async def login(req):
    user = await auth.verify(req.email, req.password)
    if not user: raise Unauthorized()
    session = make_session(user.id)  # cookie firmada
    return redirect("/", set_cookie=session)

class Usuario(Base):
    email: str; rol: str  # admin|staff|colaborador|cliente
    def can(self, perm): return rbac.allows(self.rol, perm)

@app.get("/")
def dashboard(u = Depends(require_user)):
    return render("panel", clientes=crm.all(), kpis=stats())
# pksel-os // rama de programación de piksel house
for modulo in catalog.modulos: deploy(modulo, cliente)
SELECT quote_num, total FROM cotizaciones WHERE estado='cotizado';
async def login(req): user = await auth.verify(req.email, req.password)