feat: centralized constants and enums for project-wide use

src/modules/system/cleanup.service.ts

@@ -4,6 +4,7 @@ import { DrizzleClient } from "@/lib/DrizzleClient";
 import { AuroraClient } from "@/lib/BotClient";
 import { env } from "@/lib/env";
 import { config } from "@/lib/config";
+import { TimerType } from "@/lib/constants";
 
 export const cleanupService = {
     /**
@@ -57,7 +58,7 @@ export const cleanupService = {
         // This is migrated from scheduler.ts
         const expiredAccess = await DrizzleClient.query.userTimers.findMany({
             where: and(
-                eq(userTimers.type, 'ACCESS'),
+                eq(userTimers.type, TimerType.ACCESS),
                 lt(userTimers.expiresAt, now)
             )
         });