The provider's Linux decisions now live in LinuxScopeSelector, a state machine
over injected observations: the deep probe, the user-manager listener, the
manager confirmation, and the systemd-run binary identity. Each decision
carries its reason and probe trigger, the runtime logs it at debug level, and
table-driven scenarios cover every transition.
- A positive verdict probes again when the systemd-run found through PATH
changes device, inode, size, or modification time, so an in-place upgrade
past v254 cannot reuse options that no longer keep argv literal.
- The listener is read before the probe, so a manager that starts during a
failed probe counts as a new listener.
- The kernel socket table is decoded as UTF-8, matching runtime directories
outside ASCII.
- LinuxScopeNotStartedError drops its unused code field.
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