Board "Acompanhe de perto" (S1) ganha o feed automático do canal oficial:
global SocialFeedSettings (admin-only, kill switch + toggle + maxItems +
exclusões por item), loader src/utilities/youtubeFeed.ts (Data API v3
search→statistics, unstable_cache tag social-feed + revalidate 300,
fail-closed com snapshot persistido via SQL direto — revalidateTag dentro
de unstable_cache lança no Next 15.4), card generalizado
(CampaignArticleCard → CampaignContentCard, external com noopener) e merge
por recência com o grande = mais recente elegível. Stub HTTP do YouTube no
webServer do Playwright (porta dev+1000) + 4 e2e novos no describe serial.
Migration 20260818_111748_add_social_feed_settings (não destrutiva).
Closes#18
Fold duplicated campanha access, loaders, list/filter/form shells, and scripts into shared modules; reorganize utilities by domain; stabilize e2e; and document prevention-first audit workflow so the same smells cannot creep back in.