A path escaped as it came reaches the leader through a standby; F5 in the backlog

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -35,6 +35,12 @@ APIs change between minors without a deprecation period.
   of a vector down and up again, some thirty times more. `llmgw-kb` does so with a gateway that says it can
   (`server_embeds` in a collection's answer); `--embed-here` keeps the old way.
 
+### Fixed
+
+- **A name with a slash in it, asked through a standby control plane.** `llmgw ctl kb delete Demo/hr` on a standby
+  was answered 405: the standby passed the request on to the leader with `Demo%2Fhr` unescaped, two segments instead
+  of one. The path now reaches the leader as it was sent.
+
 ## v0.15.3 — 2026-10-29
 
 A model stopped and kept, or removed with its files; the second mirror fixed where it was tried.