chore: import upstream snapshot with attribution

internal-packages/dashboard-agent/vitest.eval.config.ts

@@ -0,0 +1,17 @@
+import { defineConfig } from "vitest/config";
+
+// Evals are separate from unit tests: they hit the real model (cost +
+// nondeterminism), so they only run via `pnpm run test:evals`, never `pnpm test`.
+export default defineConfig({
+  test: {
+    include: ["src/**/*.eval.ts"],
+    environment: "node",
+    setupFiles: ["./eval-setup.ts"],
+    // Real-model turns run sequentially (the harness is single-agent-per-process).
+    testTimeout: 240000,
+    hookTimeout: 60000,
+  },
+  esbuild: {
+    target: "node18",
+  },
+});