multi platform gf wf

.github/workflows/base.yml

@@ -32,20 +32,35 @@ jobs:
       run: |
         python -m pip install uv
 
+    - name: Create virtual environment with uv
+      run: |
+        uv venv .venv
+
+    - name: Activate virtual environment
+      run: |
+        source .venv/bin/activate
+
     - name: Install dependencies with uv
       run: |
-        uv pip install .
+        uv pip install transformers>=4.0.0
+        uv pip install . --system
 
-    - name: Set PYTHONPATH (Unix)
-      if: runner.os != 'Windows'
+    - name: Add nanochat to PYTHONPATH
       run: |
         echo "PYTHONPATH=$(pwd):$PYTHONPATH" >> $GITHUB_ENV
 
-    - name: Set PYTHONPATH (Windows)
-      if: runner.os == 'Windows'
+    - name: Install pytest
       run: |
-        echo "PYTHONPATH=$PWD;$env:PYTHONPATH" >> $env:GITHUB_ENV
+        python -m pip install pytest
 
     - name: Run pytest
       run: |
-        PYTHONPATH=$PYTHONPATH uv run pytest tests/ --maxfail=5 --disable-warnings
+        python -m pytest tests/ --maxfail=5 --disable-warnings
+
+    - name: Cache pip dependencies
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/pyproject.toml') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-