fix(test): use dynamic port for websocket tests

src/web/server.ts

@@ -65,4 +65,7 @@ export class WebServer {
             this.server = null;
         }
     }
+    public static get port(): number | undefined {
+        return this.server?.port;
+    }
 }

src/web/websocket.test.ts

@@ -14,18 +14,10 @@ describe("WebSocket Server", () => {
     });
 
     it("should accept websocket connection and send welcome message", async () => {
-        // We need to know the actual port assigned by Bun if we passed 0.
-        // But WebServer stores it in private static server. 
-        // We can't access it easily unless we expose it or use a known port.
-        // Let's rely on the fact that if we pass 0, we can't easily know the port without exposing it.
-        // So for this test, let's pick a random high port to avoid conflict: 40000 + Math.floor(Math.random() * 1000)
+        const port = WebServer.port;
+        expect(port).toBeDefined();
 
-        // Actually, let's restart with a known port 8081 for testing
-        WebServer.stop();
-        const testPort = 8081;
-        WebServer.start(testPort);
-
-        const ws = new WebSocket(`ws://localhost:${testPort}/ws`);
+        const ws = new WebSocket(`ws://localhost:${port}/ws`);
 
         const messagePromise = new Promise<any>((resolve) => {
             ws.onmessage = (event) => {
@@ -41,13 +33,13 @@ describe("WebSocket Server", () => {
     });
 
     it("should reject non-ws upgrade requests on /ws endpoint via http", async () => {
-        const testPort = 8081;
+        const port = WebServer.port;
         // Just a normal fetch to /ws should fail with 426 Upgrade Required usually, 
         // but our implementation returns "WebSocket upgrade failed" 500 or undefined -> 101 Switching Protocols if valid.
         // If we send a normal GET request to /ws without Upgrade headers, server.upgrade(req) returns false.
         // So it returns status 500 "WebSocket upgrade failed" based on our code.
 
-        const res = await fetch(`http://localhost:${testPort}/ws`);
+        const res = await fetch(`http://localhost:${port}/ws`);
         expect(res.status).toBe(500);
         expect(await res.text()).toBe("WebSocket upgrade failed");
     });