From 45ccdcee5757fa8af6e2a3f4c675971a52a5c3d4 Mon Sep 17 00:00:00 2001
From: Bryan Helmkamp <bryan@brynary.com>
Date: Mon, 9 Mar 2026 16:59:48 -0400
Subject: [PATCH] Add hello workflow as a minimal hello world example

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 arc/workflows/hello/workflow.dot  | 11 +++++++++++
 arc/workflows/hello/workflow.toml |  5 +++++
 2 files changed, 16 insertions(+)
 create mode 100644 arc/workflows/hello/workflow.dot
 create mode 100644 arc/workflows/hello/workflow.toml

diff --git a/arc/workflows/hello/workflow.dot b/arc/workflows/hello/workflow.dot
new file mode 100644
index 000000000..7b991ad6a
--- /dev/null
+++ b/arc/workflows/hello/workflow.dot
@@ -0,0 +1,11 @@
+digraph Hello {
+    graph [goal="Say hello and demonstrate a basic arc workflow"]
+    rankdir=LR
+
+    start [shape=Mdiamond, label="Start"]
+    exit  [shape=Msquare, label="Exit"]
+
+    greet [label="Greet", prompt="Say hello! Introduce yourself and explain that this is a test of the arc workflow engine."]
+
+    start -> greet -> exit
+}
diff --git a/arc/workflows/hello/workflow.toml b/arc/workflows/hello/workflow.toml
new file mode 100644
index 000000000..9bf0f1c3e
--- /dev/null
+++ b/arc/workflows/hello/workflow.toml
@@ -0,0 +1,5 @@
+version = 1
+graph = "workflow.dot"
+
+[sandbox]
+provider = "local"