From dcb7e50ad3e426c3afaececb04710bb50ecae5cb Mon Sep 17 00:00:00 2001
From: Manu Zhang <owenzhang1990@gmail.com>
Date: Fri, 24 Apr 2026 23:17:47 +0800
Subject: [PATCH 1/3] CI: Add PR title check workflow

---
 .github/workflows/pr-title-check.yml | 41 ++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 .github/workflows/pr-title-check.yml

diff --git a/.github/workflows/pr-title-check.yml b/.github/workflows/pr-title-check.yml
new file mode 100644
index 000000000000..aed61e6c2b74
--- /dev/null
+++ b/.github/workflows/pr-title-check.yml
@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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
+#
+#   http://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: PR Title Check
+
+on:
+  pull_request:
+    types: [opened, edited, reopened]
+
+permissions:
+  contents: read
+  pull-requests: read
+
+jobs:
+  check-pr-title:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check PR Title
+        env:
+          PR_TITLE: ${{ github.event.pull_request.title }}
+        run: |
+          if ! echo $PR_TITLE | grep -Eq '^[A-Za-z][A-Za-z0-9 ._+/&-]*: .+'; then
+            echo "Invalid PR title: '$PR_TITLE'"
+            echo "PR titles must follow 'Module: Description' (example: 'Core: Fix manifest reuse in scan planning')."
+            exit 1
+          fi
+
+          echo "PR title is valid: '$PR_TITLE'"

From 4c7f41fe63dc67ad754ffb70afa7e318597cb2b1 Mon Sep 17 00:00:00 2001
From: Manu Zhang <OwenZhang1990@gmail.com>
Date: Sat, 9 May 2026 21:29:19 +0800
Subject: [PATCH 2/3] Update .github/workflows/pr-title-check.yml

Co-authored-by: Kevin Liu <kevinjqliu@users.noreply.github.com>
---
 .github/workflows/pr-title-check.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pr-title-check.yml b/.github/workflows/pr-title-check.yml
index aed61e6c2b74..381daeaeda09 100644
--- a/.github/workflows/pr-title-check.yml
+++ b/.github/workflows/pr-title-check.yml
@@ -32,7 +32,7 @@ jobs:
         env:
           PR_TITLE: ${{ github.event.pull_request.title }}
         run: |
-          if ! echo $PR_TITLE | grep -Eq '^[A-Za-z][A-Za-z0-9 ._+/&-]*: .+'; then
+          if ! echo "$PR_TITLE" | grep -Eq '^[A-Za-z][A-Za-z0-9 ._+/&-]*: .+'; then
             echo "Invalid PR title: '$PR_TITLE'"
             echo "PR titles must follow 'Module: Description' (example: 'Core: Fix manifest reuse in scan planning')."
             exit 1

From 6cb3e6f039d17826d761b01f451937d63bf14875 Mon Sep 17 00:00:00 2001
From: Kevin Liu <kevin.jq.liu@gmail.com>
Date: Sat, 9 May 2026 10:09:52 -0700
Subject: [PATCH 3/3] code review

Co-authored-by: Copilot <copilot@github.com>
---
 .github/workflows/pr-title-check.yml | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/pr-title-check.yml b/.github/workflows/pr-title-check.yml
index 381daeaeda09..48c4b652ce2b 100644
--- a/.github/workflows/pr-title-check.yml
+++ b/.github/workflows/pr-title-check.yml
@@ -20,21 +20,24 @@ on:
   pull_request:
     types: [opened, edited, reopened]
 
-permissions:
-  contents: read
-  pull-requests: read
+concurrency:
+  group: pr-title-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+permissions: {}
 
 jobs:
   check-pr-title:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - name: Check PR Title
         env:
           PR_TITLE: ${{ github.event.pull_request.title }}
         run: |
-          if ! echo "$PR_TITLE" | grep -Eq '^[A-Za-z][A-Za-z0-9 ._+/&-]*: .+'; then
-            echo "Invalid PR title: '$PR_TITLE'"
-            echo "PR titles must follow 'Module: Description' (example: 'Core: Fix manifest reuse in scan planning')."
+          PATTERN='^[A-Za-z][A-Za-z0-9._+/&-]*: .+'
+          if ! echo "$PR_TITLE" | grep -Eq "$PATTERN"; then
+            echo "::error::PR title must follow 'Module: Description' format. Got: '$PR_TITLE'"
+            echo "Examples: 'Core: Fix ...', 'Spark: Add ...', 'API: Remove ...', 'Docs: Update ...'"
             exit 1
           fi