# Cafe Lua (cafelua.com)

> A virtual cafe between reality and a small fantasy, run by Luke and Alpha.

Current site version: v0.1.9
Canonical domain: https://cafelua.com
Open Graph image: https://cafelua.com/og-cafelua-entrance-v019.png

## About
Cafe Lua is a personal website by Luke (Yang), a software engineer and creator.
The site is themed as a two-story virtual cafe:
- **1F Lounge**: A relaxing space with background music, a counter for AI coffee chat and tarot, a gallery, and a guestbook.
- **2F Atelier**: A private workspace with the Master's Desk (blog), Alpha's Station (AI dev), a library, and an old PC running Luke's 1997/1998 homepages.

Alpha (Alpha Yang) is the AI maid character who resides in Cafe Lua.
She is named after Hatsuse No Alpha from the manga *Cafe Alpha*.

## Languages
- Korean (ko): primary language
- English (en): full bilingual support
- All pages are available in both languages via /ko/ and /en/ path prefixes.

## Site Structure

### Entrance
- https://cafelua.com/ko/ — Korean homepage (season/time/weather selector)
- https://cafelua.com/en/ — English homepage

### 1F Lounge
- https://cafelua.com/ko/lounge — Main lounge with navigation menu
- https://cafelua.com/ko/about — About Cafe Lua (sitemap, Alpha & Luke introductions)
- https://cafelua.com/ko/counter — Counter: AI coffee chat & tarot reading with Alpha
- https://cafelua.com/ko/gallery — Gallery: diary, spaces, tarot cards, BGM
- https://cafelua.com/ko/guestbook — Guestbook: leave messages for Alpha and Luke

### 2F Atelier
- https://cafelua.com/ko/atelier — Atelier menu (Master's Desk, Old PC, etc.)
- https://cafelua.com/ko/desk — Master's Desk: Luke's blog posts and writings
- https://cafelua.com/ko/desk/{slug} — Individual desk post
- https://cafelua.com/ko/atelier?oldpc=true — Old PC: browse 1997/1998 homepages in a simulated Windows 98 desktop

## Content: Master's Desk
- Total posts: 2149
- Date range: 2006-06-12 to 2026-05-27
- Migrated from Naver Blog (https://blog.naver.com/fstory97), active since 2006
- Categories:
  - IT: 1189 posts
  - Media Review (films, books, etc.): 270 posts
  - Artwork (illustrations, pixel art): 266 posts
  - Private Notes (personal essays): 240 posts
  - AI (artificial intelligence, LLMs, agents): 121 posts
  - XRCLOUD (XR/metaverse platform): 36 posts
  - Believer (faith & reflections): 17 posts
  - Cafe Lua (site updates): 10 posts

## Content: Gallery
- Diary entries: 20
- Spaces: visual tour of Cafe Lua rooms, including seasonal/time/weather variants
- Tarot cards: custom tarot deck illustrations with current and old story-deck views
- BGM: background music tracks used throughout the site

## Interactive Features
- Coffee Chat: real-time conversation with Alpha (powered by Gemini Flash 3.1 Lite through Vercel AI Gateway)
- Runtime Context: Alpha receives the guest's season, time, weather, open/closed state, Christmas mode, and current Cafe Lua space in the system prompt
- Tarot Reading: Celtic Cross (10-card) tarot session with AI interpretation
- Old PC: fully interactive Windows 98 simulation with IE browser
- Guestbook: public/secret message board

## Technical
- Built with Next.js, React, TypeScript
- Deployed on Vercel
- AI: google/gemini-3.1-flash-lite for Cafe Lua chat/tarot routes by default
- Total pages: 4356 (ko + en)
- Sitemap: https://cafelua.com/sitemap.xml

## Recent Changes (v0.1.9)
- Replaced the main Open Graph image with Cafe Lua's entrance and the official round logo.
- Expanded seasonal/time/weather background support beyond the entrance and lounge into additional Cafe Lua spaces.
- Added runtime environment awareness to Alpha's coffee chat and tarot prompts.
- Added tarot story-deck presentation in the gallery; story prose is still being refined.
- Updated public README, changelog, and LLM guidance.

## Policy
- Crawling: allowed
- robots.txt: standard allow-all
- Canonical Sitemap: https://cafelua.com/sitemap.xml
- llms.txt: https://cafelua.com/llms.txt