feat: Introduce new modules for class, inventory, leveling, and quests with expanded schema, refactor user service, and add verification scripts.

src/commands/user/profile.ts

@@ -0,0 +1,57 @@
+import { createCommand } from "@/lib/utils";
+import { SlashCommandBuilder, EmbedBuilder } from "discord.js";
+import { userService } from "@/modules/user/user.service";
+
+export const profile = createCommand({
+    data: new SlashCommandBuilder()
+        .setName("profile")
+        .setDescription("View your or another user's profile")
+        .addUserOption(option =>
+            option.setName("user")
+                .setDescription("The user to view")
+                .setRequired(false)
+        ),
+    execute: async (interaction) => {
+        await interaction.deferReply();
+
+        const targetUser = interaction.options.getUser("user") || interaction.user;
+        const targetMember = await interaction.guild?.members.fetch(targetUser.id).catch(() => null);
+
+        let user = await userService.getUserById(targetUser.id);
+
+        if (!user) {
+            // Auto-create user if they don't exist
+            // Assuming no class assigned initially (null)
+            user = await userService.createUser(targetUser.id, targetUser.username, undefined);
+        }
+
+        // Refetch to get class relation if needed (though createUser returns user, it might not have relations loaded if we add them later)
+        // For now, let's assume we might need to join class manually or update userService to return it.
+        // Actually, let's just use what we have. If we need class name, we might need a separate query or update userService to include relation.
+        // Let's check if 'class' is in the returned user object from userService.getUserById.
+        // Looking at userService.ts, it uses findFirst. If we want relations, we need to add `with`.
+
+        // Let's quickly re-fetch with relations to be safe and get Class Name
+        // Or we can update userService given we are in "Implement Commands" but changing service might be out of scope? 
+        // No, I should make sure the command works.
+        // Let's rely on standard Drizzle query here for the "view" part or update service.
+        // Updating service is cleaner.
+
+        const embed = new EmbedBuilder()
+            .setTitle(`${targetUser.username}'s Profile`)
+            .setThumbnail(targetUser.displayAvatarURL({ size: 512 }))
+            .setColor(targetMember?.displayHexColor || "Random")
+            .addFields(
+                { name: "Level", value: `${user!.level || 1}`, inline: true },
+                { name: "XP", value: `${user!.xp || 0}`, inline: true },
+                { name: "Balance", value: `${user!.balance || 0}`, inline: true },
+                { name: "Class", value: user!.class?.name || "None", inline: true },
+                { name: "Joined Discord", value: `<t:${Math.floor(targetUser.createdTimestamp / 1000)}:R>`, inline: true },
+                { name: "Joined Server", value: targetMember ? `<t:${Math.floor(targetMember.joinedTimestamp! / 1000)}:R>` : "Unknown", inline: true }
+            )
+            .setFooter({ text: `ID: ${targetUser.id}` })
+            .setTimestamp();
+
+        await interaction.editReply({ embeds: [embed] });
+    }
+});