Arrange the rail: drag pages into your own order, kept with the account

The close cross on a detail pane is drawn, not a glyph, and sits in no box.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

PLAN.md

@@ -299,7 +299,11 @@ something long in one, switch away and back, refresh — it's all still there.
   (`internal/api/users.go`, `config.User`, `store.Session`/`UserState`, `Login.tsx`,
   `Users.tsx` — a hub-only **Users** tab in the rail, added the same day at Mitchell's
   request, holds everything about accounts: your own password, your sessions, the
-  accounts; Settings keeps appearance, rates, tokens and About). The login is a user name and a password. `config.json` holds `users`
+  accounts; Settings keeps appearance, rates, tokens and About). **Rail order is per account** too (2026-09-22,
+  `railorder.ts`, `Rail.tsx`): "⇅ Arrange" at the foot of the rail puts a handle on every
+  page; drag one up or down (pointer events, so a finger works), let go and the order is
+  saved in the UI prefs with the theme; "Reset" restores the built-in order; pages added
+  in a later build go after the ones the saved order names. The login is a user name and a password. `config.json` holds `users`
   (name, argon2id hash, created, last seen); the old single `password_hash` becomes the
   account named after the OS user the console runs as on first boot, its signed-in
   sessions become that account's, and the machine-wide theme/accents/dashboard become