stack: Budget-Ausnahme von version regrade haengt an der Aufrufform (Doku-Nachzug zu #95)

Files changed:
- CHANGES.md
- VERSION
- instructions/gates.md
- instructions/session-setup.md

instructions/session-setup.md

@@ -57,11 +57,12 @@ refusal. See [gates.md](gates.md).
 
 ## Scope
 
-**The exemption is a fixed allowlist, not "read-only" or "does not change the wiki."** A command
+**The exemption is an allowlist, not "read-only" or "does not change the wiki."** A command
 needs this setup unless it is one of the dozen `tools/CONTRACT.md` marks exempt in its command
 table (`search`, `doctor`, `links show`, `cite id`, `budget status`, the read-only forms of
 `eval`, `version`, `migrate` and `upstream verify`) - that table, not a rule of thumb here, is
-the single list.
+the single list. One entry on it, `version regrade`, is exempt only in its bare listing form and
+counted when it is given positions to regrade; every other entry is exempt however it is called.
 
 `lint` is the case that breaks the "changes the wiki" reading: it only writes to `reports/`,
 which is gitignored, so it looks side-effect-free - but it is not on the allowlist and is counted