Initial open-source release (MIT): image2api AI gateway

Full Go backend + Vue 3 frontend, OpenAI-compatible API, multi-provider
account pools, billing/admin, Docker one-command deploy with auto HTTPS.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/vite.config.js

@@ -0,0 +1,39 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+import tailwindcss from '@tailwindcss/vite'
+
+// Dev server proxies backend routes to the Go backend (default :6666) so the
+// frontend can use relative paths exactly like the old static UI did. Override
+// the target with VITE_BACKEND when the backend runs elsewhere.
+const backend = process.env.VITE_BACKEND || 'http://127.0.0.1:6666'
+
+// Vite's underlying http-proxy doesn't add X-Forwarded-For / X-Real-IP by
+// default, so the backend just sees the proxy's loopback address as the
+// caller and stamps every login as 127.0.0.1. This hook forwards the real
+// socket peer instead. (Only useful when the dev server is reachable from
+// another device on the LAN — same-machine browsing is genuinely 127.0.0.1.)
+function forwardClientIp(proxy) {
+  proxy.on('proxyReq', (proxyReq, req) => {
+    const ip = (req.socket && req.socket.remoteAddress) || ''
+    if (!ip) return
+    const existing = req.headers['x-forwarded-for']
+    proxyReq.setHeader('x-forwarded-for', existing ? `${existing}, ${ip}` : ip)
+    if (!req.headers['x-real-ip']) proxyReq.setHeader('x-real-ip', ip)
+  })
+}
+
+export default defineConfig({
+  plugins: [vue(), tailwindcss()],
+  server: {
+    port: 5173,
+    proxy: {
+      // Only the admin API is proxied — bare /admin/* is an SPA route now
+      // (the admin shell), handled client-side by vue-router.
+      '/admin/api': { target: backend, changeOrigin: true, configure: forwardClientIp },
+      '/health': { target: backend, changeOrigin: true, configure: forwardClientIp },
+      // Generated artifacts are served from /images.
+      '/images': { target: backend, changeOrigin: true, configure: forwardClientIp },
+      '/v1': { target: backend, changeOrigin: true, configure: forwardClientIp },
+    },
+  },
+})