Optional modules in revision 0.2

The default profile is Core only. A host can enable any combination before the start; the profile is then pinned for the whole match.

Intel: each seat privately learns one future crisis. Publishing it costs 1 Favor and is authenticated.
Debts: a deferred Pledge creates a debt if its condition is true; debts settle at the next Dawn (Favor may go negative) or before final scoring. Debt plus deferred Pledges are capped at 3.
Decision crises: Bridge (Build/Defer), Plague Ship (Quarantine/Admit), Foundry Strike (Settle/Break). Carryover expires after round 5.
House Prerogatives: Breakwater, Call the Question, Overtime, Commons Motion, Audit, each once per match.