trying runner cache

Author: neo-jesse

.github/actions/python/setup/action.yaml

@@ -51,6 +51,23 @@ runs:
         key: ${{ runner.os }}-uv-${{ hashFiles(format('{0}/uv.lock', inputs.project)) }}
         restore-keys: |
           ${{ runner.os }}-uv-
+    - shell: bash
+      run: |
+        # Pre-create cache directory that setup-uv expects to prevent post-job cleanup failures
+        # setup-uv always sets UV_CACHE_DIR and tries to clean it up, even when enable-cache: false
+        # We create it in the runner's temp directory which should persist across contexts
+        if [[ "${{ runner.os }}" == "Windows" ]]; then
+          CACHE_DIR="${{ runner.temp }}/setup-uv-cache"
+        elif [[ "${{ runner.os }}" == "macOS" ]]; then
+          CACHE_DIR="${{ runner.temp }}/setup-uv-cache"
+        else
+          CACHE_DIR="${{ runner.temp }}/setup-uv-cache"
+        fi
+        mkdir -p "$CACHE_DIR" 2>/dev/null || true
+        # Create a marker file so the directory is recognized
+        echo "placeholder" > "$CACHE_DIR/.placeholder" 2>/dev/null || true
+        # Set UV_CACHE_DIR to point to our directory so setup-uv uses it
+        echo "UV_CACHE_DIR=$CACHE_DIR" >> $GITHUB_ENV
     - uses: astral-sh/setup-uv@v7
       id: setup-uv
       with: