docs: AGENTS.md routing line and toc.py docstring describe docs/ as the whole human documentation (#187)

Closing-phase pull-through: both still described docs/ by its pre-9.0.0 role.

Files changed:
- AGENTS.md
- CHANGES.md
- VERSION
- tools/chemenu/toc.py

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SnAJ7Z3CpVD3PRbN73QtU2

AGENTS.md

@@ -222,8 +222,9 @@ input       schema + compiler     output   derived (gitignored)
                   work/   tracked scratch, deleted when the run closes
 ```
 
-Alongside it, not part of it: `instructions/` (what agents are told to do), `docs/` (why the
-stack is built the way it is - see [File naming](#file-naming)), and this file.
+Alongside it, not part of it: `instructions/` (what agents are told to do), `docs/` (the stack's
+human documentation, including why it is built the way it is - see [File naming](#file-naming)),
+and this file.
 
 **By stage** - read the contract for the stage you are writing in:
 

CHANGES.md

@@ -14,7 +14,7 @@ place only: `instructions/dev/version-parts.md` § The candidate model.
 
 ---
 
-## 9.0.0-beta.1 - 2026-10-06 - docs/ sorted into tutorials, how-to, reference and explanation plus an unshipped docs/dev/; explanation pages moved, developer guide moved and translated, human docs English
+## 9.0.0-beta.2 - 2026-10-06 - AGENTS.md routing line and a toc.py docstring describe docs/ as the whole human documentation
 
 **Author:** Torben Nehmer
 
@@ -31,6 +31,7 @@ place only: `instructions/dev/version-parts.md` § The candidate model.
 
 **Low impact**
 - version bump: Abschlussmeldung nennt Stichpunkt oder Themenabsatz statt pauschal Prosa
+- AGENTS.md routing line and a toc.py docstring describe docs/ as the whole human documentation
 <!-- /wikitool:bumps -->
 
 ### Doku-Gerüst nach Diátaxis unter `docs/` (#187)

VERSION

@@ -1 +1 @@
-9.0.0-beta.1
+9.0.0-beta.2

tools/chemenu/toc.py

@@ -31,8 +31,8 @@ decision, and did: `docs/` and the page type-specs sat outside it for no
 recorded reason at all.
 
 `docs/` belongs in for the reason the threshold exists. AGENTS.md § File naming
-calls it "Agents and humans | By link, or on explicit request" - agent-loaded,
-at a second hop, which is precisely the preview mechanic
+calls a page in one of its four areas "Humans and agents ... | By link, or on
+explicit request" - agent-loaded, at a second hop, which is precisely the preview mechanic
 `instructions/CONTRACT.md` § "Reference depth" treats as real. The exclusion of
 the human docs (`README.md`, `CHANGES.md`, `EVALS.md`, `INSTALL.md`,
 `tools/README.md`) rests on a sentence that does not stretch to cover it: those