diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..66ee525
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "shell"]
+	path = shell
+	url = git@git.syui.ai:ai/shell
diff --git a/shell b/shell
new file mode 160000
index 0000000..81ae003
--- /dev/null
+++ b/shell
@@ -0,0 +1 @@
+Subproject commit 81ae0037d9d58669dc6bc202881fca5254ba5bf4