Styles and Sizes now name every size the one way (src/sizeText.js, shared):
templates.js carries each size as data (inches, side lanes, panels, paper),
and posterDesign.sizes gains sideLanes, packetPage1, panels and anySize in
all 11 locales, so Arabic readers no longer see "5 x 8 ft, side lanes" or
"Letter, portrait". A plugin's declared size (a ladder key, letter, a4) is
named through the shared ladder.
A plugin's design title came from its labelKey, but Poster Design's bundle
ships only the catalogue areas its own code names, so a plugin's own area
(upgMap, ...) read English. internal/profile-meta.mjs now resolves each
block's labelKey in every locale at build time and carries the titles in
manifest.json (posterDesignLabels, only beside a posterDesign block), and
Styles reads the reader's language from there.
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