Add LAN deploy scripts and improve admin billing/users UX.

Provide rsync deploy and restart tooling for the 100 server, document the workflow, and add pagination plus user filtering across billing and user management pages.

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

vite.config.ts

@@ -17,6 +17,16 @@ export default defineConfig(({ mode }) => {
         '/admin-api': backendTarget,
       },
     },
+    preview: {
+      host: '127.0.0.1',
+      port: 5174,
+      strictPort: true,
+      proxy: {
+        '/api': backendTarget,
+        '/auth': backendTarget,
+        '/admin-api': backendTarget,
+      },
+    },
     build: {
       outDir: 'dist',
       emptyOutDir: true,