Maybe I’m asking too much and maybe this is a language issue, not a LiveView one but still, can it be made for function components to be defdelegated to from another module and work as good when used from that other module?

By work as good I mean those slot's and attr's reporting compile time errors when something that’s required is not specified.

Ex:

defmodule SpecificComponents do
   use Phoenix.Component

   attr :id, :string, required: true
   attr :name, :string, required: true
   attr :role, :string, default: nil
   def account( assign)

   embed_templates "specific_components/*"  # containing `account.html.heex`
end

defmodule OverallComponents do
    defdelegate account( assigns), to: SpecificComponents
end

defmodule Example do
  ...

  import OverallCompoenents

  def render( assigns) do
     ~H"""
     <div>
       <.account id="account" />
     </div>
     """
  end
end

This compiles (on latest Phoenix, LiveView, Elixir) without complaining the otherwise required name attribute is missing.