diff --git a/AGENTS.md b/AGENTS.md
index 83d90fe..ffe64cd 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -20,7 +20,7 @@ Tangle a single file:
   emacs --batch --eval "(progn (require 'org) (find-file \"org/FILE.org\") (org-babel-tangle) (kill-buffer))"
 
 Validate structural integrity:
-  sbcl --noinform --eval '(with-open-file (f "lisp/FILE.lisp") (loop (read f nil (return))))' --quit
+  emacs --batch -Q --eval '(progn (find-file "org/FILE.org") (check-parens) (kill-buffer))'
 
 Run tests:
   sbcl --noinform \
@@ -48,3 +48,4 @@ When REPL is down: fall back to the SBCL cycle above.
 - Prove RED before writing implementation
 - Validate before committing
 - If a tool fails, explain why and ask before trying alternatives
+- Before shipping a version, run the `** File Update Checklist` in `docs/ROADMAP.org`
diff --git a/projects/passepartout b/projects/passepartout
index 639bc34..791a0f9 160000
--- a/projects/passepartout
+++ b/projects/passepartout
@@ -1 +1 @@
-Subproject commit 639bc348d96ee52359e4fb97dd7b0d9000a64a0f
+Subproject commit 791a0f9c3badc55529fa2c83d95621d53d511407