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/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,
       },