feat: add /use command for inventory items with effects, implement XP boosts, and enhance scheduler for temporary role removal.

src/lib/types.ts

@@ -12,6 +12,18 @@ export interface Event<K extends keyof ClientEvents> {
     execute: (...args: ClientEvents[K]) => Promise<void> | void;
 }
 
+export type ItemEffect =
+    | { type: 'ADD_XP'; amount: number }
+    | { type: 'ADD_BALANCE'; amount: number }
+    | { type: 'XP_BOOST'; multiplier: number; durationSeconds: number }
+    | { type: 'TEMP_ROLE'; roleId: string; durationSeconds: number }
+    | { type: 'REPLY_MESSAGE'; message: string };
+
+export interface ItemUsageData {
+    consume: boolean;
+    effects: ItemEffect[];
+}
+
 import { DrizzleClient } from "./DrizzleClient";
 
 export type DbClient = typeof DrizzleClient;