feat: Full petmaster CRM with NestJS API and React frontend

- Client management (CRUD with JSONB custom fields)
- Pet profiles
- Service catalog with per-client pricing
- Booking calendar with recurring appointments
- Invoicing with Stripe integration
- Real-time messaging (WebSocket)
- Self-booking portal
- Staff assignment
- Docker multi-stage builds
- Prisma schema + seed

api/src/bookings/bookings.controller.ts

@@ -0,0 +1,56 @@
+import {
+  Controller, Get, Post, Put, Delete, Param, Body, Query, ParseUUIDPipe,
+} from '@nestjs/common';
+import { BookingsService } from './bookings.service';
+import { CreateBookingDto, UpdateBookingDto, ListBookingsQueryDto } from './dto/booking.dto';
+
+@Controller('bookings')
+export class BookingsController {
+  constructor(private readonly bookingsService: BookingsService) {}
+
+  @Post()
+  async create(@Body() dto: CreateBookingDto) {
+    return this.bookingsService.create(dto);
+  }
+
+  @Get()
+  async findAll(@Query() query: ListBookingsQueryDto) {
+    return this.bookingsService.findAll(query);
+  }
+
+  @Get(':id')
+  async findOne(@Param('id', ParseUUIDPipe) id: string) {
+    return this.bookingsService.findOne(id);
+  }
+
+  @Put(':id')
+  async update(@Param('id', ParseUUIDPipe) id: string, @Body() dto: UpdateBookingDto) {
+    return this.bookingsService.update(id, dto);
+  }
+
+  @Delete(':id')
+  async remove(@Param('id', ParseUUIDPipe) id: string) {
+    return this.bookingsService.remove(id);
+  }
+
+  @Put(':id/assign')
+  async assignStaff(
+    @Param('id', ParseUUIDPipe) id: string,
+    @Body('staffId') staffId: string,
+  ) {
+    return this.bookingsService.assignStaff(id, staffId);
+  }
+
+  @Put(':id/status')
+  async updateStatus(
+    @Param('id', ParseUUIDPipe) id: string,
+    @Body('status') status: string,
+  ) {
+    return this.bookingsService.updateStatus(id, status);
+  }
+
+  @Post(':id/recurring')
+  async generateRecurring(@Param('id', ParseUUIDPipe) id: string) {
+    return this.bookingsService.generateRecurring(id);
+  }
+}