feat(FN-4737): parameterize worktree-escape test to use configured worktree

Adds parameterized test cases to the worktree-liveness test to exercise different configured `worktreesDir` paths, improving coverage of the worktree escape/isolation path.

Fusion-Task-Id: FN-4737

Fusion-Task-Lineage: 40e262ea-2507-461e-b9f5-940b3b4490f9

packages/desktop/scripts/test.ts

@@ -0,0 +1,17 @@
+import { buildCore, buildDashboard, packageRoot, runWorkspaceBin } from "./workspace-tools";
+
+async function main(): Promise<void> {
+  console.log("[desktop:test] Building @fusion/core...");
+  await buildCore();
+
+  console.log("[desktop:test] Building @fusion/dashboard...");
+  await buildDashboard();
+
+  console.log("[desktop:test] Running desktop Vitest suite...");
+  await runWorkspaceBin("vitest", ["run", "--silent=passed-only", "--reporter=dot"], packageRoot);
+}
+
+void main().catch((error) => {
+  console.error("[desktop:test] Test run failed", error);
+  process.exitCode = 1;
+});