fix: add pagination to quest list to stay within Discord component limits

The available quests view was exceeding Discord's 40-component container
limit when many quests existed, causing an API error. Paginate both
active and available quest views at 7 quests per page with prev/next
navigation buttons.

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

bot/commands/quest/quests.ts

@@ -16,16 +16,24 @@ export const quests = createCommand({
         const response = await interaction.deferReply({ flags: MessageFlags.Ephemeral });
 
         const userId = interaction.user.id;
+        let currentView: 'active' | 'available' = 'active';
+        let currentPage = 0;
+
+        const updateView = async (viewType: 'active' | 'available', page: number = 0) => {
+            currentView = viewType;
+            currentPage = page;
 
-        const updateView = async (viewType: 'active' | 'available') => {
             const userQuests = await questService.getUserQuests(userId);
             const availableQuests = await questService.getAvailableQuests(userId);
 
-            const containers = viewType === 'active'
-                ? getQuestListComponents(userQuests)
-                : getAvailableQuestsComponents(availableQuests);
+            const activeQuests = userQuests.filter(entry => entry.completedAt === null);
+            const totalItems = viewType === 'active' ? activeQuests.length : availableQuests.length;
 
-            const actionRows = getQuestActionRows(viewType);
+            const containers = viewType === 'active'
+                ? getQuestListComponents(userQuests, page)
+                : getAvailableQuestsComponents(availableQuests, page);
+
+            const actionRows = getQuestActionRows(viewType, totalItems, page);
 
             await interaction.editReply({
                 content: null,
@@ -50,10 +58,16 @@ export const quests = createCommand({
             try {
                 if (i.customId === "quest_view_active") {
                     await i.deferUpdate();
-                    await updateView('active');
+                    await updateView('active', 0);
                 } else if (i.customId === "quest_view_available") {
                     await i.deferUpdate();
-                    await updateView('available');
+                    await updateView('available', 0);
+                } else if (i.customId === "quest_page_prev") {
+                    await i.deferUpdate();
+                    await updateView(currentView, Math.max(0, currentPage - 1));
+                } else if (i.customId === "quest_page_next") {
+                    await i.deferUpdate();
+                    await updateView(currentView, currentPage + 1);
                 } else if (i.customId.startsWith("quest_accept:")) {
                     const questIdStr = i.customId.split(":")[1];
                     if (!questIdStr) return;
@@ -65,7 +79,8 @@ export const quests = createCommand({
                         flags: MessageFlags.Ephemeral
                     });
 
-                    await updateView('active');
+                    // Stay on current view/page but refresh (accepted quest disappears from available)
+                    await updateView(currentView, currentPage);
                 }
             } catch (error) {
                 console.error("Quest interaction error:", error);

bot/modules/quest/quest.view.ts

@@ -43,6 +43,9 @@ const COLORS = {
     COMPLETED: 0xf1c40f  // Gold - completed
 };
 
+// Max quests per page (2 header + 1 page indicator + 7×5 components = 38, Discord max is 40 per container)
+const QUESTS_PER_PAGE = 7;
+
 /**
  * Formats quest rewards object into a human-readable string
  */
@@ -70,15 +73,22 @@ function renderProgressBar(current: number, total: number, size: number = 10): s
 /**
  * Creates Components v2 containers for the quest list (active quests only)
  */
-export function getQuestListComponents(userQuests: QuestEntry[]): ContainerBuilder[] {
+export function getQuestListComponents(userQuests: QuestEntry[], page: number = 0): ContainerBuilder[] {
     // Filter to only show in-progress quests (not completed)
     const activeQuests = userQuests.filter(entry => entry.completedAt === null);
+    const totalPages = Math.max(1, Math.ceil(activeQuests.length / QUESTS_PER_PAGE));
+    const safePage = Math.min(page, totalPages - 1);
+    const pageQuests = activeQuests.slice(safePage * QUESTS_PER_PAGE, (safePage + 1) * QUESTS_PER_PAGE);
 
     const container = new ContainerBuilder()
         .setAccentColor(COLORS.ACTIVE)
         .addTextDisplayComponents(
             new TextDisplayBuilder().setContent("# 📜 Quest Log"),
-            new TextDisplayBuilder().setContent("-# Your active quests")
+            new TextDisplayBuilder().setContent(
+                totalPages > 1
+                    ? `-# Your active quests — Page ${safePage + 1}/${totalPages}`
+                    : "-# Your active quests"
+            )
         );
 
     if (activeQuests.length === 0) {
@@ -89,7 +99,7 @@ export function getQuestListComponents(userQuests: QuestEntry[]): ContainerBuild
         return [container];
     }
 
-    activeQuests.forEach((entry) => {
+    pageQuests.forEach((entry) => {
         container.addSeparatorComponents(new SeparatorBuilder().setSpacing(SeparatorSpacingSize.Small));
 
         const rewards = entry.quest.rewards as { xp?: number, balance?: number };
@@ -113,12 +123,20 @@ export function getQuestListComponents(userQuests: QuestEntry[]): ContainerBuild
 /**
  * Creates Components v2 containers for available quests with inline accept buttons
  */
-export function getAvailableQuestsComponents(availableQuests: AvailableQuest[]): ContainerBuilder[] {
+export function getAvailableQuestsComponents(availableQuests: AvailableQuest[], page: number = 0): ContainerBuilder[] {
+    const totalPages = Math.max(1, Math.ceil(availableQuests.length / QUESTS_PER_PAGE));
+    const safePage = Math.min(page, totalPages - 1);
+    const pageQuests = availableQuests.slice(safePage * QUESTS_PER_PAGE, (safePage + 1) * QUESTS_PER_PAGE);
+
     const container = new ContainerBuilder()
         .setAccentColor(COLORS.AVAILABLE)
         .addTextDisplayComponents(
             new TextDisplayBuilder().setContent("# 🗺️ Available Quests"),
-            new TextDisplayBuilder().setContent("-# Quests you can accept")
+            new TextDisplayBuilder().setContent(
+                totalPages > 1
+                    ? `-# Quests you can accept — Page ${safePage + 1}/${totalPages}`
+                    : "-# Quests you can accept"
+            )
         );
 
     if (availableQuests.length === 0) {
@@ -129,10 +147,7 @@ export function getAvailableQuestsComponents(availableQuests: AvailableQuest[]):
         return [container];
     }
 
-    // Limit to 10 quests (5 action rows max with 2 added for navigation)
-    const questsToShow = availableQuests.slice(0, 10);
-
-    questsToShow.forEach((quest) => {
+    pageQuests.forEach((quest) => {
         container.addSeparatorComponents(new SeparatorBuilder().setSpacing(SeparatorSpacingSize.Small));
 
         const rewards = quest.rewards as { xp?: number, balance?: number };
@@ -163,11 +178,30 @@ export function getAvailableQuestsComponents(availableQuests: AvailableQuest[]):
 }
 
 /**
- * Returns action rows for navigation only
+ * Returns action rows for navigation and pagination
  */
-export function getQuestActionRows(viewType: 'active' | 'available'): ActionRowBuilder<ButtonBuilder>[] {
-    // Navigation row
-    const navRow = new ActionRowBuilder<ButtonBuilder>().addComponents(
+export function getQuestActionRows(viewType: 'active' | 'available', totalItems: number, page: number): ActionRowBuilder<ButtonBuilder>[] {
+    const totalPages = Math.max(1, Math.ceil(totalItems / QUESTS_PER_PAGE));
+    const rows: ActionRowBuilder<ButtonBuilder>[] = [];
+
+    // Pagination row (only if more than one page)
+    if (totalPages > 1) {
+        rows.push(new ActionRowBuilder<ButtonBuilder>().addComponents(
+            new ButtonBuilder()
+                .setCustomId("quest_page_prev")
+                .setLabel("◀ Prev")
+                .setStyle(ButtonStyle.Secondary)
+                .setDisabled(page <= 0),
+            new ButtonBuilder()
+                .setCustomId("quest_page_next")
+                .setLabel("Next ▶")
+                .setStyle(ButtonStyle.Secondary)
+                .setDisabled(page >= totalPages - 1)
+        ));
+    }
+
+    // Tab navigation row
+    rows.push(new ActionRowBuilder<ButtonBuilder>().addComponents(
         new ButtonBuilder()
             .setCustomId("quest_view_active")
             .setLabel("📜 Active")
@@ -178,9 +212,9 @@ export function getQuestActionRows(viewType: 'active' | 'available'): ActionRowB
             .setLabel("🗺️ Available")
             .setStyle(viewType === 'available' ? ButtonStyle.Primary : ButtonStyle.Secondary)
             .setDisabled(viewType === 'available')
-    );
+    ));
 
-    return [navRow];
+    return rows;
 }
 
 /**