Playwright In Sandbox This is the primary Playwright skill for sandbox browser verification and deterministic end-to-end coverage. Use it in two explicit modes: 1. Interactive Sandbox Mode as final browser verification after a task's implementation is in a plausibly correct state. 2. Deterministic E2E Mode before finishing a task when the changed flow should be protected by durable regression coverage. This skill is intentionally generic. It should work for: - task-level screenshot-driven verification after an agent has implemented UI work and needs browser proof - formal Playwright E2E autho…