if (typeof window === "undefined") return null;
-  return localStorage.getItem("tb_token");
+  return localStorage.getItem(TOKEN_KEY);
+}
+
+export function setToken(token: string) {
+  localStorage.setItem(TOKEN_KEY, token);
+}
+
+export function clearToken() {
+  localStorage.removeItem(TOKEN_KEY);
 }
 
 export function isAuthenticated(): boolean {
@@ -12,7 +23,6 @@ export function isAuthenticated(): boolean {
 }
 
 export function logout() {
-  localStorage.removeItem("tb_token");
-  document.cookie = "tb_token=; path=/; max-age=0";
+  clearToken();
   window.location.href = "/login";
 }

src/middleware.ts

@@ -1,27 +0,0 @@
-import { NextRequest, NextResponse } from "next/server";
-import { verifyToken } from "@/lib/auth";
-
-export async function middleware(req: NextRequest) {
-  // Check Authorization header (API calls)
-  const authHeader = req.headers.get("authorization");
-  if (authHeader) {
-    const token = authHeader.replace("Bearer ", "");
-    const payload = await verifyToken(token);
-    if (payload) return NextResponse.next();
-    return NextResponse.json({ error: "Invalid token" }, { status: 401 });
-  }
-
-  // Check cookie (browser navigation)
-  const token = req.cookies.get("tb_token")?.value;
-  if (token) {
-    const payload = await verifyToken(token);
-    if (payload) return NextResponse.next();
-  }
-
-  // Redirect to login
-  return NextResponse.redirect(new URL("/login", req.url));
-}
-
-export const config = {
-  matcher: ["/((?!login|api/auth|_next/static|_next/image|favicon.ico).*)"],
-};