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/package.json

@@ -21,7 +21,7 @@
   "scripts": {
     "dev": "tsx scripts/dev.ts",
     "build": "tsx scripts/build.ts",
-    "test": "pnpm --filter @fusion/core build && pnpm --filter @fusion/dashboard build && vitest run --silent=passed-only --reporter=dot",
+    "test": "tsx scripts/test.ts",
     "typecheck": "tsc --noEmit",
     "generate:icons": "tsx scripts/generate-icons.ts",
     "pack": "electron-builder --dir",