Add public curator notes and U-shaped hall wall hang.

Paintings get editable curator notes with brass plates in the 3D hall, and visit order now uses the far/end wall between left and right.

Co-authored-by: Cursor <cursoragent@cursor.com>

infra/docker/DEPLOY-truenas.md

@@ -34,7 +34,7 @@ If deploy fails with **`manifest unknown`**, the image is not in Gitea yet — c
 **Where:** Dev PC — **PowerShell as Administrator** (LAN push hosts entry), **Docker Desktop running**
 
 ```powershell
-cd C:\Users\SNAP\Nextcloud\Personal\Repo\Gallery
+cd T:\Repo\Gallery
 docker login gitea.mysuperlab.netcraze.pro
 npm run prod:docker:publish
 ```
@@ -83,7 +83,7 @@ Enable SMB share **`Gallery`** → `/mnt/BasePool/Applications/Gallery` (for ima
 
 ```powershell
 net use \\192.168.10.122\Gallery /user:YOUR_TRUENAS_USER
-cd C:\Users\SNAP\Nextcloud\Personal\Repo\Gallery
+cd T:\Repo\Gallery
 npm run devtoprod:images
 ```