feat(tls): 新增 TLS 指纹模拟功能

backend/internal/handler/dto/mappers.go

@@ -161,6 +161,11 @@ func AccountFromServiceShallow(a *service.Account) *Account {
 		if idleTimeout := a.GetSessionIdleTimeoutMinutes(); idleTimeout > 0 {
 			out.SessionIdleTimeoutMin = &idleTimeout
 		}
+		// TLS指纹伪装开关
+		if a.IsTLSFingerprintEnabled() {
+			enabled := true
+			out.EnableTLSFingerprint = &enabled
+		}
 	}
 
 	return out