v0.5.1 - Event-driven Scheduler + Global Dispatch

v0.5.1 Release Notes

🎯 New Features

• Event-driven Scheduler: Signal collector replaces 30s polling with event-driven dispatch
• Global Scheduler: Priority queue + agent state tracking + capability matching
• Failure Alchemy: Learning framework for task failures (created, not yet integrated)

🐛 Bug Fixes

• group_send: Invalidate groupChat cache after sending
• email_send: Invalidate emails cache for sender and recipient
• MCP memory tool: Proper cache invalidation on write/delete

📊 Performance

• Fallback polling reduced from 30s to 5min (event-driven primary)
• Signal queue with priority-based dispatch
• Agent state tracking prevents duplicate processing

🏗️ Architecture

• signal-collector.ts: Centralized signal queue with priority
• global-scheduler.ts: Agent state machine (idle/busy/blocked)
• scheduler.ts: Event-driven with fallback polling

📦 Files Added

• src/lib/signal-collector.ts
• src/lib/global-scheduler.ts
• src/lib/failure-alchemy.ts