[WIP] workflow builder

packs/core/actions/echo.yaml

@@ -19,13 +19,11 @@ parameter_format: dotenv
 # Output format: text (no structured data parsing)
 output_format: text
 
-# Action parameters schema (standard JSON Schema format)
+# Action parameters schema (StackStorm-style: inline required/secret per parameter)
 parameters:
-  type: object
-  properties:
-    message:
-      type: string
-      description: "Message to echo (empty string if not provided)"
+  message:
+    type: string
+    description: "Message to echo (empty string if not provided)"
 
 # Output schema: not applicable for text output format
 # The action outputs plain text to stdout