fix

cmd/telesrv-admin/web/src/App.tsx

@@ -42,7 +42,7 @@ export function App() {
 
   return (
     <PermissionsProvider permissions={session.permissions ?? []} hideThirdPartyVerification={session.hide_third_party_verification ?? true}>
-      <Shell actor={session.actor} route={route} navigate={navigate} onLogout={() => setSession(null)}>
+      <Shell actor={session.actor} build={session.build} route={route} navigate={navigate} onLogout={() => setSession(null)}>
         <Routes route={route} navigate={navigate} />
       </Shell>
     </PermissionsProvider>

cmd/telesrv-admin/web/src/components/Layout.tsx

@@ -41,12 +41,14 @@ export function BootScreen() {
 
 export function Shell({
   actor,
+  build,
   route,
   navigate,
   onLogout,
   children
 }: {
   actor: string;
+  build?: { commit: string; short_commit: string; dirty: boolean; build_time: string };
   route: RouteState;
   navigate: Navigate;
   onLogout: () => void;
@@ -143,6 +145,11 @@ export function Shell({
         </nav>
         <div className="sidebar-status">
           <span className="sidebar-label">{"Version: O7"}</span>
+          {build?.short_commit && (
+            <span className="sidebar-label sidebar-build" title={build.commit + (build.dirty ? " (uncommitted changes)" : "")}>
+              {`Build: ${build.short_commit}${build.dirty ? "+" : ""}`}
+            </span>
+          )}
         </div>
       </aside>
       <div className="workspace">

cmd/telesrv-admin/web/src/styles/01-foundation.css

@@ -263,6 +263,13 @@ a {
   letter-spacing: 0.04em;
 }
 
+.sidebar-build {
+  font-weight: 500;
+  text-transform: none;
+  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
+  opacity: 0.7;
+}
+
 .nav-list {
   display: grid;
   gap: 4px;

cmd/telesrv-admin/web/src/types.ts

@@ -584,6 +584,14 @@ export type AdminSession = {
   // comment. Used by Server Settings' Restart/Update flow to detect a
   // genuinely new admin process after asking it to bounce.
   boot_id?: string;
+  // This admin binary's own build -- shown under "Version" in the sidebar
+  // footer so an operator can tell which build is actually running.
+  build?: {
+    commit: string;
+    short_commit: string;
+    dirty: boolean;
+    build_time: string;
+  };
 };
 
 export type AdminLoginResult = AdminSession & {