```elixir
defmodule MyApp.PubSub do
  @moduledoc """
  Centralized module for handling pub/sub broadcasts in MyApp.
  """

  # ---------------------
  # User broadcasts
  # ---------------------

  # User topics
  defp user_topic(user_id), do: "user:#{user_id}"

  # User events
  defmodule Events.User do
    def inventory_update, do: :inventory_update
    def equipment_update, do: :equipment_update
    def resources_update, do: :resources_update
    def balance_update, do: :balance_update
    def strongbox_update, do: :strongbox_update
    def items_salvaged, do: :items_salvaged
    def unread_message_count, do: :unread_message_count
  end

  def subscribe_to_user(user_id) do
    Phoenix.PubSub.subscribe(Shopkeep.PubSub, user_topic(user_id))
  end

  def update_user_inventory(user_id, inventory) do
    broadcast_to_user(user_id, {Events.User.inventory_update(), inventory})
  end
end
```

...

```elixir
# home_live.ex

defmodule MyAppWeb.HomeLive do
  # ...
  # PubSub.subscribe_to_user(user.id) happens above

  # trying to avoid issues with typos in atom names - (intentional typo ":inventoryy")
  # publisher sends events, is never handled properly
  # may throw runtime error but it's reverse "no handler for :inventory in home_live"
  def handle_info({:inventoryy, inventory}, socket) do
    socket =
      socket
      |> assign(:inventory, inventory)
      |> maybe_update_equipped_stats(:inventory)

    {:noreply, socket}
  end

  # Below complains - cannot invoke remote function MyApp.PubSub.Events.User.inventory_update/0 inside a matchElixir
  def handle_info({Events.User.inventory_update(), inventory}, socket) do
    socket =
      socket
      |> assign(:inventory, inventory)
      |> maybe_update_equipped_stats(:inventory)

    {:noreply, socket}
  end

  # below works, but is verbose - I'm OK with this for now but feels like a code/design smell
  @inventory_update_event Events.User.inventory_update()
  def handle_info({@inventory_update_event, inventory}, socket) do
    socket =
      socket
      |> assign(:inventory, inventory)
      |> maybe_update_equipped_stats(:inventory)

    {:noreply, socket}
  end
end
```