Add Auto-Assignment GitHub Action for Issues (#980)

* Add auto-assignment GitHub Actions script

* add Google open source license

* The assignee list has been updated

Author: Varun-S10

.github/workflows/auto-assignment.yml

@@ -0,0 +1,44 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: A2UI Issue Auto-Assignment
+
+on:
+  issues:
+    types: [opened]
+
+permissions:
+  contents: read
+  issues: write
+
+jobs:
+  auto-assign:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run auto-assignment script
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const path = require('path');
+            const { pathToFileURL } = require('url');
+
+            const filePath = path.resolve('./scripts/auto-assignment.mjs');
+            const fileUrl = pathToFileURL(filePath).href;
+
+            const importedModule = await import(fileUrl);
+            await importedModule.default({ github, context });

scripts/auto-assignment.mjs

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export default async function autoAssign({ github, context }) {
+  console.log('A2UI Issue Auto-assignment script started');
+
+  let issueNumber;
+  let activeAssigneesList;
+
+  // Hardcoded assignee lists
+  const issueAssigneesList = ['selamw1'];
+
+  // Determine event type
+  if (context.payload.issue) {
+    issueNumber = context.payload.issue.number;
+    activeAssigneesList = issueAssigneesList;
+    console.log('Event Type: Issue');
+  } else {
+    console.log('Not an Issue event. Exiting.');
+    return;
+  }
+
+  console.log('Target assignees list:', activeAssigneesList);
+
+  if (!activeAssigneesList || activeAssigneesList.length === 0) {
+    console.log('No assignees configured for this type.');
+    return;
+  }
+
+  // Round-robin assignment
+  const selection = issueNumber % activeAssigneesList.length;
+  const assigneeToAssign = activeAssigneesList[selection];
+
+  console.log(`Assigning #${issueNumber} to: ${assigneeToAssign}`);
+
+  try {
+    await github.rest.issues.addAssignees({
+      issue_number: issueNumber,
+      owner: context.repo.owner,
+      repo: context.repo.repo,
+      assignees: [assigneeToAssign],
+    });
+    console.log('Assignment successful');
+  } catch (error) {
+    console.log('Failed to assign:', error.message);
+  }
+
+  console.log('A2UI Issue Auto-assignment script completed');
+}