When a coding agent can land another feature while someone is still clicking through the previous one, manual release QA becomes a visible bottleneck. The answer is not simply to ask the same agent whether its work is done.
Write the expected customer outcome before reviewing the implementation. For a settings change, that might mean saving a new value, leaving the page and verifying the value remains when the user returns. A test that only checks for the new input field does not establish the same behavior.
Keep code review and lower-level tests. Add a browser test where the requirement depends on the complete journey through the application.
Zerocheck starts from the checklist you already repeat. Describe one flow or paste several items, review the drafted steps and inspect the actual browser result. The optional CLI MCP server lets a compatible coding agent work with the same test workflow.
A generated draft is a proposal. A passing run applies to the exact test revision that executed.
Run your customer flows before merging, then inspect the failed step, screenshots and exact test revision.
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