fix(ValueChain): 修复相关公司链接跳转错误问题

- 修复参数名：stock_code → scode（与公司页面参数一致）
- 修复跳转方式：window.location.href → window.open 新开标签页

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/Company/components/CompanyOverview/DeepAnalysisTab/organisms/ValueChainNodeCard/RelatedCompaniesModal.tsx

@@ -246,7 +246,7 @@ const RelatedCompaniesModal: React.FC<RelatedCompaniesModalProps> = ({
                                 variant="ghost"
                                 colorScheme="blue"
                                 onClick={() => {
-                                  window.location.href = `/company?stock_code=${company.stock_code}`;
+                                  window.open(`/company?scode=${company.stock_code}`, '_blank');
                                 }}
                                 aria-label="查看公司详情"
                               />