From 0985e6d7e37e169709bc43cb555c2609a386347f Mon Sep 17 00:00:00 2001
From: Ikiru Yoshizaki <3856350+guitarrapc@users.noreply.github.com>
Date: Wed, 8 Jul 2026 11:43:09 +0900
Subject: [PATCH 1/2] ci: add pr harness check

---
 .github/workflows/pr-harness.yaml            | 12 ++++++++++++
 .github/workflows/prevent-github-change.yaml | 12 ------------
 2 files changed, 12 insertions(+), 12 deletions(-)
 create mode 100644 .github/workflows/pr-harness.yaml
 delete mode 100644 .github/workflows/prevent-github-change.yaml

diff --git a/.github/workflows/pr-harness.yaml b/.github/workflows/pr-harness.yaml
new file mode 100644
index 0000000..a5122c0
--- /dev/null
+++ b/.github/workflows/pr-harness.yaml
@@ -0,0 +1,12 @@
+name: PR Harness
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  harness:
+    permissions:
+      contents: read
+      pull-requests: read
+    uses: Cysharp/Actions/.github/workflows/pr-harness.yaml@main
diff --git a/.github/workflows/prevent-github-change.yaml b/.github/workflows/prevent-github-change.yaml
deleted file mode 100644
index 74573bb..0000000
--- a/.github/workflows/prevent-github-change.yaml
+++ /dev/null
@@ -1,12 +0,0 @@
-name: Prevent github change
-on:
-  pull_request:
-    paths:
-      - ".github/**/*.yaml"
-      - ".github/**/*.yml"
-
-jobs:
-  detect:
-    permissions:
-      contents: read
-    uses: Cysharp/Actions/.github/workflows/prevent-github-change.yaml@main

From 21ed938a6f87be26d8cec8a75b4f2037118f720b Mon Sep 17 00:00:00 2001
From: Ikiru Yoshizaki <3856350+guitarrapc@users.noreply.github.com>
Date: Wed, 8 Jul 2026 12:14:37 +0900
Subject: [PATCH 2/2] ci: default branch

---
 .github/workflows/pr-harness.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pr-harness.yaml b/.github/workflows/pr-harness.yaml
index a5122c0..3800351 100644
--- a/.github/workflows/pr-harness.yaml
+++ b/.github/workflows/pr-harness.yaml
@@ -2,7 +2,7 @@ name: PR Harness
 
 on:
   pull_request:
-    branches: [main]
+    branches: [master]
 
 jobs:
   harness: