Release v0.5.0: Gemini 3.6 Flash support, Model Presets UI, Zlib deco…

…mpression

ci: replace npm ci with npm install for website build to fix platform…

… lockfile issue

feat: bump to v0.4.0, add ephemeral replies and LaTeX support, update…

… site and docs

Release v0.3.1: Bilingual README setup and Web App Admin Panel launch…

… tooling

Release v0.3.0: Web App Admin Panel, ngrok integration, and startup s…

…cripting

Release v0.2.0 - Telegram Bot API 10.1 Rich Messages support, direct …

…channel publishing via DM (/post), Structured Outputs for Gemini, and localized companion website (EN/RU).