Add no-commit-to-branch hook to prevent direct commits to main (#1149)

Co-authored-by: Claude <noreply@anthropic.com>

.github/workflows/run-static.yml

@@ -44,3 +44,5 @@ jobs:
         run: uv sync --dev
       - name: Run pre-commit
         uses: pre-commit/action@v3.0.1
+        env:
+          SKIP: no-commit-to-branch

.pre-commit-config.yaml

@@ -27,3 +27,9 @@ repos:
     hooks:
       - id: pyright-pretty
         files: ^src/|^tests/
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: no-commit-to-branch
+        args: [--branch, main]