refactor: centralize custom interaction IDs into constants

Replace all hardcoded custom ID strings with module-level constants.
Each module now has *_CUSTOM_IDS in its types file, using functions
for dynamic IDs and PREFIX for startsWith matching.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

bot/modules/economy/lootdrop.view.ts

@@ -1,12 +1,13 @@
 import { ActionRowBuilder, AttachmentBuilder, ButtonBuilder, ButtonStyle } from "discord.js";
 import { generateLootdropCard, generateClaimedLootdropCard } from "@/graphics/lootdrop";
+import { LOOTDROP_CUSTOM_IDS } from "./economy.types";
 
 export async function getLootdropMessage(reward: number, currency: string) {
     const cardBuffer = await generateLootdropCard(reward, currency);
     const attachment = new AttachmentBuilder(cardBuffer, { name: "lootdrop.png" });
 
     const claimButton = new ButtonBuilder()
-        .setCustomId("lootdrop_claim")
+        .setCustomId(LOOTDROP_CUSTOM_IDS.CLAIM)
         .setLabel("CLAIM REWARD")
         .setStyle(ButtonStyle.Secondary) // Changed to Secondary to fit the darker theme better? Or keep Success? Let's try Secondary with custom emoji
         .setEmoji("🌠");
@@ -28,7 +29,7 @@ export async function getLootdropClaimedMessage(userId: string, username: string
     const newRow = new ActionRowBuilder<ButtonBuilder>()
         .addComponents(
             new ButtonBuilder()
-                .setCustomId("lootdrop_claim_disabled")
+                .setCustomId(LOOTDROP_CUSTOM_IDS.CLAIM_DISABLED)
                 .setLabel("CLAIMED")
                 .setStyle(ButtonStyle.Secondary)
                 .setEmoji("✅")