WP-0039: document the absolute script path for the attended lane

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 151606@bnt-lap001
Assistant-Session: 3c0a4ad5-bb8b-4bf7-b9f0-fa5f29204e48

scripts/wp0039-seed-worker-tokens.sh

@@ -6,7 +6,8 @@
 #   BAO_ADDR=http://127.0.0.1:18200 VAULT_ADDR=http://127.0.0.1:18200 \
 #     WP0039_STATUS=$HOME/.local/state/wp0039-seed.status \
 #     warden access openbao-platform-admin-login --exec -- \
-#     sh scripts/wp0039-seed-worker-tokens.sh
+#     sh "$PWD/scripts/wp0039-seed-worker-tokens.sh"   # absolute path: warden's
+#     caller shell may sit outside the repo, and a missing file counts as output
 #
 # Silent by design: warden fails closed on any child output. The value is
 # generated inside a pipe and sent to bao on stdin, so it never appears in