Initial commit: HOA Financial Intelligence Platform MVP

Multi-tenant financial management platform for homeowner associations featuring:
- NestJS backend with 16 modules (auth, accounts, transactions, budgets, units,
  invoices, payments, vendors, reserves, investments, capital projects, reports)
- React + Mantine frontend with dashboard, CRUD pages, and financial reports
- Schema-per-tenant PostgreSQL isolation with JWT-based tenant resolution
- Docker Compose infrastructure (nginx, backend, frontend, postgres, redis)
- Comprehensive seed data for Sunrise Valley HOA demo
- 39 API endpoints with Swagger documentation
- Double-entry bookkeeping with journal entries
- Budget vs actual reporting and Sankey cash flow visualization

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/src/modules/accounts/dto/create-account.dto.ts

@@ -0,0 +1,35 @@
+import { IsString, IsInt, IsOptional, IsBoolean, IsIn, IsUUID } from 'class-validator';
+import { ApiProperty } from '@nestjs/swagger';
+
+export class CreateAccountDto {
+  @ApiProperty({ example: 6600 })
+  @IsInt()
+  accountNumber: number;
+
+  @ApiProperty({ example: 'Equipment Repairs' })
+  @IsString()
+  name: string;
+
+  @ApiProperty({ required: false })
+  @IsString()
+  @IsOptional()
+  description?: string;
+
+  @ApiProperty({ example: 'expense', enum: ['asset', 'liability', 'equity', 'income', 'expense'] })
+  @IsIn(['asset', 'liability', 'equity', 'income', 'expense'])
+  accountType: string;
+
+  @ApiProperty({ example: 'operating', enum: ['operating', 'reserve'] })
+  @IsIn(['operating', 'reserve'])
+  fundType: string;
+
+  @ApiProperty({ required: false })
+  @IsUUID()
+  @IsOptional()
+  parentAccountId?: string;
+
+  @ApiProperty({ required: false, default: false })
+  @IsBoolean()
+  @IsOptional()
+  is1099Reportable?: boolean;
+}