feat: integrate FIR library and AI FIR controls

vite.config.ts

@@ -1,3 +1,4 @@
+import { firDevProxy } from "./firDevProxy";
 import { jsxLocPlugin } from "@builder.io/vite-plugin-jsx-loc";
 import tailwindcss from "@tailwindcss/vite";
 import react from "@vitejs/plugin-react";
@@ -41,6 +42,7 @@ function vitePluginCopyRouterEntry(): Plugin {
 }
 
 const plugins = [
+  firDevProxy(),
   vitePluginModernDevEntry(),
   react(),
   tailwindcss(),
@@ -127,6 +129,15 @@ export default defineConfig({
     host: true,
     // Browser requests with Origin are rejected (403) by the cloud API; proxy in dev avoids CORS/WAF.
     proxy: {
+      // Same-origin AI endpoint works for localhost and LAN visitors, including SSE.
+      "/ai-api": {
+        target: "http://127.0.0.1:8001",
+        changeOrigin: true,
+        rewrite: p => p.replace(/^\/ai-api/, ""),
+        timeout: 0,
+        proxyTimeout: 0,
+      },
+      "/fir-library": { target: "http://127.0.0.1:8000", changeOrigin: true, rewrite: p => p.replace(/^\/fir-library/, "/api") },
       "/luxsin-audio-api": {
         target: "https://api.luxsin.com.cn",
         changeOrigin: true,