perf: 300명 실시간 부하 측정 도구를 추가

tools/load-tests/test/sse.test.ts

@@ -0,0 +1,19 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { containsForbiddenPublicField, SseParser } from '../src/sse.js';
+
+void test('SSE parser handles chunk boundaries, CRLF, comments, and multiline data', () => {
+    const events: Array<{ event: string; data: string }> = [];
+    const parser = new SseParser((event) => events.push(event));
+    parser.push(': keepalive\r\nevent: rea');
+    parser.push('dy\r\ndata: {"ok":\r\ndata: true}\r\n\r\n');
+    parser.finish();
+    assert.deepEqual(events, [{ event: 'ready', data: '{"ok":\ntrue}' }]);
+});
+
+void test('public payload privacy scan checks nested forbidden identifiers and timing fields', () => {
+    assert.equal(containsForbiddenPublicField({ type: 'readModelInvalidated', context: true }), false);
+    assert.equal(containsForbiddenPublicField({ nested: { generalId: 3 } }), true);
+    assert.equal(containsForbiddenPublicField([{ lastTurnTime: 'secret' }]), true);
+});