implemented a Maker-Checker workflow for Products, with approval-based updates and product locking to prevent concurrent edits

src/app/savings/create-savings-account/create-savings-account.component.html

@@ -117,6 +117,7 @@
             [savingsAccount]="savingsAccount"
             [savingsAccountDigital]="savingsAccountDigital"
             [savingsAccountNominees]="savingsAccountCurrencyStep?.nominees ?? []"
+            [submitting]="submitting"
             (submitEvent)="submit()"
           >
           </mifosx-savings-account-preview-step>

src/app/savings/create-savings-account/create-savings-account.component.ts

@@ -64,6 +64,8 @@ export class CreateSavingsAccountComponent {
   selectedTabIndex = 0;
   /** Total wizard tabs — Product, Currency, Digital, Preview. */
   private readonly totalTabs = 4;
+  /** Guards against duplicate submissions from a double-click while the create request is in flight. */
+  submitting = false;
 
   @ViewChild(SavingsAccountDetailsStepComponent, { static: true })
   savingsAccountDetailsStep: SavingsAccountDetailsStepComponent;
@@ -116,6 +118,9 @@ export class CreateSavingsAccountComponent {
   }
 
   submit() {
+    if (this.submitting) {
+      return;
+    }
     const detailsStep = this.savingsAccountDetailsStep;
     if (detailsStep.selectedAccountStatus === 'JOINT' && detailsStep.totalJointSharePercentage !== 100) {
       this.alertService.alert({
@@ -177,6 +182,7 @@ export class CreateSavingsAccountComponent {
       }));
     }
 
+    this.submitting = true;
     this.savingsService.createSavingsAccount(savingsAccount).subscribe({
       next: (response: any) => {
         this.router.navigate(
@@ -188,6 +194,7 @@ export class CreateSavingsAccountComponent {
         );
       },
       error: (error: any) => {
+        this.submitting = false;
         const errorCode =
           error?.error?.errors?.[0]?.userMessageGlobalisationCode ?? error?.error?.userMessageGlobalisationCode;
         if (errorCode === 'error.msg.savings.account.duplicate.product.for.client') {