[ci] Update directory for the build

Author: th-skam

.github/workflows/ci.yml

@@ -117,15 +117,15 @@ jobs:
       - name: Make ConstraintGeometry visible for tests
         shell: bash
         run: |
-          # The test action sets SOFA_PLUGIN_PATH to build_dir/lib (or /bin on Windows) only.
-          # Copying the ConstraintGeometry library there makes it discoverable without
-          # affecting the release artifact (which is uploaded from WORKSPACE_INSTALL_PATH).
+          # The test action sets SOFA_PLUGIN_PATH to build_dir/bin (Windows) or build_dir/lib (Linux/macOS).
+          # We use WORKSPACE_ARTIFACT_PATH as build_dir because its bin/ and lib/ subdirectories already
+          # exist (populated by the artifact download step) and contain CollisionAlgorithm.
+          # The release artifact was already uploaded before this step, so adding ConstraintGeometry
+          # here does not contaminate the CollisionAlgorithm release.
           if [[ "$RUNNER_OS" == "Windows" ]]; then
-            # build/bin does not exist; SOFA silently skips it and scans build/ directly.
-            # CollisionAlgorithm.dll lives in build/, so we place ConstraintGeometry alongside it.
-            cp $GITHUB_WORKSPACE/downstream/ConstraintGeometry/install/bin/ConstraintGeometry.dll $WORKSPACE_BUILD_PATH/
+            cp $GITHUB_WORKSPACE/downstream/ConstraintGeometry/install/bin/ConstraintGeometry.dll $WORKSPACE_ARTIFACT_PATH/bin/
           else
-            cp $GITHUB_WORKSPACE/downstream/ConstraintGeometry/install/lib/libConstraintGeometry.* $WORKSPACE_BUILD_PATH/lib/
+            cp $GITHUB_WORKSPACE/downstream/ConstraintGeometry/install/lib/libConstraintGeometry.* $WORKSPACE_ARTIFACT_PATH/lib/
           fi
 
       - name: Launch test
@@ -135,7 +135,7 @@ jobs:
           sofa_root: ${{ github.workspace }}/sofa
           sofa_version: ${{ steps.sofa.outputs.sofa_version }}
           src_dir: ${{ env.WORKSPACE_SRC_PATH }}
-          build_dir: ${{ env.WORKSPACE_BUILD_PATH }}
+          build_dir: ${{ env.WORKSPACE_ARTIFACT_PATH }}
           python_exe: ${{ steps.sofa.outputs.python_exe }}
           output_dir: ${{ github.workspace }}/tests-results_dir
           nb_parallel_threads: '4'