Flatten package layout and add Gitea CI

.gitea/workflows/ci.yml

@@ -0,0 +1,62 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  backend:
+    name: Backend
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: https://github.com/actions/checkout@v4
+
+      - name: Set up Python
+        uses: https://github.com/actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: Install backend dependencies
+        working-directory: backend
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -e .[dev]
+          python -m pip install build
+
+      - name: Test backend
+        working-directory: backend
+        run: python -m pytest
+
+      - name: Build backend package
+        working-directory: backend
+        run: python -m build
+
+  cli:
+    name: CLI
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: https://github.com/actions/checkout@v4
+
+      - name: Set up Python
+        uses: https://github.com/actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: Install CLI dependencies
+        working-directory: cli
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -e .[dev]
+          python -m pip install build
+
+      - name: Test CLI
+        working-directory: cli
+        run: python -m pytest
+
+      - name: Build CLI package
+        working-directory: cli
+        run: python -m build