Initial commit — Meridian OS browser desktop demo

README.md

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+# Meridian OS
+
+A browser-based desktop environment designed to live inside a video game.
+Elegant, restrained, gamer-literate — no AI-slop aesthetics, no emoji stuffing.
+
+## Live Demo
+
+```bash
+git clone https://git.nuri.works/nuri-ai/meridian-os.git
+cd meridian-os
+./serve.sh           # Starts on http://localhost:8921
+```
+
+Open the URL, type any name to log in, start exploring.
+
+## Features
+
+- **Login screen** with persistent session (localStorage)
+- **Six wallpapers** — Graphite, Ember, Tide, Vellum, Eclipse, Terminal — with crossfade transition
+- **Window manager** — draggable, minimizable, closeable, cascading layout, focus-on-click
+- **Taskbar** with launcher, active-app chips, and status bar (user initials, connection dot, live clock)
+- **Widgets tray** — clock + date, active apps, achievements
+- **Seven apps:**
+  - Notepad (auto-save, word count)
+  - Music Player (three tracks, play/pause/seek/volume)
+  - Terminal (real commands + twelve gamer easter eggs)
+  - Steam (spoof library with seven titles)
+  - VS Code (spoof editor with fake TypeScript highlighting)
+  - Postman (spoof request builder with fake responses)
+  - Chrome (spoof browser-in-browser with shortcut tiles)
+- **Achievement system** — ten achievements across Elden Ring, Call of Duty, and FIFA, unlocked through real usage
+
+## Terminal Easter Eggs
+
+Try these in the Terminal app:
+
+| Command | Response |
+| --- | --- |
+| `praise_the_sun` | Elden Ring grace quote |
+| `tarnished` | Elden Ring greeting |
+| `try finger, but hole` | Dark Souls message joke |
+| `siuuu` | FIFA celebration |
+| `golazo` | FIFA broadcast line |
+| `wonderkid` | FIFA career-mode regen joke |
+| `dropshot` | CoD hitmarker |
+| `360_noscope` | CoD montage ASCII |
+| `mw2` | Classic callback |
+| `konami` | Cheat code joke |
+| `matrix` | ASCII rain animation |
+
+All real commands work too: `help`, `ls`, `whoami`, `date`, `uname`, `echo`, `cat`, `clear`, `history`, `achievements`, `exit`.
+
+## Architecture
+
+```
+index.html
+├─ css/
+│   ├─ tokens.css     Design tokens (colors, type, spacing)
+│   ├─ reset.css
+│   ├─ shell.css      Desktop, taskbar, login, wallpaper
+│   ├─ window.css     Window chrome, resize, drag
+│   └─ apps.css       Per-app styles (scoped by [data-app])
+└─ js/
+    ├─ main.js        Entry + app registration
+    ├─ core/          state, auth, wm, registry, bus
+    ├─ widgets/       clock, active-apps, achievements, wallpaper
+    ├─ apps/          notepad, music, terminal, steam, vscode, postman, chrome
+    └─ achievements/  catalog + engine
+```
+
+No build step. No frameworks. Vanilla JavaScript ES modules.
+
+## Design Tokens
+
+- Base: `#0f1114` (slate), `#1a1d21` (chrome), `#252a31` (elevated)
+- Accent: `#d4a24c` (amber)
+- Font: Inter 400 / 500 / 600
+- Borders: 1px at 6–14% white
+- No heavy shadows, no neon, no emoji in UI chrome
+
+## Built With
+
+This project was built using **frontier-planner-mode** — a delegation pattern
+where a frontier model (Opus 4.7) handles architecture and decisions while an
+on-prem executor (Qwen3.6-35B on MLX) handles heavy token generation. Roughly
+93k output tokens of implementation were produced by the executor across three
+parallel streams while the planner stayed in architect mode.
+
+## License
+
+Personal demo. Do what you want with it.