DuplicateEffect - CTRLRun

ctrlrun.DuplicateEffect — class, defined at src/ctrlrun/errors.py:126

class DuplicateEffect(CTRLRunError)
    def __init__(message: str | None, state: str, effect_key: str | None)

This logical effect already happened, or is happening now (SPEC-v0.1 §5.4). state is committed — the effect is done — or in_progress, meaning another attempt holds a live reservation on the key. Neither permits a second execution.

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