feat: complete TASK-WP0-01 toolchain skeleton

apps/api/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "@dada/api",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "start": "node dist/main.js",
+    "typecheck": "tsc --noEmit -p tsconfig.json"
+  },
+  "dependencies": {
+    "@fastify/swagger": "9.8.1",
+    "@sinclair/typebox": "0.34.52",
+    "better-sqlite3": "13.0.1",
+    "drizzle-orm": "0.45.2",
+    "fastify": "5.10.0"
+  },
+  "devDependencies": {
+    "@types/better-sqlite3": "7.6.13",
+    "@types/node": "24.13.3",
+    "typescript": "7.0.2"
+  }
+}

apps/api/src/app.ts

@@ -0,0 +1,17 @@
+import swagger from "@fastify/swagger";
+import Fastify from "fastify";
+
+export function createApp() {
+  const app = Fastify({ logger: false });
+
+  void app.register(swagger, {
+    openapi: {
+      info: {
+        title: "Dada P0-A",
+        version: "0.0.0",
+      },
+    },
+  });
+
+  return app;
+}

apps/api/src/main.ts

@@ -0,0 +1,8 @@
+import { createApp } from "./app.js";
+
+const app = createApp();
+
+await app.listen({
+  host: "127.0.0.1",
+  port: 43121,
+});

apps/api/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "lib": ["ES2024"],
+    "types": ["node"],
+    "outDir": "dist",
+    "rootDir": "src"
+  },
+  "include": ["src"]
+}