Запрос на слияние 'feat/web-mobile-ux' (#8) из feat/web-mobile-ux в master

feat(telegram): one-tap account link and webhook health

test(web): add Playwright UI smoke for layout and composer unlock

fix(web): mobile DeepSeek-style composer and unlock stream Stop

merge: sync feat/web-mobile-ux with origin/master

docs(web): clarify offer, features, and plain-Russian copy

fix(web): mobile chat/rail layout and static page scroll

feat(projects): memory-aware chat, consent cards, and clearer project UX

feat(web): add favicon for Yandex Webmaster and all public pages

fix(deploy): strip CRLF from .env.prod and add postgres password sync script

fix(legal): fill OOO ML-DRAIV requisites for YooKassa onboarding

feat(seo): Лili Шпаргалки series — 5 pages, hub, Telegram deep links

fix(seo): quote YAML lines with @ handles

fix(seo): quote YAML FAQ answer with colon

feat(seo): curated 18 quality pages, drop thin bulk

feat(analytics): Webvisor, Webmaster verify, and Metrika user ID

feat(auth): separate login and optional display name

feat(admin): show short user ID to distinguish same display names

feat(auth): name-only registration and visible users in admin

feat(admin,brand): Lili rebrand, admin dashboard, and Yandex Metrika