Filter detected sellers from conversations

src/services/conversation-automation.ts

@@ -126,6 +126,7 @@ export class ConversationAutomationService {
 
     const sellerSignal = findSellerSignal(latest.text, [...this.sellerKeywords], [...this.sellerDomains]);
     if (sellerSignal) {
+      state.sellerDetected = true;
       return this.finish(
         conversation,
         conversationId,