fix macos x64 conda artifacts

Ensure macOS x64 jobs run on an Intel runner and pass the matrix platform through to rattler-build so package metadata matches the uploaded artifact.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/conda-pack-build.yml

@@ -43,7 +43,7 @@ jobs:
             platform: linux-64
             env_file: unilabos-linux-64.yaml
             script_ext: sh
-          - os: macos-15 # Intel (via Rosetta)
+          - os: macos-15-intel # Intel x86_64
             platform: osx-64
             env_file: unilabos-osx-64.yaml
             script_ext: sh

.github/workflows/multi-platform-build.yml

@@ -63,7 +63,7 @@ jobs:
           - os: ubuntu-latest
             platform: linux-64
             env_file: unilabos-linux-64.yaml
-          - os: macos-15 # Intel (via Rosetta)
+          - os: macos-15-intel # Intel x86_64
             platform: osx-64
             env_file: unilabos-osx-64.yaml
           - os: macos-latest # ARM64
@@ -127,11 +127,7 @@ jobs:
       - name: Build conda package
         if: steps.should_build.outputs.should_build == 'true'
         run: |
-          if [[ "${{ matrix.platform }}" == "osx-arm64" ]]; then
+          rattler-build build -r ./recipes/msgs/recipe.yaml --target-platform ${{ matrix.platform }} -c robostack -c robostack-staging -c conda-forge
-            rattler-build build -r ./recipes/msgs/recipe.yaml -c robostack -c robostack-staging -c conda-forge
-          else
-            rattler-build build -r ./recipes/msgs/recipe.yaml -c robostack -c robostack-staging -c conda-forge
-          fi
 
       - name: List built packages
         if: steps.should_build.outputs.should_build == 'true'

.github/workflows/unilabos-conda-build.yml

@@ -59,7 +59,7 @@ jobs:
         include:
           - os: ubuntu-latest
             platform: linux-64
-          - os: macos-15 # Intel (via Rosetta)
+          - os: macos-15-intel # Intel x86_64
             platform: osx-64
           - os: macos-latest # ARM64
             platform: osx-arm64
@@ -128,7 +128,7 @@ jobs:
         if: steps.should_build.outputs.should_build == 'true'
         run: |
           echo "Building unilabos-env (conda environment dependencies)..."
-          rattler-build build -r .conda/environment/recipe.yaml -c uni-lab -c robostack-staging -c conda-forge
+          rattler-build build -r .conda/environment/recipe.yaml --target-platform ${{ matrix.platform }} -c uni-lab -c robostack-staging -c conda-forge
 
       - name: Upload unilabos-env to Anaconda.org (if enabled)
         if: |
@@ -148,7 +148,7 @@ jobs:
         run: |
           echo "Building unilabos package..."
           # 如果已上传到 Anaconda，从 uni-lab channel 获取 unilabos-env；否则从本地 output 获取
-          rattler-build build -r .conda/base/recipe.yaml -c uni-lab -c robostack-staging -c conda-forge --channel ./output
+          rattler-build build -r .conda/base/recipe.yaml --target-platform ${{ matrix.platform }} -c uni-lab -c robostack-staging -c conda-forge --channel ./output
 
       - name: Upload unilabos to Anaconda.org (if enabled)
         if: |
@@ -170,7 +170,7 @@ jobs:
           github.event.inputs.build_full == 'true'
         run: |
           echo "Building unilabos-full package on ${{ matrix.platform }}..."
-          rattler-build build -r .conda/full/recipe.yaml -c uni-lab -c robostack-staging -c conda-forge --channel ./output
+          rattler-build build -r .conda/full/recipe.yaml --target-platform ${{ matrix.platform }} -c uni-lab -c robostack-staging -c conda-forge --channel ./output
 
       - name: Upload unilabos-full to Anaconda.org (if enabled)
         if: |