diff --git a/src/commands/messages/game/abrir.ts b/src/commands/messages/game/abrir.ts
new file mode 100644
index 0000000..9e9767a
--- /dev/null
+++ b/src/commands/messages/game/abrir.ts
@@ -0,0 +1,39 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { openChestByKey } from '../../../game/economy/service';
+
+export const command: CommandMessage = {
+  name: 'abrir',
+  type: 'message',
+  aliases: ['open'],
+  cooldown: 3,
+  description: 'Abre un cofre (item) por key y recibe sus recompensas/roles.',
+  usage: 'abrir <itemKey>',
+  run: async (message, args, _client: Amayo) => {
+    const itemKey = args[0]?.trim();
+    if (!itemKey) { await message.reply('Uso: `!abrir <itemKey>`'); return; }
+    try {
+      const res = await openChestByKey(message.author.id, message.guild!.id, itemKey);
+      const coins = res.coinsDelta ? `🪙 +${res.coinsDelta}` : '';
+      const items = res.itemsToAdd.length ? res.itemsToAdd.map(i => `${i.itemKey ?? i.itemId} x${i.qty}`).join(' · ') : '';
+      let rolesGiven: string[] = [];
+      let rolesFailed: string[] = [];
+      if (res.rolesToGrant.length && message.member) {
+        for (const r of res.rolesToGrant) {
+          try { await message.member.roles.add(r); rolesGiven.push(r); } catch { rolesFailed.push(r); }
+        }
+      }
+      const lines = [
+        `🎁 Abriste ${itemKey}${res.consumed ? ' (consumido 1)' : ''}`,
+        coins && `Monedas: ${coins}`,
+        items && `Ítems: ${items}`,
+        rolesGiven.length ? `Roles otorgados: ${rolesGiven.map(id=>`<@&${id}>`).join(', ')}` : '',
+        rolesFailed.length ? `Roles fallidos: ${rolesFailed.join(', ')}` : '',
+      ].filter(Boolean);
+      await message.reply(lines.join('\n'));
+    } catch (e: any) {
+      await message.reply(`❌ No se pudo abrir ${itemKey}: ${e?.message ?? e}`);
+    }
+  }
+};
+
diff --git a/src/commands/messages/game/comer.ts b/src/commands/messages/game/comer.ts
new file mode 100644
index 0000000..3383e9d
--- /dev/null
+++ b/src/commands/messages/game/comer.ts
@@ -0,0 +1,23 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { useConsumableByKey } from '../../../game/consumables/service';
+
+export const command: CommandMessage = {
+  name: 'comer',
+  type: 'message',
+  aliases: ['usar-comida','usar'],
+  cooldown: 3,
+  description: 'Usa un ítem consumible (comida/poción) para curarte. Respeta cooldowns.',
+  usage: 'comer <itemKey>',
+  run: async (message, args, _client: Amayo) => {
+    const itemKey = args[0]?.trim();
+    if (!itemKey) { await message.reply('Uso: `!comer <itemKey>`'); return; }
+    try {
+      const res = await useConsumableByKey(message.author.id, message.guild!.id, itemKey);
+      await message.reply(`🍽️ Usaste ${itemKey}. Curado: +${res.healed} HP.`);
+    } catch (e: any) {
+      await message.reply(`❌ No se pudo usar ${itemKey}: ${e?.message ?? e}`);
+    }
+  }
+};
+
diff --git a/src/commands/messages/game/comprar.ts b/src/commands/messages/game/comprar.ts
new file mode 100644
index 0000000..99ca694
--- /dev/null
+++ b/src/commands/messages/game/comprar.ts
@@ -0,0 +1,24 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { buyFromOffer } from '../../../game/economy/service';
+
+export const command: CommandMessage = {
+  name: 'comprar',
+  type: 'message',
+  aliases: ['buy'],
+  cooldown: 3,
+  description: 'Compra una oferta de la tienda por su ID. Respeta límites y stock.',
+  usage: 'comprar <offerId> [qty] (ej: comprar off_123 2)',
+  run: async (message, args, _client: Amayo) => {
+    const offerId = args[0]?.trim();
+    const qty = Math.max(1, parseInt(args[1] || '1', 10) || 1);
+    if (!offerId) { await message.reply('Uso: `!comprar <offerId> [qty]`'); return; }
+    try {
+      const res = await buyFromOffer(message.author.id, message.guild!.id, offerId, qty);
+      await message.reply(`🛒 Comprado: ${res.item.key} x${res.qty}`);
+    } catch (e: any) {
+      await message.reply(`❌ No se pudo comprar: ${e?.message ?? e}`);
+    }
+  }
+};
+
diff --git a/src/commands/messages/game/craftear.ts b/src/commands/messages/game/craftear.ts
new file mode 100644
index 0000000..8cd3c9c
--- /dev/null
+++ b/src/commands/messages/game/craftear.ts
@@ -0,0 +1,35 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { craftByProductKey } from '../../../game/economy/service';
+
+export const command: CommandMessage = {
+  name: 'craftear',
+  type: 'message',
+  aliases: ['craft'],
+  cooldown: 3,
+  description: 'Craftea un ítem por su productKey, consumiendo ingredientes según la receta.',
+  usage: 'craftear <productKey> [veces] (ej: craftear ingot.iron 3)',
+  run: async (message, args, _client: Amayo) => {
+    const productKey = args[0]?.trim();
+    const times = Math.max(1, parseInt(args[1] || '1', 10) || 1);
+    if (!productKey) { await message.reply('Uso: `!craftear <productKey> [veces]`'); return; }
+
+    let crafted = 0;
+    let lastError: any = null;
+    for (let i = 0; i < times; i++) {
+      try {
+        const res = await craftByProductKey(message.author.id, message.guild!.id, productKey);
+        crafted += res.added;
+      } catch (e: any) {
+        lastError = e; break;
+      }
+    }
+
+    if (crafted > 0) {
+      await message.reply(`🛠️ Crafteado ${productKey} x${crafted * 1}.`);
+    } else {
+      await message.reply(`❌ No se pudo craftear: ${lastError?.message ?? 'revise ingredientes/receta'}`);
+    }
+  }
+};
+
diff --git a/src/commands/messages/game/encantar.ts b/src/commands/messages/game/encantar.ts
new file mode 100644
index 0000000..5babb28
--- /dev/null
+++ b/src/commands/messages/game/encantar.ts
@@ -0,0 +1,24 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { applyMutationToInventory } from '../../../game/mutations/service';
+
+export const command: CommandMessage = {
+  name: 'encantar',
+  type: 'message',
+  aliases: ['mutar','enchant'],
+  cooldown: 3,
+  description: 'Aplica una mutación/encantamiento a un ítem por su itemKey y mutationKey, respetando mutationPolicy.',
+  usage: 'encantar <itemKey> <mutationKey>',
+  run: async (message, args, _client: Amayo) => {
+    const itemKey = args[0]?.trim();
+    const mutationKey = args[1]?.trim();
+    if (!itemKey || !mutationKey) { await message.reply('Uso: `!encantar <itemKey> <mutationKey>`'); return; }
+    try {
+      await applyMutationToInventory(message.author.id, message.guild!.id, itemKey, mutationKey);
+      await message.reply(`✨ Aplicada mutación ${mutationKey} a ${itemKey}.`);
+    } catch (e: any) {
+      await message.reply(`❌ No se pudo encantar: ${e?.message ?? e}`);
+    }
+  }
+};
+
diff --git a/src/commands/messages/game/equipar.ts b/src/commands/messages/game/equipar.ts
new file mode 100644
index 0000000..2c036f4
--- /dev/null
+++ b/src/commands/messages/game/equipar.ts
@@ -0,0 +1,32 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { setEquipmentSlot } from '../../../game/combat/equipmentService';
+import { prisma } from '../../../core/database/prisma';
+
+export const command: CommandMessage = {
+  name: 'equipar',
+  type: 'message',
+  aliases: ['equip'],
+  cooldown: 3,
+  description: 'Equipa un item en un slot (weapon|armor|cape) por su key, si lo tienes en inventario.',
+  usage: 'equipar <weapon|armor|cape> <itemKey>',
+  run: async (message, args, _client: Amayo) => {
+    const slot = (args[0]?.trim()?.toLowerCase() as 'weapon'|'armor'|'cape'|undefined);
+    const itemKey = args[1]?.trim();
+    if (!slot || !['weapon','armor','cape'].includes(slot) || !itemKey) {
+      await message.reply('Uso: `!equipar <weapon|armor|cape> <itemKey>`');
+      return;
+    }
+    const guildId = message.guild!.id;
+    const userId = message.author.id;
+
+    const item = await prisma.economyItem.findFirst({ where: { key: itemKey, OR: [{ guildId }, { guildId: null }] }, orderBy: [{ guildId: 'desc' }] });
+    if (!item) { await message.reply('❌ Item no encontrado.'); return; }
+    const inv = await prisma.inventoryEntry.findUnique({ where: { userId_guildId_itemId: { userId, guildId, itemId: item.id } } });
+    if (!inv || inv.quantity <= 0) { await message.reply('❌ No tienes este item en tu inventario.'); return; }
+
+    await setEquipmentSlot(userId, guildId, slot, item.id);
+    await message.reply(`🧰 Equipado en ${slot}: ${item.key}`);
+  }
+};
+
diff --git a/src/commands/messages/game/fundir.ts b/src/commands/messages/game/fundir.ts
new file mode 100644
index 0000000..11c436d
--- /dev/null
+++ b/src/commands/messages/game/fundir.ts
@@ -0,0 +1,40 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { createSmeltJob } from '../../../game/smelting/service';
+
+export const command: CommandMessage = {
+  name: 'fundir',
+  type: 'message',
+  aliases: ['smelt'],
+  cooldown: 5,
+  description: 'Crea un job de fundición: descuenta insumos y estará listo tras el tiempo indicado.',
+  usage: 'fundir <outputKey> <outputQty> <segundos> <inputKey1>:<qty> [inputKey2>:<qty> ...]'
+    + '\nEj: fundir ingot.iron 1 60 ore.iron:3',
+  run: async (message, args, _client: Amayo) => {
+    const [outputKey, qtyStr, secsStr, ...rest] = args;
+    if (!outputKey || !qtyStr || !secsStr || rest.length === 0) {
+      await message.reply('Uso: `!fundir <outputKey> <outputQty> <segundos> <inputKey1>:<qty> [...]`');
+      return;
+    }
+    const outputQty = parseInt(qtyStr, 10);
+    const seconds = parseInt(secsStr, 10);
+    if (!Number.isFinite(outputQty) || outputQty <= 0 || !Number.isFinite(seconds) || seconds <= 0) {
+      await message.reply('❌ Cantidades/segundos inválidos.');
+      return;
+    }
+    const inputs = rest.map((tok) => {
+      const [k, q] = tok.split(':');
+      return { itemKey: (k || '').trim(), qty: Math.max(1, parseInt((q || '1'), 10) || 1) };
+    }).filter(x => x.itemKey);
+    if (!inputs.length) { await message.reply('❌ Debes especificar al menos un insumo como key:qty'); return; }
+
+    try {
+      const res = await createSmeltJob(message.author.id, message.guild!.id, inputs, outputKey, outputQty, seconds);
+      const when = new Date(res.readyAt).toLocaleTimeString('es-ES', { hour12: false });
+      await message.reply(`🔥 Fundición creada (job: ${res.jobId}). Estará lista a las ${when}.`);
+    } catch (e: any) {
+      await message.reply(`❌ No se pudo crear la fundición: ${e?.message ?? e}`);
+    }
+  }
+};
+
diff --git a/src/commands/messages/game/fundirReclamar.ts b/src/commands/messages/game/fundirReclamar.ts
new file mode 100644
index 0000000..4ce0d81
--- /dev/null
+++ b/src/commands/messages/game/fundirReclamar.ts
@@ -0,0 +1,28 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { claimSmeltJob, claimNextReadyJob } from '../../../game/smelting/service';
+
+export const command: CommandMessage = {
+  name: 'fundir-reclamar',
+  type: 'message',
+  aliases: ['smelt-claim','reclamar-fundicion'],
+  cooldown: 3,
+  description: 'Reclama una fundición lista por jobId o la más antigua lista si no especificas id.',
+  usage: 'fundir-reclamar [jobId]'
+    + '\nSin argumentos intenta reclamar la más antigua lista.',
+  run: async (message, args, _client: Amayo) => {
+    const jobId = args[0]?.trim();
+    try {
+      if (jobId) {
+        await claimSmeltJob(message.author.id, message.guild!.id, jobId);
+        await message.reply(`✅ Fundición reclamada (job ${jobId}).`);
+      } else {
+        const res = await claimNextReadyJob(message.author.id, message.guild!.id);
+        await message.reply(`✅ Fundición reclamada (job ${res.jobId}).`);
+      }
+    } catch (e: any) {
+      await message.reply(`❌ No se pudo reclamar: ${e?.message ?? e}`);
+    }
+  }
+};
+
diff --git a/src/commands/messages/game/mobEdit.ts b/src/commands/messages/game/mobEdit.ts
index 94a4163..5f3e54e 100644
--- a/src/commands/messages/game/mobEdit.ts
+++ b/src/commands/messages/game/mobEdit.ts
@@ -41,7 +41,6 @@ export const command: CommandMessage = {
 
     const editorMsg = await message.channel.send({
       content: `👾 Editor de Mob (editar): \`${key}\``,
-      flags: MessageFlags.IsComponentsV2,
       components: [ { type: 1, components: [
         { type: 2, style: ButtonStyle.Primary, label: 'Base', custom_id: 'mb_base' },
         { type: 2, style: ButtonStyle.Secondary, label: 'Stats (JSON)', custom_id: 'mb_stats' },
@@ -98,4 +97,3 @@ async function showJsonModal(i: ButtonInteraction, state: MobEditorState, field:
     else { state[field] = field==='stats' ? { attack: 5 } : {}; await sub.reply({ content: 'ℹ️ Limpio.', flags: MessageFlags.Ephemeral }); }
   } catch {}
 }
-
diff --git a/src/commands/messages/game/monedas.ts b/src/commands/messages/game/monedas.ts
new file mode 100644
index 0000000..c89b3c6
--- /dev/null
+++ b/src/commands/messages/game/monedas.ts
@@ -0,0 +1,17 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { getOrCreateWallet } from '../../../game/economy/service';
+
+export const command: CommandMessage = {
+  name: 'monedas',
+  type: 'message',
+  aliases: ['coins','saldo'],
+  cooldown: 2,
+  description: 'Muestra tu saldo de monedas en este servidor.',
+  usage: 'monedas',
+  run: async (message, _args, _client: Amayo) => {
+    const wallet = await getOrCreateWallet(message.author.id, message.guild!.id);
+    await message.reply(`💰 Monedas: ${wallet.coins}`);
+  }
+};
+
diff --git a/src/game/minigames/service.ts b/src/game/minigames/service.ts
index b4ad697..48835a8 100644
--- a/src/game/minigames/service.ts
+++ b/src/game/minigames/service.ts
@@ -4,6 +4,22 @@ import type { ItemProps, InventoryState } from '../economy/types';
 import type { LevelRequirements, RunMinigameOptions, RunResult, RewardsTable, MobsTable } from './types';
 import type { Prisma } from '@prisma/client';
 
+// Auto-select best tool from inventory by type and constraints
+async function findBestToolKey(userId: string, guildId: string, toolType: string, opts?: { minTier?: number; allowedKeys?: string[] }) {
+  const entries = await prisma.inventoryEntry.findMany({ where: { userId, guildId, quantity: { gt: 0 } }, include: { item: true } });
+  let best: { key: string; tier: number } | null = null;
+  for (const e of entries) {
+    const props = parseItemProps(e.item.props);
+    const t = props.tool;
+    if (!t || t.type !== toolType) continue;
+    const tier = Math.max(0, t.tier ?? 0);
+    if (opts?.minTier != null && tier < opts.minTier) continue;
+    if (opts?.allowedKeys && opts.allowedKeys.length && !opts.allowedKeys.includes(e.item.key)) continue;
+    if (!best || tier > best.tier) best = { key: e.item.key, tier };
+  }
+  return best?.key ?? null;
+}
+
 function parseJSON<T>(v: unknown): T | null {
   if (!v || (typeof v !== 'object' && typeof v !== 'string')) return null;
   return v as T;
@@ -44,23 +60,30 @@ async function validateRequirements(userId: string, guildId: string, req?: Level
   const toolReq = req.tool;
   if (!toolReq) return { toolKeyUsed: undefined as string | undefined };
 
+  let toolKeyUsed = toolKey;
+
+  // Auto-select tool when required and not provided
+  if (!toolKeyUsed && toolReq.required && toolReq.toolType) {
+    toolKeyUsed = await findBestToolKey(userId, guildId, toolReq.toolType, { minTier: toolReq.minTier, allowedKeys: toolReq.allowedKeys });
+  }
+
   // herramienta requerida
-  if (toolReq.required && !toolKey) throw new Error('Se requiere una herramienta');
-  if (!toolKey) return { toolKeyUsed: undefined };
+  if (toolReq.required && !toolKeyUsed) throw new Error('Se requiere una herramienta adecuada');
+  if (!toolKeyUsed) return { toolKeyUsed: undefined };
 
   // verificar herramienta
-  const toolItem = await findItemByKey(guildId, toolKey);
+  const toolItem = await findItemByKey(guildId, toolKeyUsed);
   if (!toolItem) throw new Error('Herramienta no encontrada');
-  const { entry } = await getInventoryEntry(userId, guildId, toolKey);
+  const { entry } = await getInventoryEntry(userId, guildId, toolKeyUsed);
   if (!entry || (entry.quantity ?? 0) <= 0) throw new Error('No tienes la herramienta');
 
   const props = parseItemProps(toolItem.props);
   const tool = props.tool;
   if (toolReq.toolType && tool?.type !== toolReq.toolType) throw new Error('Tipo de herramienta incorrecto');
   if (toolReq.minTier != null && (tool?.tier ?? 0) < toolReq.minTier) throw new Error('Tier de herramienta insuficiente');
-  if (toolReq.allowedKeys && !toolReq.allowedKeys.includes(toolKey)) throw new Error('Esta herramienta no es válida para esta área');
+  if (toolReq.allowedKeys && !toolReq.allowedKeys.includes(toolKeyUsed)) throw new Error('Esta herramienta no es válida para esta área');
 
-  return { toolKeyUsed: toolKey };
+  return { toolKeyUsed };
 }
 
 async function applyRewards(userId: string, guildId: string, rewards?: RewardsTable): Promise<RunResult['rewards']> {
@@ -206,3 +229,18 @@ export async function runMinigame(userId: string, guildId: string, areaKey: stri
 
   return { success: true, rewards: delivered, mobs: mobsSpawned, tool: toolInfo };
 }
+
+// Convenience wrappers with auto-level (from PlayerProgress) and auto-tool selection inside validateRequirements
+export async function runMining(userId: string, guildId: string, level?: number, toolKey?: string) {
+  const area = await prisma.gameArea.findFirst({ where: { key: 'mine.cavern', OR: [{ guildId }, { guildId: null }] }, orderBy: [{ guildId: 'desc' }] });
+  if (!area) throw new Error('Área de mina no configurada');
+  const lvl = level ?? (await prisma.playerProgress.findUnique({ where: { userId_guildId_areaId: { userId, guildId, areaId: area.id } } }))?.highestLevel ?? 1;
+  return runMinigame(userId, guildId, 'mine.cavern', Math.max(1, lvl), { toolKey });
+}
+
+export async function runFishing(userId: string, guildId: string, level?: number, toolKey?: string) {
+  const area = await prisma.gameArea.findFirst({ where: { key: 'lagoon.shore', OR: [{ guildId }, { guildId: null }] }, orderBy: [{ guildId: 'desc' }] });
+  if (!area) throw new Error('Área de laguna no configurada');
+  const lvl = level ?? (await prisma.playerProgress.findUnique({ where: { userId_guildId_areaId: { userId, guildId, areaId: area.id } } }))?.highestLevel ?? 1;
+  return runMinigame(userId, guildId, 'lagoon.shore', Math.max(1, lvl), { toolKey });
+}
diff --git a/src/game/mutations/service.ts b/src/game/mutations/service.ts
new file mode 100644
index 0000000..1ea9dfc
--- /dev/null
+++ b/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;
+}
+
diff --git a/src/game/smelting/service.ts b/src/game/smelting/service.ts
index caac063..ee5e08a 100644
--- a/src/game/smelting/service.ts
+++ b/src/game/smelting/service.ts
@@ -13,8 +13,8 @@ export async function createSmeltJob(userId: string, guildId: string, inputs: Sm
   const outItem = await findItemByKey(guildId, outputItemKey);
   if (!outItem) throw new Error('Output item no encontrado');
 
+  let newJobId: string | null = null;
   // Validar y descontar inputs
-  // Nota: para simplificar, chequeo y descuento debería ser transaccional; usamos una transacción
   await prisma.$transaction(async (tx) => {
     // Chequeo
     for (const i of inputs) {
@@ -30,7 +30,7 @@ export async function createSmeltJob(userId: string, guildId: string, inputs: Sm
       await tx.inventoryEntry.update({ where: { userId_guildId_itemId: { userId, guildId, itemId: it.id } }, data: { quantity: { decrement: i.qty } } });
     }
     // Crear job
-    await tx.smeltJob.create({
+    const created = await tx.smeltJob.create({
       data: {
         userId,
         guildId,
@@ -40,10 +40,12 @@ export async function createSmeltJob(userId: string, guildId: string, inputs: Sm
         readyAt,
         status: 'pending',
       },
+      select: { id: true },
     });
+    newJobId = created.id;
   });
 
-  return { readyAt } as const;
+  return { readyAt, jobId: newJobId! } as const;
 }
 
 export async function claimSmeltJob(userId: string, guildId: string, jobId: string) {
@@ -52,13 +54,10 @@ export async function claimSmeltJob(userId: string, guildId: string, jobId: stri
   if (job.status !== 'pending' && job.status !== 'ready') throw new Error('Estado inválido');
   if (job.readyAt > new Date()) throw new Error('Aún no está listo');
 
-  // Otorgar outputs y marcar claimed
   await prisma.$transaction(async (tx) => {
     await tx.smeltJob.update({ where: { id: job.id }, data: { status: 'claimed' } });
     const outItem = await tx.economyItem.findUnique({ where: { id: job.outputItemId } });
     if (outItem) {
-      // usamos servicio economy por fuera de la transacción (para evitar nested client); hacemos simple aquí
-      // añadir con tx: replicamos addItem
       const inv = await tx.inventoryEntry.findUnique({ where: { userId_guildId_itemId: { userId, guildId, itemId: outItem.id } } });
       if (inv) {
         await tx.inventoryEntry.update({ where: { userId_guildId_itemId: { userId, guildId, itemId: outItem.id } }, data: { quantity: { increment: job.outputQty } } });
@@ -71,3 +70,12 @@ export async function claimSmeltJob(userId: string, guildId: string, jobId: stri
   return { ok: true } as const;
 }
 
+export async function claimNextReadyJob(userId: string, guildId: string) {
+  const job = await prisma.smeltJob.findFirst({
+    where: { userId, guildId, status: { in: ['pending', 'ready'] }, readyAt: { lte: new Date() } },
+    orderBy: { readyAt: 'asc' },
+  });
+  if (!job) throw new Error('No hay jobs listos');
+  await claimSmeltJob(userId, guildId, job.id);
+  return { ok: true, jobId: job.id } as const;
+}