feat: 增强知识库索引与设置页面模块化拆分

扩展知识库索引任务和 RAG 检索支持增量入库和文档去重，优
化本体检测和规则匹配精度，前端设置页面拆分为 LLM、邮件
和 Hermes 员工同步子面板并重构样式，新增日志详情组件和
知识入库日志模型，补充单元测试覆盖。

web/src/composables/useSystemState.js

@@ -383,7 +383,8 @@ const { toast } = useToast()
 const companyProfile = computed(() => ({
   name: bootstrapState.value.company?.name || '',
   code: bootstrapState.value.company?.code || '',
-  adminEmail: bootstrapState.value.company?.admin_email || ''
+  adminEmail: bootstrapState.value.company?.admin_email || '',
+  logo: bootstrapState.value.company?.logo || ''
 }))
 
 function updateCompanyProfilePreview(payload = {}) {
@@ -395,7 +396,8 @@ function updateCompanyProfilePreview(payload = {}) {
       ...currentCompany,
       ...(payload.name !== undefined ? { name: payload.name } : {}),
       ...(payload.code !== undefined ? { code: payload.code } : {}),
-      ...(payload.adminEmail !== undefined ? { admin_email: payload.adminEmail } : {})
+      ...(payload.adminEmail !== undefined ? { admin_email: payload.adminEmail } : {}),
+      ...(payload.logo !== undefined ? { logo: payload.logo } : {})
     }
   }
 }