feat(economy): add commands for opening chests, consuming items, purchasing from shops, crafting, enchanting, equipping items, smelting, and claiming smelting jobs

src/game/mutations/service.ts

@@ -0,0 +1,32 @@
+import { prisma } from '../../core/database/prisma';
+import type { ItemProps } from '../economy/types';
+import { findItemByKey, getInventoryEntry } from '../economy/service';
+
+function parseItemProps(json: unknown): ItemProps {
+  if (!json || typeof json !== 'object') return {};
+  return json as ItemProps;
+}
+
+export async function findMutationByKey(guildId: string, key: string) {
+  return prisma.itemMutation.findFirst({
+    where: { key, OR: [{ guildId }, { guildId: null }] },
+    orderBy: [{ guildId: 'desc' }],
+  });
+}
+
+export async function applyMutationToInventory(userId: string, guildId: string, itemKey: string, mutationKey: string) {
+  const { item, entry } = await getInventoryEntry(userId, guildId, itemKey, { createIfMissing: true });
+  if (!entry) throw new Error('Inventario inexistente');
+
+  const props = parseItemProps(item.props);
+  const policy = props.mutationPolicy;
+  if (policy?.deniedKeys?.includes(mutationKey)) throw new Error('Mutación denegada');
+  if (policy?.allowedKeys && !policy.allowedKeys.includes(mutationKey)) throw new Error('Mutación no permitida');
+
+  const mutation = await findMutationByKey(guildId, mutationKey);
+  if (!mutation) throw new Error('Mutación no encontrada');
+
+  await prisma.inventoryItemMutation.create({ data: { inventoryId: entry.id, mutationId: mutation.id } });
+  return { ok: true } as const;
+}
+