add better sse handling

src/index.ts

@@ -23,6 +23,7 @@ import { sseRoutes } from "./sse/routes.js";
 import { SseService } from "@dpu/shared";
 import { HomepageService } from "./homepage/service.js";
 import { homepageRoutes } from "./homepage/routes.js";
+import fastifySSE from "@fastify/sse";
 
 const fastify = Fastify().withTypeProvider<ZodTypeProvider>();
 
@@ -73,6 +74,8 @@ await fastify.register(fastifyAxios, {
 	},
 });
 
+await fastify.register(fastifySSE);
+
 const haClient = new HomeAssistantClient(fastify.axios.homeassistant);
 const haService = new HomeAssistantService(haClient);