fix: add pre commit hook

.githooks/pre-commit

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -e
+
+branch=$(git rev-parse --abbrev-ref HEAD)
+
+# Only enforce preflight on dev and main
+if [ "$branch" != "dev" ] && [ "$branch" != "main" ]; then
+  exit 0
+fi
+
+# Only run preflight if Go files were staged
+if git diff --cached --name-only | grep -q '\.go$'; then
+  echo "Go files staged on $branch — running make preflight..."
+  make preflight
+else
+  echo "No Go files staged, skipping preflight."
+fi