Thread Executor

Write agent outputs to thread stage files using the numbered convention.

Responsibility

Accept agent outputs and write them to the correct numbered stage files in a thread directory. Update frontmatter to track completion.

Thread File Convention

threads/{domain}/{thread-name}/
├── 1-input.md          # Goal context (written by sys-activating-goals, NEVER by this skill)
├── 2-hypothesis.md     # Approach, assumptions, expected outcomes
├── 3-implication.md    # If hypothesis true, what follows
├── 4-decision.md       # Chosen course of action
├── 5-actions.md        # Execution steps and status
└── 6-learning.md       # Outcomes, insights, improvements