diff --git a/module/home-manager.nix b/module/home-manager.nix
index 6a2ae41..f7a2b0c 100644
--- a/module/home-manager.nix
+++ b/module/home-manager.nix
@@ -10,6 +10,9 @@
     firecrawlApiKey = "$FIRECRAWL_API_KEY";
     firecrawlFreshScrape = true;
   };
+  home.file.".pi/agent/extensions/subagent/config.json".text = builtins.toJSON {
+    artifactDir = "session";
+  };
   home.file.".pi/agent/extensions/guardrails.json".text = builtins.toJSON {
     version = "0.13.0-20260619";
     features = {