Frontend Testing Debugging Invocation Contract This skill should work from normal user prompts. Do not require the user to spell out Browser routing, screenshots, report shape, or fallback policy. Use this skill when the user asks to use the Build Web Apps plugin, web dev plugin, frontend dev plugin, or frontend testing/debugging skill for a rendered frontend change, test, or bug investigation. Examples that should trigger this full workflow: - - - - From a brief prompt, infer the target surface from the repo, currently open app/browser URL, nearby files, or running dev server. If the target…