From 91b85e095b780538ca5beeb6b043614857e1bc3d Mon Sep 17 00:00:00 2001
From: Shunsuke Hayashi <supernovasyun@gmail.com>
Date: Sat, 22 Nov 2025 17:07:16 +0900
Subject: [PATCH] chore: Add workflow project-sync.yml

---
 .github/workflows/project-sync.yml | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 .github/workflows/project-sync.yml

diff --git a/.github/workflows/project-sync.yml b/.github/workflows/project-sync.yml
new file mode 100644
index 0000000..77fa1c5
--- /dev/null
+++ b/.github/workflows/project-sync.yml
@@ -0,0 +1,21 @@
+name: Sync Issues to Project
+
+on:
+  issues:
+    types: [opened, labeled, unlabeled, closed, reopened]
+  pull_request:
+    types: [opened, closed, reopened]
+
+jobs:
+  sync-to-project:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: read
+      pull-requests: read
+
+    steps:
+      - name: Sync to GitHub Projects
+        uses: actions/add-to-project@v0.5.0
+        with:
+          project-url: https://github.com/orgs/${{ github.repository_owner }}/projects/1
+          github-token: ${{ secrets.GITHUB_TOKEN }}