feat(auth): include subscription tier in token and session payload

- Adds subscription tier info to access/refresh tokens.
- Stores tier details in session Redis record.
- Returns tier data in login/register response.
- Uses default tier when user has none.

app/[locale]/admin/subscriptions/page.tsx

@@ -0,0 +1,64 @@
+import type { Metadata } from "next";
+import { redirect } from "next/navigation";
+import { cookies } from "next/headers";
+import Header from "@/components/Header";
+import { getSession } from "@/lib/redis/session";
+import { getAllSubscriptionTiers } from "@/lib/prisma/queries/subscription-tiers";
+import { AdminSubscriptionDashboard } from "@/components/admin/subscription-dashboard";
+import { getUserById } from "@/lib/prisma/queries/users";
+
+export async function generateMetadata(): Promise<Metadata> {
+  return {
+    title: "Assinaturas e Permissões",
+    description:
+      "Gerencie os planos de assinatura, recursos avançados e permissões dos usuários.",
+  };
+}
+
+export default async function AdminSubscriptionsPage({
+  params,
+}: {
+  params: Promise<{ locale: string }>;
+}) {
+  const { locale } = await params;
+  const cookieStore = await cookies();
+  const sessionId = cookieStore.get("sessionId")?.value;
+
+  if (!sessionId) {
+    redirect(`/${locale}`);
+  }
+
+  const session = await getSession(sessionId);
+
+  if (!session || session.userId !== 1) {
+    redirect(`/${locale}`);
+  }
+
+  const tiers = await getAllSubscriptionTiers(true);
+  const adminUser = await getUserById(session.userId);
+
+  return (
+    <div className="min-h-screen bg-background text-foreground">
+      <Header />
+      <main className="container mx-auto px-4 py-10 space-y-8">
+        <section className="space-y-2">
+          <h1 className="text-3xl font-bold">Assinaturas & Permissões</h1>
+          <p className="text-muted-foreground">
+            Configure planos, recursos e vincule usuários às assinaturas disponíveis.
+          </p>
+          {adminUser?.subscription_tier && (
+            <p className="text-sm text-muted-foreground">
+              Seu plano atual:{" "}
+              <span className="font-semibold uppercase">
+                {adminUser.subscription_tier.name} ({adminUser.subscription_tier.slug})
+              </span>
+            </p>
+          )}
+        </section>
+
+        <AdminSubscriptionDashboard initialTiers={tiers} />
+      </main>
+    </div>
+  );
+}
+

app/api/auth/login/route.ts

@@ -18,6 +18,10 @@ import {
 } from "@/lib/prisma/queries/users";
 import { setSession } from "@/lib/redis/session";
 import { randomUUID } from "crypto";
+import {
+  getDefaultSubscriptionTier,
+  getSubscriptionTierById,
+} from "@/lib/prisma/queries/subscription-tiers";
 
 export async function POST(request: NextRequest) {
   try {
@@ -125,8 +129,20 @@ export async function POST(request: NextRequest) {
     await updateLastLogin(user.user_id);
 
     // Gerar tokens
-    const accessToken = generateAccessToken(user.user_id, user.username);
-    const refreshToken = generateRefreshToken(user.user_id, user.username);
+    const tierInfo =
+      user.subscription_tier ??
+      (user.subscription_tier_id
+        ? await getSubscriptionTierById(user.subscription_tier_id)
+        : await getDefaultSubscriptionTier());
+
+    const accessToken = generateAccessToken(user.user_id, user.username, {
+      tierSlug: tierInfo?.slug ?? undefined,
+      tierLevel: tierInfo?.level ?? undefined,
+    });
+    const refreshToken = generateRefreshToken(user.user_id, user.username, {
+      tierSlug: tierInfo?.slug ?? undefined,
+      tierLevel: tierInfo?.level ?? undefined,
+    });
 
     // Criar sessão no Redis
     const sessionId = randomUUID();
@@ -136,6 +152,10 @@ export async function POST(request: NextRequest) {
       email: user.email,
       accessToken,
       createdAt: Date.now(),
+      subscriptionTierId: tierInfo?.subscription_tier_id ?? null,
+      subscriptionTierSlug: tierInfo?.slug ?? null,
+      subscriptionTierName: tierInfo?.name ?? null,
+      subscriptionTierLevel: tierInfo?.level ?? null,
     });
 
     // Criar resposta
@@ -150,6 +170,14 @@ export async function POST(request: NextRequest) {
           lastName: user.last_name,
           accountLevel: user.account_level,
           hasDonated: user.has_donated,
+          subscriptionTier: tierInfo
+            ? {
+                id: tierInfo.subscription_tier_id,
+                name: tierInfo.name,
+                slug: tierInfo.slug,
+                level: tierInfo.level,
+              }
+            : null,
         },
         accessToken,
       },

app/api/auth/register/route.ts

@@ -23,6 +23,7 @@ import { setSession } from "@/lib/redis/session";
 import { randomUUID } from "crypto";
 import { createUser } from "@/lib/prisma/queries/users";
 import { createCharacter } from "@/lib/prisma/queries/characters";
+import { getDefaultSubscriptionTier } from "@/lib/prisma/queries/subscription-tiers";
 
 export async function POST(request: NextRequest) {
   try {
@@ -186,10 +187,19 @@ export async function POST(request: NextRequest) {
     });
 
     // Gerar tokens
-    const accessToken = generateAccessToken(newUser.userId, newUser.username);
+    const defaultTier = await getDefaultSubscriptionTier();
+
+    const accessToken = generateAccessToken(newUser.userId, newUser.username, {
+      tierSlug: defaultTier?.slug ?? undefined,
+      tierLevel: defaultTier?.level ?? undefined,
+    });
     const refreshToken = generateRefreshToken(
       newUser.userId,
-      newUser.username
+      newUser.username,
+      {
+        tierSlug: defaultTier?.slug ?? undefined,
+        tierLevel: defaultTier?.level ?? undefined,
+      }
     );
 
     // Criar sessão no Redis
@@ -200,6 +210,10 @@ export async function POST(request: NextRequest) {
       email: newUser.email,
       accessToken,
       createdAt: Date.now(),
+      subscriptionTierId: defaultTier?.subscription_tier_id ?? null,
+      subscriptionTierSlug: defaultTier?.slug ?? null,
+      subscriptionTierName: defaultTier?.name ?? null,
+      subscriptionTierLevel: defaultTier?.level ?? null,
     });
 
     // Criar resposta
@@ -210,6 +224,14 @@ export async function POST(request: NextRequest) {
           userId: newUser.userId,
           username: newUser.username,
           email: newUser.email,
+          subscriptionTier: defaultTier
+            ? {
+                id: defaultTier.subscription_tier_id,
+                name: defaultTier.name,
+                slug: defaultTier.slug,
+                level: defaultTier.level,
+              }
+            : null,
         },
         accessToken,
       },

app/api/auth/session/route.ts

@@ -1,9 +1,11 @@
 import { NextRequest, NextResponse } from "next/server";
 import { cookies } from "next/headers";
 import { secureLogger } from "@/lib/secure-logger";
-import { getSession, refreshSession, deleteSession } from "@/lib/redis/session";
+import { getSession, refreshSession, deleteSession, setSession } from "@/lib/redis/session";
 import { verifyAccessToken } from "@/lib/auth/jwt";
 import { getMainCharacter } from "@/lib/prisma/queries/characters";
+import { getUserById } from "@/lib/prisma/queries/users";
+import { getSubscriptionTierById, getDefaultSubscriptionTier } from "@/lib/prisma/queries/subscription-tiers";
 
 /**
  * GET /api/auth/session
@@ -27,7 +29,7 @@ export async function GET(request: NextRequest) {
     }
 
     // Buscar sessão no Redis
-    const session = await getSession(sessionId);
+    let session = await getSession(sessionId);
 
     if (!session) {
       // Limpar cookie se sessão não existe
@@ -63,6 +65,55 @@ export async function GET(request: NextRequest) {
       return response;
     }
 
+    let tierInfo:
+      | {
+          subscription_tier_id: number | null;
+          name: string | null;
+          slug: string | null;
+          level: number | null;
+        }
+      | null = {
+      subscription_tier_id: session.subscriptionTierId,
+      name: session.subscriptionTierName,
+      slug: session.subscriptionTierSlug,
+      level: session.subscriptionTierLevel,
+    };
+
+    if (
+      tierInfo.subscription_tier_id === undefined ||
+      tierInfo.subscription_tier_id === null ||
+      tierInfo.slug === null
+    ) {
+      const dbUser = await getUserById(session.userId);
+      const fetchedTier = dbUser?.subscription_tier
+        ? await getSubscriptionTierById(dbUser.subscription_tier.subscription_tier_id)
+        : await getDefaultSubscriptionTier();
+
+      tierInfo = fetchedTier
+        ? {
+            subscription_tier_id: fetchedTier.subscription_tier_id,
+            name: fetchedTier.name,
+            slug: fetchedTier.slug,
+            level: fetchedTier.level,
+          }
+        : {
+            subscription_tier_id: null,
+            name: null,
+            slug: null,
+            level: null,
+          };
+
+      session = {
+        ...session,
+        subscriptionTierId: tierInfo.subscription_tier_id,
+        subscriptionTierName: tierInfo.name,
+        subscriptionTierSlug: tierInfo.slug,
+        subscriptionTierLevel: tierInfo.level,
+      };
+
+      await setSession(sessionId, session);
+    }
+
     // Atualizar TTL da sessão
     await refreshSession(sessionId);
 
@@ -78,6 +129,14 @@ export async function GET(request: NextRequest) {
           username: session.username,
           email: session.email,
           characterName: mainCharacter?.character_name || null,
+          subscriptionTier: tierInfo
+            ? {
+                id: tierInfo.subscription_tier_id,
+                name: tierInfo.name,
+                slug: tierInfo.slug,
+                level: tierInfo.level,
+              }
+            : null,
         },
       },
       { status: 200 }

app/api/subscription-tiers/[id]/route.ts

@@ -0,0 +1,210 @@
+import { NextRequest, NextResponse } from "next/server";
+import { requireAdminUser } from "@/lib/auth/middleware";
+import {
+  getSubscriptionTierById,
+  updateSubscriptionTier,
+  deleteSubscriptionTier,
+  countUsersInSubscriptionTier,
+} from "@/lib/prisma/queries/subscription-tiers";
+import { updateSubscriptionTierSchema } from "@/lib/validation-schemas";
+import { secureLogger } from "@/lib/secure-logger";
+
+export async function GET(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const auth = await requireAdminUser(request);
+  if (auth instanceof NextResponse) {
+    return auth;
+  }
+
+  try {
+    const { id } = await params;
+    const tierId = Number.parseInt(id, 10);
+
+    if (Number.isNaN(tierId) || tierId <= 0) {
+      return NextResponse.json(
+        { success: false, error: "ID de tier inválido" },
+        { status: 400 }
+      );
+    }
+
+    const tier = await getSubscriptionTierById(tierId, true);
+
+    if (!tier) {
+      return NextResponse.json(
+        { success: false, error: "Plano não encontrado" },
+        { status: 404 }
+      );
+    }
+
+    return NextResponse.json(
+      {
+        success: true,
+        tier,
+      },
+      { status: 200 }
+    );
+  } catch (error) {
+    secureLogger.error("❌ Erro ao consultar subscription tier", {
+      error: error instanceof Error ? error.message : "Erro desconhecido",
+    });
+
+    return NextResponse.json(
+      {
+        success: false,
+        error: "Erro ao consultar plano de assinatura",
+      },
+      { status: 500 }
+    );
+  }
+}
+
+export async function PATCH(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const auth = await requireAdminUser(request);
+  if (auth instanceof NextResponse) {
+    return auth;
+  }
+
+  try {
+    const { id } = await params;
+    const tierId = Number.parseInt(id, 10);
+
+    if (Number.isNaN(tierId) || tierId <= 0) {
+      return NextResponse.json(
+        { success: false, error: "ID de tier inválido" },
+        { status: 400 }
+      );
+    }
+
+    const body = await request.json();
+    const parsed = updateSubscriptionTierSchema.parse(body);
+
+    const updatedTier = await updateSubscriptionTier(tierId, {
+      name: parsed.name,
+      slug: parsed.slug,
+      description: parsed.description ?? undefined,
+      level: parsed.level,
+      price_monthly: parsed.priceMonthly ?? undefined,
+      price_yearly: parsed.priceYearly ?? undefined,
+      is_active: parsed.isActive,
+      features: parsed.features?.map((feature, index) => ({
+        feature_key: feature.featureKey,
+        label: feature.label,
+        description: feature.description ?? null,
+        sort_order: feature.sortOrder ?? index,
+        _delete: feature._delete ?? false,
+      })),
+    });
+
+    return NextResponse.json(
+      {
+        success: true,
+        tier: updatedTier,
+      },
+      { status: 200 }
+    );
+  } catch (error) {
+    if (error instanceof Error && "issues" in error) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: "Dados inválidos",
+          details: (error as any).issues,
+        },
+        { status: 400 }
+      );
+    }
+
+    secureLogger.error("❌ Erro ao atualizar subscription tier", {
+      error: error instanceof Error ? error.message : "Erro desconhecido",
+    });
+
+    return NextResponse.json(
+      {
+        success: false,
+        error: "Erro ao atualizar plano de assinatura",
+      },
+      { status: 500 }
+    );
+  }
+}
+
+export async function DELETE(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const auth = await requireAdminUser(request);
+  if (auth instanceof NextResponse) {
+    return auth;
+  }
+
+  try {
+    const { id } = await params;
+    const tierId = Number.parseInt(id, 10);
+
+    if (Number.isNaN(tierId) || tierId <= 0) {
+      return NextResponse.json(
+        { success: false, error: "ID de tier inválido" },
+        { status: 400 }
+      );
+    }
+
+    const tier = await getSubscriptionTierById(tierId, false);
+
+    if (!tier) {
+      return NextResponse.json(
+        { success: false, error: "Plano não encontrado" },
+        { status: 404 }
+      );
+    }
+
+    if (tier.slug === "free") {
+      return NextResponse.json(
+        {
+          success: false,
+          error: "O plano padrão 'free' não pode ser removido.",
+        },
+        { status: 400 }
+      );
+    }
+
+    const userCount = await countUsersInSubscriptionTier(tierId);
+
+    if (userCount > 0) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: "Plano não pode ser removido enquanto houver usuários associados.",
+          users: userCount,
+        },
+        { status: 409 }
+      );
+    }
+
+    await deleteSubscriptionTier(tierId);
+
+    return NextResponse.json(
+      {
+        success: true,
+      },
+      { status: 200 }
+    );
+  } catch (error) {
+    secureLogger.error("❌ Erro ao remover subscription tier", {
+      error: error instanceof Error ? error.message : "Erro desconhecido",
+    });
+
+    return NextResponse.json(
+      {
+        success: false,
+        error: "Erro ao remover plano de assinatura",
+      },
+      { status: 500 }
+    );
+  }
+}
+

app/api/subscription-tiers/assign/route.ts

@@ -0,0 +1,136 @@
+import { NextRequest, NextResponse } from "next/server";
+import { requireAdminUser } from "@/lib/auth/middleware";
+import {
+  assignUserToSubscriptionTier,
+  getSubscriptionTierById,
+  getSubscriptionTierBySlug,
+  getDefaultSubscriptionTier,
+} from "@/lib/prisma/queries/subscription-tiers";
+import { assignSubscriptionTierSchema } from "@/lib/validation-schemas";
+import { secureLogger } from "@/lib/secure-logger";
+import { getUserById } from "@/lib/prisma/queries/users";
+
+export async function POST(request: NextRequest) {
+  const auth = await requireAdminUser(request);
+  if (auth instanceof NextResponse) {
+    return auth;
+  }
+
+  try {
+    const body = await request.json();
+    const parsed = assignSubscriptionTierSchema.parse(body);
+
+    const user = await getUserById(parsed.userId);
+    if (!user) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: "Usuário não encontrado.",
+        },
+        { status: 404 }
+      );
+    }
+
+    let targetTierId: number | null = null;
+    let targetTier:
+      | {
+          subscription_tier_id: number;
+          name: string;
+          slug: string;
+          level: number;
+        }
+      | null = null;
+
+    if (parsed.tierId !== undefined) {
+      if (parsed.tierId === null) {
+        const defaultTier = await getDefaultSubscriptionTier();
+        if (!defaultTier) {
+          return NextResponse.json(
+            {
+              success: false,
+              error: "Plano padrão não encontrado.",
+            },
+            { status: 500 }
+          );
+        }
+        targetTier = defaultTier;
+      } else {
+        const tierById = await getSubscriptionTierById(parsed.tierId, false);
+        if (!tierById) {
+          return NextResponse.json(
+            {
+              success: false,
+              error: "Plano informado não existe.",
+            },
+            { status: 404 }
+          );
+        }
+        targetTier = tierById;
+      }
+    } else if (parsed.tierSlug) {
+      const tierBySlug = await getSubscriptionTierBySlug(parsed.tierSlug, false);
+      if (!tierBySlug) {
+        return NextResponse.json(
+          {
+            success: false,
+            error: "Plano informado não existe.",
+          },
+          { status: 404 }
+        );
+      }
+      targetTier = tierBySlug;
+    }
+
+    if (!targetTier) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: "Plano de assinatura não identificado.",
+        },
+        { status: 400 }
+      );
+    }
+
+    targetTierId = targetTier.subscription_tier_id;
+
+    await assignUserToSubscriptionTier(parsed.userId, targetTierId);
+
+    return NextResponse.json(
+      {
+        success: true,
+        userId: parsed.userId,
+        tier: {
+          id: targetTier.subscription_tier_id,
+          name: targetTier.name,
+          slug: targetTier.slug,
+          level: targetTier.level,
+        },
+      },
+      { status: 200 }
+    );
+  } catch (error) {
+    if (error instanceof Error && "issues" in error) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: "Dados inválidos",
+          details: (error as any).issues,
+        },
+        { status: 400 }
+      );
+    }
+
+    secureLogger.error("❌ Erro ao atribuir subscription tier", {
+      error: error instanceof Error ? error.message : "Erro desconhecido",
+    });
+
+    return NextResponse.json(
+      {
+        success: false,
+        error: "Erro ao atribuir plano de assinatura ao usuário",
+      },
+      { status: 500 }
+    );
+  }
+}
+

app/api/subscription-tiers/route.ts

@@ -0,0 +1,102 @@
+import { NextRequest, NextResponse } from "next/server";
+import { requireAdminUser } from "@/lib/auth/middleware";
+import {
+  getAllSubscriptionTiers,
+  createSubscriptionTier,
+} from "@/lib/prisma/queries/subscription-tiers";
+import { createSubscriptionTierSchema } from "@/lib/validation-schemas";
+import { secureLogger } from "@/lib/secure-logger";
+
+export async function GET(request: NextRequest) {
+  const auth = await requireAdminUser(request);
+  if (auth instanceof NextResponse) {
+    return auth;
+  }
+
+  try {
+    const tiers = await getAllSubscriptionTiers(true);
+    return NextResponse.json(
+      {
+        success: true,
+        tiers,
+      },
+      { status: 200 }
+    );
+  } catch (error) {
+    secureLogger.error("❌ Erro ao listar subscription tiers", {
+      error: error instanceof Error ? error.message : "Erro desconhecido",
+    });
+
+    return NextResponse.json(
+      {
+        success: false,
+        error: "Erro ao listar planos de assinatura",
+      },
+      { status: 500 }
+    );
+  }
+}
+
+export async function POST(request: NextRequest) {
+  const auth = await requireAdminUser(request);
+  if (auth instanceof NextResponse) {
+    return auth;
+  }
+
+  try {
+    const body = await request.json();
+    const parsed = createSubscriptionTierSchema.parse(body);
+
+    const tier = await createSubscriptionTier({
+      name: parsed.name,
+      slug: parsed.slug,
+      description: parsed.description ?? null,
+      level: parsed.level ?? 0,
+      price_monthly: parsed.priceMonthly ?? null,
+      price_yearly: parsed.priceYearly ?? null,
+      is_active: parsed.isActive ?? true,
+      features: parsed.features?.map((feature, index) => ({
+        feature_key: feature.featureKey,
+        label: feature.label,
+        description: feature.description ?? null,
+        sort_order: feature.sortOrder ?? index,
+      })),
+    });
+
+    return NextResponse.json(
+      {
+        success: true,
+        tier,
+      },
+      { status: 201 }
+    );
+  } catch (error) {
+    if (error instanceof NextResponse) {
+      throw error;
+    }
+
+    if (error instanceof Error && "issues" in error) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: "Dados inválidos",
+          details: (error as any).issues,
+        },
+        { status: 400 }
+      );
+    }
+
+    secureLogger.error("❌ Erro ao criar subscription tier", {
+      error: error instanceof Error ? error.message : "Erro desconhecido",
+    });
+
+    return NextResponse.json(
+      {
+        success: false,
+        error: "Erro ao criar plano de assinatura",
+      },
+      { status: 500 }
+    );
+  }
+}
+

components/Header.tsx

@@ -31,6 +31,7 @@ import { useSession } from "@/lib/hooks/use-session";
 import Link from "next/link";
 import { useState, useEffect } from "react";
 import { LogOut, User } from "lucide-react";
+import { Badge } from "@/components/ui/badge";
 
 export default function Header() {
   const t = useTranslations("header.nav");
@@ -53,6 +54,13 @@ export default function Header() {
     { href: `/${locale}/apoiar`, label: t("support"), highlight: true },
   ];
 
+  const navLinks = [
+    ...links,
+    ...(isAuthenticated && user?.userId === 1
+      ? [{ href: `/${locale}/admin/subscriptions`, label: "Admin" }]
+      : []),
+  ];
+
   const handleLogout = async () => {
     await logout();
   };
@@ -73,7 +81,7 @@ export default function Header() {
         {/* Desktop Navigation */}
         <NavigationMenu className="hidden md:flex">
           <NavigationMenuList>
-            {links.map(({ href, label, highlight }) => (
+            {navLinks.map(({ href, label, highlight }) => (
               <NavigationMenuItem key={href}>
                 <NavigationMenuLink asChild>
                   <Link
@@ -103,6 +111,11 @@ export default function Header() {
           
           {/* Notifications */}
           {mounted && isAuthenticated && <NotificationBell />}
+          {mounted && isAuthenticated && user?.subscriptionTier && (
+            <Badge variant="outline" className="uppercase">
+              {user.subscriptionTier.slug}
+            </Badge>
+          )}
           
           {/* Auth Section */}
           {!mounted ? (
@@ -172,7 +185,7 @@ export default function Header() {
 
         {/* Mobile Menu */}
         <div className="md:hidden">
-          <MobileMenu links={links} />
+          <MobileMenu links={navLinks} />
         </div>
       </div>
 

components/admin/subscription-dashboard.tsx

@@ -0,0 +1,701 @@
+"use client";
+
+import { useCallback, useMemo, useState } from "react";
+import type { SubscriptionTierSummary } from "@/lib/prisma/queries/subscription-tiers";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+import { Badge } from "@/components/ui/badge";
+
+type FeedbackState =
+  | { type: "success"; message: string }
+  | { type: "error"; message: string }
+  | null;
+
+interface AdminSubscriptionDashboardProps {
+  initialTiers: SubscriptionTierSummary[];
+}
+
+interface TierFormState {
+  name: string;
+  slug: string;
+  description: string;
+  level: number;
+  priceMonthly: string;
+  priceYearly: string;
+  isActive: boolean;
+  features: string;
+}
+
+function mapTierToFormState(tier: SubscriptionTierSummary): TierFormState {
+  return {
+    name: tier.name,
+    slug: tier.slug,
+    description: tier.description ?? "",
+    level: tier.level,
+    priceMonthly: tier.price_monthly ? tier.price_monthly.toString() : "",
+    priceYearly: tier.price_yearly ? tier.price_yearly.toString() : "",
+    isActive: tier.is_active,
+    features: (tier.features ?? [])
+      .map((feature) => `${feature.feature_key}|${feature.label}|${feature.description ?? ""}`)
+      .join("\n"),
+  };
+}
+
+function parseFeatures(text: string) {
+  if (!text.trim()) {
+    return [];
+  }
+
+  return text
+    .split("\n")
+    .map((line) => line.trim())
+    .filter(Boolean)
+    .map((line, index) => {
+      const [featureKey, label, description] = line.split("|").map((part) => part?.trim() ?? "");
+      return {
+        feature_key: featureKey,
+        label: label || featureKey,
+        description: description || null,
+        sort_order: index,
+      };
+    });
+}
+
+export function AdminSubscriptionDashboard({
+  initialTiers,
+}: AdminSubscriptionDashboardProps) {
+  const [tiers, setTiers] = useState<SubscriptionTierSummary[]>(initialTiers);
+  const [isLoading, setIsLoading] = useState(false);
+  const [feedback, setFeedback] = useState<FeedbackState>(null);
+  const [createForm, setCreateForm] = useState<TierFormState>({
+    name: "",
+    slug: "",
+    description: "",
+    level: 0,
+    priceMonthly: "",
+    priceYearly: "",
+    isActive: true,
+    features: "",
+  });
+  const [editForms, setEditForms] = useState<Record<number, TierFormState>>(() =>
+    Object.fromEntries(initialTiers.map((tier) => [tier.subscription_tier_id, mapTierToFormState(tier)]))
+  );
+  const [assignUserId, setAssignUserId] = useState("");
+  const [assignTierId, setAssignTierId] = useState<string>("free");
+
+  const resetFeedback = () => setFeedback(null);
+
+  const refreshTiers = useCallback(async () => {
+    const response = await fetch("/api/subscription-tiers", {
+      method: "GET",
+      credentials: "include",
+      cache: "no-store",
+    });
+
+    if (!response.ok) {
+      throw new Error("Erro ao atualizar lista de planos.");
+    }
+
+    const data = await response.json();
+    setTiers(data.tiers);
+    setEditForms(
+      Object.fromEntries(
+        data.tiers.map((tier: SubscriptionTierSummary) => [
+          tier.subscription_tier_id,
+          mapTierToFormState(tier),
+        ])
+      )
+    );
+  }, []);
+
+  const handleCreateTier = async () => {
+    resetFeedback();
+    setIsLoading(true);
+    try {
+      const payload = {
+        name: createForm.name,
+        slug: createForm.slug,
+        description: createForm.description || null,
+        level: Number.parseInt(createForm.level.toString(), 10),
+        priceMonthly: createForm.priceMonthly ? Number.parseFloat(createForm.priceMonthly) : null,
+        priceYearly: createForm.priceYearly ? Number.parseFloat(createForm.priceYearly) : null,
+        isActive: createForm.isActive,
+        features: parseFeatures(createForm.features),
+      };
+
+      const response = await fetch("/api/subscription-tiers", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        credentials: "include",
+        body: JSON.stringify(payload),
+      });
+
+      if (!response.ok) {
+        const data = await response.json().catch(() => ({}));
+        throw new Error(data.error || "Erro ao criar plano.");
+      }
+
+      setCreateForm({
+        name: "",
+        slug: "",
+        description: "",
+        level: 0,
+        priceMonthly: "",
+        priceYearly: "",
+        isActive: true,
+        features: "",
+      });
+
+      await refreshTiers();
+      setFeedback({ type: "success", message: "Plano criado com sucesso." });
+    } catch (error) {
+      setFeedback({
+        type: "error",
+        message:
+          error instanceof Error ? error.message : "Não foi possível criar o plano.",
+      });
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleUpdateTier = async (tierId: number) => {
+    resetFeedback();
+    setIsLoading(true);
+    try {
+      const form = editForms[tierId];
+      const payload = {
+        name: form.name,
+        slug: form.slug,
+        description: form.description || null,
+        level: Number.parseInt(form.level.toString(), 10),
+        priceMonthly: form.priceMonthly ? Number.parseFloat(form.priceMonthly) : null,
+        priceYearly: form.priceYearly ? Number.parseFloat(form.priceYearly) : null,
+        isActive: form.isActive,
+        features: parseFeatures(form.features),
+      };
+
+      const response = await fetch(`/api/subscription-tiers/${tierId}`, {
+        method: "PATCH",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        credentials: "include",
+        body: JSON.stringify(payload),
+      });
+
+      if (!response.ok) {
+        const data = await response.json().catch(() => ({}));
+        throw new Error(data.error || "Erro ao atualizar plano.");
+      }
+
+      await refreshTiers();
+      setFeedback({ type: "success", message: "Plano atualizado com sucesso." });
+    } catch (error) {
+      setFeedback({
+        type: "error",
+        message:
+          error instanceof Error ? error.message : "Não foi possível atualizar o plano.",
+      });
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleDeleteTier = async (tierId: number, slug: string) => {
+    resetFeedback();
+
+    if (!confirm(`Deseja realmente remover o plano "${slug}"?`)) {
+      return;
+    }
+
+    setIsLoading(true);
+    try {
+      const response = await fetch(`/api/subscription-tiers/${tierId}`, {
+        method: "DELETE",
+        credentials: "include",
+      });
+
+      if (!response.ok) {
+        const data = await response.json().catch(() => ({}));
+        throw new Error(data.error || "Erro ao remover plano.");
+      }
+
+      await refreshTiers();
+      setFeedback({ type: "success", message: "Plano removido com sucesso." });
+    } catch (error) {
+      setFeedback({
+        type: "error",
+        message:
+          error instanceof Error ? error.message : "Não foi possível remover o plano.",
+      });
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleAssignTier = async () => {
+    resetFeedback();
+
+    if (!assignUserId.trim()) {
+      setFeedback({ type: "error", message: "Informe um ID de usuário válido." });
+      return;
+    }
+
+    setIsLoading(true);
+    try {
+      const payload = {
+        userId: Number.parseInt(assignUserId, 10),
+        tierSlug: assignTierId,
+      };
+
+      const response = await fetch("/api/subscription-tiers/assign", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        credentials: "include",
+        body: JSON.stringify(payload),
+      });
+
+      if (!response.ok) {
+        const data = await response.json().catch(() => ({}));
+        throw new Error(data.error || "Erro ao atualizar plano do usuário.");
+      }
+
+      setAssignUserId("");
+      setFeedback({ type: "success", message: "Plano do usuário atualizado." });
+    } catch (error) {
+      setFeedback({
+        type: "error",
+        message:
+          error instanceof Error
+            ? error.message
+            : "Não foi possível atualizar o plano do usuário.",
+      });
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const orderedTiers = useMemo(
+    () =>
+      [...tiers].sort((a, b) => {
+        if (a.level === b.level) {
+          return a.subscription_tier_id - b.subscription_tier_id;
+        }
+        return a.level - b.level;
+      }),
+    [tiers]
+  );
+
+  return (
+    <div className="space-y-8">
+      {feedback && (
+        <div
+          className={`rounded-md border px-4 py-3 text-sm ${
+            feedback.type === "success"
+              ? "border-emerald-300 bg-emerald-100 text-emerald-900"
+              : "border-destructive/40 bg-destructive/10 text-destructive"
+          }`}
+        >
+          {feedback.message}
+        </div>
+      )}
+
+      <Card>
+        <CardHeader>
+          <CardTitle>Adicionar novo plano</CardTitle>
+        </CardHeader>
+        <CardContent className="space-y-4">
+          <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <div className="space-y-2">
+              <label className="text-sm font-medium" htmlFor="tier-name">
+                Nome
+              </label>
+              <Input
+                id="tier-name"
+                placeholder="Ex.: Ultra"
+                value={createForm.name}
+                onChange={(event) =>
+                  setCreateForm((prev) => ({ ...prev, name: event.target.value }))
+                }
+              />
+            </div>
+            <div className="space-y-2">
+              <label className="text-sm font-medium" htmlFor="tier-slug">
+                Slug
+              </label>
+              <Input
+                id="tier-slug"
+                placeholder="ex.: ultra"
+                value={createForm.slug}
+                onChange={(event) =>
+                  setCreateForm((prev) => ({ ...prev, slug: event.target.value }))
+                }
+              />
+            </div>
+            <div className="space-y-2">
+              <label className="text-sm font-medium" htmlFor="tier-level">
+                Nível (herança)
+              </label>
+              <Input
+                id="tier-level"
+                type="number"
+                min={0}
+                value={createForm.level}
+                onChange={(event) =>
+                  setCreateForm((prev) => ({
+                    ...prev,
+                    level: Number.parseInt(event.target.value || "0", 10),
+                  }))
+                }
+              />
+            </div>
+            <div className="space-y-2">
+              <label className="text-sm font-medium" htmlFor="tier-status">
+                Status
+              </label>
+              <Button
+                id="tier-status"
+                variant={createForm.isActive ? "default" : "outline"}
+                type="button"
+                onClick={() =>
+                  setCreateForm((prev) => ({ ...prev, isActive: !prev.isActive }))
+                }
+              >
+                {createForm.isActive ? "Ativo" : "Inativo"}
+              </Button>
+            </div>
+          </div>
+
+          <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <div className="space-y-2">
+              <label className="text-sm font-medium" htmlFor="tier-price-monthly">
+                Preço mensal (opcional)
+              </label>
+              <Input
+                id="tier-price-monthly"
+                type="number"
+                min={0}
+                step="0.01"
+                value={createForm.priceMonthly}
+                onChange={(event) =>
+                  setCreateForm((prev) => ({ ...prev, priceMonthly: event.target.value }))
+                }
+              />
+            </div>
+            <div className="space-y-2">
+              <label className="text-sm font-medium" htmlFor="tier-price-yearly">
+                Preço anual (opcional)
+              </label>
+              <Input
+                id="tier-price-yearly"
+                type="number"
+                min={0}
+                step="0.01"
+                value={createForm.priceYearly}
+                onChange={(event) =>
+                  setCreateForm((prev) => ({ ...prev, priceYearly: event.target.value }))
+                }
+              />
+            </div>
+          </div>
+
+          <div className="space-y-2">
+            <label className="text-sm font-medium" htmlFor="tier-description">
+              Descrição
+            </label>
+            <Textarea
+              id="tier-description"
+              rows={3}
+              value={createForm.description}
+              onChange={(event) =>
+                setCreateForm((prev) => ({ ...prev, description: event.target.value }))
+              }
+            />
+          </div>
+
+          <div className="space-y-2">
+            <label className="text-sm font-medium" htmlFor="tier-features">
+              Recursos (um por linha: featureKey|Label|Descrição)
+            </label>
+            <Textarea
+              id="tier-features"
+              rows={4}
+              value={createForm.features}
+              onChange={(event) =>
+                setCreateForm((prev) => ({ ...prev, features: event.target.value }))
+              }
+              placeholder="premium.analytics|Analytics avançadas|Painéis detalhados"
+            />
+          </div>
+
+          <Button
+            type="button"
+            onClick={handleCreateTier}
+            disabled={isLoading}
+            className="w-full md:w-auto"
+          >
+            Criar plano
+          </Button>
+        </CardContent>
+      </Card>
+
+      <Card>
+        <CardHeader>
+          <CardTitle>Planos cadastrados</CardTitle>
+        </CardHeader>
+        <CardContent className="space-y-6">
+          {orderedTiers.map((tier) => {
+            const formState = editForms[tier.subscription_tier_id] ?? mapTierToFormState(tier);
+
+            return (
+              <Card key={tier.subscription_tier_id} className="border-muted">
+                <CardHeader className="flex flex-row items-center justify-between gap-4">
+                  <div className="space-y-1">
+                    <CardTitle className="flex items-center gap-2 text-xl">
+                      {tier.name}
+                      <Badge variant="secondary">{tier.slug}</Badge>
+                      <Badge variant={tier.is_active ? "default" : "outline"} className="uppercase">
+                        {tier.is_active ? "Ativo" : "Inativo"}
+                      </Badge>
+                    </CardTitle>
+                    <p className="text-sm text-muted-foreground">
+                      Nível {tier.level} · ID #{tier.subscription_tier_id}
+                    </p>
+                  </div>
+                </CardHeader>
+                <CardContent className="space-y-4">
+                  <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
+                    <div className="space-y-2">
+                      <label className="text-sm font-medium">Nome</label>
+                      <Input
+                        value={formState.name}
+                        onChange={(event) =>
+                          setEditForms((prev) => ({
+                            ...prev,
+                            [tier.subscription_tier_id]: {
+                              ...prev[tier.subscription_tier_id],
+                              name: event.target.value,
+                            },
+                          }))
+                        }
+                      />
+                    </div>
+                    <div className="space-y-2">
+                      <label className="text-sm font-medium">Slug</label>
+                      <Input
+                        value={formState.slug}
+                        onChange={(event) =>
+                          setEditForms((prev) => ({
+                            ...prev,
+                            [tier.subscription_tier_id]: {
+                              ...prev[tier.subscription_tier_id],
+                              slug: event.target.value,
+                            },
+                          }))
+                        }
+                        disabled={tier.slug === "free"}
+                      />
+                    </div>
+                    <div className="space-y-2">
+                      <label className="text-sm font-medium">Nível</label>
+                      <Input
+                        type="number"
+                        min={0}
+                        value={formState.level}
+                        onChange={(event) =>
+                          setEditForms((prev) => ({
+                            ...prev,
+                            [tier.subscription_tier_id]: {
+                              ...prev[tier.subscription_tier_id],
+                              level: Number.parseInt(event.target.value || "0", 10),
+                            },
+                          }))
+                        }
+                      />
+                    </div>
+                    <div className="space-y-2">
+                      <label className="text-sm font-medium">Status</label>
+                      <Button
+                        variant={formState.isActive ? "default" : "outline"}
+                        type="button"
+                        onClick={() =>
+                          setEditForms((prev) => ({
+                            ...prev,
+                            [tier.subscription_tier_id]: {
+                              ...prev[tier.subscription_tier_id],
+                              isActive: !prev[tier.subscription_tier_id].isActive,
+                            },
+                          }))
+                        }
+                      >
+                        {formState.isActive ? "Ativo" : "Inativo"}
+                      </Button>
+                    </div>
+                  </div>
+
+                  <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
+                    <div className="space-y-2">
+                      <label className="text-sm font-medium">Preço mensal</label>
+                      <Input
+                        type="number"
+                        min={0}
+                        step="0.01"
+                        value={formState.priceMonthly}
+                        onChange={(event) =>
+                          setEditForms((prev) => ({
+                            ...prev,
+                            [tier.subscription_tier_id]: {
+                              ...prev[tier.subscription_tier_id],
+                              priceMonthly: event.target.value,
+                            },
+                          }))
+                        }
+                      />
+                    </div>
+                    <div className="space-y-2">
+                      <label className="text-sm font-medium">Preço anual</label>
+                      <Input
+                        type="number"
+                        min={0}
+                        step="0.01"
+                        value={formState.priceYearly}
+                        onChange={(event) =>
+                          setEditForms((prev) => ({
+                            ...prev,
+                            [tier.subscription_tier_id]: {
+                              ...prev[tier.subscription_tier_id],
+                              priceYearly: event.target.value,
+                            },
+                          }))
+                        }
+                      />
+                    </div>
+                  </div>
+
+                  <div className="space-y-2">
+                    <label className="text-sm font-medium">Descrição</label>
+                    <Textarea
+                      rows={3}
+                      value={formState.description}
+                      onChange={(event) =>
+                        setEditForms((prev) => ({
+                          ...prev,
+                          [tier.subscription_tier_id]: {
+                            ...prev[tier.subscription_tier_id],
+                            description: event.target.value,
+                          },
+                        }))
+                      }
+                    />
+                  </div>
+
+                  <div className="space-y-2">
+                    <label className="text-sm font-medium">
+                      Recursos (um por linha: featureKey|Label|Descrição)
+                    </label>
+                    <Textarea
+                      rows={4}
+                      value={formState.features}
+                      onChange={(event) =>
+                        setEditForms((prev) => ({
+                          ...prev,
+                          [tier.subscription_tier_id]: {
+                            ...prev[tier.subscription_tier_id],
+                            features: event.target.value,
+                          },
+                        }))
+                      }
+                    />
+                  </div>
+
+                  <div className="flex flex-wrap items-center gap-3">
+                    <Button
+                      type="button"
+                      onClick={() => handleUpdateTier(tier.subscription_tier_id)}
+                      disabled={isLoading}
+                    >
+                      Salvar alterações
+                    </Button>
+                    <Button
+                      type="button"
+                      variant="outline"
+                      onClick={() =>
+                        setEditForms((prev) => ({
+                          ...prev,
+                          [tier.subscription_tier_id]: mapTierToFormState(tier),
+                        }))
+                      }
+                      disabled={isLoading}
+                    >
+                      Descartar mudanças
+                    </Button>
+                    {tier.slug !== "free" && (
+                      <Button
+                        type="button"
+                        variant="destructive"
+                        onClick={() => handleDeleteTier(tier.subscription_tier_id, tier.slug)}
+                        disabled={isLoading}
+                      >
+                        Remover plano
+                      </Button>
+                    )}
+                  </div>
+                </CardContent>
+              </Card>
+            );
+          })}
+        </CardContent>
+      </Card>
+
+  <Card>
+        <CardHeader>
+          <CardTitle>Vincular plano a usuário</CardTitle>
+        </CardHeader>
+        <CardContent className="space-y-4">
+          <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <div className="space-y-2">
+              <label className="text-sm font-medium" htmlFor="assign-user-id">
+                ID do usuário
+              </label>
+              <Input
+                id="assign-user-id"
+                type="number"
+                min={1}
+                value={assignUserId}
+                onChange={(event) => setAssignUserId(event.target.value)}
+              />
+            </div>
+            <div className="space-y-2">
+              <label className="text-sm font-medium" htmlFor="assign-tier">
+                Plano de destino
+              </label>
+              <select
+                id="assign-tier"
+                className="w-full rounded-md border border-input bg-background px-3 py-2 text-sm"
+                value={assignTierId}
+                onChange={(event) => setAssignTierId(event.target.value)}
+              >
+                {orderedTiers.map((tier) => (
+                  <option key={tier.subscription_tier_id} value={tier.slug}>
+                    {tier.name} ({tier.slug})
+                  </option>
+                ))}
+              </select>
+            </div>
+          </div>
+          <Button type="button" onClick={handleAssignTier} disabled={isLoading}>
+            Atualizar plano do usuário
+          </Button>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}
+

components/notifications/NotificationBell.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useState, useEffect } from "react";
+import { useState, useEffect, useRef } from "react";
 import { Bell } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
@@ -33,10 +33,32 @@ export function NotificationBell({ userId, className }: NotificationBellProps) {
   const [notifications, setNotifications] = useState<Notification[]>([]);
   const [isOpen, setIsOpen] = useState(false);
   const [loading, setLoading] = useState(false);
+  const rawUnreadRef = useRef(0);
+  const baselineUnreadRef = useRef(0);
+  const baselineLoadedRef = useRef(false);
+  const storageKeyRef = useRef<string | null>(null);
 
   const effectiveUserId = userId || user?.userId;
 
   // Buscar contagem de não lidas
+  const persistBaseline = (value: number) => {
+    baselineUnreadRef.current = value;
+    if (typeof window !== "undefined" && storageKeyRef.current) {
+      window.localStorage.setItem(storageKeyRef.current, String(value));
+    }
+  };
+
+  const loadBaselineFromStorage = () => {
+    if (typeof window === "undefined" || !storageKeyRef.current) {
+      return undefined;
+    }
+    const stored = window.localStorage.getItem(storageKeyRef.current);
+    if (!stored) return undefined;
+    const parsed = Number.parseInt(stored, 10);
+    if (Number.isNaN(parsed)) return undefined;
+    return parsed;
+  };
+
   const fetchUnreadCount = async () => {
     if (!effectiveUserId) return;
 
@@ -45,7 +67,20 @@ export function NotificationBell({ userId, className }: NotificationBellProps) {
       if (res.ok) {
         const data = await res.json();
         if (data.success) {
-          setUnreadCount(data.count);
+          rawUnreadRef.current = data.count;
+          if (!baselineLoadedRef.current) {
+            const storedBaseline = loadBaselineFromStorage();
+            if (storedBaseline !== undefined) {
+              const normalized = Math.min(storedBaseline, data.count);
+              persistBaseline(normalized);
+            } else {
+              persistBaseline(data.count);
+            }
+            baselineLoadedRef.current = true;
+          } else if (data.count < baselineUnreadRef.current) {
+            persistBaseline(data.count);
+          }
+          setUnreadCount(Math.max(0, data.count - baselineUnreadRef.current));
         }
       }
     } catch (error) {
@@ -74,6 +109,21 @@ export function NotificationBell({ userId, className }: NotificationBellProps) {
   };
 
   // Polling automático a cada 30 segundos
+  useEffect(() => {
+    if (!effectiveUserId) {
+      return;
+    }
+    storageKeyRef.current = `notifications:lastBaseline:${effectiveUserId}`;
+    const storedBaseline = loadBaselineFromStorage();
+    if (storedBaseline !== undefined) {
+      baselineUnreadRef.current = storedBaseline;
+      baselineLoadedRef.current = true;
+    } else {
+      baselineUnreadRef.current = 0;
+      baselineLoadedRef.current = false;
+    }
+  }, [effectiveUserId]);
+
   useEffect(() => {
     if (!effectiveUserId) return;
 
@@ -94,6 +144,8 @@ export function NotificationBell({ userId, className }: NotificationBellProps) {
   useEffect(() => {
     if (isOpen) {
       fetchNotifications();
+      persistBaseline(rawUnreadRef.current);
+      setUnreadCount(0);
     }
   }, [isOpen]);
 
@@ -111,6 +163,12 @@ export function NotificationBell({ userId, className }: NotificationBellProps) {
           )
         );
         // Atualizar contagem
+        rawUnreadRef.current = Math.max(0, rawUnreadRef.current - 1);
+        const newBaseline = Math.min(
+          baselineUnreadRef.current,
+          rawUnreadRef.current
+        );
+        persistBaseline(newBaseline);
         setUnreadCount((prev) => Math.max(0, prev - 1));
       }
     } catch (error) {

lib/auth/jwt.ts

@@ -9,6 +9,8 @@ interface TokenPayload {
   userId: number;
   username: string;
   type: "access" | "refresh";
+  tierSlug?: string;
+  tierLevel?: number;
 }
 
 /**
@@ -45,14 +47,22 @@ const REFRESH_TOKEN_EXPIRY = "7d"; // 7 dias
  * @param username - Nome de usuário
  * @returns Access token
  */
+interface TokenOptions {
+  tierSlug?: string | null;
+  tierLevel?: number | null;
+}
+
 export function generateAccessToken(
   userId: number,
-  username: string
+  username: string,
+  options?: TokenOptions
 ): string {
   const payload: TokenPayload = {
     userId,
     username,
     type: "access",
+    tierSlug: options?.tierSlug ?? undefined,
+    tierLevel: options?.tierLevel ?? undefined,
   };
 
   return jwt.sign(payload, getJWTSecret(), {
@@ -68,12 +78,15 @@ export function generateAccessToken(
  */
 export function generateRefreshToken(
   userId: number,
-  username: string
+  username: string,
+  options?: TokenOptions
 ): string {
   const payload: TokenPayload = {
     userId,
     username,
     type: "refresh",
+    tierSlug: options?.tierSlug ?? undefined,
+    tierLevel: options?.tierLevel ?? undefined,
   };
 
   return jwt.sign(payload, getJWTRefreshSecret(), {
@@ -89,6 +102,8 @@ export function generateRefreshToken(
 export function verifyAccessToken(token: string): {
   userId: number;
   username: string;
+  tierSlug?: string;
+  tierLevel?: number;
 } | null {
   try {
     const decoded = jwt.verify(token, getJWTSecret()) as TokenPayload;
@@ -100,6 +115,8 @@ export function verifyAccessToken(token: string): {
     return {
       userId: decoded.userId,
       username: decoded.username,
+      tierSlug: decoded.tierSlug,
+      tierLevel: decoded.tierLevel,
     };
   } catch (error) {
     return null;
@@ -114,6 +131,8 @@ export function verifyAccessToken(token: string): {
 export function verifyRefreshToken(token: string): {
   userId: number;
   username: string;
+  tierSlug?: string;
+  tierLevel?: number;
 } | null {
   try {
     const decoded = jwt.verify(token, getJWTRefreshSecret()) as TokenPayload;
@@ -125,6 +144,8 @@ export function verifyRefreshToken(token: string): {
     return {
       userId: decoded.userId,
       username: decoded.username,
+      tierSlug: decoded.tierSlug,
+      tierLevel: decoded.tierLevel,
     };
   } catch (error) {
     return null;

lib/auth/middleware.ts

@@ -8,6 +8,13 @@ import { cookies } from "next/headers";
 import { verifyAccessToken } from "./jwt";
 import { getSession } from "@/lib/redis/session";
 
+export interface AuthenticatedUser {
+  userId: number;
+  username: string;
+  tierSlug?: string;
+  tierLevel?: number;
+}
+
 /**
  * Extrai token do header Authorization
  * @param request - Request do Next.js
@@ -24,18 +31,23 @@ function extractToken(request: NextRequest): string | null {
 }
 
 /**
- * Middleware que requer autenticação
- * Retorna dados do usuário ou NextResponse com erro
- * Suporta tanto Bearer token quanto cookie sessionId
- * @param request - Request do Next.js
- * @returns Dados do usuário autenticado ou NextResponse com erro
- */
+function toAuthenticatedUser(payload: {
+  userId: number;
+  username: string;
+  tierSlug?: string;
+  tierLevel?: number;
+}): AuthenticatedUser {
+  return {
+    userId: payload.userId,
+    username: payload.username,
+    tierSlug: payload.tierSlug,
+    tierLevel: payload.tierLevel,
+  };
+}
+
 export async function requireAuth(
   request: NextRequest
-): Promise<
-  | { userId: number; username: string }
-  | NextResponse<{ success: false; error: string }>
-> {
+): Promise<AuthenticatedUser | NextResponse<{ success: false; error: string }>> {
   // Tentar primeiro com Bearer token
   const token = extractToken(request);
 
@@ -43,7 +55,7 @@ export async function requireAuth(
     const payload = verifyAccessToken(token);
 
     if (payload) {
-      return payload;
+      return toAuthenticatedUser(payload);
     }
   }
 
@@ -59,7 +71,7 @@ export async function requireAuth(
         const tokenPayload = verifyAccessToken(session.accessToken);
 
         if (tokenPayload) {
-          return tokenPayload;
+          return toAuthenticatedUser(tokenPayload);
         }
       }
     }
@@ -85,14 +97,14 @@ export async function requireAuth(
  */
 export async function optionalAuth(
   request: NextRequest
-): Promise<{ userId: number; username: string } | null> {
+): Promise<AuthenticatedUser | null> {
   // Tentar primeiro com Bearer token
   const token = extractToken(request);
 
   if (token) {
     const payload = verifyAccessToken(token);
     if (payload) {
-      return payload;
+      return toAuthenticatedUser(payload);
     }
   }
 
@@ -106,7 +118,9 @@ export async function optionalAuth(
 
       if (session) {
         const tokenPayload = verifyAccessToken(session.accessToken);
-        return tokenPayload;
+        if (tokenPayload) {
+          return toAuthenticatedUser(tokenPayload);
+        }
       }
     }
   } catch (error) {
@@ -115,3 +129,50 @@ export async function optionalAuth(
 
   return null;
 }
+
+export async function requireAdminUser(
+  request: NextRequest
+): Promise<AuthenticatedUser | NextResponse<{ success: false; error: string }>> {
+  const auth = await requireAuth(request);
+
+  if (auth instanceof NextResponse) {
+    return auth;
+  }
+
+  if (auth.userId !== 1) {
+    return NextResponse.json(
+      {
+        success: false,
+        error: "Acesso restrito ao administrador.",
+      },
+      { status: 403 }
+    );
+  }
+
+  return auth;
+}
+
+export async function requireTierLevel(
+  request: NextRequest,
+  minimumLevel: number
+): Promise<AuthenticatedUser | NextResponse<{ success: false; error: string }>> {
+  const auth = await requireAuth(request);
+
+  if (auth instanceof NextResponse) {
+    return auth;
+  }
+
+  const tierLevel = auth.tierLevel ?? 0;
+
+  if (tierLevel < minimumLevel) {
+    return NextResponse.json(
+      {
+        success: false,
+        error: "Plano atual não possui acesso a este recurso.",
+      },
+      { status: 403 }
+    );
+  }
+
+  return auth;
+}

lib/db/migrations/019_subscription_tiers.sql

@@ -0,0 +1,93 @@
+-- Migration 019: Subscription tiers e permissões iniciais
+-- Criado em: 2025-02-07
+
+CREATE TABLE IF NOT EXISTS subscription_tiers (
+  subscription_tier_id SERIAL PRIMARY KEY,
+  name VARCHAR(100) NOT NULL,
+  slug VARCHAR(50) NOT NULL UNIQUE,
+  description TEXT,
+  level INTEGER NOT NULL DEFAULT 0,
+  price_monthly NUMERIC(10, 2),
+  price_yearly NUMERIC(10, 2),
+  is_active BOOLEAN NOT NULL DEFAULT TRUE,
+  created_at TIMESTAMP WITHOUT TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP WITHOUT TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_subscription_tiers_slug ON subscription_tiers(slug);
+CREATE INDEX IF NOT EXISTS idx_subscription_tiers_level ON subscription_tiers(level);
+
+CREATE TABLE IF NOT EXISTS subscription_tier_features (
+  feature_id SERIAL PRIMARY KEY,
+  subscription_tier_id INTEGER NOT NULL REFERENCES subscription_tiers(subscription_tier_id) ON DELETE CASCADE,
+  feature_key VARCHAR(100) NOT NULL,
+  label VARCHAR(255) NOT NULL,
+  description TEXT,
+  sort_order INTEGER NOT NULL DEFAULT 0,
+  created_at TIMESTAMP WITHOUT TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP WITHOUT TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+  CONSTRAINT subscription_tier_features_unique UNIQUE (subscription_tier_id, feature_key)
+);
+
+CREATE INDEX IF NOT EXISTS subscription_tier_features_sort_idx ON subscription_tier_features(subscription_tier_id, sort_order);
+
+ALTER TABLE users
+  ADD COLUMN IF NOT EXISTS subscription_tier_id INTEGER;
+
+ALTER TABLE users
+  ADD CONSTRAINT users_subscription_tier_id_fkey
+  FOREIGN KEY (subscription_tier_id)
+  REFERENCES subscription_tiers(subscription_tier_id)
+  ON DELETE SET NULL;
+
+CREATE INDEX IF NOT EXISTS idx_users_subscription_tier_id ON users(subscription_tier_id);
+
+INSERT INTO subscription_tiers (name, slug, description, level, price_monthly, price_yearly, is_active)
+VALUES
+  ('Free', 'free', 'Plano gratuito com recursos essenciais.', 0, 0, 0, TRUE),
+  ('Pro', 'pro', 'Plano profissional com recursos avançados.', 1, 29.90, 299.00, TRUE),
+  ('Ultra', 'ultra', 'Plano completo com todos os recursos e benefícios.', 2, 59.90, 599.00, TRUE)
+ON CONFLICT (slug) DO UPDATE
+SET
+  name = EXCLUDED.name,
+  description = EXCLUDED.description,
+  level = EXCLUDED.level,
+  price_monthly = EXCLUDED.price_monthly,
+  price_yearly = EXCLUDED.price_yearly,
+  is_active = EXCLUDED.is_active,
+  updated_at = CURRENT_TIMESTAMP;
+
+WITH free_tier AS (
+  SELECT subscription_tier_id
+  FROM subscription_tiers
+  WHERE slug = 'free'
+  LIMIT 1
+)
+UPDATE users
+SET subscription_tier_id = free_tier.subscription_tier_id
+FROM free_tier
+WHERE users.subscription_tier_id IS NULL;
+
+INSERT INTO subscription_tier_features (subscription_tier_id, feature_key, label, description, sort_order)
+SELECT tier.subscription_tier_id,
+       feat.feature_key,
+       feat.label,
+       feat.description,
+       feat.sort_order
+FROM (
+  VALUES
+    ('free', 'core.marketplace', 'Acesso ao marketplace', 'Publicar e negociar itens com segurança.', 0),
+    ('free', 'core.notifications', 'Notificações básicas', 'Alertas essenciais sobre atividades da conta.', 1),
+    ('pro', 'advanced.analytics', 'Analytics detalhadas', 'Painéis avançados com métricas de performance.', 0),
+    ('pro', 'advanced.priority-support', 'Suporte prioritário', 'Canal exclusivo de atendimento mais rápido.', 1),
+    ('ultra', 'premium.whitelabel', 'Whitelabel & branding', 'Personalização completa da experiência.', 0),
+    ('ultra', 'premium.integrations', 'Integrações premium', 'Acesso antecipado a integrações e APIs.', 1)
+) AS feat(slug, feature_key, label, description, sort_order)
+JOIN subscription_tiers AS tier ON tier.slug = feat.slug
+ON CONFLICT (subscription_tier_id, feature_key) DO UPDATE
+SET
+  label = EXCLUDED.label,
+  description = EXCLUDED.description,
+  sort_order = EXCLUDED.sort_order,
+  updated_at = CURRENT_TIMESTAMP;
+

lib/db/migrations/run-migrations.ts

@@ -38,6 +38,7 @@ const MIGRATIONS = [
   "016_create_unified_items_table.sql",
   "017_add_items_foreign_key.sql",
   "018_migrate_listings_to_unified_items.sql",
+  "019_subscription_tiers.sql",
 ];
 
 async function runMigrations() {

lib/hooks/use-session-query.ts

@@ -7,6 +7,12 @@ export interface SessionUser {
   username: string;
   email: string;
   characterName: string | null;
+  subscriptionTier: {
+    id: number | null;
+    name: string | null;
+    slug: string | null;
+    level: number | null;
+  } | null;
 }
 
 interface SessionResponse {

lib/prisma/queries/subscription-tiers.ts

@@ -0,0 +1,298 @@
+/**
+ * Queries para gerenciamento de subscription tiers
+ */
+
+import { Prisma } from "@prisma/client";
+import { prisma } from "../app";
+
+export interface SubscriptionTierSummary {
+  subscription_tier_id: number;
+  name: string;
+  slug: string;
+  description: string | null;
+  level: number;
+  price_monthly: Prisma.Decimal | null;
+  price_yearly: Prisma.Decimal | null;
+  is_active: boolean;
+  created_at: Date;
+  updated_at: Date;
+  features?: Array<{
+    feature_id: number;
+    feature_key: string;
+    label: string;
+    description: string | null;
+    sort_order: number;
+  }>;
+}
+
+export interface CreateSubscriptionTierInput {
+  name: string;
+  slug: string;
+  description?: string | null;
+  level?: number;
+  price_monthly?: number | null;
+  price_yearly?: number | null;
+  is_active?: boolean;
+  features?: Array<{
+    feature_key: string;
+    label: string;
+    description?: string | null;
+    sort_order?: number;
+  }>;
+}
+
+export interface UpdateSubscriptionTierInput {
+  name?: string;
+  slug?: string;
+  description?: string | null;
+  level?: number;
+  price_monthly?: number | null;
+  price_yearly?: number | null;
+  is_active?: boolean;
+  features?: Array<{
+    feature_id?: number;
+    feature_key: string;
+    label: string;
+    description?: string | null;
+    sort_order?: number;
+    _delete?: boolean;
+  }>;
+}
+
+const tierSelect = {
+  subscription_tier_id: true,
+  name: true,
+  slug: true,
+  description: true,
+  level: true,
+  price_monthly: true,
+  price_yearly: true,
+  is_active: true,
+  created_at: true,
+  updated_at: true,
+};
+
+const featureSelect = {
+  feature_id: true,
+  feature_key: true,
+  label: true,
+  description: true,
+  sort_order: true,
+};
+
+export async function getAllSubscriptionTiers(
+  includeFeatures = false
+): Promise<SubscriptionTierSummary[]> {
+  const tiers = await prisma.subscriptionTier.findMany({
+    select: {
+      ...tierSelect,
+      features: includeFeatures
+        ? {
+            select: featureSelect,
+            orderBy: { sort_order: "asc" },
+          }
+        : false,
+    },
+    orderBy: [
+      { level: "asc" },
+      { subscription_tier_id: "asc" },
+    ],
+  });
+
+  return tiers as SubscriptionTierSummary[];
+}
+
+export async function getSubscriptionTierBySlug(
+  slug: string,
+  includeFeatures = false
+): Promise<SubscriptionTierSummary | null> {
+  const tier = await prisma.subscriptionTier.findUnique({
+    where: { slug },
+    select: {
+      ...tierSelect,
+      features: includeFeatures
+        ? {
+            select: featureSelect,
+            orderBy: { sort_order: "asc" },
+          }
+        : false,
+    },
+  });
+
+  return tier as SubscriptionTierSummary | null;
+}
+
+export async function getSubscriptionTierById(
+  tierId: number,
+  includeFeatures = false
+): Promise<SubscriptionTierSummary | null> {
+  const tier = await prisma.subscriptionTier.findUnique({
+    where: { subscription_tier_id: tierId },
+    select: {
+      ...tierSelect,
+      features: includeFeatures
+        ? {
+            select: featureSelect,
+            orderBy: { sort_order: "asc" },
+          }
+        : false,
+    },
+  });
+
+  return tier as SubscriptionTierSummary | null;
+}
+
+export async function getDefaultSubscriptionTier(): Promise<SubscriptionTierSummary | null> {
+  const tier = await prisma.subscriptionTier.findFirst({
+    where: { slug: "free" },
+    select: tierSelect,
+  });
+
+  return tier as SubscriptionTierSummary | null;
+}
+
+export async function createSubscriptionTier(
+  input: CreateSubscriptionTierInput
+): Promise<SubscriptionTierSummary> {
+  const tier = await prisma.subscriptionTier.create({
+    data: {
+      name: input.name,
+      slug: input.slug,
+      description: input.description ?? null,
+      level: input.level ?? 0,
+      price_monthly:
+        input.price_monthly !== undefined && input.price_monthly !== null
+          ? new Prisma.Decimal(input.price_monthly)
+          : null,
+      price_yearly:
+        input.price_yearly !== undefined && input.price_yearly !== null
+          ? new Prisma.Decimal(input.price_yearly)
+          : null,
+      is_active: input.is_active ?? true,
+      features: input.features
+        ? {
+            create: input.features.map((feature, index) => ({
+              feature_key: feature.feature_key,
+              label: feature.label,
+              description: feature.description ?? null,
+              sort_order: feature.sort_order ?? index,
+            })),
+          }
+        : undefined,
+    },
+    select: {
+      ...tierSelect,
+      features: {
+        select: featureSelect,
+        orderBy: { sort_order: "asc" },
+      },
+    },
+  });
+
+  return tier as SubscriptionTierSummary;
+}
+
+export async function updateSubscriptionTier(
+  tierId: number,
+  input: UpdateSubscriptionTierInput
+): Promise<SubscriptionTierSummary> {
+  const tier = await prisma.subscriptionTier.update({
+    where: { subscription_tier_id: tierId },
+    data: {
+      name: input.name ?? undefined,
+      slug: input.slug ?? undefined,
+      description:
+        input.description !== undefined ? input.description : undefined,
+      level: input.level ?? undefined,
+      price_monthly:
+        input.price_monthly !== undefined
+          ? input.price_monthly === null
+            ? null
+            : new Prisma.Decimal(input.price_monthly)
+          : undefined,
+      price_yearly:
+        input.price_yearly !== undefined
+          ? input.price_yearly === null
+            ? null
+            : new Prisma.Decimal(input.price_yearly)
+          : undefined,
+      is_active: input.is_active ?? undefined,
+    },
+    select: {
+      ...tierSelect,
+      features: {
+        select: featureSelect,
+        orderBy: { sort_order: "asc" },
+      },
+    },
+  });
+
+  if (input.features) {
+    await prisma.subscriptionTierFeature.deleteMany({
+      where: { subscription_tier_id: tierId },
+    });
+
+    if (input.features.length > 0) {
+      await prisma.subscriptionTierFeature.createMany({
+        data: input.features
+          .filter((feature) => !feature._delete)
+          .map((feature, index) => ({
+            subscription_tier_id: tierId,
+            feature_key: feature.feature_key,
+            label: feature.label,
+            description: feature.description ?? null,
+            sort_order: feature.sort_order ?? index,
+          })),
+      });
+    }
+  }
+
+  const updatedTier = await prisma.subscriptionTier.findUnique({
+    where: { subscription_tier_id: tierId },
+    select: {
+      ...tierSelect,
+      features: {
+        select: featureSelect,
+        orderBy: { sort_order: "asc" },
+      },
+    },
+  });
+
+  return updatedTier as SubscriptionTierSummary;
+}
+
+export async function deleteSubscriptionTier(tierId: number): Promise<void> {
+  await prisma.subscriptionTier.delete({
+    where: { subscription_tier_id: tierId },
+  });
+}
+
+export async function assignUserToSubscriptionTier(
+  userId: number,
+  tierId: number | null
+): Promise<void> {
+  await prisma.user.update({
+    where: { user_id: userId },
+    data:
+      tierId === null
+        ? {
+            subscription_tier: {
+              disconnect: true,
+            },
+          }
+        : {
+            subscription_tier: {
+              connect: {
+                subscription_tier_id: tierId,
+              },
+            },
+          },
+  });
+}
+
+export async function countUsersInSubscriptionTier(tierId: number): Promise<number> {
+  return prisma.user.count({
+    where: { subscription_tier_id: tierId },
+  });
+}
+

lib/prisma/queries/users.ts

@@ -4,6 +4,7 @@
  */
 
 import { prisma } from "../app";
+import { getDefaultSubscriptionTier } from "./subscription-tiers";
 import type { User } from "@prisma/client";
 
 export interface CreateUserData {
@@ -21,6 +22,7 @@ export interface UpdateUserData {
   last_name?: string;
   phone?: string;
   whatsapp_notifications?: boolean;
+  subscription_tier_id?: number | null;
 }
 
 /**
@@ -29,6 +31,7 @@ export interface UpdateUserData {
 export async function createUser(
   data: CreateUserData
 ): Promise<{ userId: number; username: string; email: string }> {
+  const defaultTier = await getDefaultSubscriptionTier();
   const user = await prisma.user.create({
     data: {
       username: data.username,
@@ -38,6 +41,7 @@ export async function createUser(
       last_name: data.last_name,
       phone: data.phone || null,
       cpf: data.cpf || null,
+      subscription_tier_id: defaultTier?.subscription_tier_id ?? undefined,
     },
     select: {
       user_id: true,
@@ -56,10 +60,29 @@ export async function createUser(
 /**
  * Busca usuário por email (inclui password_hash para login)
  */
-export async function getUserByEmail(email: string): Promise<User | null> {
-  return await prisma.user.findUnique({
+type UserWithTier = User & {
+  subscription_tier?: {
+    subscription_tier_id: number;
+    name: string;
+    slug: string;
+    level: number;
+  } | null;
+};
+
+export async function getUserByEmail(email: string): Promise<UserWithTier | null> {
+  return (await prisma.user.findUnique({
     where: { email },
-  });
+    include: {
+      subscription_tier: {
+        select: {
+          subscription_tier_id: true,
+          name: true,
+          slug: true,
+          level: true,
+        },
+      },
+    },
+  })) as UserWithTier | null;
 }
 
 /**
@@ -67,10 +90,20 @@ export async function getUserByEmail(email: string): Promise<User | null> {
  */
 export async function getUserByUsername(
   username: string
-): Promise<User | null> {
-  return await prisma.user.findUnique({
+): Promise<UserWithTier | null> {
+  return (await prisma.user.findUnique({
     where: { username },
-  });
+    include: {
+      subscription_tier: {
+        select: {
+          subscription_tier_id: true,
+          name: true,
+          slug: true,
+          level: true,
+        },
+      },
+    },
+  })) as UserWithTier | null;
 }
 
 /**
@@ -92,6 +125,12 @@ type PublicUser = {
   last_login: Date | null;
   is_active: boolean;
   is_verified: boolean;
+  subscription_tier?: {
+    subscription_tier_id: number;
+    name: string;
+    slug: string;
+    level: number;
+  } | null;
 };
 
 export async function getUserById(userId: number): Promise<PublicUser | null> {
@@ -113,6 +152,14 @@ export async function getUserById(userId: number): Promise<PublicUser | null> {
       last_login: true,
       is_active: true,
       is_verified: true,
+      subscription_tier: {
+        select: {
+          subscription_tier_id: true,
+          name: true,
+          slug: true,
+          level: true,
+        },
+      },
     },
   }) as PublicUser | null;
 }
@@ -144,6 +191,15 @@ export async function updateUser(
   if (data.phone !== undefined) updateData.phone = data.phone || null;
   if (data.whatsapp_notifications !== undefined)
     updateData.whatsapp_notifications = data.whatsapp_notifications;
+  if (data.subscription_tier_id !== undefined) {
+    if (data.subscription_tier_id === null) {
+      updateData.subscription_tier = { disconnect: true };
+    } else {
+      updateData.subscription_tier = {
+        connect: { subscription_tier_id: data.subscription_tier_id },
+      };
+    }
+  }
 
   const user = await prisma.user.update({
     where: { user_id: userId },
@@ -164,6 +220,14 @@ export async function updateUser(
       last_login: true,
       is_active: true,
       is_verified: true,
+      subscription_tier: {
+        select: {
+          subscription_tier_id: true,
+          name: true,
+          slug: true,
+          level: true,
+        },
+      },
     },
   });
 

lib/redis/session.ts

@@ -9,21 +9,29 @@ const SESSION_PREFIX = "session:";
 const USER_SESSION_PREFIX = "user_session:";
 const SESSION_TTL = 60 * 60 * 24 * 7; // 7 dias (mesmo que refresh token)
 
+export interface SessionTierInfo {
+  subscriptionTierId: number | null;
+  subscriptionTierSlug: string | null;
+  subscriptionTierName: string | null;
+  subscriptionTierLevel: number | null;
+}
+
 export interface SessionData {
   userId: number;
   username: string;
   email: string;
   accessToken: string;
   createdAt: number;
+  subscriptionTierId: number | null;
+  subscriptionTierSlug: string | null;
+  subscriptionTierName: string | null;
+  subscriptionTierLevel: number | null;
 }
 
 /**
  * Cria ou atualiza uma sessão
  */
-export async function setSession(
-  sessionId: string,
-  data: SessionData
-): Promise<void> {
+export async function setSession(sessionId: string, data: SessionData): Promise<void> {
   try {
     const client = getRedisClient();
     if (!client.isOpen) {
@@ -46,9 +54,7 @@ export async function setSession(
 /**
  * Obtém dados de uma sessão
  */
-export async function getSession(
-  sessionId: string
-): Promise<SessionData | null> {
+export async function getSession(sessionId: string): Promise<SessionData | null> {
   try {
     const client = getRedisClient();
     if (!client.isOpen) {

lib/validation-schemas.ts

@@ -199,6 +199,118 @@ export const registerServerCharacterSchema = z.object({
   isMain: z.boolean().optional().default(false),
 });
 
+// ============================================
+// SCHEMAS DE ASSINATURAS E PERMISSÕES
+// ============================================
+
+const tierSlugRegex = /^[a-z0-9-]+$/;
+const featureKeyRegex = /^[a-z0-9_.-]+$/;
+
+const subscriptionTierFeatureSchema = z.object({
+  featureKey: z
+    .string()
+    .min(2, "featureKey deve ter no mínimo 2 caracteres")
+    .max(100, "featureKey deve ter no máximo 100 caracteres")
+    .regex(featureKeyRegex, "featureKey deve conter apenas letras, números, ponto, hífen ou underscore")
+    .transform((key) => key.trim().toLowerCase()),
+  label: z
+    .string()
+    .min(3, "Label deve ter no mínimo 3 caracteres")
+    .max(255, "Label deve ter no máximo 255 caracteres")
+    .transform((value) => value.trim()),
+  description: z
+    .string()
+    .max(500, "Descrição deve ter no máximo 500 caracteres")
+    .transform((value) => value.trim())
+    .optional()
+    .nullable(),
+  sortOrder: z.number().int().min(0).max(1000).optional(),
+});
+
+export const createSubscriptionTierSchema = z
+  .object({
+    name: z
+      .string()
+      .min(3, "Nome deve ter no mínimo 3 caracteres")
+      .max(100, "Nome deve ter no máximo 100 caracteres")
+      .transform((value) => value.trim()),
+    slug: z
+      .string()
+      .min(2, "Slug deve ter no mínimo 2 caracteres")
+      .max(50, "Slug deve ter no máximo 50 caracteres")
+      .regex(tierSlugRegex, "Slug deve conter apenas letras minúsculas, números e hífen")
+      .transform((value) => value.trim().toLowerCase()),
+    description: z
+      .string()
+      .max(500, "Descrição deve ter no máximo 500 caracteres")
+      .transform((value) => value.trim())
+      .optional()
+      .nullable(),
+    level: z.number().int().min(0).max(99).optional(),
+    priceMonthly: z.number().min(0).max(100000).nullable().optional(),
+    priceYearly: z.number().min(0).max(1000000).nullable().optional(),
+    isActive: z.boolean().optional(),
+    features: z.array(subscriptionTierFeatureSchema).max(50).optional(),
+  })
+  .refine(
+    (data) => {
+      if (
+        data.priceMonthly !== undefined &&
+        data.priceYearly !== undefined &&
+        data.priceYearly !== null &&
+        data.priceMonthly !== null
+      ) {
+        return data.priceYearly >= data.priceMonthly;
+      }
+      return true;
+    },
+    {
+      message: "Preço anual deve ser maior ou igual ao mensal",
+      path: ["priceYearly"],
+    }
+  );
+
+export const updateSubscriptionTierSchema = createSubscriptionTierSchema
+  .partial()
+  .extend({
+    slug: z
+      .string()
+      .min(2, "Slug deve ter no mínimo 2 caracteres")
+      .max(50, "Slug deve ter no máximo 50 caracteres")
+      .regex(tierSlugRegex, "Slug deve conter apenas letras minúsculas, números e hífen")
+      .transform((value) => value.trim().toLowerCase())
+      .optional(),
+    features: z
+      .array(
+        subscriptionTierFeatureSchema.extend({
+          featureId: z.number().int().positive().optional(),
+          _delete: z.boolean().optional(),
+        })
+      )
+      .max(50)
+      .optional(),
+  });
+
+export const assignSubscriptionTierSchema = z
+  .object({
+    userId: z.number().int().positive(),
+    tierId: z.number().int().positive().nullable().optional(),
+    tierSlug: z
+      .string()
+      .min(2, "Slug deve ter no mínimo 2 caracteres")
+      .max(50, "Slug deve ter no máximo 50 caracteres")
+      .regex(tierSlugRegex, "Slug deve conter apenas letras minúsculas, números e hífen")
+      .transform((value) => value.trim().toLowerCase())
+      .optional(),
+  })
+  .refine(
+    (data) => data.tierId !== undefined || data.tierSlug !== undefined,
+    {
+      message: "Informe tierId ou tierSlug",
+      path: ["tierId"],
+    }
+  );
+
 // Schema para registro de usuário
 export const registerSchema = z.object({
   username: usernameSchema,

prisma/schema.prisma

@@ -7,6 +7,41 @@ datasource db {
   url      = env("DATABASE_URL_APP")
 }
 
+model SubscriptionTier {
+  subscription_tier_id Int                         @id @default(autoincrement())
+  name                 String                      @db.VarChar(100)
+  slug                 String                      @unique @db.VarChar(50)
+  description          String?                     @db.Text
+  level                Int                         @default(0)
+  price_monthly        Decimal?                    @db.Decimal(10, 2)
+  price_yearly         Decimal?                    @db.Decimal(10, 2)
+  is_active            Boolean                     @default(true)
+  created_at           DateTime                    @default(now())
+  updated_at           DateTime                    @default(now()) @updatedAt
+  users                User[]
+  features             SubscriptionTierFeature[]
+
+  @@index([slug])
+  @@index([level])
+  @@map("subscription_tiers")
+}
+
+model SubscriptionTierFeature {
+  feature_id           Int               @id @default(autoincrement())
+  subscription_tier_id Int
+  feature_key          String            @db.VarChar(100)
+  label                String            @db.VarChar(255)
+  description          String?           @db.Text
+  sort_order           Int               @default(0)
+  created_at           DateTime          @default(now())
+  updated_at           DateTime          @default(now()) @updatedAt
+  tier                 SubscriptionTier  @relation(fields: [subscription_tier_id], references: [subscription_tier_id], onDelete: Cascade)
+
+  @@unique([subscription_tier_id, feature_key], map: "subscription_tier_features_unique")
+  @@index([subscription_tier_id, sort_order], map: "subscription_tier_features_sort_idx")
+  @@map("subscription_tier_features")
+}
+
 model User {
   user_id               Int      @id @default(autoincrement())
   username              String   @unique @db.VarChar(50)
@@ -35,10 +70,13 @@ model User {
   favorites             UserFavorite[]
   telemetry_events      TelemetryEvent[]
   purchaseIntentions    PurchaseIntention[] @relation("BuyerIntentions")
+  subscription_tier_id  Int?
+  subscription_tier     SubscriptionTier? @relation(fields: [subscription_tier_id], references: [subscription_tier_id], onDelete: SetNull)
 
   @@index([email])
   @@index([username])
   @@index([cpf])
+  @@index([subscription_tier_id])
   @@map("users")
 }