docs(github): update CONTRIBUTING.md

remarkablemark · remarkablemark · commit 185821286dd3 · 2026-02-23T19:04:14.000-05:00
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
@@ -134,6 +134,12 @@ Format all files:
 uv run ruff format
 ```
 
+Run type checking:
+
+```sh
+uv run mypy .
+```
+
 ## Run
 
 Run the CLI:
