Brief

BRIEF emits one mandate, to one named agent, then you are in WATCH — silent until a question or a report comes back. Never broadcast. Runs in the originating window: usually the orchestrator, but any agent that hands work off.

Read nothing here. Skeleton and role lines below are complete and verbatim — they are the whole contract the delegate needs, and you must assume it has read nothing else. ../../references/protocol.md holds the reasoning behind each field, for whoever amends the contract; opening it in this window spends the context this skill exists to protect.

Choose no model. The delegate is a live agent in a window that already exists — its model was fixed when that window was opened, and a mandate cannot change it.

1. Source the work, and the boundary

Arguments describe the work → scope and knowledge_state. Bare → ask. Never infer from the surrounding conversation, never invent.

owned_paths / hands_off you assert from what you already hold. No plan file to consult, no roster to inherit. This is the one thing that cannot be deferred: two agents writing one path lose updates with no error at all — silent, unrepairable.

2. One message to the human

Fold every outstanding question into a single plain-text message: the target's name, plus whatever step 1 left unsourced.

3. Fill