Sync auto-assign-pr.yml from .github repo

Author: P4X-ng

.github/workflows/auto-assign-pr.yml

@@ -0,0 +1,33 @@
+# Auto Assign Copilot (or any username) to every new pull request.
+# Tweak the username(s) below as needed!
+
+name: Auto Assign Copilot to PRs
+
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  auto-assign:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Assign Copilot (or others) to new PRs
+        uses: actions/github-script@main
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            // Assign PRs to Copilot or other users
+            const copilotUsername = "copilot"; // <-- TUNE ME!
+            const assignees = [copilotUsername]; // Or: ["copilot","anotheruser"]
+            const currentAssignees = context.payload.pull_request.assignees.map(u => u.login);
+            if (!assignees.every(a => currentAssignees.includes(a))) {
+              await github.rest.issues.addAssignees({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: context.payload.pull_request.number,
+                assignees
+              });
+              console.log(`Assigned ${assignees.join(", ")} to PR #${context.payload.pull_request.number}`);
+            } else {
+              console.log(`Already assigned: ${assignees.join(", ")} on PR #${context.payload.pull_request.number}`);
+            }