feat(characters): expose persisted silver on the character endpoint

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

apps/api/src/characters/characters.service.spec.ts

@@ -13,6 +13,7 @@ describe('CharactersService', () => {
         name: 'Aric Duskwalker',
         level: 1,
         experience: 0,
+        silver: 0,
         currentHp: 100,
         baseHp: 100,
         baseAttack: 6,
@@ -30,6 +31,7 @@ describe('CharactersService', () => {
       name: 'Aric Duskwalker',
       level: 1,
       experience: 0,
+      silver: 0,
       currentHp: 100,
       maxHp: 100,
       attack: 6,
@@ -45,6 +47,31 @@ describe('CharactersService', () => {
     });
   });
 
+  it('exposes the persisted silver so the HUD never has to guess', async () => {
+    const repository = {
+      findOne: jest.fn().mockResolvedValue({
+        id: DEMO_CHARACTER_ID,
+        name: 'Aric Duskwalker',
+        level: 1,
+        experience: 24,
+        silver: 18,
+        currentHp: 100,
+        baseHp: 100,
+        baseAttack: 6,
+        currentLocation: {
+          id: SOUTH_GATE_ID,
+          key: 'south-gate',
+          name: 'Südtor von Graufurt',
+        },
+      }),
+    } as unknown as Repository<Character>;
+    const service = new CharactersService(repository);
+
+    await expect(service.getDemoCharacter()).resolves.toEqual(
+      expect.objectContaining({ experience: 24, silver: 18 }),
+    );
+  });
+
   it('reports a missing demo seed as not found', async () => {
     const repository = {
       findOne: jest.fn().mockResolvedValue(null),