feat: Twitter Automation (#61)

[Susuhome]

Overview

Automated engagement, scheduling, and content management for Twitter, issue #61.

Modules

TweetScheduler (GenServer)

• Schedule tweets at specific times with queue management
• Thread scheduling (multi-tweet sequences)
• Content calendar view (date range grouping)
• Due tweet detection for auto-posting
• Cancel, list, stats operations

EngagementRules (GenServer)

• Rule-based engagement with 7 condition types: keyword, min_followers, min_likes, min_retweets, is_reply, has_media, language
• Actions: like, retweet, reply, follow, bookmark
• Priority-based rule ordering
• Per-action rate limiting
• Action count tracking

AutoReply (GenServer)

• Template-based replies with variable substitution ({{author}}, {{username}})
• Keyword trigger matching
• Per-user cooldowns
• Blocklist filtering

FollowManager (GenServer)

• Follow/unfollow queue with reasons
• Daily limit enforcement
• Following set tracking
• Stats: following count, daily usage, unfollowed total

Guide

• guides/twitter_automation.md

Acceptance Criteria

• Scheduling system implementation (TweetScheduler with calendar)
• Rule-based engagement system (EngagementRules with 7 conditions)
• Content management system (threads, calendar, queue)
• Queue management (TweetScheduler + FollowManager queues)
• Documentation and examples (guide + moduledocs)
• Test coverage > 90% (28 tests, all passing)
• Performance optimization (GenServer with sorted queues, MapSet for following)

Tests

28 tests:

• TweetScheduler: 8 tests
• EngagementRules: 8 tests
• AutoReply: 6 tests
• FollowManager: 6 tests

Budget: $1,800