Summary

The spec plans a SUSPENDED task status variant for checkpoint-based shutdown (distinct from INTERRUPTED). Not currently in TaskStatus enum.

Design Spec Reference

• §6.7 Graceful Shutdown Protocol — planned non-terminal status note

Scope

• Add SUSPENDED to TaskStatus enum
• Define valid transitions: IN_PROGRESS → SUSPENDED, ASSIGNED → SUSPENDED, SUSPENDED → ASSIGNED (resume)
• Update task_transitions.py

Dependencies

• Checkpoint-and-Stop shutdown strategy
• Checkpoint recovery strategy