From 5c0ba37eda80d39e6ceca59bb1d5f4942f858995 Mon Sep 17 00:00:00 2001
From: "Somhairle H. Marisol" <muqiu-han@outlook.com>
Date: Thu, 17 Sep 2026 14:32:37 +0800
Subject: chore: establish Strategy Lab source baseline (development, not
 release)

---
 frontend/src/lib/layout.test.ts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 frontend/src/lib/layout.test.ts

(limited to 'frontend/src/lib/layout.test.ts')

diff --git a/frontend/src/lib/layout.test.ts b/frontend/src/lib/layout.test.ts
new file mode 100644
index 0000000..99d3c47
--- /dev/null
+++ b/frontend/src/lib/layout.test.ts
@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest';
+// `?raw` gives us the exact Svelte source for a real regression check
+// (ProjectPage used to wrap a second <Layout>, doubling the sidebar).
+// Type support comes from vite/client's `*?raw` module declaration.
+import projectPageSource from '../pages/ProjectPage.svelte?raw';
+
+describe('single layout shell', () => {
+  it('ProjectPage does not nest its own Layout', () => {
+    const src: string = projectPageSource as unknown as string;
+    expect(src).not.toMatch(/import\s+Layout/);
+    expect(src).not.toMatch(/<Layout/);
+    // page props still passed through on each tab
+    expect(src).toMatch(/ProjectDataTab/);
+    expect(src).toMatch(/ProjectStrategyTab/);
+    expect(src).toMatch(/ProjectBacktestTab/);
+    expect(src).toMatch(/ProjectResultsTab/);
+  });
+});
-- 
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