Prototype unlimited alliance variant

components/coalition-nexus.tsx

@@ -10,6 +10,8 @@ export type CoalitionNexusView = {
   groups: readonly CoalitionGroup[];
   proposal: CoalitionAdmission | null;
   revision: number;
+  /** Absent preserves the original, at-most-three alliance prototype. */
+  variant?: 'unlimited';
 };
 
 export type CoalitionNexusIntent =
@@ -28,7 +30,7 @@ export function coalitionNexusOptions(view: CoalitionNexusView): {
   const ownGroup = view.groups.find(group => group.members.includes(view.me));
   const occupied = new Set(view.groups.flatMap(group => group.members));
   const invitations = !seated || view.proposal ? [] : view.groups.flatMap(group =>
-    group.members.length !== 2 ? [] : view.players
+    (group.members.length < 2 || group.members.length >= (view.variant === 'unlimited' ? 6 : 3)) ? [] : view.players
       .filter(player => !occupied.has(player.id) &&
         (player.id === view.me || group.members.includes(view.me)))
       .map(player => ({ groupId: group.id, entrant: player.id, members: group.members })));
@@ -57,8 +59,10 @@ export function CoalitionNexus({ view, disabled = false, onIntent }: {
   const submit = (intent: CoalitionNexusIntent) => { if (!disabled) onIntent(intent); };
   return <section aria-label="Group alliance negotiations" className="notice min-w-0 space-y-3 break-words">
     <h3>Group alliance negotiations</h3>
-    <p>All three players must agree before an invitation forms an alliance.
-      The existing pair remains allied while an invitation is pending.</p>
+    {view.variant === 'unlimited' ? <p>Every current member and the invited player must agree.
+      The existing alliance remains in place while an invitation is pending.</p> :
+      <p>All three players must agree before an invitation forms an alliance.
+        The existing pair remains allied while an invitation is pending.</p>}
     {view.groups.length ? <ul>{view.groups.map(group =>
       <li key={group.id}>{names(group.members)}</li>)}</ul> : <p>There are no alliances yet.</p>}
     {proposal ? <div aria-live="polite">
@@ -77,7 +81,9 @@ export function CoalitionNexus({ view, disabled = false, onIntent }: {
         proposal.approvals.includes(view.me) ? 'Withdraw approval and cancel invitation' :
           'Decline and cancel invitation'}</button>}
     </div> : <div>
-      {options.invitations.length > 0 && <p>Invite an unallied player to an existing pair, or ask to join a pair.</p>}
+      {options.invitations.length > 0 && <p>{view.variant === 'unlimited'
+        ? 'Invite an unallied player to an existing alliance, or ask to join one.'
+        : 'Invite an unallied player to an existing pair, or ask to join a pair.'}</p>}
       {options.invitations.map(option => <button className="game-action" disabled={disabled}
         key={JSON.stringify([option.groupId, option.entrant])} onClick={() => submit({
           kind: 'propose', groupId: option.groupId, entrant: option.entrant, expectedRevision: view.revision,
@@ -87,6 +93,8 @@ export function CoalitionNexus({ view, disabled = false, onIntent }: {
         kind: 'leave', expectedRevision: view.revision,
       })}>Leave {names(ownGroup!.members)}</button>}
       {ownGroup?.members.length === 3 && <p>Leaving keeps the other two players allied under the provisional online policy.</p>}
+      {view.variant === 'unlimited' && (ownGroup?.members.length ?? 0) > 3 &&
+        <p>Leaving keeps the other players allied under the provisional online policy.</p>}
     </div>}
   </section>;
 }

components/game-table.tsx

@@ -306,7 +306,7 @@ export function GameTable({
 }) {
   const me = g.players.find((p) => p.id === g.me)!;
   const groupNexus = g.coalitionNexus;
-  const inGroup = groupNexus?.groups.some(group => group.members.length === 3 && group.members.includes(me.id));
+  const inGroup = groupNexus?.groups.some(group => group.members.length >= 3 && group.members.includes(me.id));
   const outgoingAlliance = g.allianceOffers[me.id];
   const outgoingAllianceName = g.players.find((p) => p.id === outgoingAlliance)?.name;
   const shipmentAvailable = nexusGuildShipmentAvailable(g);
@@ -4395,7 +4395,7 @@ export function GameTable({
                       <option value="">Choose a player</option>
                       {g.players
                         .filter((p) => p.id !== me.id && !groupNexus?.groups.some(group =>
-                          group.members.length === 3 && group.members.includes(p.id)))
+                          group.members.length >= 3 && group.members.includes(p.id)))
                         .map((p) => (
                           <option value={p.id} key={p.id}
                             disabled={!!g.homeworldAllianceBlocks?.[p.id]}>