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/invoices/invoices.controller.ts

@@ -0,0 +1,28 @@
+import { Controller, Get, Post, Body, Param, UseGuards, Request } from '@nestjs/common';
+import { ApiTags, ApiBearerAuth } from '@nestjs/swagger';
+import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
+import { InvoicesService } from './invoices.service';
+
+@ApiTags('invoices')
+@Controller('invoices')
+@ApiBearerAuth()
+@UseGuards(JwtAuthGuard)
+export class InvoicesController {
+  constructor(private invoicesService: InvoicesService) {}
+
+  @Get()
+  findAll() { return this.invoicesService.findAll(); }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) { return this.invoicesService.findOne(id); }
+
+  @Post('generate-bulk')
+  generateBulk(@Body() dto: { month: number; year: number }, @Request() req: any) {
+    return this.invoicesService.generateBulk(dto, req.user.sub);
+  }
+
+  @Post('apply-late-fees')
+  applyLateFees(@Body() dto: { grace_period_days: number; late_fee_amount: number }, @Request() req: any) {
+    return this.invoicesService.applyLateFees(dto, req.user.sub);
+  }
+}