From 966499812ed26561cf1d1be17a5c4da10c012d79 Mon Sep 17 00:00:00 2001
From: Douglas Ezra Morrison <ezra.morrison@wwu.edu>
Date: Tue, 3 Nov 2026 08:34:16 -0800
Subject: [PATCH] Add cancel-superseded caller

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019xfc9ojH5gMAJaAFRMPitW
---
 .github/workflows/cancel-superseded.yml | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 .github/workflows/cancel-superseded.yml

diff --git a/.github/workflows/cancel-superseded.yml b/.github/workflows/cancel-superseded.yml
new file mode 100644
index 0000000..90d410a
--- /dev/null
+++ b/.github/workflows/cancel-superseded.yml
@@ -0,0 +1,13 @@
+name: Cancel Superseded Runs
+
+on:
+  pull_request:
+    types: [synchronize, closed]
+
+permissions:
+  actions: write
+  pull-requests: read
+
+jobs:
+  cancel:
+    uses: Morrison-Lab/gha/.github/workflows/cancel-superseded.yml@v3