diff --git a/server/src/network/stateSerializer.ts b/server/src/network/stateSerializer.ts
index efe0cd8..191535b 100644
--- a/server/src/network/stateSerializer.ts
+++ b/server/src/network/stateSerializer.ts
@@ -6,7 +6,9 @@ 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';
+import { getEffectiveClassification } from '../systems/relationshipHelpers.js';
+import type { BondRegistry } from '../systems/bondRegistry.js';
+import { hasBond } from '../systems/bondRegistry.js';
 
 export function serializeEntity(world: World, entityId: number): EntityState {
   const socialState = world.getComponent<SocialState>(entityId, 'socialState');
@@ -24,14 +26,29 @@ export function serializeEntity(world: World, entityId: number): EntityState {
     temperament: getEffectiveStat(world, entityId, 'temperament'),
   } : undefined;
   const relationshipsComponent = world.getComponent<Relationships>(entityId, 'relationships');
+  const registry = world.getSingleton<BondRegistry>('bondRegistry');
   const relationships = relationshipsComponent && relationshipsComponent.size > 0
-    ? [...relationshipsComponent.entries()].map(([otherId, rel]) => ({
-        entityId: otherId,
-        name: world.getComponent<string>(otherId, 'name') ?? `NPC #${otherId}`,
-        value: Math.round(rel.value * 10) / 10,
-        classification: classify(rel.value),
-        status: rel.status,
-      }))
+    ? [...relationshipsComponent.entries()].map(([otherId, rel]) => {
+        const sociability = statsComponent ? getEffectiveStat(world, entityId, 'sociability') : 10;
+        const empathy = statsComponent ? getEffectiveStat(world, entityId, 'empathy') : 10;
+        const classification = getEffectiveClassification(
+          otherId, rel.value, relationshipsComponent, sociability, empathy,
+          registry, entityId,
+        );
+        let bond: string | null = null;
+        if (registry) {
+          if (hasBond(registry, entityId, otherId, 'partner')) bond = 'partner';
+          else if (hasBond(registry, entityId, otherId, 'partner', 'former')) bond = 'former_partner';
+        }
+        return {
+          entityId: otherId,
+          name: world.getComponent<string>(otherId, 'name') ?? `NPC #${otherId}`,
+          value: Math.round(rel.value * 10) / 10,
+          classification,
+          status: rel.status,
+          bond,
+        };
+      })
     : undefined;
   return {
     id: entityId,