feat(ui): implement responsive bottom nav and polish interface metrics & localization

See merge request !9

feat(fe): standardize i18n, fix active header highlight and convert template...

See merge request !8

feat(fe): standardize i18n, fix active header highlight and convert template select to custom dropdown

feat(dashboard): integrate live analytics stats, quota widget, and mobile 2-col layout

See merge request !7

Feat/header ux polish and page titles

See merge request !6

feat(ui): polish header controls, standardize page titles, and fix auth form UX

See merge request !5

feat(auth): implement Auth & RBAC system with Next.js BFF and HttpOnly cookies

See merge request !4

feat(client): implement silent refresh token, swagger types, and zod schemas

See merge request !3

feat(ui): implement light-dark-system theme and bilingual en-vi support

See merge request !2

feat(ai): initialize 4-folder AI architecture and enforce biophilic design system

See merge request !1

feat: initialize data crawler fe with Next.js 16, Tailwind CSS, shadcn/ui, TanStack Query, React Hook Form, Zod, and Axios