feat(web): implement web server foundation

src/web/server.ts

@@ -0,0 +1,24 @@
+import { env } from "@/lib/env";
+import { router } from "./router";
+import type { Server } from "bun";
+
+export class WebServer {
+    private static server: Server<any> | null = null;
+
+    public static start() {
+        this.server = Bun.serve({
+            port: env.PORT || 3000,
+            fetch: router,
+        });
+
+        console.log(`🌐 Web server listening on http://localhost:${this.server.port}`);
+    }
+
+    public static stop() {
+        if (this.server) {
+            this.server.stop();
+            console.log("🛑 Web server stopped");
+            this.server = null;
+        }
+    }
+}