diff --git a/scripts/bao-session.sh b/scripts/bao-session.sh
index acf1f44..010a6c6 100755
--- a/scripts/bao-session.sh
+++ b/scripts/bao-session.sh
@@ -65,9 +65,9 @@ cmd_status() {
 }
 
 cmd_login() {
-    if [[ ! -t 0 ]]; then
-        red "login needs an interactive terminal."; exit 2
-    fi
+    # No TTY guard: the OIDC flow reads nothing from stdin. It starts a local
+    # callback listener, prints a URL, and waits for the browser to complete it,
+    # so this works fine from a non-interactive invocation.
     echo "Opening OIDC login. Under WSL2 no browser will launch —"
     echo "copy the URL below into your Windows browser, then come back here."
     echo