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fix(moderation): colisao de query key causava crash intermitente na navegacao - #59
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…mente Causa raiz do "This page couldn't load" / React error #31 que so acontecia navegando entre abas (nunca num reload direto): a tela de moderacao usava a MESMA query key ["learning-track-overview", trackId] que 5 outras telas (trilhas, marcos, cursos, conquista, perfil publico) usam pra guardar o LearningTrackOverview cru — mas aqui a queryFn transformava o resultado pra so o titulo da secao (string). React Query cacheia por key, entao quem chegasse nessa chave depois de passar pela moderacao (ou vice-versa) podia receber o formato errado sem refetch (dado ainda fresco). Quando o objeto {track, sections} vazava pra onde se esperava uma string, {sectionTitle} tentava renderizar o objeto direto como filho do React -> crash. So acontecia as vezes (dependia da ordem/timing de navegacao) e sumia com reload porque isso limpa o cache em memoria. Fix: usa select do React Query em vez de transformar dentro da queryFn. Isso guarda o LearningTrackOverview cru no cache (compativel com todo mundo que usa a mesma key) e so extrai o titulo pra esse consumidor especifico, sem corromper o cache compartilhado. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Bug reportado
"This page couldn't load" intermitente ao navegar entre abas (nunca num reload direto). Console mostrava React error #31: "Objects are not valid as a React child (found: object with keys {track, sections})".
Causa raiz
moderation/page-content.tsx(useTrackSectionTitle) usava a mesma query key["learning-track-overview", trackId]que 5 outras telas usam pra guardar oLearningTrackOverviewcompleto — mas aqui oqueryFntransformava o resultado pra so uma string (titulo da secao).React Query cacheia por key. Se o usuario passasse pela moderacao e depois por qualquer uma das outras 5 telas (ou vice-versa) com o cache ainda "fresco", recebia o formato ERRADO sem refazer o fetch. Quando o objeto completo vazava pra onde se esperava uma string,
{sectionTitle}tentava renderizar o objeto direto -> crash. Intermitente porque dependia da ordem/timing de navegacao entre abas; sumia com reload porque isso limpa o cache em memoria do React Query.Fix
Troca a transformacao de dentro do
queryFnpra usar a opcaoselectdo React Query — o cache compartilhado sempre guarda oLearningTrackOverviewcru (compativel com todo mundo), e cada consumidor transforma o dado do jeito que precisa sem corromper o que os outros esperam.Test plan
npx tsc --noEmitCo-Authored-By: Claude Sonnet 5 noreply@anthropic.com