Land the maintainer's two decisions: the reader's home and the claim code's name

AGENTS.md

@@ -82,8 +82,9 @@ closed list a consumer may switch exhaustively, the message free text, the path
 from the document root. Adding, removing or renaming a code is breaking, so a milestone meeting a
 new failure cause reuses a code where one fits; the list is complete at `0.1.0`. A code names the
 cause; where one cause recurs across node types, one code covers them all and `path` and `message`
-say which. A cause the carry answers gets no code: a mark no spelling writes rides the carry with
-its node.
+say which. A claim code names the spelling claimed, never the node that spelling would have built:
+a malformed `:::table` is a `malformed-directive`. A cause the carry answers gets no code: a mark no
+spelling writes rides the carry with its node.
 
 ## 9. Release automation
 
@@ -139,7 +140,8 @@ live Atlassian APIs; property-generated ADF trees; the CommonMark spec suite aga
   unrepresentable.
 - `src/adf/` holds ADF's own knowledge and imports no format. Each format directory (`markdown/`,
   `html/`) parts into `emit/` (ADF→format) and `parse/` (format→ADF), its root holding what both
-  directions read.
+  directions read. A construct's reader lives in that root beside the regex the emitter escapes
+  against, so the two cannot drift; a reader with no emit counterpart goes in `parse/`.
 - The attribute vocabulary is ADF's: `adf/` walks it and narrows each value to its kind, and a
   format spells the narrowed value. A spelling that re-checks the type is the check's second copy.
 - Explicit over implicit; descriptive names; no catch-all files (`utils`, `helpers`, `misc`); a