From d898576997c197830ba1fef4de8470df0cc6841d Mon Sep 17 00:00:00 2001
From: Leo Fang <leo80042@gmail.com>
Date: Tue, 24 Mar 2026 20:31:59 -0400
Subject: [PATCH 1/4] Add labeler config for auto-labeling PRs by path

---
 .github/labeler.yml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 .github/labeler.yml

diff --git a/.github/labeler.yml b/.github/labeler.yml
new file mode 100644
index 0000000000..7c5644c558
--- /dev/null
+++ b/.github/labeler.yml
@@ -0,0 +1,18 @@
+# Configuration for actions/labeler
+# Auto-applies labels based on which files a PR changes.
+
+cuda.bindings:
+  - changed-files:
+    - any-glob-to-any-file: 'cuda_bindings/**'
+
+cuda.core:
+  - changed-files:
+    - any-glob-to-any-file: 'cuda_core/**'
+
+cuda.pathfinder:
+  - changed-files:
+    - any-glob-to-any-file: 'cuda_pathfinder/**'
+
+CI/CD:
+  - changed-files:
+    - any-glob-to-any-file: '.github/**'

From 530e85228376364ddbc1fd7aef049c4525b47386 Mon Sep 17 00:00:00 2001
From: Leo Fang <leo80042@gmail.com>
Date: Tue, 24 Mar 2026 20:32:06 -0400
Subject: [PATCH 2/4] Add auto-label workflow using actions/labeler v6

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 .github/workflows/pr-auto-label.yml | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 .github/workflows/pr-auto-label.yml

diff --git a/.github/workflows/pr-auto-label.yml b/.github/workflows/pr-auto-label.yml
new file mode 100644
index 0000000000..7b86455b2d
--- /dev/null
+++ b/.github/workflows/pr-auto-label.yml
@@ -0,0 +1,23 @@
+# SPDX-FileCopyrightText: Copyright (c) 2024-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+name: "CI: Auto-label PRs by path"
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  auto-label:
+    name: Auto-label by changed paths
+    if: github.repository_owner == 'NVIDIA'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - name: Apply labels
+        uses: actions/labeler@634933edcd8ababfe52f92936142cc22ac488b1b  # v6.0.1

From 42d5e5c1fe9d9db212dadbb3380e7749fa2a856e Mon Sep 17 00:00:00 2001
From: Leo Fang <leo80042@gmail.com>
Date: Tue, 24 Mar 2026 20:43:21 -0400
Subject: [PATCH 3/4] Add ci/ folder to CI/CD label mapping

---
 .github/labeler.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/labeler.yml b/.github/labeler.yml
index 7c5644c558..2cdde6224d 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -15,4 +15,6 @@ cuda.pathfinder:
 
 CI/CD:
   - changed-files:
-    - any-glob-to-any-file: '.github/**'
+    - any-glob-to-any-file:
+      - '.github/**'
+      - 'ci/**'

From cf63f328bdfc469060ff9a014b54f6d5b50db2cb Mon Sep 17 00:00:00 2001
From: Leo Fang <leo80042@gmail.com>
Date: Tue, 24 Mar 2026 21:01:50 -0400
Subject: [PATCH 4/4] Add SPDX header to labeler.yml to fix pre-commit check

---
 .github/labeler.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/labeler.yml b/.github/labeler.yml
index 2cdde6224d..9d1ed4e1d9 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: Copyright (c) 2024-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 # Configuration for actions/labeler
 # Auto-applies labels based on which files a PR changes.