update remove vite config aiPlugin

.env.local.example

@@ -1,6 +0,0 @@
-# Shopify (defaults to mock.shop if unset)
-VITE_SHOPIFY_DOMAIN=mock.shop
-VITE_SHOPIFY_STOREFRONT_ACCESS_TOKEN=
-
-# Anthropic — used by /api/chat. Required for the AI panel.
-ANTHROPIC_API_KEY=

vite.config.ts

@@ -1,56 +1,7 @@
-import { defineConfig, loadEnv, type Plugin } from "vite";
+import { defineConfig, loadEnv } from "vite";
 import react from "@vitejs/plugin-react";
 import path from "node:path";
 
-function apiChatPlugin(): Plugin {
-  return {
-    name: "api-chat-middleware",
-    configureServer(server) {
-      server.middlewares.use("/api/chat", async (req, res, next) => {
-        if (req.method !== "POST") return next();
-        try {
-          const mod = await server.ssrLoadModule("/api/chat.ts");
-          const handler = (mod as { POST: (req: Request) => Promise<Response> })
-            .POST;
-
-          const chunks: Buffer[] = [];
-          for await (const c of req) chunks.push(c as Buffer);
-          const body = chunks.length ? Buffer.concat(chunks) : undefined;
-
-          const headers = new Headers();
-          for (const [k, v] of Object.entries(req.headers)) {
-            if (Array.isArray(v)) headers.set(k, v.join(", "));
-            else if (typeof v === "string") headers.set(k, v);
-          }
-
-          const fetchReq = new Request(
-            `http://localhost${req.url ?? "/api/chat"}`,
-            { method: "POST", headers, body },
-          );
-          const response = await handler(fetchReq);
-
-          res.statusCode = response.status;
-          response.headers.forEach((value, key) => res.setHeader(key, value));
-
-          if (response.body) {
-            const reader = response.body.getReader();
-            while (true) {
-              const { done, value } = await reader.read();
-              if (done) break;
-              res.write(Buffer.from(value));
-            }
-          }
-          res.end();
-        } catch (err) {
-          console.error("/api/chat error", err);
-          res.statusCode = 500;
-          res.end(err instanceof Error ? err.message : "internal error");
-        }
-      });
-    },
-  };
-}
-
 export default defineConfig(({ mode }) => {
   const env = loadEnv(mode, process.cwd(), "");
   for (const k of Object.keys(env)) {
@@ -58,7 +9,7 @@ export default defineConfig(({ mode }) => {
   }
 
   return {
-    plugins: [react(), apiChatPlugin()],
+    plugins: [react()],
     resolve: {
       alias: {
         "@": path.resolve(__dirname, "."),