chore: consolidate new foundation and archive v1 (#1495)

v1/apps/web/src/test/setup.spec.ts

@@ -0,0 +1,14 @@
+import { describe, expect, it } from 'vitest';
+
+describe('Vitest abort-controller realm', () => {
+  it('provides a global signal accepted by Node native Request', () => {
+    const controller = new AbortController();
+    const request = new Request('https://mosaic.invalid/navigation', {
+      signal: controller.signal,
+    });
+
+    expect(request.signal).toBeInstanceOf(AbortSignal);
+    controller.abort();
+    expect(request.signal.aborted).toBe(true);
+  });
+});

v1/apps/web/src/test/setup.ts

@@ -0,0 +1,43 @@
+import { transferableAbortController } from 'node:util';
+
+// jsdom installs realm-local abort constructors while Node's undici Request
+// remains native. React Router passes a global AbortSignal to Request, so both
+// constructors must come from Node's native realm during tests.
+const nativeController = transferableAbortController();
+const nativeAbortController = nativeController.constructor;
+const nativeAbortSignal = nativeController.signal.constructor;
+
+for (const target of [globalThis, window]) {
+  Object.defineProperties(target, {
+    AbortController: {
+      configurable: true,
+      writable: true,
+      value: nativeAbortController,
+    },
+    AbortSignal: {
+      configurable: true,
+      writable: true,
+      value: nativeAbortSignal,
+    },
+  });
+}
+
+// jsdom (v29) does not implement window.matchMedia; the sidebar layout uses it
+// for its mobile breakpoint. Minimal always-desktop stub.
+if (typeof window.matchMedia !== 'function') {
+  Object.defineProperty(window, 'matchMedia', {
+    configurable: true,
+    writable: true,
+    value: (query: string): MediaQueryList =>
+      ({
+        matches: false,
+        media: query,
+        onchange: null,
+        addEventListener: () => undefined,
+        removeEventListener: () => undefined,
+        addListener: () => undefined,
+        removeListener: () => undefined,
+        dispatchEvent: () => false,
+      }) as unknown as MediaQueryList,
+  });
+}