feat(ble): add BLE Manager admin UI

BLE Manager page showing gateway status, device table, consumer
plugins, and local adapter configuration. Accessible via
Server → BLE Manager in the admin sidebar.

Author: dirkwa

packages/server-admin-ui/src/components/Sidebar/Sidebar.tsx

@@ -162,6 +162,10 @@ export default function Sidebar({ location }: SidebarProps) {
             {
               name: 'Backup/Restore',
               url: '/serverConfiguration/backuprestore'
+            },
+            {
+              name: 'BLE Manager',
+              url: '/serverConfiguration/blemanager'
             }
           ]
         }

packages/server-admin-ui/src/containers/Full/Full.tsx

@@ -28,6 +28,7 @@ import Settings from '../../views/ServerConfig/Settings'
 import BackupRestore from '../../views/ServerConfig/BackupRestore'
 import ServerLog from '../../views/ServerConfig/ServerLog'
 import ServerUpdate from '../../views/ServerConfig/ServerUpdate'
+import BLEManager from '../../views/ServerConfig/BLEManager'
 
 import { fetchAllData } from '../../actions'
 
@@ -191,6 +192,10 @@ export default function Full() {
                 path="/serverConfiguration/update"
                 element={<ProtectedRoute component={ServerUpdate} />}
               />
+              <Route
+                path="/serverConfiguration/blemanager"
+                element={<ProtectedRoute component={BLEManager} />}
+              />
               <Route
                 path="/security/settings"
                 element={<ProtectedRoute component={SecuritySettings} />}