feat(auth): интегрировать SSO auth-portal

JWT на backend, handoff/callback на UI, RBAC mm:*, AUTH_* в compose.

Co-authored-by: Cursor <[email protected]>

app/(main)/layout.tsx

@@ -1,5 +1,6 @@
 import type { CSSProperties, ReactNode } from "react"
 import { AppSidebar } from "@/components/app-sidebar"
+import { AuthGuard } from "@/components/auth-guard"
 import { SidebarInset, SidebarProvider } from "@/components/ui/sidebar"
 import { CommandPalette } from "@/components/command-palette"
 import { ReleaseNotesModal } from "@/components/release-notes-modal"
@@ -11,22 +12,24 @@ const SKIP_TO_CONTENT_CLASS =
 
 export default function MainLayout({ children }: { children: ReactNode }) {
   return (
-    <DataSourceProvider>
-      <EvoBGPProvider>
-        <SidebarProvider
-          style={{ "--sidebar-width": "240px" } as CSSProperties}
-        >
-          <a href="#main-content" className={SKIP_TO_CONTENT_CLASS}>
-            К содержимому
-          </a>
-          <AppSidebar />
-          <SidebarInset id="main-content" className="h-svh overflow-hidden">
-            {children}
-          </SidebarInset>
-          <CommandPalette />
-          <ReleaseNotesModal />
-        </SidebarProvider>
-      </EvoBGPProvider>
-    </DataSourceProvider>
+    <AuthGuard>
+      <DataSourceProvider>
+        <EvoBGPProvider>
+          <SidebarProvider
+            style={{ "--sidebar-width": "240px" } as CSSProperties}
+          >
+            <a href="#main-content" className={SKIP_TO_CONTENT_CLASS}>
+              К содержимому
+            </a>
+            <AppSidebar />
+            <SidebarInset id="main-content" className="h-svh overflow-hidden">
+              {children}
+            </SidebarInset>
+            <CommandPalette />
+            <ReleaseNotesModal />
+          </SidebarProvider>
+        </EvoBGPProvider>
+      </DataSourceProvider>
+    </AuthGuard>
   )
 }

app/access-denied/page.tsx

@@ -0,0 +1,19 @@
+"use client"
+
+export default function AccessDeniedPage() {
+  return (
+    <div className="flex min-h-svh flex-col items-center justify-center gap-3 p-6 text-center">
+      <h1 className="text-lg font-semibold">Нет доступа</h1>
+      <p className="text-muted-foreground max-w-md text-sm">
+        У вашей учётной записи нет приложения MikrotikManager (`mm`) или
+        необходимых прав. Обратитесь к администратору auth-portal.
+      </p>
+      <a
+        href="/auth/callback"
+        className="text-primary text-sm underline-offset-4 hover:underline"
+      >
+        Войти снова
+      </a>
+    </div>
+  )
+}

app/auth/callback/page.tsx

@@ -0,0 +1,98 @@
+"use client"
+
+import { useEffect, useState } from "react"
+import { useRouter } from "next/navigation"
+import {
+  clearPortalHandoffFlag,
+  clearToken,
+  ensureAuthConfig,
+  firstAllowedPath,
+  getClaims,
+  getToken,
+  parseHashToken,
+  redirectToPortalLogin,
+  redirectToPortalLoginInteractive,
+  setToken,
+} from "@/lib/auth"
+
+export default function AuthCallbackPage() {
+  const router = useRouter()
+  const [message, setMessage] = useState("Перенаправление на Auth Portal…")
+
+  useEffect(() => {
+    let cancelled = false
+
+    void (async () => {
+      await ensureAuthConfig()
+      if (cancelled) return
+
+      const params = new URLSearchParams(window.location.search)
+      const error = params.get("error")
+      if (error === "sso_loop" || error === "jwt_rejected") {
+        redirectToPortalLoginInteractive()
+        return
+      }
+
+      const { accessToken } = parseHashToken(window.location.hash)
+      if (accessToken) {
+        setToken(accessToken)
+        clearPortalHandoffFlag()
+        const claims = getClaims()
+        if (!claims) {
+          clearToken()
+          redirectToPortalLoginInteractive()
+          return
+        }
+        if (!claims.apps.includes("mm")) {
+          setMessage("Нет доступа к приложению")
+          router.replace("/access-denied")
+          return
+        }
+
+        try {
+          const res = await fetch("/api/auth/config", {
+            headers: { Authorization: `Bearer ${accessToken}` },
+          })
+          if (res.status === 401) {
+            clearToken()
+            redirectToPortalLoginInteractive()
+            return
+          }
+        } catch {
+          /* ignore network — proceed */
+        }
+
+        const next = firstAllowedPath()
+        if (next === "/access-denied") {
+          router.replace("/access-denied")
+          return
+        }
+        router.replace(next)
+        return
+      }
+
+      if (getToken() && getClaims()) {
+        clearPortalHandoffFlag()
+        if (!getClaims()!.apps.includes("mm")) {
+          router.replace("/access-denied")
+          return
+        }
+        router.replace(firstAllowedPath())
+        return
+      }
+
+      const ok = redirectToPortalLogin(`${window.location.origin}/auth/callback`)
+      if (!ok) redirectToPortalLoginInteractive()
+    })()
+
+    return () => {
+      cancelled = true
+    }
+  }, [router])
+
+  return (
+    <div className="text-muted-foreground flex min-h-svh items-center justify-center p-6 text-sm">
+      {message}
+    </div>
+  )
+}