VIBN Frontend for Coolify deployment

app/api/v0/iterate/route.ts

@@ -0,0 +1,41 @@
+import { NextResponse } from 'next/server';
+import { v0 } from 'v0-sdk';
+
+export async function POST(request: Request) {
+  try {
+    const { chatId, message, projectId } = await request.json();
+
+    if (!chatId || !message) {
+      return NextResponse.json(
+        { error: 'Missing required fields: chatId and message' },
+        { status: 400 }
+      );
+    }
+
+    console.log(`[API] Iterate request for chat ${chatId}`);
+
+    // The v0 SDK doesn't support sending follow-up messages via API
+    // Users need to continue the conversation on v0.dev
+    const webUrl = `https://v0.dev/chat/${chatId}`;
+
+    return NextResponse.json({
+      success: true,
+      chatId: chatId,
+      webUrl: webUrl,
+      message: 'To continue this conversation, please visit the chat on v0.dev',
+      note: 'The v0 API does not currently support sending follow-up messages. Use the web interface to iterate on your design.',
+      yourMessage: message,
+    });
+  } catch (error) {
+    console.error('[API] Error processing iteration request:', error);
+    
+    return NextResponse.json(
+      { 
+        error: error instanceof Error ? error.message : 'Failed to process request',
+        details: error instanceof Error ? error.stack : undefined,
+      },
+      { status: 500 }
+    );
+  }
+}
+