app: rename the System map route /map -> /system

The nav label was already "System" and the page is SystemMap; only the URL
was stale. Move it to /system, add a back-compat redirect from /map, and update
the command-palette navigations. Unrelated graph node type "map" left as-is.

app/src/components/CommandPalette.tsx

@@ -26,7 +26,7 @@ interface AppItem {
 function detailPathFor(kind: string, name: string): string {
   if (kind === "job") return `/jobs/${name}`
   if (kind === "tool") return `/tools/${name}`
-  if (kind === "reference") return `/map`
+  if (kind === "reference") return `/system`
   return `/services/${name}`
 }
 
@@ -137,13 +137,13 @@ function PaletteBody({ onClose }: { onClose: () => void }) {
   const launch = (a: AppItem) => {
     onClose()
     if (a.launchUrl) window.open(a.launchUrl, "_blank", "noreferrer")
-    else if (a.mapNodeId) navigate(`/map?focus=${encodeURIComponent(a.mapNodeId)}`)
+    else if (a.mapNodeId) navigate(`/system?focus=${encodeURIComponent(a.mapNodeId)}`)
     else navigate(a.detailPath)
   }
   const goToMap = (a: AppItem) => {
     if (!a.mapNodeId) return
     onClose()
-    navigate(`/map?focus=${encodeURIComponent(a.mapNodeId)}`)
+    navigate(`/system?focus=${encodeURIComponent(a.mapNodeId)}`)
   }
   const details = (a: AppItem) => {
     onClose()

app/src/components/Layout.tsx

@@ -32,7 +32,7 @@ type NavGroup = { label: string; icon: LucideIcon; children: NavLeaf[] }
 // "Deployments" parent. Programs (the catalog) stays top-level.
 const NAV: (NavLeaf | NavGroup)[] = [
   { to: "/", label: "Overview", icon: LayoutDashboard, end: true },
-  { to: "/map", label: "System", icon: Gauge },
+  { to: "/system", label: "System", icon: Gauge },
   { to: "/gateway", label: "Gateway", icon: Globe },
   {
     label: "Deployments",

app/src/pages/SystemMap.tsx

@@ -987,7 +987,7 @@ export function SystemMapPage() {
     setFocus(picks.length === 1 ? picks[0].id : null)
   }, [])
 
-  // "Go to on map" from the command palette (/map?focus=<id>): select + center it.
+  // "Go to on map" from the command palette (/system?focus=<id>): select + center it.
   useEffect(() => {
     const f = searchParams.get("focus")
     if (!f) return

app/src/router/routes.tsx

@@ -1,4 +1,4 @@
-import { createBrowserRouter } from "react-router-dom"
+import { createBrowserRouter, Navigate } from "react-router-dom"
 import { Layout } from "@/components/Layout"
 import { Overview } from "@/pages/Overview"
 import { Services } from "@/pages/Services"
@@ -29,7 +29,9 @@ export const router = createBrowserRouter([
       { path: "gateway", element: <GatewayPage /> },
       { path: "mesh", element: <MeshPage /> },
       { path: "secrets", element: <SecretsPage /> },
-      { path: "map", element: <SystemMapPage /> },
+      { path: "system", element: <SystemMapPage /> },
+      // Back-compat: the page was formerly at /map. Redirect old links/bookmarks.
+      { path: "map", element: <Navigate to="/system" replace /> },
       { path: "services/:name", element: <ServiceDetailPage /> },
       { path: "jobs/:name", element: <ScheduledDetailPage /> },
       { path: "tools/:name", element: <ToolDetailPage /> },