diff --git a/.github/workflows/auto-pr.yml b/.github/workflows/auto-pr.yml
new file mode 100644
index 0000000..c1e6d5f
--- /dev/null
+++ b/.github/workflows/auto-pr.yml
@@ -0,0 +1,59 @@
+name: Auto Create or Reopen PR
+
+on:
+  push:
+    branches:
+      - 'PR/*'
+
+jobs:
+  manage-pr:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      contents: read
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Create or Reopen PR
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const branchName = context.ref.replace('refs/heads/', '');
+            const targetBranch = 'public';
+            
+            // 1. Check if a PR already exists for this branch (open or closed)
+            const { data: prs } = await github.rest.pulls.list({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              head: `${context.repo.owner}:${branchName}`,
+              state: 'all'
+            });
+
+            if (prs.length > 0) {
+              const latestPr = prs[0];
+              
+              // 2. If the PR is closed and was NOT merged, reopen it
+              if (latestPr.state === 'closed' && !latestPr.merged_at) {
+                console.log(`Reopening existing PR #${latestPr.number}`);
+                await github.rest.pulls.update({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  pull_number: latestPr.number,
+                  state: 'open'
+                });
+              } else {
+                console.log('PR is already open or was previously merged. No action taken.');
+              }
+            } else {
+              // 3. If no PR exists, create a new one
+              console.log(`Creating new PR for ${branchName}`);
+              await github.rest.pulls.create({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                title: `Auto PR: ${branchName}`,
+                head: branchName,
+                base: targetBranch,
+                body: 'This Pull Request was automatically generated by GitHub Actions.'
+              });
+            }