35d84b6bff
Features: - Full RBAC with 3 roles (superadmin/manager/contributor) - Ownership tracking on posts, tasks, campaigns, projects - Task system: assign to anyone, filter combobox, visibility scoping - Team members merged into users table (single source of truth) - Post thumbnails on kanban cards from attachments - Publication link validation before publishing - Interactive onboarding tutorial with Settings restart - Full Arabic/English i18n with RTL layout support - Language toggle in sidebar, IBM Plex Sans Arabic font - Brand-based visibility filtering for non-superadmins - Manager can only create contributors - Profile completion flow for new users - Cookie-based sessions (express-session + SQLite)