fix(ui): keep device details open across identity changes

ui/src/api.ts

@@ -339,6 +339,12 @@ export function fetchKnownDevices(): Promise<KnownDevice[]> {
   return request<KnownDevice[]>("/api/v1/control/devices");
 }
 
+export function fetchKnownDevice(deviceId: string): Promise<KnownDevice> {
+  return request<KnownDevice>(
+    `/api/v1/control/devices/${encodeURIComponent(deviceId)}`,
+  );
+}
+
 export function fetchFleetDevices(opts?: {
   query?: string;
   presence?: string;
@@ -361,6 +367,12 @@ export function fetchFleetDevices(opts?: {
   );
 }
 
+export function fetchFleetDevice(deviceKey: string): Promise<FleetDevice> {
+  return request<FleetDevice>(
+    `/api/v1/control/fleet/devices/${encodeURIComponent(deviceKey)}`,
+  );
+}
+
 export function refreshFleetDevices(input?: {
   agentIds?: string[];
   timeoutMs?: number;