feat: initial Honcho UI scaffold

React 19 + Vite 8 + TanStack Router SPA for browsing and chatting with
a self-hosted Honcho instance. Configurable base URL stored in localStorage
only. Dark/light theme, framer-motion animations, lucide-react icons.

vite.config.ts

@@ -0,0 +1,26 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import { tanstackRouter } from "@tanstack/router-plugin/vite";
+import tailwindcss from "@tailwindcss/vite";
+import { fileURLToPath } from "url";
+import path from "path";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+export default defineConfig({
+	plugins: [tanstackRouter({ autoCodeSplitting: true }), react(), tailwindcss()],
+	resolve: {
+		alias: {
+			"@": path.resolve(__dirname, "./src"),
+		},
+	},
+	server: {
+		proxy: {
+			"/api-proxy": {
+				target: "http://localhost:8000",
+				changeOrigin: true,
+				rewrite: (p) => p.replace(/^\/api-proxy/, ""),
+			},
+		},
+	},
+});