Collabs, as a third configuration of one panel

The same object as a collection and a gallery piece, so it is a config in
subjects.ts and a one-line panel — no new screen.

Two differences, both deliberate. It has no SPECS: a collab is a project rather
than an object, so there is no measurement or raw material and the form is a
name, an address and a description. And its title column is `project_name`,
which is the client's word and stays — the site's API publishes both that and
`title` so this panel reads one field like every other section, and the
translation lives in one router rather than as a branch in every screen.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

web/sections.ts

@@ -1,5 +1,5 @@
 import type { LucideIcon } from 'lucide-react';
-import { Boxes, Cog, Files, FolderOpen, GalleryHorizontal, Images, Mail, PanelsTopLeft, Shapes } from 'lucide-react';
+import { Boxes, Cog, Files, FolderOpen, GalleryHorizontal, Handshake, Images, Mail, PanelsTopLeft, Shapes } from 'lucide-react';
 
 /**
  * The sections of the fofos admin, in nav order.
@@ -38,6 +38,7 @@ import { Boxes, Cog, Files, FolderOpen, GalleryHorizontal, Images, Mail, PanelsT
 
 export type SectionKey =
   | 'administration'
+  | 'collabs'
   | 'collections'
   | 'pieces'
   | 'carousels'
@@ -171,6 +172,23 @@ export const SECTIONS: Section[] = [
     requires: 'connection',
     pinned: true,
   },
+  {
+    /*
+      Collaborations — the third section drawn through a template, and the flattest of the three.
+
+      Below Pieces because that is the order the sitemap puts them in, and it shares their panel: a
+      collab is the same object with the client's own word for its title and no specs.
+    */
+    key: 'collabs',
+    label: 'Collabs',
+    icon: Handshake,
+    hint: 'Projects made with somebody else',
+    path: '/fofos-admin/collabs',
+    built: true,
+    // A collab is a ROW read through the site's admin API, like Collections and Pieces above it.
+    requires: 'connection',
+    pinned: true,
+  },
   {
     key: 'carousels',
     label: 'Carousels',