diff --git a/hosts/idols-ai/preservation.nix b/hosts/idols-ai/preservation.nix
index 1a911655..a6629409 100644
--- a/hosts/idols-ai/preservation.nix
+++ b/hosts/idols-ai/preservation.nix
@@ -176,6 +176,7 @@ in
         ".agents" # skills for all agents
         ".config/agents"
         ".codex"
+        ".dsh" # DeepSeek Harness
         ".pi"
         ".config/opencode"
         ".local/share/opencode"