Process Manager Lifecycle and Failure Design

This content has been merged into the comprehensive pattern guide:

Coordinating Long-Running Processes

That page now covers the full pattern including:

• Idempotent handler design (state machine guards)
• Out-of-order event handling
• Explicit compensation with forward/compensating command mapping
• Timeout handling via external timer events
• Minimal PM field design
• Anti-patterns and a production design checklist