A shop can be renamed and, while empty, removed - from head office

The display name was always meant to be editable and the slug frozen;
until now neither had a way in. PATCH /api/sites/{site} takes a name
and a timezone (manager and above), DELETE removes an empty shop
(owner). The shop drawer in head office gets both, with the short name
shown read-only and the reason beside it.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KGcjxF1cNLcuwc3DAPcnfj

server/internal/web/dist/index.html

@@ -6,8 +6,8 @@
     <meta name="color-scheme" content="dark" />
     <link rel="icon" type="image/png" href="/favicon.png" />
     <title>Behavision</title>
-    <script type="module" crossorigin src="/assets/index-CAACw-qR.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-KC4SOUb9.css">
+    <script type="module" crossorigin src="/assets/index-Ckr5hGZd.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-D4KGRSVS.css">
   </head>
   <body>
     <div id="root"></div>