VIBN Frontend for Coolify deployment

app/api/ai/conversation/route.ts

@@ -0,0 +1,54 @@
+import { NextResponse } from 'next/server';
+import { getAdminDb } from '@/lib/firebase/admin';
+
+type StoredMessageRole = 'user' | 'assistant';
+
+type ConversationMessage = {
+  role: StoredMessageRole;
+  content: string;
+  createdAt?: { _seconds: number; _nanoseconds: number };
+};
+
+type ConversationResponse = {
+  messages: ConversationMessage[];
+};
+
+export async function GET(request: Request) {
+  try {
+    const url = new URL(request.url);
+    const projectId = (url.searchParams.get('projectId') ?? '').trim();
+
+    if (!projectId) {
+      return NextResponse.json(
+        { error: 'projectId is required' },
+        { status: 400 },
+      );
+    }
+
+    const adminDb = getAdminDb();
+    const docRef = adminDb.collection('chat_conversations').doc(projectId);
+    const snapshot = await docRef.get();
+
+    if (!snapshot.exists) {
+      const empty: ConversationResponse = { messages: [] };
+      return NextResponse.json(empty);
+    }
+
+    const data = snapshot.data() as { messages?: ConversationMessage[] };
+    const messages = Array.isArray(data.messages) ? data.messages : [];
+
+    const response: ConversationResponse = { messages };
+    return NextResponse.json(response);
+  } catch (error) {
+    console.error('[ai/conversation] Failed to load conversation', error);
+    return NextResponse.json(
+      {
+        error: 'Failed to load conversation',
+        details: error instanceof Error ? error.message : String(error),
+      },
+      { status: 500 },
+    );
+  }
+}
+
+