feat(web): add inventory/equipment API models and client methods

apps/web/src/app/core/api/game-api.models.ts

@@ -132,3 +132,58 @@ export interface CombatReward {
   silver: number;
   items: CombatRewardItem[];
 }
+
+export type EquipmentSlot =
+  | 'WEAPON'
+  | 'HEAD'
+  | 'CHEST'
+  | 'HANDS'
+  | 'LEGS'
+  | 'FEET'
+  | 'AMULET';
+
+export interface InventoryItem {
+  id: string;
+  quantity: number;
+  equipped: boolean;
+  item: {
+    key: string;
+    name: string;
+    rarity: ItemRarity;
+    equipmentSlot: EquipmentSlot | null;
+    requiredLevel: number;
+    weaponDamage: number;
+    bonusAttack: number;
+    bonusHp: number;
+    bonusArmor: number;
+    iconPath: string;
+  };
+}
+
+export interface InventoryResponse {
+  items: InventoryItem[];
+}
+
+export interface EquipmentSlotItem {
+  characterItemId: string;
+  item: {
+    key: string;
+    name: string;
+    rarity: ItemRarity;
+    iconPath: string;
+  };
+}
+
+export type EquipmentSlots = Record<EquipmentSlot, EquipmentSlotItem | null>;
+
+export interface EquipmentStats {
+  maxHp: number;
+  attack: number;
+  weaponDamage: number;
+  armor: number;
+}
+
+export interface EquipmentResponse {
+  slots: EquipmentSlots;
+  stats: EquipmentStats;
+}

apps/web/src/app/core/api/game-api.service.ts

@@ -7,7 +7,9 @@ import {
   CombatAction,
   CurrentLocationResponse,
   CurrentTravel,
+  EquipmentResponse,
   HuntResult,
+  InventoryResponse,
 } from './game-api.models';
 
 @Injectable({ providedIn: 'root' })
@@ -53,4 +55,16 @@ export class GameApiService {
   performCombatAction(combatId: string, action: CombatAction): Observable<Combat> {
     return this.http.post<Combat>(`/api/combats/${combatId}/actions`, { action });
   }
+
+  getInventory(): Observable<InventoryResponse> {
+    return this.http.get<InventoryResponse>('/api/inventory');
+  }
+
+  getEquipment(): Observable<EquipmentResponse> {
+    return this.http.get<EquipmentResponse>('/api/equipment');
+  }
+
+  equipItem(characterItemId: string): Observable<EquipmentResponse> {
+    return this.http.post<EquipmentResponse>('/api/equipment', { characterItemId });
+  }
 }