test: add pytest verification suite and gitea ci workflow

.gitea/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install openai pillow python-dotenv fastapi uvicorn pytest httpx
+
+      - name: Compile check
+        run: |
+          python -m py_compile main.py screenjob.py src/*.py tests/*.py
+
+      - name: Run tests
+        env:
+          OPENAI_API_KEY: test_key
+          SCREENJOB_TOKEN: test_token
+        run: |
+          pytest -q