fix: test_pricing结果用subwidgets控件数组渲染

- dspy: items改为Text控件数组([{widgettype:Text, options:{text:json}}])
- ui: status_of.ok改为VScrollPanel+subwidgets引用items
- 解决之前返回纯文本字符串无法渲染为bricks控件的问题

wwwroot/test_pricing_program.dspy

@@ -4,19 +4,24 @@ try:
 	if isinstance(data, str):
 		data = json.loads(data)
 	x = await buffered_charging(ppid, data)
-	items = []
+	subwidgets = []
 	if isinstance(x, list):
 		for r in x:
-			items.append(json.dumps(r, ensure_ascii=False))
+			subwidgets.append({
+				"widgettype": "Text",
+				"options": {"text": json.dumps(r, ensure_ascii=False), "width": "100%"}
+			})
 	else:
-		items.append(json.dumps(x, ensure_ascii=False))
-	result_text = '\n\n'.join(items)
+		subwidgets.append({
+			"widgettype": "Text",
+			"options": {"text": json.dumps(x, ensure_ascii=False), "width": "100%"}
+		})
 	return {
 		"status": "ok",
 		"data": {
 			"ppid": ppid,
 			"data": data,
-			"items": result_text
+			"items": subwidgets
 		}
 	}
 except Exception as e:

wwwroot/test_pricing_program.ui

@@ -49,11 +49,12 @@
 			},
 			"status_of": {
 				"ok": {
-					"widgettype": "Text",
+					"widgettype": "VScrollPanel",
 					"options":{
 						"width": "100%",
-						"text": "${items}"
-					}
+						"height": "100%"
+					},
+					"subwidgets": "${items}"
 				},
 				"error": {
 					"widgettype": "Text",