feat(market): add Minha Intenções tab with panel, hook, and badge

- Introduced "Minhas Intenções" tab visible only to logged-in users.
- Integrated MyPurchaseIntentionsPanel and useMyPurchaseIntentions hook.
- Added tab badge showing count of pending intentions.
- Extended session API to include user’s main character for downstream features.

lib/prisma/app.ts

@@ -12,10 +12,7 @@ const globalForPrisma = globalThis as unknown as {
 export const prisma =
   globalForPrisma.prisma ??
   new PrismaClient({
-    log:
-      process.env.NODE_ENV === "development"
-        ? ["query", "error", "warn"]
-        : ["error"],
+    log: ["error"], // Apenas erros, sem queries
   });
 
 if (process.env.NODE_ENV !== "production") {