fix(prod-hotfix)!: serve_cmd referenced deleted picarones.web package

feat(sprint-H.4)!: drop _legacy/ prefix — interfaces/{cli,web} consolidées

feat: audit S59 institutionnel — 2 BLOCKER + 4 HIGH + 3 MEDIUM corrigés

refactor: audit S58 — 2 HIGH + 4 MED + 4 LOW bricolages corrigés

feat(interfaces/web): Sprint A14-S49 — sécurité web (fix audit #3)

feat(interfaces/web): Sprint A14-S38 — UI Jinja2 + static + i18n FR/EN

feat(adapters/storage,interfaces/web): Sprint A14-S37 — JobStore + jobs router

feat(interfaces/web): Sprint A14-S36 — routers corpus + benchmark

feat(interfaces/web): Sprint A14-S35 — squelette FastAPI natif