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Portability (required)

This skill is part of the portable pstack pack.

1. Read the pstack capability contract and the adapter for the active coding agent before any helper delegation.
2. Prefer capability verbs (explore, implement, review, parallel, ask_user, verify, model_role) over vendor tool names.
3. Resolve models through model_role. Never require a vendor-specific model identifier.
4. When helper spawning is unavailable, run the work on the lead agent and state that fan-out was collapsed.

Spawn Comment Sicko. Act on accepted findings.

Authoring agents defend comments. Defer to Comment Sicko's fresh perspective.

Scope

Use the caller's files or diff. Otherwise use the current diff against the base branch, default main, including the working tree.