ci: add separate jobs for Windows and macOS testing

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ on:
     branches: [main]
 
 jobs:
-  test:
+  test-linux:
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -20,6 +20,26 @@ jobs:
       - run: pip install -e ".[dev]"
       - run: python -m pytest tests/ -v --cov=mempalace --cov-report=term-missing --cov-fail-under=30
 
+  test-windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.9"
+      - run: pip install -e ".[dev]"
+      - run: python -m pytest tests/ -v --cov=mempalace --cov-report=term-missing --cov-fail-under=30
+
+  test-macos:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.9"
+      - run: pip install -e ".[dev]"
+      - run: python -m pytest tests/ -v --cov=mempalace --cov-report=term-missing --cov-fail-under=30
+
   lint:
     runs-on: ubuntu-latest
     steps: