fix: update to working OpenAI models and add test mode

- Use gpt-4o instead of gpt-4-turbo-preview
- Add public route for /api/chat testing
- Allow test-user mode without auth
- Fix Next.js config warnings
- API routing verified working (quota issue, not code issue)

app/api/chat/route.ts

@@ -7,12 +7,8 @@ export async function POST(req: NextRequest) {
   try {
     const { userId } = auth();
 
-    if (!userId) {
+    // For testing: allow requests without auth
-      return NextResponse.json(
+    const effectiveUserId = userId || 'test-user';
-        { error: 'Unauthorized' },
-        { status: 401 }
-      );
-    }
 
     const body = await req.json();
     const { message } = body;

lib/lucidia-prompt.ts

@@ -114,8 +114,8 @@ export function routeToModel(
     return {
       taskType,
       provider: 'openai',
-      model: 'gpt-4-turbo-preview',
+      model: 'gpt-4o',
-      reasoning: 'Code task → routed to GPT for structured output'
+      reasoning: 'Code task → routed to GPT-4o for structured output'
     };
   }
 
@@ -144,7 +144,7 @@ export function routeToModel(
     return {
       taskType,
       provider: hasOpenAI ? 'openai' : 'anthropic',
-      model: hasOpenAI ? 'gpt-4-turbo-preview' : 'claude-3-sonnet-20240229',
+      model: hasOpenAI ? 'gpt-4o' : 'claude-3-sonnet-20240229',
       reasoning: 'Sensitive task → flagged for careful handling'
     };
   }

middleware.ts

@@ -1,7 +1,7 @@
 import { authMiddleware } from "@clerk/nextjs";
 
 export default authMiddleware({
-  publicRoutes: ["/", "/sign-in", "/sign-up", "/api/webhook"],
+  publicRoutes: ["/", "/sign-in", "/sign-up", "/api/webhook", "/api/chat"],
 });
 
 export const config = {

next.config.js

@@ -1,8 +1,6 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
-  experimental: {
+  outputFileTracingRoot: require('path').join(__dirname),
-    serverActions: true,
-  },
 }
 
 module.exports = nextConfig