## Session 5 — Creative + Three.js + xurl (June 15, 2026)

### Exercises
| # | Skill | Result |
|---|-------|--------|
| 1 | **Excalidraw** | Hand-drawn homelab diagram → `~/homelab.excalidraw` |
| 2 | **Three.js 3D Patterns** | Anchored scaling reference loaded for Hydro Builder water flow fix |
| 3 | **xurl (X/Twitter)** | CLI installed at `/opt/homebrew/bin/xurl`, needs OAuth setup |
| 4 | **Memory update** | Water flow pattern saved to `.hermes/memory_notes/` |

### Excalidraw Diagram
🎨 Hand-drawn network map at `~/homelab.excalidraw`
- Drag onto https://excalidraw.com to view
- Shows: WAN → Router → Proxmox → Services (Jellyfin, Vikunja, Langfuse, Qdrant, Gitea, The Hex)
- Legend included

### Three.js Water Flow Fix
💧 Anchored scaling pattern loaded for Hydro Builder:
- Water columns grow from inlet side, not from center
- `position.x = sign * (length/2) * (1 - fill)` 
- Fixes the direction bug

### xurl Status
🐦 Installed but needs user to register X API app & OAuth