fix(web): user memory

web/src/i18n/en.ts

@@ -2246,6 +2246,7 @@ Memory Bear: After the rebellion, regional warlordism intensified for several re
       context_details: 'Preference Details',
       supporting_evidence: 'Preference Source',
       specific_examples: 'Source',
+      wordEmpty: 'Click on a node in the left chart to view preference details'
     },
     shortTermDetail: {
       title: 'Short-term memory is the "workbench" of the AI system, connecting instant conversations with long-term knowledge bases. Through real-time capture, deep retrieval, intelligent extraction and filtering transformation, temporary unstructured information is converted into valuable long-term knowledge.',

web/src/i18n/zh.ts

@@ -2345,6 +2345,7 @@ export const zh = {
       context_details: '偏好详情',
       supporting_evidence: '偏好来源',
       specific_examples: '来源',
+      wordEmpty: '点击左侧图表中的节点查看偏好详情'
     },
     shortTermDetail: {
       title: '短期记忆是AI系统的"工作台"，连接即时对话与长期知识库。通过实时捕获、深度检索、智能提取和筛选转化，将临时的非结构化信息转化为有价值的长期知识。',