feat: add proposal and bond types to shared protocol

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

shared/src/constants.ts

@@ -59,5 +59,7 @@ export const EMOTING_DURATION = 20;        // ticks (2s)
 export const SOCIAL_GLOBAL_COOLDOWN = 50;  // ticks (5s)
 export const SOCIAL_PAIR_COOLDOWN = 300;   // ticks (30s)
 
+export const PROPOSAL_EMOTING_DURATION = 30; // 3 seconds - longer for dramatic effect
+
 // Camera mode commands
 export const MAX_NPC_COUNT = 50;

shared/src/types.ts

@@ -73,7 +73,7 @@ export interface NPCBrain {
   goalQueue: GoalType[];
 }
 
-export type InteractionPhase = 'none' | 'facing' | 'pausing' | 'emoting';
+export type InteractionPhase = 'none' | 'facing' | 'pausing' | 'emoting' | 'proposing';
 export type InteractionOutcome = 'positive' | 'negative';
 
 export interface SocialState {
@@ -84,6 +84,9 @@ export interface SocialState {
   globalCooldown: number;
   pairCooldowns: Map<EntityId, number>;
   lastOutcome: LastOutcome | null;
+  proposalCooldown: number;
+  pendingProposal: { targetId: EntityId; type: string } | null;
+  isProposalInteraction: boolean;
 }
 
 export interface RelationshipData {
@@ -123,6 +126,7 @@ export interface EntityState {
     value: number;
     classification: string;
     status: 'active' | 'memory';
+    bond: string | null;
   }>;
 }