Replace shell-script scenario runner with Playwright. The evaluator now
runs `npx playwright test --config scripts/harb-evaluator/holdout.config.ts`
after booting the stack, using the existing tests/setup/ wallet-provider
and navigation infrastructure.
Changes:
- scripts/harb-evaluator/holdout.config.ts — new Playwright config pointing
to scenarios/, headless chromium, 5-min timeout per test
- scripts/harb-evaluator/scenarios/sovereign-exit/always-leave.spec.ts —
Playwright spec that buys KRK through the LocalSwapWidget then sells it
back via the injected wallet provider, asserting sovereign exit works
- scripts/harb-evaluator/evaluate.sh — adds root npm install step (needed
for npx playwright), exports STACK_* env aliases for getStackConfig(),
replaces shell-script loop with a single playwright test invocation
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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