Audit 14.2 (t4 lines 693/706): content was top-anchored in a plain
SingleChildScrollView; the prototype anchors it to the bottom with two
flexible spacers, so the CTA sits at the screen edge. Restructured as
a scrollable Expanded region (safe on short screens / large text
scale) with the CTA pinned below it, always at the bottom.
Audit 14.1 (t4 lines 687-689): added the full-bleed blurred banner
backdrop, reusing aurora_wave_banner.png (the same asset the deleted
PluriScreenHeader used) since this app has no bundled equivalent of
the prototype's mockup-only banner.jpg.
No monetization content touched (PRO pill, "14 días", pricing card,
free-version link all remain absent per the binding no-monetization
decision).
Build the first-run welcome surface from mockup screen 14, stripped of
its entire monetization block: no PRO pill, no "14 dias PRO gratis"
trial line, no pricing card, no secondary "free version" link. Ships
only logo, headline, body copy, exactly 3 feature bullets, and the
single "Empezar a escuchar" CTA, as a full-screen route (not a modal).
Spanish copy is re-cast from the mockup's "tu" form to the app's
established voseo register (matching ~750 existing app_es.arb lines),
using "auto" instead of "coche" per the one existing precedent. The 3
bullet icons reuse existing tokens (electricMagenta/liveGreen/
warmCoral) that already match the mockup's own hex values for them.
CTA switches to the Escuchar tab and pops the route. Wiring this
screen into the real first-launch flow (main.dart/app.dart) is left
for a follow-up unit, same shape as WU15/WU15b - this WU only covers
the isolated, tested screen per its own task list and verify command.
WU17.
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