v0.26.0

Changelog

• 41e15d2 build: gate de sync de scripts e suite de validadores
• bdb06d6 chore(release): update CHANGELOG.md and VERSION for v0.26.0 [skip ci]
• 380a3b0 docs(specs): artefatos PRD-first da auditoria production-proof
• 7c8d78e feat(install): paridade cross-CLI de validadores e metadado category
• 57afd0c feat(skills): endurecimento production-proof da cadeia de governanca
• a34df86 fix(production-proof): corrige 14 achados cross-tool na causa raiz e remove bubbletea
• bbd30ab fix(skillbump): pular skill removida desde a ultima tag