feat: hand off upsell conversations to humans

src/services/conversation-automation.ts

@@ -2,6 +2,7 @@ import type { OpenRouterClient } from '../ai/openrouter.js';
 import type { ConversationStateRepository } from '../database/repositories.js';
 import type { Logger } from '../utils/logger.js';
 import type { RateLimiter } from '../utils/rate-limiter.js';
+import { findSellerSignal } from '../reddit/api.js';
 import type { ActiveChat, ChatMessage } from './chat/types.js';
 import type { ChatService } from './chat/service.js';
 import {
@@ -40,6 +41,8 @@ export class ConversationAutomationService {
     private readonly rateLimiter: RateLimiter,
     private readonly logger: Logger,
     private readonly dryRun = false,
+    private readonly sellerKeywords: readonly string[] = [],
+    private readonly sellerDomains: readonly string[] = [],
   ) {}
 
   async processUnreadConversations(signal?: AbortSignal): Promise<ConversationAutomationResult[]> {
@@ -72,6 +75,17 @@ export class ConversationAutomationService {
     if (state.automation.lastIncomingKey === incomingKey) return null;
     if (state.automation.status !== 'active') return null;
 
+    const sellerSignal = findSellerSignal(latest.text, [...this.sellerKeywords], [...this.sellerDomains]);
+    if (sellerSignal) {
+      return this.finish(
+        conversation,
+        conversationId,
+        state,
+        incomingKey,
+        'human-required',
+        `Potential upsell detected (${sellerSignal.kind}: ${sellerSignal.value}).`,
+      );
+    }
     if (hasReceivedImage(messages)) {
       return this.finish(conversation, conversationId, state, incomingKey, 'image-received', 'The user shared an image.');
     }