Three things Sonar was right about. The content panel had grown a filter, a
menu and an upload into one function of thirty-two branches: the filtering
is four pure rules in photoFilter.ts, the row that drives it is its own
component, and what is left in the panel is the grid and the drop zone. The
gallery rows behind an entry upload move out of the store's setter into a
named function, since five levels of nesting is a place bugs hide. And the
ids for placed elements come from getRandomValues rather than Math.random,
in one module instead of four copies of the same line: two editors minting
the same id for two elements is one of them losing their work.
The new paths carry tests now, which is what the gate was really asking
for: the filter's rules, the ids, the upload helper, the store's derived
gallery rows, the canvas file drop, and the shell's upload, drop and stop
switch.
Maurice
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