diff --git a/.github/workflows/clp-artifact-build.yaml b/.github/workflows/clp-artifact-build.yaml
index b47b0369a7..443116bb0f 100644
--- a/.github/workflows/clp-artifact-build.yaml
+++ b/.github/workflows/clp-artifact-build.yaml
@@ -26,14 +26,16 @@ concurrency:
   cancel-in-progress: "${{github.ref != 'refs/heads/main'}}"
 
 jobs:
+  skip-duplicate-check:
+    uses: "./.github/workflows/skip-duplicate-check.yaml"
+
   filter-relevant-changes:
     name: "filter-relevant-changes"
-    runs-on: &runner >-
-      ${{
-        github.repository_owner == 'y-scope'
-        && fromJSON('["self-hosted", "x64", "ubuntu-noble"]')
-        || 'ubuntu-24.04'
-      }}
+    needs: "skip-duplicate-check"
+    if: "needs.skip-duplicate-check.outputs.should_skip != 'true'"
+    # This job only performs git operations to detect changed paths, so we use a GitHub-hosted
+    # runner to avoid consuming self-hosted runner resources needed for heavier build jobs.
+    runs-on: "ubuntu-24.04"
     outputs:
       centos_stream_9_image_changed: "${{steps.filter.outputs.centos_stream_9_image}}"
       manylinux_2_28_x86_64_image_changed: "${{steps.filter.outputs.manylinux_2_28_x86_64_image}}"
@@ -104,7 +106,14 @@ jobs:
     name: "centos-stream-9-deps-image"
     if: "needs.filter-relevant-changes.outputs.centos_stream_9_image_changed == 'true'"
     needs: "filter-relevant-changes"
-    runs-on: *runner
+    # Define a reusable runner configuration for jobs that require Docker and benefit from
+    # self-hosted runner resources. Falls back to GitHub-hosted runners for non-y-scope forks.
+    runs-on: &runner >-
+      ${{
+        github.repository_owner == 'y-scope'
+        && fromJSON('["self-hosted", "x64", "ubuntu-noble"]')
+        || 'ubuntu-24.04'
+      }}
     steps:
       - uses: "actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683"
         with:
diff --git a/.github/workflows/skip-duplicate-check.yaml b/.github/workflows/skip-duplicate-check.yaml
new file mode 100644
index 0000000000..abc13c0279
--- /dev/null
+++ b/.github/workflows/skip-duplicate-check.yaml
@@ -0,0 +1,40 @@
+name: "skip-duplicate-check"
+
+# Reusable workflow to skip duplicate runs when both push and pull_request events trigger on the
+# same commit. Other workflows can call this and check the `should_skip` output to avoid redundant
+# work.
+#
+# Usage:
+#   jobs:
+#     skip-check:
+#       uses: "./.github/workflows/skip-duplicate-check.yaml"
+#
+#     my-job:
+#       needs: "skip-check"
+#       if: "needs.skip-check.outputs.should_skip != 'true'"
+#       ...
+
+on:
+  workflow_call:
+    outputs:
+      should_skip:
+        description: "Whether the workflow run should be skipped"
+        value: "${{jobs.check.outputs.should_skip}}"
+
+jobs:
+  check:
+    name: "skip-duplicate-check"
+    runs-on: "ubuntu-24.04"
+    outputs:
+      should_skip: "${{steps.skip_check.outputs.should_skip}}"
+    steps:
+      - id: "skip_check"
+        uses: "fkirc/skip-duplicate-actions@v5"
+        with:
+          # Skip duplicate runs for the same content (e.g., when both push and pull_request trigger)
+          concurrent_skipping: "same_content"
+          skip_after_successful_duplicate: "true"
+          # Always run for scheduled builds and manual triggers.
+          # NOTE: This is a JSON array string (required by the action), with escaped quotes for
+          # yamllint compliance.
+          do_not_skip: "[\"schedule\", \"workflow_dispatch\"]"