install python package in ci

Author: latentCall145

.github/workflows/ci.yml

@@ -23,6 +23,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
+      - run: python -m pip install -e .
       - run: npm install
       - run: npm run typecheck
       - run: npm run test