add linting CI

Author: cjber

.github/workflows/lint.yml

@@ -0,0 +1,49 @@
+name: Linter
+
+on: [push, pull_request]
+
+env:
+  PYTHON_VERSION: "3.12"
+  UV_VERSION: "0.7.8"
+  UV_PROJECT_ENVIRONMENT: .venv
+  RUFF_VERSION: "0.11.2"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check:
+    strategy:
+      fail-fast: true
+
+    name: Linter
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@22695119d769bdb6f7032ad67b9bca0ef8c4a174 # v5
+
+      - name: Install Python
+        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+        with:
+          cache: true
+          cache-dependency-path: "uv.lock" # Update cache if uv.lock changes
+
+      - name: Install the project
+        run: uv sync --all-extras --dev
+
+      - name: Configure path
+        run: echo "$PWD/.venv/bin" >> $GITHUB_PATH
+
+      - name: Run Ruff linter
+        run: uv run ruff check --output-format=github .
+
+      - name: Run Ruff formatter
+        run: uv run ruff format --check .
+
+      - name: Run Pyright check
+        uses: jakebailey/pyright-action@b5d50e5cde6547546a5c4ac92e416a8c2c1a1dfe # v2.3.2
+        with:
+          version: PATH