fix: prettier lint and h2-transport test teardown

- Run eslint --fix to satisfy prettier formatting in h2-transport
- Tear down active server H2 sessions before closing the test server
  so afterAll() no longer hangs on lingering client pools

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: Reflex

src/lib/h2-transport/pool.ts

@@ -95,8 +95,10 @@ export class H2Pool {
       const session = this._findAvailable();
       if (!session) break;
       const req = this._queue.shift()!;
-      this._dispatchToSession(session, req.path, req.method, req.headers, req.body, req.signal)
-        .then(req.resolve, req.reject);
+      this._dispatchToSession(session, req.path, req.method, req.headers, req.body, req.signal).then(
+        req.resolve,
+        req.reject,
+      );
     }
 
     if (this._queue.length > 0 && !this._growing) {

src/lib/h2-transport/response.ts

@@ -14,12 +14,7 @@ export class H2Response {
   private _bodyConsumed = false;
   private _bodyBytes: Buffer | null = null;
 
-  constructor(
-    status: number,
-    headers: H2Headers,
-    body: ReadableStream<Uint8Array>,
-    url: string,
-  ) {
+  constructor(status: number, headers: H2Headers, body: ReadableStream<Uint8Array>, url: string) {
     this.status = status;
     this.ok = status >= 200 && status < 300;
     this.url = url;

src/lib/h2-transport/session.ts

@@ -58,7 +58,9 @@ export class H2Session {
       this._session = session;
 
       const timeout = setTimeout(() => {
-        session.destroy(new Error(`H2 connect timeout after ${this._opts.connectTimeout ?? DEFAULT_CONNECT_TIMEOUT}ms`));
+        session.destroy(
+          new Error(`H2 connect timeout after ${this._opts.connectTimeout ?? DEFAULT_CONNECT_TIMEOUT}ms`),
+        );
       }, this._opts.connectTimeout ?? DEFAULT_CONNECT_TIMEOUT);
 
       session.on('connect', () => {

tests/lib/h2-transport.test.ts

@@ -44,12 +44,22 @@ function startTestServer(
       stream.on('error', () => {});
       handler(stream, headers);
     });
-    server.on('session', (session) => { session.on('error', () => {}); });
+    const sessions = new Set<http2.ServerHttp2Session>();
+    server.on('session', (session) => {
+      sessions.add(session);
+      session.on('error', () => {});
+      session.on('close', () => sessions.delete(session));
+    });
     server.listen(0, () => {
       const port = (server.address() as any).port;
       resolve({
         port,
-        close: () => new Promise<void>((res) => server.close(() => res())),
+        close: () =>
+          new Promise<void>((res) => {
+            for (const session of sessions) session.destroy();
+            sessions.clear();
+            server.close(() => res());
+          }),
       });
     });
   });