Not a generic smoke test. Every case exists because something specific went
wrong, and most were found on hardware after the suites were already green.
The sequences are load-bearing. Two defects this cycle only appeared in a
particular order of actions — play, enable background audio, background,
foreground, exit — and testing the same features in any other order found
neither. So the plan asks for that order explicitly rather than listing
"background audio" as a feature to try.
It also states plainly that a green conformance run is not sufficient evidence
to ship, because both regressions introduced during this work passed
conformance and were caught by a person using the app.
Includes a symptom-to-cause table, because none of these presented as their
cause: a dead play/pause button was an unobserved property, a black screen was
a float that could not become a Duration, and a scrub bar with no scale was a
duration of zero being believed.
"Known open" lists what is deliberately unfixed so each gets a decision rather
than a surprise — device-local resume, the unconfirmed handoff swap, and the
broken side-by-side debug install whose own error message advises an uninstall
that would destroy the real app's data.
dtourolle
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