feat: rail items can show a status dot (Plugin-Sync#5)

packages/plugin-sdk/CHANGELOG.md

@@ -11,6 +11,7 @@ Plugin API 1.13.0.
 - `@termix-ssh/plugin-sdk/frame-host` runs one plugin view outside the shell, with core's bridge, registries and CSS, so the mobile app can show `webview` plugins
 - SSH transport providers get the host's owner, sync id, connection origin and local only flag in `claims` and `open`, and core's SSH relay takes a `syncId` instead of a host id
 - `ctx.sync.host.entities.idsOf` maps sync ids to the local ids of the user's own rows of one type
+- Rail items take `useStatus` for a small ok, warning or error dot on the icon
 
 ### Fixed
 

packages/plugin-sdk/src/frontend.ts

@@ -425,6 +425,11 @@ export interface RailItemContribution {
    * Zero or nothing shows no badge.
    */
   useBadge?: () => number | null | undefined;
+  /**
+   * A hook for a small status dot on the icon: "ok" (green), "warning" or
+   * "error". Nothing shows no dot. Layouts from Termix 26.10.6 draw it.
+   */
+  useStatus?: () => "ok" | "warning" | "error" | null | undefined;
 }
 
 export interface PanelProps {