ci: print numpy version in each test step for alignment traceability

Author: peng.li24

.github/workflows/ci.yml

@@ -44,6 +44,9 @@ jobs:
           sudo apt-get update -qq
           sudo apt-get install -y libeigen3-dev
 
+      - name: Show numpy version
+        run: python -c "import numpy; print('numpy', numpy.__version__)"
+
       - name: Diagnose numpy symbols
         run: |
           python diagnose_numpy.py
@@ -59,6 +62,8 @@ jobs:
       - name: Run 900 bit-exact tests
         run: |
           cd tests
+          NUMPY_VER=$(python -c "import numpy; print(numpy.__version__)")
+          echo "numpy version: $NUMPY_VER"
           python -m pytest test_all.py -q --tb=short --no-header
 
   # ── Job 2: std / performance-first backend (informational) ───────────────────
@@ -96,12 +101,17 @@ jobs:
       - name: Build
         run: cmake --build tests/build_std -j$(nproc)
 
+      - name: Show numpy version
+        run: python -c "import numpy; print('numpy', numpy.__version__)"
+
       - name: Run all 900 tests (std mode — failures expected for transcendental/linalg)
         # Run the full suite so the CI log honestly shows which tests align and
         # which do not.  std::exp/log/pow/atan2 and C++ loops differ from numpy's
         # SVML/OpenBLAS paths by 0-2 ULP — those failures are expected and documented.
         run: |
           cd tests
+          NUMPY_VER=$(python -c "import numpy; print(numpy.__version__)")
+          echo "numpy version: $NUMPY_VER"
           python -m pytest test_all.py -q --tb=no --no-header
 
   # ── Job 3: package DEB ───────────────────────────────────────────────────────