add version note

Author: johnstcn

docs/data-sources/ai_task_prompt.md

@@ -17,6 +17,10 @@ Use this data source to read information about Coder tasks.
 
 ### Read-Only
 
-- `enabled` (Boolean) True when executing in a Coder Task context, false when in a Coder Workspace context
+- `enabled` (Boolean) True when executing in a Coder Task context, false when in a Coder Workspace context.
+
+->This field is only populated in Coder v2.28 and later.
 - `id` (String) The UUID of the task, if executing in a Coder Task context. Empty in a Coder Workspace context.
 - `value` (String) The prompt text provided to the task by Coder, if executing in a Coder Task context. Empty in a Coder Workspace context.
+
+->This field is only populated in Coder v2.28 and later.

provider/ai_task.go

@@ -146,12 +146,12 @@ func aiTaskPromptDatasource() *schema.Resource {
 			"value": {
 				Type:        schema.TypeString,
 				Computed:    true,
-				Description: "The prompt text provided to the task by Coder, if executing in a Coder Task context. Empty in a Coder Workspace context.",
+				Description: "The prompt text provided to the task by Coder, if executing in a Coder Task context. Empty in a Coder Workspace context.\n\n->This field is only populated in Coder v2.28 and later.",
 			},
 			"enabled": {
 				Type:        schema.TypeBool,
 				Computed:    true,
-				Description: "True when executing in a Coder Task context, false when in a Coder Workspace context",
+				Description: "True when executing in a Coder Task context, false when in a Coder Workspace context.\n\n->This field is only populated in Coder v2.28 and later.",
 			},
 		},
 	}