fix: little fixes

src/tbank/brokerage-accounts.controller.ts

@@ -3,10 +3,12 @@ import { ApiBearerAuth, ApiOkResponse, ApiTags } from '@nestjs/swagger';
 import type { Request } from 'express';
 import { AccessPayload } from '../auth/auth.types';
 import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+import { ApiProblemResponses } from '../common/decorators/api-safe-error-response.decorator';
 import { BrokerageAccountDto } from './brokerage-account.dto';
 import { BrokerageAccountsService } from './brokerage-accounts.service';
 
 @ApiTags('brokerage-accounts')
+@ApiProblemResponses()
 @ApiBearerAuth()
 @UseGuards(JwtAuthGuard)
 @Controller('brokerage-accounts')

src/tbank/portfolio.controller.ts

@@ -3,10 +3,12 @@ import { ApiBearerAuth, ApiOkResponse, ApiTags } from '@nestjs/swagger';
 import type { Request } from 'express';
 import { AccessPayload } from '../auth/auth.types';
 import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+import { ApiProblemResponses } from '../common/decorators/api-safe-error-response.decorator';
 import { PortfolioDto } from './portfolio.dto';
 import { PortfolioService } from './portfolio.service';
 
 @ApiTags('brokerage-accounts')
+@ApiProblemResponses()
 @ApiBearerAuth()
 @UseGuards(JwtAuthGuard)
 @Controller('brokerage-accounts')

src/tbank/tbank-connection.controller.ts

@@ -17,6 +17,7 @@ import {
 import type { Request } from 'express';
 import { AccessPayload } from '../auth/auth.types';
 import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+import { ApiProblemResponses } from '../common/decorators/api-safe-error-response.decorator';
 import {
   PutTbankConnectionDto,
   TbankConnectionStatusDto,
@@ -24,6 +25,7 @@ import {
 import { TbankConnectionService } from './tbank-connection.service';
 
 @ApiTags('tbank-connection')
+@ApiProblemResponses()
 @ApiBearerAuth()
 @UseGuards(JwtAuthGuard)
 @Controller('tbank-connection')