sync and publish name the Rebase-Review Gate by its display name

The help and exit-42 cause texts still said "rebase-review gate" after the display
name was settled; the generated reference and CONTRACT row follow.

Files changed:
- CHANGES.md
- VERSION
- docs/reference/commands/git.md
- docs/reference/exit-codes.md
- tools/CONTRACT.md
- tools/chemenu/commands/git_publish.py

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

docs/reference/exit-codes.md

@@ -33,9 +33,9 @@ What each exit code means, and how a caller reacts to it, is [AGENTS.md § Tool
 
 - [`new`](commands/pages.md#new): new project: The provider cannot create the project itself (Super Productivity's `access: "api"`); the output says what a human has to create
 - [`upload accept`](commands/raw-material-and-uploads.md#upload-accept): Upload Review Gate: `--confirm` is absent or does not match the manifest's current token
-- [`sync`](commands/git.md#sync): Rebase-review gate: `<remote>/<branch>` moved and both sides changed the same file, generated files aside; the output lists the upstream commits, the overlapping files and their diff
+- [`sync`](commands/git.md#sync): Rebase-Review Gate: `<remote>/<branch>` moved and both sides changed the same file, generated files aside; the output lists the upstream commits, the overlapping files and their diff
 - [`publish`](commands/git.md#publish): Mass-Update Gate: `--threshold` (default 10) or more counted files would be committed, or the `--confirm` token does not match this changeset
-- [`publish`](commands/git.md#publish): Rebase-review gate: `<remote>/<branch>` moved and both sides changed the same file; the output lists the upstream commits, the overlapping files and their diff
+- [`publish`](commands/git.md#publish): Rebase-Review Gate: `<remote>/<branch>` moved and both sides changed the same file; the output lists the upstream commits, the overlapping files and their diff
 - [`publish`](commands/git.md#publish): Publish-Remote Gate: `.wikitool-remotes.json` exists and the push URL of `--remote` is not listed in it, or `--remote` resolves to no push URL
 - [`export guidelines`](commands/guideline-export.md#export-guidelines): Guideline Push Gate: `--push` without `--confirm`, or with a token that does not match the current set of targets
 <!-- /wikitool:reference-exit-codes -->