Fix sgl-kernel-mla-test path after test was moved to test/manual (#24914)

Co-authored-by: Alison Shao <a.shao@wustl.edu>
Co-authored-by: Alison Shao <54658187+alisonshao@users.noreply.github.com>

.github/workflows/pr-test-sgl-kernel.yml

@@ -66,41 +66,6 @@ jobs:
           cd sgl-kernel
           pytest tests/
 
-  sgl-kernel-mla-test:
-    runs-on: 1-gpu-h100
-    timeout-minutes: 240
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}
-
-      - uses: ./.github/actions/check-stage-health
-
-      - uses: ./.github/actions/check-maintenance
-
-      - name: Cleanup
-        run: |
-          ls -alh sgl-kernel/dist || true
-          rm -rf sgl-kernel/dist/* || true
-
-      - name: Download artifacts
-        uses: actions/download-artifact@v4
-        with:
-          path: sgl-kernel/dist/
-          merge-multiple: true
-          pattern: wheel-python3.10-cuda*
-
-      - name: Install dependencies
-        timeout-minutes: 20
-        run: |
-          CUSTOM_BUILD_SGL_KERNEL=${{inputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh
-
-      - name: Run test
-        timeout-minutes: 30
-        run: |
-          cd test/registered/mla
-          python3 test_mla_deepseek_v3.py
-
   sgl-kernel-benchmark-test:
     runs-on: 1-gpu-h100
     timeout-minutes: 240

.github/workflows/pr-test.yml

@@ -158,7 +158,8 @@ jobs:
               - "python/pyproject.toml"
               - "python/sglang/jit_kernel/**"
             sgl_kernel:
-              - ".github/workflows/pr-test-sgl-kernel.yml"
+              # Intentionally excludes ".github/workflows/pr-test-sgl-kernel.yml" —
+              # see API-side detector below for rationale.
               - "sgl-kernel/**/!(*.md|THIRDPARTYNOTICES.txt|LICENSE)"
 
       # For /rerun-stage (workflow_dispatch with target_stage), dorny/paths-filter doesn't work
@@ -192,7 +193,15 @@ jobs:
           echo "..."
 
           # Check for sgl-kernel changes
-          if echo "$CHANGED_FILES" | grep -qE "^(sgl-kernel/|\.github/workflows/pr-test-sgl-kernel\.yml)"; then
+          # Note: edits to .github/workflows/pr-test-sgl-kernel.yml are intentionally
+          # NOT considered sgl-kernel changes. That filter line used to be included
+          # so workflow refactors got retested, but in practice it only catches the
+          # workflow's *consumers* (test job definitions), not the wheel build steps
+          # themselves — and gating sgl_kernel=true on it forces a 20-30 min wheel
+          # rebuild + the stage-a-test-1-gpu-small gate for pure CI-yaml edits that
+          # can't actually affect kernel behavior. PRs that touch wheel-build logic
+          # in scripts/ci/cuda/ or sgl-kernel/ still trigger correctly.
+          if echo "$CHANGED_FILES" | grep -qE "^sgl-kernel/"; then
             echo "sgl_kernel=true" >> $GITHUB_OUTPUT
             echo "Detected sgl-kernel changes"
           else