feat: align frontend runtime and Edge TTS

vite.config.ts

@@ -2,6 +2,7 @@ import tailwindcss from "@tailwindcss/vite";
 import react from "@vitejs/plugin-react-swc";
 import { defineConfig, loadEnv, type Plugin, type PreviewServer, type ViteDevServer } from "vite";
 import { fileURLToPath, URL } from "node:url";
+import { createEdgeTtsMiddleware } from "./server/edge-tts-service";
 
 const RUNTIME_CONFIG_PATH = "/runtime-config.js";
 
@@ -20,6 +21,7 @@ function renderRuntimeConfig(values: Record<string, string>) {
 
 function runtimeConfigPlugin(values: Record<string, string>): Plugin {
   const installMiddleware = (server: ViteDevServer | PreviewServer) => {
+    server.middlewares.use(createEdgeTtsMiddleware());
     server.middlewares.use((request, response, next) => {
       if (request.url?.split("?", 1)[0] !== RUNTIME_CONFIG_PATH) {
         next();
@@ -42,8 +44,6 @@ function runtimeConfigPlugin(values: Record<string, string>): Plugin {
 
 export default defineConfig(({ mode }) => {
   const env = loadEnv(mode, process.cwd(), "");
-  const agentBaseUrl =
-    env.AGENT_API_INTERNAL_BASE_URL || env.TJWATER_AGENT_API_BASE_URL || "http://127.0.0.1:8787";
 
   return {
     plugins: [runtimeConfigPlugin(env), react(), tailwindcss()],
@@ -52,14 +52,6 @@ export default defineConfig(({ mode }) => {
         "@": fileURLToPath(new URL("./src", import.meta.url))
       }
     },
-    server: {
-      proxy: {
-        "/api/v1/agent/chat": {
-          target: agentBaseUrl,
-          changeOrigin: true
-        }
-      }
-    },
     test: {
       environment: "jsdom",
       globals: true,