fix: Text widgets use 'text' not 'label', Button widgets use 'label' not 'text'

Per bricks-framework spec:
- Text/Title: use 'text' for non-i18n, 'otext'+'i18n:true' for i18n
- Button: use 'label' for button text

wwwroot/contract_detail.ui

@@ -15,12 +15,12 @@
                 {
                     "widgettype": "Button",
                     "options": {
-            "text": "返回列表",
                         "styleType": "default",
                         "style": {
                             "marginLeft": "20px",
                             "marginTop": "8px"
-            }
+                        },
+                        "label": "返回列表"
                     },
                     "binds": [
                         {
@@ -40,12 +40,12 @@
                 {
                     "widgettype": "Button",
                     "options": {
-            "text": "编辑合同",
                         "styleType": "primary",
                         "style": {
                             "marginRight": "20px",
                             "marginTop": "8px"
-            }
+                        },
+                        "label": "编辑合同"
                     },
                     "binds": [
                         {

wwwroot/contract_list.ui

@@ -2,20 +2,59 @@
     "widgettype": "Page",
     "options": {
         "title": "合同管理",
-    "style": {"height": "100vh", "padding": "0"}
+        "style": {
+            "height": "100vh",
+            "padding": "0"
+        }
     },
     "subwidgets": [
         {
             "widgettype": "VBox",
-      "options": {"style": {"padding": "16px", "flex": 1, "overflow": "hidden"}},
+            "options": {
+                "style": {
+                    "padding": "16px",
+                    "flex": 1,
+                    "overflow": "hidden"
+                }
+            },
             "subwidgets": [
                 {
                     "widgettype": "HBox",
-          "options": {"style": {"marginBottom": "16px", "gap": "8px"}},
+                    "options": {
+                        "style": {
+                            "marginBottom": "16px",
+                            "gap": "8px"
+                        }
+                    },
                     "subwidgets": [
-            {"widgettype": "TextField", "id": "search_keyword", "options": {"label": "搜索", "placeholder": "合同编号/名称", "style": {"flex": 1}}},
+                        {
-            {"widgettype": "Button", "id": "btn_search", "options": {"text": "搜索", "variant": "primary"}},
+                            "widgettype": "TextField",
-            {"widgettype": "Button", "id": "btn_add", "options": {"text": "新增", "variant": "primary", "action": "navigate('main/contract_management/contract_edit.ui')"}}
+                            "id": "search_keyword",
+                            "options": {
+                                "label": "搜索",
+                                "placeholder": "合同编号/名称",
+                                "style": {
+                                    "flex": 1
+                                }
+                            }
+                        },
+                        {
+                            "widgettype": "Button",
+                            "id": "btn_search",
+                            "options": {
+                                "variant": "primary",
+                                "label": "搜索"
+                            }
+                        },
+                        {
+                            "widgettype": "Button",
+                            "id": "btn_add",
+                            "options": {
+                                "variant": "primary",
+                                "action": "navigate('main/contract_management/contract_edit.ui')",
+                                "label": "新增"
+                            }
+                        }
                     ]
                 },
                 {
@@ -23,22 +62,75 @@
                     "id": "contract_grid",
                     "options": {
                         "url": "{{entire_url('api/contract_list.dspy')}}",
-            "style": {"flex": 1},
+                        "style": {
+                            "flex": 1
+                        },
                         "columns": [
-              {"field": "contract_number", "header": "合同编号", "width": 140},
+                            {
-              {"field": "title", "header": "合同名称", "width": 200},
+                                "field": "contract_number",
-              {"field": "party_a", "header": "甲方", "width": 150},
+                                "header": "合同编号",
-              {"field": "party_b", "header": "乙方", "width": 150},
+                                "width": 140
-              {"field": "contract_type", "header": "类型", "width": 100},
+                            },
-              {"field": "amount", "header": "金额", "width": 120},
+                            {
-              {"field": "start_date", "header": "开始日期", "width": 110},
+                                "field": "title",
-              {"field": "end_date", "header": "结束日期", "width": 110},
+                                "header": "合同名称",
-              {"field": "status", "header": "状态", "width": 90}
+                                "width": 200
+                            },
+                            {
+                                "field": "party_a",
+                                "header": "甲方",
+                                "width": 150
+                            },
+                            {
+                                "field": "party_b",
+                                "header": "乙方",
+                                "width": 150
+                            },
+                            {
+                                "field": "contract_type",
+                                "header": "类型",
+                                "width": 100
+                            },
+                            {
+                                "field": "amount",
+                                "header": "金额",
+                                "width": 120
+                            },
+                            {
+                                "field": "start_date",
+                                "header": "开始日期",
+                                "width": 110
+                            },
+                            {
+                                "field": "end_date",
+                                "header": "结束日期",
+                                "width": 110
+                            },
+                            {
+                                "field": "status",
+                                "header": "状态",
+                                "width": 90
+                            }
                         ],
                         "toolbar": [
-              {"type": "button", "text": "详情", "icon": "view", "action": "navigate('main/contract_management/contract_detail.ui?id={% raw %}{{selectedRow.id}}{% endraw %}')"},
+                            {
-              {"type": "button", "text": "编辑", "icon": "edit", "action": "navigate('main/contract_management/contract_edit.ui?id={% raw %}{{selectedRow.id}}{% endraw %}')"},
+                                "type": "button",
-              {"type": "button", "text": "删除", "icon": "delete", "action": "doDelete('{% raw %}{{selectedRow.id}}{% endraw %}')"}
+                                "text": "详情",
+                                "icon": "view",
+                                "action": "navigate('main/contract_management/contract_detail.ui?id={% raw %}{{selectedRow.id}}{% endraw %}')"
+                            },
+                            {
+                                "type": "button",
+                                "text": "编辑",
+                                "icon": "edit",
+                                "action": "navigate('main/contract_management/contract_edit.ui?id={% raw %}{{selectedRow.id}}{% endraw %}')"
+                            },
+                            {
+                                "type": "button",
+                                "text": "删除",
+                                "icon": "delete",
+                                "action": "doDelete('{% raw %}{{selectedRow.id}}{% endraw %}')"
+                            }
                         ]
                     }
                 }

wwwroot/index.ui

@@ -10,11 +10,11 @@
         {
             "widgettype": "Text",
             "options": {
-                "label": "合同管理",
                 "fontSize": "24px",
                 "fontWeight": "bold",
                 "color": "#1E40AF",
-                "marginBottom": "20px"
+                "marginBottom": "20px",
+                "text": "合同管理"
             }
         },
         {
@@ -49,19 +49,19 @@
                         {
                             "widgettype": "Text",
                             "options": {
-                                "label": "合同列表",
                                 "fontSize": "18px",
                                 "fontWeight": "bold",
-                                "color": "#1E40AF"
+                                "color": "#1E40AF",
+                                "text": "合同列表"
                             }
                         },
                         {
                             "widgettype": "Text",
                             "options": {
-                                "label": "查看所有合同及执行状态",
                                 "fontSize": "14px",
                                 "color": "#6B7280",
-                                "marginTop": "8px"
+                                "marginTop": "8px",
+                                "text": "查看所有合同及执行状态"
                             }
                         }
                     ]
@@ -91,19 +91,19 @@
                         {
                             "widgettype": "Text",
                             "options": {
-                                "label": "新建合同",
                                 "fontSize": "18px",
                                 "fontWeight": "bold",
-                                "color": "#059669"
+                                "color": "#059669",
+                                "text": "新建合同"
                             }
                         },
                         {
                             "widgettype": "Text",
                             "options": {
-                                "label": "创建新的合同记录",
                                 "fontSize": "14px",
                                 "color": "#6B7280",
-                                "marginTop": "8px"
+                                "marginTop": "8px",
+                                "text": "创建新的合同记录"
                             }
                         }
                     ]
@@ -133,19 +133,19 @@
                         {
                             "widgettype": "Text",
                             "options": {
-                                "label": "合同详情",
                                 "fontSize": "18px",
                                 "fontWeight": "bold",
-                                "color": "#D97706"
+                                "color": "#D97706",
+                                "text": "合同详情"
                             }
                         },
                         {
                             "widgettype": "Text",
                             "options": {
-                                "label": "查看合同详细信息及里程碑",
                                 "fontSize": "14px",
                                 "color": "#6B7280",
-                                "marginTop": "8px"
+                                "marginTop": "8px",
+                                "text": "查看合同详细信息及里程碑"
                             }
                         }
                     ]
@@ -175,19 +175,19 @@
                         {
                             "widgettype": "Text",
                             "options": {
-                                "label": "AI配置",
                                 "fontSize": "18px",
                                 "fontWeight": "bold",
-                                "color": "#7C3AED"
+                                "color": "#7C3AED",
+                                "text": "AI配置"
                             }
                         },
                         {
                             "widgettype": "Text",
                             "options": {
-                                "label": "合同AI分析配置",
                                 "fontSize": "14px",
                                 "color": "#6B7280",
-                                "marginTop": "8px"
+                                "marginTop": "8px",
+                                "text": "合同AI分析配置"
                             }
                         }
                     ]