Introduce pyright and treat the CI job as a warning

Author: tomaskontrimas

.github/workflows/ci.yml

@@ -21,6 +21,20 @@ jobs:
         ruff check .
         ruff format --check .
 
+  typecheck:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v6
+    - name: Set up Python
+      uses: actions/setup-python@v6
+      with:
+        python-version: "3.10"
+    - name: Install pyright
+      run: pip install ".[dev]"
+    - name: Run pyright
+      run: pyright
+      continue-on-error: true
+
   test:
     runs-on: ubuntu-latest
     strategy:

pyproject.toml

@@ -42,6 +42,7 @@ Issues = "https://github.com/icecube/skyllh/issues"
 [project.optional-dependencies]
 dev = [
     "pre-commit",
+    "pyright",
 ]
 docs = [
     "sphinx<9.0.0",
@@ -76,3 +77,13 @@ convention = "numpy"
 
 [tool.ruff.format]
 quote-style = "single"
+
+[tool.pyright]
+pythonVersion = "3.10"
+typeCheckingMode = "standard"
+
+include = [
+    "skyllh",
+    "examples",
+    "tests",
+]