Threads

# Threads

Open questions the domain is open on. Each thread is a question ("Does she take the throne?") with a set of named outcomes (binary `["yes", "no"]` or multi-outcome `["Stark", "Lannister", "Targaryen", "nobody"]`). Threads are the substrate's mechanism for tracking everything in the story that hasn't yet resolved.

Each Fate log node carries one of nine atomic movement types: **setup**, **escalation**, **resistance**, **complication**, **twist**, **payoff**, **opening**, **pulse**, or **closure**. **Opening** brings a previously marginal, remote, or unconsidered possibility into genuine contention while the standing leader holds. **Closure** removes one non-leading but previously viable possibility from contention while the Thread itself remains open; **payoff** resolves the whole Thread. The model chooses the movement from the meaning of the moment; `addOutcomes` independently expands the declared market when its existing outcomes cannot represent that possibility. Dormant returns and expected-but-absent movement are sequence interpretations, not stored movement types.

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