Works:

Balance sheet
 Ledger
 Cash Flow

along with urls
Balance sheet schema does not enforce multiple_of for amounts as multiple_of borks on random figures

overlord/src/app/cash-flow/cash-flow.component.html

@@ -26,7 +26,7 @@
       <!-- Name Column -->
       <ng-container matColumnDef="name">
         <mat-header-cell *matHeaderCellDef mat-sort-header>Name</mat-header-cell>
-        <mat-cell *matCellDef="let row"><a [href]="row.url">{{row.name}} </a></mat-cell>
+        <mat-cell *matCellDef="let row"><a [routerLink]="row.url" [queryParams]="{startDate: info.startDate, finishDate: info.finishDate}">{{row.name}} </a></mat-cell>
       </ng-container>
 
       <!-- Amount Column -->

overlord/src/app/cash-flow/cash-flow.ts

@@ -1,6 +1,6 @@
 export class CashFlowItem {
   name: string;
-  url: string;
+  url: [];
   amount: number;
 
   constructor(name: string) {