add warning when image distro is not configured as wolfi

libs/cli/langgraph_cli/util.py

@@ -1,2 +1,25 @@
+import click
+
+
 def clean_empty_lines(input_str: str):
     return "\n".join(filter(None, input_str.splitlines()))
+
+
+def warn_non_wolfi_distro(config_json: dict) -> None:
+    """Show warning if image_distro is not set to 'wolfi'."""
+    image_distro = config_json.get("image_distro", "debian")  # Default is debian
+    if image_distro != "wolfi":
+        click.secho(
+            "⚠️  Security Recommendation: Consider switching to Wolfi Linux for enhanced security.",
+            fg="yellow",
+            bold=True,
+        )
+        click.secho(
+            "   Wolfi is a security-oriented, minimal Linux distribution designed for containers.",
+            fg="yellow",
+        )
+        click.secho(
+            "   To switch, add '\"image_distro\": \"wolfi\"' to your langgraph.json config file.",
+            fg="yellow",
+        )
+        click.secho("")  # Empty line for better readability