Vite devserver configuration that behaves correctly for auth-host, serving the profile view at site root and /admin/ instead of under /auth/.

frontend/vite.config.js

@@ -5,17 +5,50 @@ import vue from '@vitejs/plugin-vue'
 import { existsSync, renameSync, mkdirSync } from 'node:fs'
 import sirv from 'sirv'
 
+// Auth host mode: when set, clients accessing the auth host get /auth/ at / and /auth/admin/ at /admin/
+const authHost = process.env.PASKIA_AUTH_HOST
+
 export default defineConfig(({ command }) => ({
   appType: 'mpa',
   publicDir: 'public',
   plugins: [
     vue(),
+    // Auth host routing: rewrite paths when accessing dedicated auth host
+    // Must run before serve-examples to handle / correctly
+    authHost && {
+      name: 'auth-host-routing',
+      configureServer(server) {
+        server.middlewares.use((req, _res, next) => {
+          const host = req.headers.host?.split(':')[0]
+          // Check if request is coming to the auth host
+          if (host === authHost) {
+            // Only rewrite specific paths that should map to /auth/*
+            // Rewrite / and /index.html to /auth/
+            if (req.url === '/' || req.url === '/index.html') {
+              req.url = '/auth/'
+            }
+            // Rewrite /admin/* to /auth/admin/*
+            else if (req.url.startsWith('/admin/') || req.url === '/admin') {
+              req.url = '/auth' + req.url
+            }
+            // Everything else (Vite paths, passphrase links, etc.) passes through unchanged
+          }
+          next()
+        })
+      }
+    },
     {
       name: 'serve-examples',
       configureServer(server) {
         const examplesDir = resolve(__dirname, '../examples')
         const serve = sirv(examplesDir, { dev: true })
         server.middlewares.use((req, _res, next) => {
+          // Skip redirect to examples on auth host (handled by auth-host-routing)
+          const host = req.headers.host?.split(':')[0]
+          if (authHost && host === authHost) {
+            next()
+            return
+          }
           if (req.url === '/' || req.url === '/index.html') req.url = '/examples/'
           next()
         })
@@ -46,7 +79,7 @@ export default defineConfig(({ command }) => ({
         }
       }
     }
-  ],
+  ].filter(Boolean),
   resolve: {
     alias: { '@': fileURLToPath(new URL('./src', import.meta.url)) }
   },