message: Mark depending commands
diff: @@ -135,11 +135,12 @@ const lume = new Command()
  .option(
  "-p, --port <port:number>",
  "The port where the server runs.",
  - { default: 3000 },
  + { default: 3000, depends: ["serve"] },
  )
  .option(
  "-o, --open [open:boolean]",
  "Open the site in a browser.",
  + { depends: ["serve"] },
  )
  .option(
  "-w, --watch [watch:boolean]",
  