A quick clarification on intent, since “browser automation” means different things to different people:

This isn’t about making scripts smarter or replacing Playwright/Selenium. The problem I’m exploring is reliability: how to make agent-driven browser execution fail deterministically and explainably instead of half-working when layouts change.

Concretely, the agent doesn’t just “click and hope”. Each step is gated by explicit post-conditions, similar to how tests assert outcomes:

---- ## Python Code Example:

ready = runtime.assert_( all_of(url_contains("checkout"), exists("role=button")), "checkout_ready", required=True )

----

If the condition isn’t met, the run stops with artifacts instead of drifting forward. Vision models are optional fallbacks, not the primary control signal.

Happy to answer questions about the design tradeoffs or where this approach falls short