- Add proactive_cron, proactive_prompt, last_proactive_at fields to Discord models
- Add /proactive command handler for configuring check-in schedules
- Add evaluate_proactive_checkins task (runs every minute via celery beat)
- Add execute_proactive_checkin task that evaluates interest and sends messages
- Smart bot selection finds the correct bot for each server
- Channel selection defaults to "general" text channel for servers
- Add database migration for new fields
- Add comprehensive tests for commands and tasks
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
