增加请求阶段 DNS 解析校验,阻断重绑定到私网 补充默认透传 WWW-Authenticate 头,保留认证挑战 前端相对 URL 过滤拒绝 // 协议相对路径 测试: go test ./internal/repository -run TestGitHubReleaseServiceSuite 测试: go test ./internal/repository -run TestTurnstileServiceSuite 测试: go test ./internal/repository -run TestProxyProbeServiceSuite 测试: go test ./internal/repository -run TestClaudeUsageServiceSuite