feat(i18n): replace Chinese UI text in Step4Report.vue render functions

Only UI display text is replaced. Regex parsing patterns are kept as-is
since they match the backend output format.

locales/zh.json

@@ -213,7 +213,39 @@
     "waitingForReportAgent": "Waiting for Report Agent...",
     "collapse": "收起 ▲",
     "expandAll": "展开全部 {count} 条 ▼",
-    "expandAllEntities": "展开全部 {count} 个 ▼"
+    "expandAllEntities": "展开全部 {count} 个 ▼",
+    "scenarioLabel": "预测场景: ",
+    "tabKeyFacts": "当前关键记忆 ({count})",
+    "tabCoreEntities": "核心实体 ({count})",
+    "tabRelationChains": "关系链 ({count})",
+    "tabSubQueries": "子问题 ({count})",
+    "panelKeyFacts": "时序记忆中所关联的最新关键事实",
+    "totalCount": "共 {count} 条",
+    "totalEntityCount": "共 {count} 个",
+    "panelCoreEntities": "核心实体",
+    "factCount": "{count}条",
+    "panelRelationChains": "关系链",
+    "panelSubQueries": "漂移查询生成分析子问题",
+    "emptyKeyFacts": "暂无当前关键记忆",
+    "emptyCoreEntities": "暂无核心实体",
+    "emptyRelationChains": "暂无关系链",
+    "tabActiveFacts": "当前有效记忆 ({count})",
+    "tabHistoricalFacts": "历史记忆 ({count})",
+    "tabEntities": "涉及实体 ({count})",
+    "panelActiveFacts": "当前有效记忆",
+    "emptyActiveFacts": "暂无当前有效记忆",
+    "panelHistoricalFacts": "历史记忆",
+    "emptyHistoricalFacts": "暂无历史记忆",
+    "panelEntities": "涉及实体",
+    "emptyEntities": "暂无涉及实体",
+    "searchLabel": "搜索: ",
+    "tabFacts": "事实 ({count})",
+    "tabEdges": "关系 ({count})",
+    "tabNodes": "节点 ({count})",
+    "panelSearchResults": "搜索结果",
+    "emptySearchResults": "未找到相关结果",
+    "panelRelatedEdges": "相关关系",
+    "panelRelatedNodes": "相关节点"
   },
   "step5": {
     "interactiveTools": "Interactive Tools",