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A rebuilt machine looks finished and isn't. Five gaps surfaced on velox within two days of its reinstall. Three looked fine on inspection: a stowed unit file, an enabled-looking timer, a present git clone. The script runs those five checks and prints a line for each whether or not it finds anything.
Every probe fails closed. A check that cannot run reports a finding rather than a pass, which matters more here than anywhere: a silent no-op in the checker is the exact failure it exists to catch. `systemctl --user` exits 1 with empty output when there is no user bus, so reading that as "no failed units" would call a machine healthy at the moment nothing was checked. Calls are bounded for the same reason. A check that hangs reports nothing at all, and the machine most in need of checking is the one it hangs on.
I suppressed three classes of finding, each because the live run produced them and reality disagreed. A timer-activated service is supposed to sit linked and not enabled. One expected tooling file is seed-only, so most projects legitimately never have one. Vendored package trees ship their own example files. Left in, those were 19 of the first run's 27 findings, and a check nobody reads is a check that isn't run.
The post-install checklist points at it, and 58 tests cover it.
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