diff --git a/todo-history.md b/todo-history.md
index 7615200..5a5f4b4 100644
--- a/todo-history.md
+++ b/todo-history.md
@@ -562,6 +562,11 @@ The done `todo.md` items in full, as they were written. `todo.md` keeps a one-li
       `instrumentisto/geckodriver`, currency over size — the leg's whole worth is a real
       SpiderMonkey, which decays the moment the pin stops moving, and the smaller image was four
       Firefox majors behind with a publisher that may go quiet while Renovate stays silent.
+- [ ] **11 — Atlassian's ADF schema as the tables' truth (`0.2.0`).**
+  - [x] **11a — The vendored schema.** `full.json` and `stage-0.json`, byte-exact from
+        `@atlaskit/adf-schema@57.4.9`'s `dist/json-schema/v1/`, at `spec/adf-schema/`, each pinned
+        by its SHA-256 in a test the way `spec.json` is. The version, the source and the Apache-2.0
+        attribution sit beside them with the licence text; no gate re-serializes either file.
 
 ## 5 — Ship `0.1.0`
 
diff --git a/todo.md b/todo.md
index 8c1d50b..4428655 100644
--- a/todo.md
+++ b/todo.md
@@ -155,10 +155,7 @@ proves 12, 13 spells 11's gaps in 12's grammar, and 12 rewrites code 4b and 4c c
       gated against them (§10). **Settled** (the maintainer, 2026-09-13): vendored at
       `spec/adf-schema/` and re-pinned by hand when a need shows; the gate compares attribute names
       and kinds, never value sets, over `full.json` and `stage-0.json` together.
-  - [ ] **11a — The vendored schema.** `full.json` and `stage-0.json`, byte-exact from
-        `@atlaskit/adf-schema@57.4.9`'s `dist/json-schema/v1/`, at `spec/adf-schema/`, each pinned
-        by its SHA-256 in a test the way `spec.json` is. The version, the source and the Apache-2.0
-        attribution sit beside them with the licence text; no gate re-serializes either file.
+  - [x] **11a — The vendored schema.**
   - [ ] **11b — The gate.** For each node and mark type the tables spell, the attribute names and
         kinds equal the union over every definition in both files whose `type` enum names it,
         `anyOf`/`allOf` branches included, the argument slot (`panelType`, `state`) counting as