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

tools/chemenu/commands/git_publish.py

@@ -1343,7 +1343,7 @@ def apply_reconcile(outcome: ReconcileOutcome, remote: str, branch: str, command
     notes=(
         "Fetches `<remote>/<branch>`, then: fast-forwards when only the remote moved; rebases "
         "the local commits on top when both sides moved but touched disjoint files; exits 42 "
-        "(rebase-review gate) when both sides touched the same file.",
+        "(Rebase-Review Gate) when both sides touched the same file.",
         "Files `wikitool` generates (`kb/index.md`, `kb/log.md`, `kb/provenance.md`, every "
         "`kb/**/INDEX.md`) never count as an overlap and never reach the gate. Where they are "
         "what stops git - uncommitted ones in the way of a fast-forward or rebase, or a rebase "
@@ -1389,7 +1389,7 @@ def apply_reconcile(outcome: ReconcileOutcome, remote: str, branch: str, command
             "out of the way, re-run once",
         ),
         cli_contract.Failure(
-            cause="Rebase-review gate: `<remote>/<branch>` moved and both sides changed the "
+            cause="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",
             reaction=cli_contract.token_gate_reaction("--confirm-rebase"),
@@ -1417,7 +1417,7 @@ def sync_command(
         None,
         "--confirm-rebase",
         metavar="TOKEN",
-        help="Clear the rebase-review gate for the exact upstream state and file overlap this "
+        help="Clear the Rebase-Review Gate for the exact upstream state and file overlap this "
         "token was issued for. The token comes from the gate's own refusal output.",
     ),
 ):
@@ -1506,7 +1506,7 @@ def commit_regenerated(remote: str, branch: str) -> None:
         effect=cli_contract.Effect.WRITE,
         idempotent=cli_contract.Idempotent.NO,
         atomic="No - sequential git operations. Every gate runs before staging, except on the "
-        "one retry of a rejected push, where the rebase-review gate can exit 42 after the "
+        "one retry of a rejected push, where the Rebase-Review Gate can exit 42 after the "
         "commit: nothing is pushed, and the re-run with `--confirm-rebase` pushes that commit",
         budget=cli_contract.Budget.COUNTED,
         network=cli_contract.Network.YES,
@@ -1525,7 +1525,7 @@ def commit_regenerated(remote: str, branch: str) -> None:
         "case: the first publish of an instance commits and pushes as before.",
         "Reconcile: fetches `<remote>/<branch>`, fast-forwards when only the remote moved, "
         "rebases the local commits on top when both sides moved but touched disjoint files, "
-        "and exits 42 (rebase-review gate) when both sides touched the same file. A refused "
+        "and exits 42 (Rebase-Review Gate) when both sides touched the same file. A refused "
         "reconcile performs no rebase attempt. The `--confirm-rebase` token covers the exact "
         "upstream state and the set of files touched on both sides.",
         "Generated files are never an overlap: where they are all that stops the reconcile, it "
@@ -1626,7 +1626,7 @@ def commit_regenerated(remote: str, branch: str) -> None:
             code=42,
         ),
         cli_contract.Failure(
-            cause="Rebase-review gate: `<remote>/<branch>` moved and both sides changed the "
+            cause="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",
             reaction=cli_contract.token_gate_reaction("--confirm-rebase"),
@@ -1677,7 +1677,7 @@ def publish_command(
         None,
         "--confirm-rebase",
         metavar="TOKEN",
-        help="Clear the rebase-review gate raised by the pre-push reconcile step. The token "
+        help="Clear the Rebase-Review Gate raised by the pre-push reconcile step. The token "
         "comes from that gate's own refusal output - see `tools/wikitool sync`.",
     ),
     yes: bool = typer.Option(