refactor: 模型上线检查UI改为VScrollPanel+HBox按钮布局

- UI: 检查结果区域改为VScrollPanel(filler)，两个按钮用HBox并排
- check_pricing_program.dspy: 优先显示display_text字段，回退到name字段

wwwroot/check_pricing_program.dspy

@@ -19,7 +19,11 @@ else:
         pregs = await psor.sqlExe(
             "select * from pricing_program where id=${ppid}$", {'ppid': ppid})
         if pregs:
-            text = f"✅ 定价项目(pricing_program): {pregs[0].name} (id={ppid})"
+            p = pregs[0]
+            display_name = getattr(p, 'display_text', '') or getattr(p, 'name', '')
+            text = f"✅ 定价项目(pricing_program): {display_name}"
+            if hasattr(p, 'id'):
+                text += f" (id={p.id})"
         else:
             text = f"❌ 定价项目(pricing_program): ppid={ppid} 未找到"
 

wwwroot/llm_launch_check.ui

@@ -15,6 +15,13 @@
 				"level": 2
 			}
 		},
+		{
+			"widgettype": "VScrollPanel",
+			"options": {
+				"css": "filler",
+				"width": "100%"
+			},
+			"subwidgets": [
 				{
 					"widgettype": "Text",
 					"options": {
@@ -80,14 +87,6 @@
 						}
 					]
 				},
-		{
-			"widgettype": "Button",
-			"options": {
-				"name": "test_btn",
-				"label": "体验一次",
-				"i18n": false
-			}
-		},
 				{
 					"widgettype": "Text",
 					"options": {
@@ -96,14 +95,6 @@
 						"i18n": false
 					}
 				},
-		{
-			"widgettype": "Button",
-			"options": {
-				"name": "charge_btn",
-				"label": "检查计费",
-				"i18n": false
-			}
-		},
 				{
 					"widgettype": "Text",
 					"options": {
@@ -112,6 +103,33 @@
 						"i18n": false
 					}
 				}
+			]
+		},
+		{
+			"widgettype": "HBox",
+			"options": {
+				"spacing": 10,
+				"alignItems": "center"
+			},
+			"subwidgets": [
+				{
+					"widgettype": "Button",
+					"options": {
+						"name": "test_btn",
+						"label": "体验一次",
+						"i18n": false
+					}
+				},
+				{
+					"widgettype": "Button",
+					"options": {
+						"name": "charge_btn",
+						"label": "检查计费",
+						"i18n": false
+					}
+				}
+			]
+		}
 	],
 	"binds": [
 		{