refactor: move restart field from ServerInfo to ServerStatus

The restart reason belongs with other server state (shutting_down,
restarting, update_progress) rather than on the top-level ServerInfo.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

web/projects/ui/src/app/routes/portal/portal.component.ts

@@ -149,7 +149,9 @@ export class PortalComponent {
 
   readonly name = toSignal(this.patch.watch$('serverInfo', 'name'))
   readonly update = toSignal(inject(OSService).updating$)
-  readonly restartReason = toSignal(this.patch.watch$('serverInfo', 'restart'))
+  readonly restartReason = toSignal(
+    this.patch.watch$('serverInfo', 'statusInfo', 'restart'),
+  )
   readonly bar = signal(true)
 
   getProgress(size: number, downloaded: number): number {

web/projects/ui/src/app/services/api/api.fixures.ts

@@ -26,6 +26,7 @@ export namespace Mock {
     updateProgress: null,
     restarting: false,
     shuttingDown: false,
+    restart: null,
   }
 
   export const RegistryOSUpdate: T.OsVersionInfoMap = {

web/projects/ui/src/app/services/api/embassy-mock-api.service.ts

@@ -445,7 +445,7 @@ export class MockApiService extends ApiService {
     this.mockRevision([
       {
         op: PatchOp.REPLACE,
-        path: '/serverInfo/restart',
+        path: '/serverInfo/statusInfo/restart',
         value: 'kiosk',
       },
     ])
@@ -471,7 +471,7 @@ export class MockApiService extends ApiService {
     this.mockRevision([
       {
         op: PatchOp.REPLACE,
-        path: '/serverInfo/restart',
+        path: '/serverInfo/statusInfo/restart',
         value: 'mdns',
       },
     ])
@@ -507,7 +507,7 @@ export class MockApiService extends ApiService {
     this.mockRevision([
       {
         op: PatchOp.REPLACE,
-        path: '/serverInfo/restart',
+        path: '/serverInfo/statusInfo/restart',
         value: 'language',
       },
     ])
@@ -1852,7 +1852,7 @@ export class MockApiService extends ApiService {
       const patch3: Operation<string>[] = [
         {
           op: PatchOp.REPLACE,
-          path: '/serverInfo/restart',
+          path: '/serverInfo/statusInfo/restart',
           value: 'update',
         },
         {

web/projects/ui/src/app/services/api/mock-patch.ts

@@ -231,8 +231,8 @@ export const mockPatchData: DataModel = {
       restarting: false,
       shuttingDown: false,
       backupProgress: null,
+      restart: null,
     },
-    restart: null,
     name: 'Random Words',
     hostname: 'random-words',
     pubkey: 'npub1sg6plzptd64u62a878hep2kev88swjh3tw00gjsfl8f237lmu63q0uf63m',