init: init prok

packages/shared/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "@stamp/shared",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "main": "src/index.ts",
+  "scripts": {
+    "build": "tsc",
+    "db:generate": "prisma generate --schema=../../prisma/schema.prisma",
+    "db:migrate": "prisma migrate dev --schema=../../prisma/schema.prisma",
+    "db:push": "prisma db push --schema=../../prisma/schema.prisma"
+  },
+  "devDependencies": {
+    "typescript": "~5.9.3"
+  }
+}

packages/shared/src/db.ts

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+import { PrismaClient } from "@prisma/client";
+
+export const prisma = new PrismaClient();

packages/shared/src/index.ts

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+export { prisma } from "./db.js";
+export type * from "./types.js";

packages/shared/src/types.ts

@@ -0,0 +1,30 @@
+export type ApiResponse<T = unknown> = {
+  success: boolean;
+  data?: T;
+  error?: { code: string; message: string };
+};
+
+export type StampWithStatus = {
+  id: string;
+  name: string;
+  note: string | null;
+  imageColor: string;
+  imageGrey: string;
+  sortOrder: number;
+  collected: boolean;
+  collectedAt: string | null;
+};
+
+export type RedemptionRuleInfo = {
+  id: string;
+  name: string;
+  description: string | null;
+  threshold: number;
+};
+
+export type RedemptionRecord = {
+  id: string;
+  ruleName: string;
+  stampCount: number;
+  redeemedAt: string;
+};

packages/shared/tsconfig.json

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+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "rootDir": "src"
+  },
+  "include": ["src"]
+}