From 2832e01ac52e95f18c7a4414a1b1f77a2570762d Mon Sep 17 00:00:00 2001
From: Drew Ritter <drew@primeradiant.com>
Date: Thu, 6 Aug 2026 15:05:31 -0700
Subject: [PATCH] docs(plans): gate tmux ownership on creation

Keep the implementation plan's copyable tmux recipe aligned with the reviewed skill. A failed new-session now exits while ownership is false; only successful creation reaches the ownership assignment.
---
 .../plans/2026-08-06-agentic-e2e-safety-hardening.md         | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/docs/superpowers/plans/2026-08-06-agentic-e2e-safety-hardening.md b/docs/superpowers/plans/2026-08-06-agentic-e2e-safety-hardening.md
index 6439f65c..e2eb4831 100644
--- a/docs/superpowers/plans/2026-08-06-agentic-e2e-safety-hardening.md
+++ b/docs/superpowers/plans/2026-08-06-agentic-e2e-safety-hardening.md
@@ -255,7 +255,10 @@ cleanup() {
 }
 trap cleanup EXIT
 
-tmux new-session -d -s "$session" -x 200 -y 50 "$command 2>\"$stderr_log\""
+if ! tmux new-session -d -s "$session" -x 200 -y 50 "$command 2>\"$stderr_log\""; then
+  echo "failed to create tmux session: $session" >&2
+  exit 1
+fi
 session_owned=1
 tmux send-keys -t "$session" -l "literal text"
 tmux send-keys -t "$session" Enter