Consolidate documentation into architecture and merged guides

docs/accessibility.md

@@ -28,5 +28,5 @@ Known gaps:
   review is still a 0.10.0 release-review item.
 
 Test evidence and the manual checklist live in
-[`smoke-checklist.md`](smoke-checklist.md); settings and save behaviour are
+[`release-qa.md`](release-qa.md#manual-smoke-checklist); settings and save behaviour are
 documented in [`getting-started.md`](getting-started.md).