feat: serialize effective stats in entity state broadcast

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

server/src/network/stateSerializer.ts

@@ -1,13 +1,27 @@
 import type {
   EntityState, WorldState, StateUpdate,
-  Position, Movement, Appearance, Needs, NPCBrain, PlayerControlled, SocialState,
+  Position, Movement, Appearance, Needs, NPCBrain, PlayerControlled, SocialState, Stats,
 } 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';
 
 export function serializeEntity(world: World, entityId: number): EntityState {
   const socialState = world.getComponent<SocialState>(entityId, 'socialState');
+  const statsComponent = world.getComponent<Stats>(entityId, 'stats');
+  const stats = statsComponent ? {
+    strength: getEffectiveStat(world, entityId, 'strength'),
+    dexterity: getEffectiveStat(world, entityId, 'dexterity'),
+    constitution: getEffectiveStat(world, entityId, 'constitution'),
+    intelligence: getEffectiveStat(world, entityId, 'intelligence'),
+    perception: getEffectiveStat(world, entityId, 'perception'),
+    sociability: getEffectiveStat(world, entityId, 'sociability'),
+    courage: getEffectiveStat(world, entityId, 'courage'),
+    curiosity: getEffectiveStat(world, entityId, 'curiosity'),
+    empathy: getEffectiveStat(world, entityId, 'empathy'),
+    temperament: getEffectiveStat(world, entityId, 'temperament'),
+  } : undefined;
   return {
     id: entityId,
     position: world.getComponent<Position>(entityId, 'position')!,
@@ -22,6 +36,7 @@ export function serializeEntity(world: World, entityId: number): EntityState {
       partnerId: socialState.partnerId,
       outcome: socialState.outcome,
     } : undefined,
+    stats,
   };
 }