remove deprecated file

src/surveillance/surveillance.gateway.ts

@@ -1,78 +0,0 @@
-/**
- * Lego 09 — Surveillance Gateway
- * Lego 11 — Socket Event Schema: monitor:subscribe / monitor:data
- *
- * Registers the Socket.io namespace on port 3000 (shared server).
- * On client subscribe → sends the latest snapshot immediately.
- * Every 500ms tick → SurveillanceService calls back → we broadcast to all.
- */
-
-import {
-  WebSocketGateway,
-  WebSocketServer,
-  SubscribeMessage,
-  OnGatewayInit,
-  OnGatewayConnection,
-  OnGatewayDisconnect,
-} from '@nestjs/websockets';
-import { Logger, OnModuleInit } from '@nestjs/common';
-import { Server, Socket } from 'socket.io';
-import { SurveillanceService, SystemMetrics } from './surveillance.service';
-
-@WebSocketGateway({
-  cors: { origin: '*' },   // Angular dev server on any port
-  namespace: '/monitor',
-})
-export class SurveillanceGateway
-  implements OnGatewayInit, OnGatewayConnection, OnGatewayDisconnect, OnModuleInit
-{
-  @WebSocketServer()
-  private server!: Server;
-
-  private readonly logger = new Logger(SurveillanceGateway.name);
-
-  constructor(private readonly surveillanceService: SurveillanceService) {}
-
-  // ─── Lifecycle ─────────────────────────────────────────────────────────────
-
-  onModuleInit() {
-    // Wire the service callback → broadcasts to all connected clients
-    this.surveillanceService.registerMetricsCallback((metrics: SystemMetrics) => {
-      this.broadcast(metrics);
-    });
-  }
-
-  afterInit(server: Server) {
-    this.logger.log('🔌 SurveillanceGateway initialized on /monitor namespace');
-  }
-
-  handleConnection(client: Socket) {
-    this.logger.log(`📡 Client connected: ${client.id}`);
-    const snapshot = this.surveillanceService.getLatestMetrics();
-    if (snapshot) {
-      client.emit('monitor:data', snapshot);
-    }
-  }
-
-  handleDisconnect(client: Socket) {
-    this.logger.log(`🔌 Client disconnected: ${client.id}`);
-  }
-
-  // ─── Event Handlers ────────────────────────────────────────────────────────
-
-  @SubscribeMessage('monitor:subscribe')
-  handleSubscribe(client: Socket) {
-    this.logger.log(`🟢 monitor:subscribe from ${client.id}`);
-    const snapshot = this.surveillanceService.getLatestMetrics();
-    if (snapshot) client.emit('monitor:data', snapshot);
-    return { event: 'monitor:subscribed', data: { ok: true } };
-  }
-
-  // ─── Broadcast ─────────────────────────────────────────────────────────────
-
-  private broadcast(metrics: SystemMetrics) {
-    if (this.server) {
-      this.server.emit('monitor:data', metrics);
-    }
-  }
-}