Add CI with lint and type checks

Author: biswasbiplob

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches: ["**"]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: Install tooling
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install pytest pytest-asyncio ruff mypy
+
+      - name: Lint
+        run: ruff check .
+
+      - name: Type check
+        run: mypy
+
+      - name: Tests
+        run: pytest -q

pyproject.toml

@@ -15,4 +15,18 @@ dependencies = [
 dev = [
     "pytest>=9.0.1",
     "pytest-asyncio>=1.3.0",
+    "ruff>=0.8.0",
+    "mypy>=1.10.0",
 ]
+
+[tool.ruff]
+line-length = 100
+target-version = "py313"
+
+[tool.ruff.lint]
+select = ["E9", "F63", "F7", "F82"]
+
+[tool.mypy]
+python_version = "3.13"
+ignore_missing_imports = true
+files = ["feedback_agent/json_utils.py"]