fix(cli): document the conditional --agent-framework default in help text

show_default rendered '[default: (langchain)]' even though the option is
invalid without --type agent; state the conditional default in the help
sentence instead.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: vldcmp-uipath

packages/uipath/src/uipath/_cli/cli_new.py

@@ -74,8 +74,10 @@ def generate_uipath_json(target_directory):
     "agent_framework",
     type=click.Choice([f.value for f in AgentFramework]),
     default=None,
-    show_default=DEFAULT_AGENT_FRAMEWORK.value,
-    help="Agent framework to scaffold for. Only valid together with `--type agent`.",
+    help=(
+        "Agent framework to scaffold for. Only valid together with `--type agent`; "
+        f"defaults to '{DEFAULT_AGENT_FRAMEWORK.value}' when `--type agent` is used."
+    ),
 )
 @track_command("new")
 def new(name: str, project_type: str, agent_framework: str | None):