Add account browsing simulation

src/services/reddit-account-runtime-builder.ts

@@ -63,6 +63,8 @@ import { RecipientAccountStatusService } from './recipient-account-status.js';
 import { AccountEstablishmentService } from './account-establishment.js';
 import { AccountGrowthService, type GrowthActivityEvent } from './account-growth.js';
 import { AccountGrowthRepository } from '../database/growth-repository.js';
+import { AccountBrowsingSimulationRepository } from '../database/browsing-simulation-repository.js';
+import { AccountBrowsingSimulationService } from './account-browsing-simulation.js';
 import { allowsConversationSync, allowsSending, type BotMode } from './bot-mode.js';
 
 export interface ConcreteRuntimeFactoryOptions {
@@ -268,10 +270,11 @@ async function buildRuntime(
         },
       },
     );
+    const growthRepository = new AccountGrowthRepository(db);
     const growthService = new AccountGrowthService({
       accountId: session.accountId,
       redditUsername: session.redditUsername,
-      repository: new AccountGrowthRepository(db),
+      repository: growthRepository,
       reddit: {
         getHotPosts: (subreddit, limit) => redditApi.getHotPosts(subreddit, limit),
         getThreadTopComments: (subreddit, postId, limit) =>
@@ -284,6 +287,26 @@ async function buildRuntime(
       dryRun: accountConfig.browser.dryRun,
       onActivity: (event) => recordGrowthActivity(activityLogRepo, session.redditUsername, event),
     });
+    const browsingRepository = new AccountBrowsingSimulationRepository(db);
+    const browsingService = new AccountBrowsingSimulationService({
+      accountId: session.accountId,
+      repository: browsingRepository,
+      growthSubreddits: (now) => growthRepository.listActiveSubreddits(session.accountId, now),
+      reddit: {
+        getHotPosts: (subreddit, limit) => redditApi.getHotPosts(subreddit, limit),
+        getBrowsingComments: (subreddit, postId, limit) =>
+          redditApi.getBrowsingComments(subreddit, postId, limit),
+      },
+      sink: browsingRepository,
+      logger,
+      onActivity: (decision) => activityLogRepo.insert({
+        timestamp: decision.decidedAt,
+        type: 'response',
+        message: `Simulated ${decision.thingKind} upvote in r/${decision.subreddit}; no Reddit vote was submitted`,
+        postUrl: `https://www.reddit.com${decision.permalink}`,
+        postTitle: `r/${decision.subreddit}`,
+      }),
+    });
     const rateLimiter = new RateLimiter(accountConfig, logger, undefined, {
       sentMessageHistory: async (since) => messagesRepo.getSentTimestampsSince(since),
     });
@@ -332,7 +355,7 @@ async function buildRuntime(
       activityLogRepo,
       monitorService, processorService, responseChecker, conversationAutomation, chatService, mediaService,
       mediaSyncService, mediaExchange, rateLimiter,
-      recipientAccountStatusService, establishmentService, growthService,
+      recipientAccountStatusService, establishmentService, growthService, browsingService,
     };
     const lifecycle = new AccountRuntimeLoop(
       resources, accountConfig, logger, getBotMode, recipientDeduplicator,
@@ -418,6 +441,7 @@ export class AccountRuntimeLoop {
     let nextReplyCheckAt = 0;
     let nextPerformanceCheckAt = 0;
     let nextGrowthCheckAt = 0;
+    let nextBrowsingCheckAt = 0;
     const replyInterval = 30_000;
     const performanceInterval = Math.max(this.config.reddit.pollIntervalMs * 5, 60_000);
     // The pacer decides whether a comment is actually due; this is just how
@@ -478,6 +502,17 @@ export class AccountRuntimeLoop {
             this.logger.error('Account growth tick failed:', error);
           }
         }
+        // Browsing simulation is strictly below comment growth. It records a
+        // hypothetical decision only and runs in both scan and running modes.
+        if (this.resources.browsingService && Date.now() >= nextBrowsingCheckAt) {
+          nextBrowsingCheckAt = Date.now() + growthInterval;
+          try {
+            await this.resources.browsingService.tick(signal);
+          } catch (error) {
+            if (signal.aborted) return;
+            this.logger.error('Browsing simulation tick failed:', error);
+          }
+        }
         await delay(5_000, signal);
       } catch (error) {
         if (signal.aborted) return;