Why a strategy needs an off switch
Every rule set has conditions it was not designed for. Loss controls detect that the strategy is behaving outside its expected range and stop it before you find out the expensive way.
Layered limits
A common structure: a daily loss cap that halts trading for the session, a weekly cap that pauses until review, and a peak-to-trough drawdown limit that deactivates the strategy entirely.
Each layer should be meaningfully wider than the one below it, or the lower limit is the only one that ever fires.
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Set your loss controls now →Restarting deliberately
Reactivation should require you to look at what happened. A strategy that restarts automatically after hitting its drawdown limit is not really protected.