feat(economy): add minigame commands for mining, fighting, fishing, and farming

src/commands/messages/game/_helpers.ts

@@ -0,0 +1,32 @@
+import { prisma } from '../../../core/database/prisma';
+import type { ItemProps } from '../../../game/economy/types';
+
+export function parseItemProps(json: unknown): ItemProps {
+  if (!json || typeof json !== 'object') return {};
+  return json as ItemProps;
+}
+
+export async function resolveArea(guildId: string, areaKey: string) {
+  const area = await prisma.gameArea.findFirst({ where: { key: areaKey, OR: [{ guildId }, { guildId: null }] }, orderBy: [{ guildId: 'desc' }] });
+  return area;
+}
+
+export async function getDefaultLevel(userId: string, guildId: string, areaId: string): Promise<number> {
+  const prog = await prisma.playerProgress.findUnique({ where: { userId_guildId_areaId: { userId, guildId, areaId } } });
+  return Math.max(1, prog?.highestLevel ?? 1);
+}
+
+export async function findBestToolKey(userId: string, guildId: string, toolType: string): Promise<string | null> {
+  const inv = 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 inv) {
+    const it = e.item;
+    const props = parseItemProps(it.props);
+    const t = props.tool;
+    if (!t || t.type !== toolType) continue;
+    const tier = Math.max(0, t.tier ?? 0);
+    if (!best || tier > best.tier) best = { key: it.key, tier };
+  }
+  return best?.key ?? null;
+}
+