ci: add GitHub Actions workflow for API and UI tests

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: adamcegielka

.github/workflows/tests.yml

@@ -0,0 +1,58 @@
+name: Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+
+  api-tests:
+    name: API Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Run API tests
+        run: pytest tests/api/ -m api -v
+
+      - name: Upload API report
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: api-report
+          path: report.html
+
+  ui-tests:
+    name: UI Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Install Playwright browsers
+        run: playwright install chromium --with-deps
+
+      - name: Run UI tests
+        run: pytest tests/ui/ -m ui -v
+
+      - name: Upload UI report
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: ui-report
+          path: report.html