BrowserInstruction

One item of browser_instructions, whose type names one of the 7 documented instructions.

BrowserInstruction=Annotated[
    _Click | _Input | _Scroll | _Wait | _FetchResource, Field(discriminator="type")
]

pyrefly checks this shape only in a value annotated with list[BrowserInstruction], not in a literal passed to a model.

JS Rendering & Browser Control gives each instruction’s keys.