System updates

✨ New Features
🤖 AI Assistant (MCP) — Agency Level
Agencies can now drive Boomerangme through the MCP integration across all of their sub-accounts — manage customers, cards, templates, reward tiers, and automations at agency scale.
⏰ Workflow Builder — Manual & Scheduled Triggers
Run a workflow on demand for a chosen segment, or schedule it for a specific date and time with timezone support and recurring schedules. A new "Last visit date" filter lets you target customers by how recently they visited.
🐛 Bug Fixes
⚡ Performance — Large Accounts
Further performance and stability improvements for very large accounts.