feat(tournaments): remove external server add/remove UI

Servers are now env-var configured; the Servers dialog, add form,
remove buttons, and TournamentServerService are all deleted.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/pages/tournaments/tournaments.component.html

@@ -271,7 +271,7 @@
     @if (serversLoading) {
       <div class="dialog-loading"><span class="pulse"></span>Loading servers…</div>
     } @else if (servers.length === 0) {
-      <p class="join-empty">No external servers registered yet.</p>
+      <p class="join-empty">No external servers registered.</p>
     } @else {
       <div class="servers-list">
         @for (s of servers; track s.id) {
@@ -280,49 +280,14 @@
               <span class="server-label">{{ s.label }}</span>
               <span class="server-url">{{ s.url }}</span>
             </div>
-            <button type="button" class="server-remove-btn"
-              [disabled]="removingServerId === s.id"
-              (click)="removeServer(s.id)"
-              title="Remove server">
-              @if (removingServerId === s.id) { … } @else {
-                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor"
-                  stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round">
-                  <polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/>
-                  <path d="M10 11v6"/><path d="M14 11v6"/>
-                  <path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/>
-                </svg>
-              }
-            </button>
           </div>
         }
       </div>
     }
 
-    <div class="server-add-form">
-      <h4 class="server-add-heading">Add server</h4>
-      <div class="dialog-field">
-        <label class="dialog-label">Label</label>
-        <input type="text" class="dialog-input" [(ngModel)]="newServerLabel"
-          placeholder="e.g. Local Dev Server" />
-      </div>
-      <div class="dialog-field">
-        <label class="dialog-label">URL</label>
-        <input type="url" class="dialog-input" [(ngModel)]="newServerUrl"
-          placeholder="http://host:8089" />
-      </div>
-      @if (addServerError) {
-        <div class="dialog-error">{{ addServerError }}</div>
-      }
-      <div class="dialog-actions">
-        <button type="button" class="btn-ghost" (click)="closeServersDialog()">Close</button>
-        <button type="button" class="btn-primary"
-          [disabled]="addingServer || !newServerLabel.trim() || !newServerUrl.trim()"
-          (click)="addServer()">
-          {{ addingServer ? 'Adding…' : 'Add' }}
-        </button>
-      </div>
+    <div class="dialog-actions">
+      <button type="button" class="btn-ghost" (click)="closeServersDialog()">Close</button>
     </div>
-
   </div>
 </div>
 }

src/app/pages/tournaments/tournaments.component.ts

@@ -71,11 +71,6 @@ export class TournamentsComponent implements OnInit {
   showServersDialog = false;
   servers: ExternalTournamentServer[] = [];
   serversLoading = false;
-  newServerLabel = '';
-  newServerUrl = '';
-  addingServer = false;
-  addServerError: string | null = null;
-  removingServerId: string | null = null;
 
   ngOnInit(): void {
     this.authService.currentUser$
@@ -248,9 +243,6 @@ export class TournamentsComponent implements OnInit {
   }
 
   openServersDialog(): void {
-    this.newServerLabel = '';
-    this.newServerUrl = '';
-    this.addServerError = null;
     this.showServersDialog = true;
     this.serversLoading = true;
     this.tournamentServerService.list()
@@ -265,40 +257,6 @@ export class TournamentsComponent implements OnInit {
     this.showServersDialog = false;
   }
 
-  addServer(): void {
-    const label = this.newServerLabel.trim();
-    const url = this.newServerUrl.trim();
-    if (!label || !url || this.addingServer) return;
-    this.addingServer = true;
-    this.addServerError = null;
-    this.tournamentServerService.register(label, url).subscribe({
-      next: server => {
-        this.addingServer = false;
-        this.servers = [...this.servers, server];
-        this.newServerLabel = '';
-        this.newServerUrl = '';
-        this.loadTournaments();
-      },
-      error: err => {
-        this.addingServer = false;
-        this.addServerError = err.error?.error ?? 'Failed to add server.';
-      }
-    });
-  }
-
-  removeServer(id: string): void {
-    if (this.removingServerId) return;
-    this.removingServerId = id;
-    this.tournamentServerService.remove(id).subscribe({
-      next: () => {
-        this.removingServerId = null;
-        this.servers = this.servers.filter(s => s.id !== id);
-        this.loadTournaments();
-      },
-      error: () => { this.removingServerId = null; }
-    });
-  }
-
   private loadTournaments(): void {
     this.tournamentService.list()
       .pipe(takeUntilDestroyed(this.destroyRef))

src/app/services/tournament-server.service.ts

@@ -20,12 +20,4 @@ export class TournamentServerService {
   list(): Observable<ExternalTournamentServerList> {
     return this.http.get<ExternalTournamentServerList>(this.base);
   }
-
-  register(label: string, url: string): Observable<ExternalTournamentServer> {
-    return this.http.post<ExternalTournamentServer>(this.base, { label, url });
-  }
-
-  remove(id: string): Observable<void> {
-    return this.http.delete<void>(`${this.base}/${id}`);
-  }
 }