Release version 1.0.5

Chat Message Admin Improvements: 3 API endpoints, 9 page HTML split, chat-log UI with delete/confirm/pagination/filter/bulk delete

CI/CD Improvements: Go cache fix, lint script, Vite env cleanup, chat start_period 30s, nginx health check, log dump on fail

frontend/admin/index.html

@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="../src/style.css" />
 </head>
 
-<body class="admin-body" data-admin-default-moderator="%VITE_PUBLIC_ADMIN_DEFAULT_MODERATOR%" data-admin-default-room="%VITE_PUBLIC_ADMIN_DEFAULT_ROOM%" data-admin-moderation-log-limit="%VITE_PUBLIC_ADMIN_MODERATION_LOG_LIMIT%">
+<body class="admin-body">
     <div class="admin-shell">
         <aside class="admin-sidebar" aria-label="Primary">
             <div class="brand-block">