diff --git a/docs/roadmap.md b/docs/roadmap.md
index 5ed9128..a5d17c7 100644
--- a/docs/roadmap.md
+++ b/docs/roadmap.md
@@ -77,6 +77,22 @@ context. Pick the next milestone from P1.)_
     "AI authoring projection" per Decision 6, programs expressible
     in one form but not the other are a first-class bug class.
 
+- [ ] **\[todo\]** Brainstorm Step 7.5 — Grounding-check is the *last*
+  step before the spec is committed. Any post-PASS edit to the spec
+  (Boss-side polish, user-requested change, anything) must
+  re-dispatch `ailang-grounding-check` before the commit. Today the
+  skill's Step 7.5 + Step 8 wording allows a "fix issues inline and
+  re-run Step 7" loop *without* re-running Step 7.5 — closes the
+  loop on linguistic self-review only, not on grounding. Update
+  `skills/brainstorm/SKILL.md`: any change to the spec file after
+  the grounding-check PASS report invalidates that report and
+  requires a fresh dispatch before Step 8 commit.
+  - context: surfaced 2026-05-12 during iter rt.1 planning — Boss
+    edited the roundtrip-invariant spec to add acceptance #7
+    ("tests are pure readers") *after* the PASS report from
+    `ailang-grounding-check`, then committed the spec without a
+    re-dispatch. User flagged the skill gap that allowed this.
+
 - [ ] **\[milestone\]** Post-22 Prelude — Show + print rewire — ship
   `Show` typeclass with `Show Int/Bool/Str/Float` instances; rewire
   `print` through `Show.show`. Gated on heap-`Str` ABI runtime work