perf: 로그인 메인 로직 배럴 로딩 제거

app/game-frontend/test/routerLoading.test.ts

@@ -4,6 +4,7 @@ import path from 'node:path';
 import { describe, it } from 'node:test';
 
 const routerSourcePath = path.resolve(import.meta.dirname, '../src/router/index.ts');
+const mainDashboardSourcePath = path.resolve(import.meta.dirname, '../src/stores/mainDashboard.ts');
 
 void describe('game route loading contract', () => {
     void it('loads view components through route-level dynamic imports', async () => {
@@ -18,4 +19,11 @@ void describe('game route loading contract', () => {
         assert.equal(lazyViewImports.length, routedViewComponents.size);
         assert.ok(lazyViewImports.length >= 35);
     });
+
+    void it('does not preload the server-side logic barrel from the main dashboard', async () => {
+        const source = await readFile(mainDashboardSourcePath, 'utf8');
+
+        assert.doesNotMatch(source, /from\s+['"]@sammo-ts\/logic['"]/);
+        assert.match(source, /from\s+['"]@sammo-ts\/logic\/messages\/message\.js['"]/);
+    });
 });