From 44f0ff26e508669ae90f7b4313878205e1bb506b Mon Sep 17 00:00:00 2001
From: Graham McIntire <graham@mcintire.me>
Date: Tue, 7 Apr 2026 08:51:09 -0500
Subject: [PATCH] Add mix notebook task for Livebook attached to dev node

Run `mix notebook` for instructions to start Livebook at localhost:8081
connected to the running Phoenix node with full Repo/Scorer access.
---
 lib/mix/tasks/notebook.ex | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 lib/mix/tasks/notebook.ex

diff --git a/lib/mix/tasks/notebook.ex b/lib/mix/tasks/notebook.ex
new file mode 100644
index 00000000..1770b976
--- /dev/null
+++ b/lib/mix/tasks/notebook.ex
@@ -0,0 +1,27 @@
+defmodule Mix.Tasks.Notebook do
+  @shortdoc "Start Phoenix + Livebook at localhost:8081/notebooks/algorithm_analysis.livemd"
+  @moduledoc false
+  use Mix.Task
+
+  @impl Mix.Task
+  def run(_args) do
+    hostname = :inet.gethostname() |> elem(1) |> List.to_string()
+    cookie = "microwaveprop_notebook"
+    node = "prop@#{hostname}"
+
+    IO.puts("""
+    Start Phoenix with a node name first:
+
+        iex --sname prop --cookie #{cookie} -S mix phx.server
+
+    Then in another terminal:
+
+        LIVEBOOK_NODE=#{node} LIVEBOOK_COOKIE=#{cookie} livebook server \\
+          --port 8081 \\
+          --default-runtime attached:#{node}:#{cookie} \\
+          --open notebooks/algorithm_analysis.livemd
+
+    Livebook will be at http://localhost:8081
+    """)
+  end
+end