Pre-commit and Github workflows were added.

.github/workflows/ci.yml

@@ -0,0 +1,81 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    name: Lint & typecheck
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup uv
+        uses: astral-sh/setup-uv@v8
+        with:
+          enable-cache: true
+          cache-dependency-glob: uv.lock
+
+      - name: Install Python
+        run: uv python install
+
+      - name: Sync dev dependencies
+        run: uv sync --group dev --frozen
+
+      - name: Ruff check
+        run: uv run ruff check src tests
+
+      - name: Ruff format check
+        run: uv run ruff format --check src tests
+
+      - name: Mypy
+        run: uv run mypy src
+
+  test-unit:
+    name: Unit tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup uv
+        uses: astral-sh/setup-uv@v8
+        with:
+          enable-cache: true
+          cache-dependency-glob: uv.lock
+
+      - name: Install Python
+        run: uv python install
+
+      - name: Sync dev dependencies
+        run: uv sync --group dev --frozen
+
+      - name: Run unit tests
+        run: uv run pytest -m "not integration"
+
+  test-integration:
+    name: Integration tests (testcontainers)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup uv
+        uses: astral-sh/setup-uv@v8
+        with:
+          enable-cache: true
+          cache-dependency-glob: uv.lock
+
+      - name: Install Python
+        run: uv python install
+
+      - name: Sync dev dependencies
+        run: uv sync --group dev --frozen
+
+      - name: Run integration tests
+        run: uv run pytest -m integration

.pre-commit-config.yaml

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+# Local hooks run through `uv run` so they use the pinned tool versions
+# from uv.lock (ruff/mypy in the `dev` group). Install with: uv run pre-commit install
+
+minimum_pre_commit_version: "4.0.0"
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-toml
+      - id: check-added-large-files
+      - id: check-merge-conflict
+      - id: mixed-line-ending
+        args: [--fix=lf]
+
+  - repo: local
+    hooks:
+      - id: ruff-check
+        name: ruff check (autofix)
+        entry: uv run ruff check --fix --exit-non-zero-on-fix
+        language: system
+        types: [python]
+        require_serial: true
+
+      - id: ruff-format
+        name: ruff format
+        entry: uv run ruff format
+        language: system
+        types: [python]
+        require_serial: true
+
+      - id: mypy
+        name: mypy (src)
+        entry: uv run mypy src
+        language: system
+        types: [python]
+        pass_filenames: false