teller set in casher

src/app/cashier/cashier-position/cashier-position.component.html

@@ -20,15 +20,22 @@
   <div class="pg-toolbar pg-toolbar--mat">
     <!-- Teller + Cashier filters — hidden for cashier role (auto-loads own position) -->
     @if (!isCashierMode) {
-      <mat-form-field appearance="outline" subscriptSizing="dynamic">
-        <mat-label>Teller (optional)</mat-label>
-        <mat-select [value]="selectedTellerId" (selectionChange)="onTellerSelect($event.value)">
-          <mat-option [value]="null">All Tellers</mat-option>
-          @for (t of tellers; track t.id) {
-            <mat-option [value]="t.id">{{ t.name }}</mat-option>
-          }
-        </mat-select>
-      </mat-form-field>
+      @if (tellers.length === 1) {
+        <mat-form-field appearance="outline" subscriptSizing="dynamic">
+          <mat-label>Teller</mat-label>
+          <input matInput type="text" [value]="tellers[0].name" readonly />
+        </mat-form-field>
+      } @else {
+        <mat-form-field appearance="outline" subscriptSizing="dynamic">
+          <mat-label>Teller (optional)</mat-label>
+          <mat-select [value]="selectedTellerId" (selectionChange)="onTellerSelect($event.value)">
+            <mat-option [value]="null">All Tellers</mat-option>
+            @for (t of tellers; track t.id) {
+              <mat-option [value]="t.id">{{ t.name }}</mat-option>
+            }
+          </mat-select>
+        </mat-form-field>
+      }
 
       <mat-form-field appearance="outline" subscriptSizing="dynamic">
         <mat-label>Cashier (optional)</mat-label>