add GH Actions

.github/workflows/lint.yml

@@ -0,0 +1,43 @@
+name: Lint and Type Check
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  lint-and-typecheck:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.13"]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+      with:
+        version: "latest"
+
+    - name: Install dependencies
+      run: |
+        uv sync --extra 'dev'
+
+    - name: Run ruff check
+      run: |
+        uv run ruff check .
+
+    - name: Run ruff format check
+      run: |
+        uv run ruff format --check .
+
+    - name: Run mypy
+      run: |
+        uv run mypy .

pyproject.toml

@@ -12,6 +12,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "httpx>=0.28.1",
+    "mypy>=1.14.0",
     "pyright>=1.1.401",
     "pytest>=8.3.5",
     "pytest-asyncio>=1.0.0",