feat: aggregate portfolio data across accounts

Add authenticated all-account portfolio, operations, income and event endpoints. Preserve source accounts, exact currency totals and scoped cursor pagination.

src/tbank/brokerage-operations.controller.ts

@@ -18,6 +18,15 @@ import { BrokerageOperationsService } from './brokerage-operations.service';
 export class BrokerageOperationsController {
   constructor(private readonly operations: BrokerageOperationsService) {}
 
+  @Get('all/operations')
+  @ApiOkResponse({ type: BrokerageOperationsPageDto })
+  all(
+    @Req() request: Request & { user: AccessPayload },
+    @Query() query: BrokerageOperationsQueryDto,
+  ) {
+    return this.operations.getAll(request.user.sub, query);
+  }
+
   @Get(':accountId/operations')
   @ApiOkResponse({ type: BrokerageOperationsPageDto })
   get(