added workflow running python tests

.gitea/workflows/lint-python.yml

@@ -1,4 +1,4 @@
-name: Lint & Format (Python)
+name: Python
 
 on:
     pull_request:
@@ -32,3 +32,34 @@ jobs:
               run: |
                   . .venv/bin/activate
                   ruff check .
+
+    test:
+        runs-on: alpine
+        container: node:26-alpine
+
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
+            - name: Install tools
+              run: |
+                  apk add --no-cache \
+                    git \
+                    python3 \
+                    py3-pip \
+                    py3-pillow \
+                    build-base
+                  python3 -m venv .venv
+                  . .venv/bin/activate
+                  pip install --no-cache-dir \
+                    typer \
+                    pillow \
+                    materialyoucolor \
+                    jinja2 \
+                    pytest
+
+            - name: Test
+              run: |
+                  . .venv/bin/activate
+                  cd cli
+                  python -m pytest tests/ -v