diff --git a/install.sh b/install.sh
index 0250fd9..ad6c609 100755
--- a/install.sh
+++ b/install.sh
@@ -233,7 +233,11 @@ fi
 # target/release/ regardless of profile (lib-substrate.sh), so PATH wiring
 # is meaningful for every profile except minimal-without-prebuilt.
 if [ "$NO_PATHWAY" != "1" ]; then
-  if [ "$WITH_PATHWAY" = "1" ] || { [ -t 0 ] && [ -t 1 ]; }; then
+  # Gate on interactive stdin only — NOT -t 1: curl|bash tees stdout to a
+  # logfile, so -t 1 is false even interactively. Requiring it skipped PATH
+  # wiring (~/.claude/bin), so the `kei` entry-point was not found after a
+  # curl|bash install. (Same tee/-t1 trap as the onboarding gates.)
+  if [ "$WITH_PATHWAY" = "1" ] || [ -t 0 ]; then
     pathway_install
   fi
 fi
diff --git a/install/lib-menu.sh b/install/lib-menu.sh
index 3f2b18c..c6a0259 100644
--- a/install/lib-menu.sh
+++ b/install/lib-menu.sh
@@ -17,8 +17,7 @@ menu_should_skip() {
   [ -n "$ADD_LIST" ]     && return 0
   [ -n "$REMOVE_NAME" ]  && return 0
   [ "$LIST_MODE" = "1" ] && return 0
-  [ ! -t 0 ]             && return 0
-  [ ! -t 1 ]             && return 0
+  [ ! -t 0 ]             && return 0   # interactive stdin only; not -t 1 (curl|bash tees stdout)
   return 1
 }
 
diff --git a/install/lib-wizard.sh b/install/lib-wizard.sh
index 5b475ee..f43716b 100644
--- a/install/lib-wizard.sh
+++ b/install/lib-wizard.sh
@@ -10,7 +10,7 @@
 
 run_sleep_wizard() {
   local sleep_helper="$AGENTS_DIR/_primitives/kei-sleep-setup.sh"
-  if [[ -x "$sleep_helper" ]] && [ -t 0 ] && [ -t 1 ]; then
+  if [[ -x "$sleep_helper" ]] && [ -t 0 ]; then  # stdin only; not -t 1 (curl|bash tees stdout)
     say "running sleep-sync setup helper"
     "$sleep_helper" || warn "sleep-sync setup did not complete — re-run via /sleep-setup"
   else