allowing default empty string to pass the test

autogpt_platform/backend/backend/data/graph.py

@@ -293,7 +293,6 @@ class GraphModel(Graph):
                     ) or (
                         "default" in field_schema
                         and field_schema["default"] is not None
-                        and str(field_schema["default"]).strip() != ""
                     )
                     must_have_value = field_name in required_fields
 

autogpt_platform/frontend/src/hooks/useAgentGraph.ts

@@ -414,11 +414,8 @@ export default function useAgentGraph(
 
             // Check if dependent field has value
             const hasValue =
-              (inputData[key] != null &&
-                String(inputData[key]).trim() !== "") ||
-              ("default" in schema &&
-                schema.default != null &&
-                String(schema.default).trim() !== "");
+              inputData[key] != null ||
+              ("default" in schema && schema.default != null);
 
             const mustHaveValue = node.data.inputSchema.required?.includes(key);