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#InstanceLockProvider

#Import

typescript 
1import { InstanceLockProvider } from "@alepha/desktop/shell";

#Overview

One running instance per app identifier.

Taken by the shell before the server Worker starts, so before any secret is generated or any database opened: a second launch refuses rather than racing the first one's writes. The lock dies with the process, crash included, so a crash never leaves the app unable to start.