Initial commit

frontend/vite.config.ts

@@ -0,0 +1,48 @@
+/// <reference types="vitest/config" />
+import react from '@vitejs/plugin-react'
+import { defineConfig, type ProxyOptions } from 'vite'
+
+// The Go API behind this dev server. Override when the API runs elsewhere,
+// e.g. API_URL=http://127.0.0.1:8080 npm run dev.
+const apiUrl = process.env.API_URL ?? 'http://localhost:8080'
+
+// /api is proxied so the browser only ever sees the vite origin
+// (localhost or *.preview.k6n.net): OIDC redirects land on the same host
+// and session cookies stay first-party. X-Forwarded-Host/Proto tell the
+// backend which public origin to bake into redirect URIs — behind the
+// preview ingress the incoming request already carries a forwarded proto,
+// which wins over the local http connection.
+const apiProxy: ProxyOptions = {
+  target: apiUrl,
+  configure: (proxy) => {
+    proxy.on('proxyReq', (proxyReq, req) => {
+      const host = req.headers.host
+      if (host !== undefined) proxyReq.setHeader('X-Forwarded-Host', host)
+      const protoHeader = req.headers['x-forwarded-proto']
+      const local = (req.socket as { encrypted?: boolean }).encrypted ? 'https' : 'http'
+      const proto = (Array.isArray(protoHeader) ? protoHeader[0] : protoHeader) ?? local
+      proxyReq.setHeader('X-Forwarded-Proto', proto)
+    })
+  },
+}
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    host: '0.0.0.0',
+    port: 5173,
+    allowedHosts: ['.preview.k6n.net'],
+    proxy: {
+      '/api': apiProxy,
+    },
+  },
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    setupFiles: ['./tests/setup.ts'],
+    include: ['tests/**/*.test.{ts,tsx,mjs}', 'src/**/*.test.{ts,tsx}'],
+    // jsdom forks are memory-hungry; parallel workers can OOM on busy hosts.
+    maxWorkers: 2,
+  },
+})