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/feedback/feedback.interaction.ts

@@ -8,7 +8,7 @@ import { UserError } from "@shared/lib/errors";
 
 export const handleFeedbackInteraction = async (interaction: Interaction) => {
     // Handle select menu for choosing feedback type
-    if (interaction.isStringSelectMenu() && interaction.customId === "feedback_select_type") {
+    if (interaction.isStringSelectMenu() && interaction.customId === FEEDBACK_CUSTOM_IDS.SELECT_TYPE) {
         const feedbackType = interaction.values[0] as FeedbackType;
 
         if (!feedbackType) {

bot/modules/feedback/feedback.types.ts

@@ -16,8 +16,10 @@ export const FEEDBACK_TYPE_LABELS: Record<FeedbackType, string> = {
 };
 
 export const FEEDBACK_CUSTOM_IDS = {
+    PREFIX: "feedback_",
+    SELECT_TYPE: "feedback_select_type",
     MODAL: "feedback_modal",
     TYPE_FIELD: "feedback_type",
     TITLE_FIELD: "feedback_title",
-    DESCRIPTION_FIELD: "feedback_description"
+    DESCRIPTION_FIELD: "feedback_description",
 } as const;

bot/modules/feedback/feedback.view.ts

@@ -14,7 +14,7 @@ import { FEEDBACK_TYPE_LABELS, FEEDBACK_CUSTOM_IDS, type FeedbackData, type Feed
 
 export function getFeedbackTypeMenu() {
     const select = new StringSelectMenuBuilder()
-        .setCustomId("feedback_select_type")
+        .setCustomId(FEEDBACK_CUSTOM_IDS.SELECT_TYPE)
         .setPlaceholder("Choose feedback type")
         .addOptions([
             {