feat: wire relationship system into spawner, game loop, and serializer

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

server/src/game/GameLoop.ts

@@ -6,6 +6,7 @@ import { npcBrainSystem } from '../systems/npcBrainSystem.js';
 import { movementSystem } from '../systems/movementSystem.js';
 import { socialSystem } from '../systems/socialSystem.js';
 import { statModifierSystem } from '../systems/statModifierSystem.js';
+import { relationshipSystem } from '../systems/relationshipSystem.js';
 import { spawnNPC } from './spawner.js';
 
 export class GameLoop {
@@ -66,6 +67,7 @@ export class GameLoop {
     needsDecaySystem(this.world);
     npcBrainSystem(this.world, this.map);
     socialSystem(this.world);
+    relationshipSystem(this.world);
     movementSystem(this.world);
 
     // Broadcast state periodically

server/src/game/spawner.ts

@@ -3,7 +3,7 @@ import type { GameMap } from '../map/GameMap.js';
 import { generateRandomAppearance } from '../spawner/appearanceGenerator.js';
 import { generateName } from '../spawner/nameGenerator.js';
 import { generateStats } from '../spawner/statGenerator.js';
-import type { EntityId, Position, Needs, Movement, NPCBrain, Appearance, SocialState, Stats, StatModifiers } from '@dflike/shared';
+import type { EntityId, Position, Needs, Movement, NPCBrain, Appearance, SocialState, Stats, StatModifiers, Relationships } from '@dflike/shared';
 
 export function spawnNPC(world: World, map: GameMap, positionHint?: Position): EntityId {
   const entity = world.createEntity();
@@ -40,6 +40,7 @@ export function spawnNPC(world: World, map: GameMap, positionHint?: Position): E
   });
   world.addComponent<Stats>(entity, 'stats', generateStats());
   world.addComponent<StatModifiers>(entity, 'statModifiers', { modifiers: [] });
+  world.addComponent<Relationships>(entity, 'relationships', new Map());
 
   return entity;
 }

server/src/network/stateSerializer.ts

@@ -1,11 +1,12 @@
 import type {
   EntityState, WorldState, StateUpdate,
-  Position, Movement, Appearance, Needs, NPCBrain, PlayerControlled, SocialState, Stats,
+  Position, Movement, Appearance, Needs, NPCBrain, PlayerControlled, SocialState, Stats, Relationships,
 } from '@dflike/shared';
 import { TILE_SIZE } from '@dflike/shared';
 import type { World } from '../ecs/World.js';
 import type { GameMap } from '../map/GameMap.js';
 import { getEffectiveStat } from '../systems/statHelpers.js';
+import { classify } from '../systems/relationshipHelpers.js';
 
 export function serializeEntity(world: World, entityId: number): EntityState {
   const socialState = world.getComponent<SocialState>(entityId, 'socialState');
@@ -22,6 +23,16 @@ export function serializeEntity(world: World, entityId: number): EntityState {
     empathy: getEffectiveStat(world, entityId, 'empathy'),
     temperament: getEffectiveStat(world, entityId, 'temperament'),
   } : undefined;
+  const relationshipsComponent = world.getComponent<Relationships>(entityId, 'relationships');
+  const relationships = relationshipsComponent && relationshipsComponent.size > 0
+    ? [...relationshipsComponent.entries()].map(([otherId, rel]) => ({
+        entityId: otherId,
+        name: world.getComponent<string>(otherId, 'name') ?? `NPC #${otherId}`,
+        value: Math.round(rel.value * 10) / 10,
+        classification: classify(rel.value),
+        status: rel.status,
+      }))
+    : undefined;
   return {
     id: entityId,
     position: world.getComponent<Position>(entityId, 'position')!,
@@ -37,6 +48,7 @@ export function serializeEntity(world: World, entityId: number): EntityState {
       outcome: socialState.outcome,
     } : undefined,
     stats,
+    relationships,
   };
 }