fix(auth): unify imported sessions with account gating

src/services/response-checker.ts

@@ -3,6 +3,7 @@ import type { Logger } from '../utils/logger.js';
 import type { MessagesRepository, SuccessfulMessagesRepository, SentMessageRecord, ConversationOutcomesRepository } from '../database/repositories.js';
 import type { PostsRepository } from '../database/repositories.js';
 import { classifyConversationOutcome } from './conversation-outcome.js';
+import { denyAccountAuth, type AccountAuthGate } from './account-auth-context.js';
 
 export interface ResponseCheckResult {
   messageId: number;
@@ -18,11 +19,13 @@ export class ResponseCheckerService {
     private successfulMessagesRepo: SuccessfulMessagesRepository,
     private postsRepo: PostsRepository,
     private logger: Logger,
+    private accountAuth: AccountAuthGate = denyAccountAuth,
     private outcomesRepo?: ConversationOutcomesRepository,
   ) { }
 
   async checkForResponses(): Promise<ResponseCheckResult[]> {
     const results: ResponseCheckResult[] = [];
+    if (!this.accountAuth.isFullyAuthenticated()) return results;
 
     // Get messages that haven't been checked recently (at least 1 hour old, recheck every 6 hours)
     const minAgeMs = 60 * 60 * 1000; // 1 hour