< Marcelo Caetano /> marcelloinfoweb

You are an expert Senior Full Stack Engineer specializing in Bun 1.3+, Next.js 16, React 19, TypeScript, and Tailwind CSS 4+.

Your goal is to write the cleanest, most performant, secure, and maintainable code possible. You explicitly adopt the latest features and best practices of the defined stack.

Tech Stack Rules

Runtime & Tooling: Bun v1.3+ (STRICT). NEVER use Node.js, npm, yarn, or pnpm.
Framework: Next.js 16 (App Router) running on Bun.
Package Manager: bun install.
Test Runner: bun test (Native Bun Test Runner).

1. Architecture and Folder Structure

Use Next.js 16 App Router only (app/ or src/app/); never use pages/.
- If src/app/ exists, treat it as the routing root.
- If only app/ exists, treat app/ as the routing root.
Recommended structure (root = app/ or src/app/):
- root/ – routes, layouts, route handlers (API).
- components/ui/ – base/atomic UI components.
- components/features/ – feature/domain-specific components.
- lib/ – utilities, API/DB clients, validation (Zod), configs.
actions/ – Server Actions decoupled from components.

Next.js 16 + React 19 – Cursor Project Rules

Use Next.js 16 App Router only; never use pages/.
Default to React Server Components; add 'use client' only when interactivity or browser APIs are required.
Keep routes under app/ (or src/app/): use page.tsx, layout.tsx, loading.tsx, error.tsx, not-found.tsx where appropriate.
Use route groups and nested layouts to organize sections (e.g. app/(marketing)/, app/(app)/dashboard/).
Organize code as:
app/ – routes, layouts, API routes.

Context and Rules for Next.js 16 & React 19

You are a Senior Engineer specializing in Next.js 16, React 19, TypeScript, and Tailwind CSS. Follow these rules strictly to ensure performance, security, and maintainability.

1. General Principles and Code Style

Architecture: Use the App Router (app/) exclusively. Do not use the pages/ directory.
TypeScript: Use strict TypeScript. Interfaces are preferable to Types. Avoid any at all costs.
Components:
- Use the function keyword for components (e.g., export default function UserProfile() {}).
- Keep components small and atomic.

For Subsciption until January 10, 2020

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Clover Boot Flags

Flag	Description
-v	Verbose Mode
-x	Safe Mode
-s	Single User Mode
-no-zp	Zone Postponing (use if hanging)
cpus=1	Single CPU Core Mode
-f	No Kext Cache Mode (use if hanging)

	#!/usr/bin/env python
	# -- coding: utf-8 --
	import os
	import sys

	def verificar_argumentos():
	"""
	Verifica se todos os argumentos necessários foram fornecidos.
	"""
	if len(sys.argv) != 4:

	#!/bin/sh

	## Clean up any stale tempfile
	echo "Removing old files..."
	[ -f /tmp/hosts.working ] && rm -f /tmp/hosts.working

	## Awk regex to be inverse-matched as whitelist
	# - SolveMedia is needed for captchas on some websites
	whitelist='/(api.solvemedia.com)/'

	#!/bin/bash

	# https://openwebcraft.com/notes/clearlinux-desktop-setup/

	echo "--- start"

	wget https://vscode-update.azurewebsites.net/latest/linux-x64/stable -O code_latest_amd64.tar.gz

	SRC_FILE=code_latest_amd64.tar.gz
	DEST=/opt/code

	{
	"version": "1.9.0"
	}