[TRTLLM-6364][infra] Validate for PR titles to ensure they follow the required format (#6278)

Signed-off-by: Yiteng Niu <[email protected]>
Co-authored-by: Yanchao Lu <[email protected]>

Author: niukuo

.github/pull_request_template.md

@@ -3,15 +3,21 @@
 <!--
 Please write the PR title by following this template:
 
-[JIRA ticket/NVBugs ID/GitHub issue][fix/feat/doc/infra/...] \<summary of this PR\>
+**[JIRA ticket/NVBugs ID/GitHub issue/None][type] Summary**
 
-For example, assume I have a PR to support a new feature about cache manager for JIRA ticket TRTLLM-1000, it would be like:
+Valid ticket formats:
+  - JIRA ticket: [TRTLLM-1234] or [FOOBAR-123] for other FOOBAR project
+  - NVBugs ID: [https://nvbugs/1234567]
+  - GitHub issue: [#1234]
+  - No ticket: [None]
 
-[TRTLLM-1000][feat] Support a new feature about cache manager
+Valid types (lowercase): [fix], [feat], [doc], [infra], [chore], etc.
 
-Or I have a PR to fix a Llama3 accuracy issue:
-
-[https://nvbugs/1234567][fix] Fix Llama3 accuracy issue
+Examples:
+  - [TRTLLM-1234][feat] Add new feature
+  - [https://nvbugs/1234567][fix] Fix some bugs
+  - [#1234][doc] Update documentation
+  - [None][chore] Minor clean-up
 -->
 
 ## Description

.github/workflows/pr-check.yml

@@ -0,0 +1,55 @@
+# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# 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
+#
+# 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 Checks
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize, reopened]
+
+jobs:
+  check-pr-title:
+    name: Check PR Title Format
+    runs-on: ubuntu-latest
+    steps:
+      - name: Validate PR Title Format
+        id: check-pr-title
+        uses: agenthunt/[email protected]
+        continue-on-error: true
+        with:
+          pr-title-regex: "^(\\[(None|[A-Z0-9]+-[0-9]+|#[0-9]+|https:\\/\\/nvbugs\\/[0-9]+)\\])(\\[[a-z0-9]+\\]) (([^ ].*)?[^ ])$"
+          pr-body-regex: ""
+
+      - name: PR Title Format Guide
+        if: steps.check-pr-title.outcome == 'failure'
+        run: |
+          echo "::error::PR title format check failed."
+          echo "Expected PR title format:"
+          echo "  [JIRA ticket/NVBugs ID/GitHub issue/None][type] Summary"
+          echo ""
+          echo "Valid ticket formats:"
+          echo "  - JIRA ticket: [TRTLLM-1234] or [FOOBAR-123] for other FOOBAR project"
+          echo "  - NVBugs ID: [https://nvbugs/1234567]"
+          echo "  - GitHub issue: [#1234]"
+          echo "  - No ticket: [None]"
+          echo ""
+          echo "Valid types (lowercase): [fix], [feat], [doc], [infra], [chore], etc."
+          echo ""
+          echo "Examples:"
+          echo "  - [TRTLLM-1234][feat] Add new feature"
+          echo "  - [https://nvbugs/1234567][fix] Fix some bugs"
+          echo "  - [#1234][doc] Update documentation"
+          echo "  - [None][chore] Minor clean-up"
+          exit 1