chore: more god module work

Co-authored-by: Copilot <copilot@github.com>

lib/bds/desktop/shell_live/session_util.ex

@@ -0,0 +1,48 @@
+defmodule BDS.Desktop.ShellLive.SessionUtil do
+  @moduledoc false
+
+  import Phoenix.Component, only: [assign: 3]
+
+  alias BDS.UI.{Session, Workbench}
+
+  @default_new_project_name "New Blog"
+
+  def restore_workbench_session(session_payload) do
+    Session.restore(session_payload)
+  rescue
+    _error -> Workbench.new()
+  end
+
+  def next_project_name(projects) do
+    existing_names = MapSet.new(Enum.map(projects, & &1.name))
+
+    Stream.iterate(1, &(&1 + 1))
+    |> Enum.find_value(fn index ->
+      candidate =
+        if index == 1, do: @default_new_project_name, else: "#{@default_new_project_name} #{index}"
+
+      if MapSet.member?(existing_names, candidate), do: nil, else: candidate
+    end)
+  end
+
+  def initial_handled_task_results do
+    BDS.Tasks.status_snapshot()
+    |> Map.get(:tasks, [])
+    |> Enum.filter(fn task -> task.status == :completed and is_map(task.result) end)
+    |> Enum.map(& &1.id)
+    |> MapSet.new()
+  end
+
+  def next_completed_task_result(socket, task_status) do
+    handled = Map.get(socket.assigns, :handled_task_results, MapSet.new())
+
+    Enum.find(Map.get(task_status, :tasks, []), fn task ->
+      task.status == :completed and is_map(task.result) and not MapSet.member?(handled, task.id)
+    end)
+  end
+
+  def mark_task_result_handled(socket, task_id) do
+    handled = Map.get(socket.assigns, :handled_task_results, MapSet.new())
+    assign(socket, :handled_task_results, MapSet.put(handled, task_id))
+  end
+end