diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fa874896fb7..49a035cd4ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1461,7 +1461,7 @@ jobs:
     name: ${{ matrix.check_name }}
     needs: [preflight]
     if: ${{ !cancelled() && always() && needs.preflight.outputs.run_check_additional == 'true' }}
-    runs-on: ubuntu-24.04
+    runs-on: ${{ github.repository == 'openclaw/openclaw' && 'blacksmith-8vcpu-ubuntu-2404' || 'ubuntu-24.04' }}
     timeout-minutes: 20
     strategy:
       fail-fast: false
diff --git a/docs/ci.md b/docs/ci.md
index 134da4a8146..aedb6e03791 100644
--- a/docs/ci.md
+++ b/docs/ci.md
@@ -91,15 +91,15 @@ gh workflow run full-release-validation.yml --ref main -f ref=<branch-or-sha>
 
 ## Runners
 
-| Runner                           | Jobs                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
-| -------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `ubuntu-24.04`                   | `preflight`, fast security jobs and aggregates (`security-scm-fast`, `security-dependency-audit`, `security-fast`), fast protocol/contract/bundled checks, sharded channel contract checks, `check` shards except lint, `check-additional` shards and aggregates, Node test aggregate verifiers, docs checks, Python skills, workflow-sanity, labeler, auto-response; install-smoke preflight also uses GitHub-hosted Ubuntu so the Blacksmith matrix can queue earlier |
-| `blacksmith-4vcpu-ubuntu-2404`   | `CodeQL Critical Quality`, lower-weight extension shards, `checks-fast-core`, `checks-node-compat-node22`, `check-prod-types`, and `check-test-types`                                                                                                                                                                                                                                                                                                                   |
-| `blacksmith-8vcpu-ubuntu-2404`   | `build-artifacts`, build-smoke, Linux Node test shards, bundled plugin test shards, `android`                                                                                                                                                                                                                                                                                                                                                                           |
-| `blacksmith-16vcpu-ubuntu-2404`  | `check-lint` (CPU-sensitive enough that 8 vCPU cost more than they saved); install-smoke Docker builds (32-vCPU queue time cost more than it saved)                                                                                                                                                                                                                                                                                                                     |
-| `blacksmith-16vcpu-windows-2025` | `checks-windows`                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
-| `blacksmith-6vcpu-macos-latest`  | `macos-node` on `openclaw/openclaw`; forks fall back to `macos-latest`                                                                                                                                                                                                                                                                                                                                                                                                  |
-| `blacksmith-12vcpu-macos-latest` | `macos-swift` on `openclaw/openclaw`; forks fall back to `macos-latest`                                                                                                                                                                                                                                                                                                                                                                                                 |
+| Runner                           | Jobs                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
+| -------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
+| `ubuntu-24.04`                   | `preflight`, fast security jobs and aggregates (`security-scm-fast`, `security-dependency-audit`, `security-fast`), fast protocol/contract/bundled checks, sharded channel contract checks, `check` shards except lint, `check-additional` aggregates, Node test aggregate verifiers, docs checks, Python skills, workflow-sanity, labeler, auto-response; install-smoke preflight also uses GitHub-hosted Ubuntu so the Blacksmith matrix can queue earlier |
+| `blacksmith-4vcpu-ubuntu-2404`   | `CodeQL Critical Quality`, lower-weight extension shards, `checks-fast-core`, `checks-node-compat-node22`, `check-prod-types`, and `check-test-types`                                                                                                                                                                                                                                                                                                        |
+| `blacksmith-8vcpu-ubuntu-2404`   | `build-artifacts`, build-smoke, Linux Node test shards, bundled plugin test shards, `check-additional` shards, `android`                                                                                                                                                                                                                                                                                                                                     |
+| `blacksmith-16vcpu-ubuntu-2404`  | `check-lint` (CPU-sensitive enough that 8 vCPU cost more than they saved); install-smoke Docker builds (32-vCPU queue time cost more than it saved)                                                                                                                                                                                                                                                                                                          |
+| `blacksmith-16vcpu-windows-2025` | `checks-windows`                                                                                                                                                                                                                                                                                                                                                                                                                                             |
+| `blacksmith-6vcpu-macos-latest`  | `macos-node` on `openclaw/openclaw`; forks fall back to `macos-latest`                                                                                                                                                                                                                                                                                                                                                                                       |
+| `blacksmith-12vcpu-macos-latest` | `macos-swift` on `openclaw/openclaw`; forks fall back to `macos-latest`                                                                                                                                                                                                                                                                                                                                                                                      |
 
 ## Local equivalents