feat: 初始化后端和认证API

- Express.js + TypeScript
- JWT认证系统 (bcryptjs加密)
- Prisma ORM (SQLite/PostgreSQL)
- Zod输入验证
- express-rate-limit限流

Co-Authored-By: Claude (MiniMax-M2.1) <noreply@anthropic.com>

.env

@@ -7,8 +7,11 @@ JWT_SECRET=dev-secret-key-do-not-use-in-production
 JWT_EXPIRES_IN=7d
 JWT_REFRESH_EXPIRES_IN=30d
 
-# Database (PostgreSQL - update with your local or Tencent Cloud credentials)
-DATABASE_URL=postgresql://qia_admin:your-password@postgres.ap-shanghai.myqcloud.com:5432/qia
+# Database (SQLite for local development, PostgreSQL for production)
+DATABASE_URL=file:./dev.db
+
+# PostgreSQL (for production - Tencent Cloud)
+# DATABASE_URL=postgresql://qia_admin:your-password@postgres.ap-shanghai.myqcloud.com:5432/qia
 
 # DeepSeek AI
 DEEPSEEK_API_KEY=sk-xxx

.gitignore

@@ -0,0 +1,23 @@
+# Dependencies
+node_modules/
+
+# Build
+dist/
+
+# Environment
+.env
+.env.local
+*.local
+
+# Logs
+*.log
+npm-debug.log*
+
+# Database
+*.db
+*.sqlite
+
+# IDE
+.idea/
+.vscode/
+*.swp

package.json

@@ -12,8 +12,10 @@
     "prisma:studio": "prisma studio"
   },
   "dependencies": {
+    "@libsql/client": "^0.17.0",
+    "@prisma/adapter-libsql": "^7.3.0",
     "@prisma/client": "^5.22.0",
-    "bcrypt": "^5.1.1",
+    "bcryptjs": "^2.4.3",
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",
     "express": "^4.21.0",
@@ -24,7 +26,7 @@
     "zod": "^3.23.8"
   },
   "devDependencies": {
-    "@types/bcrypt": "^5.0.2",
+    "@types/bcryptjs": "^2.4.6",
     "@types/cors": "^2.8.17",
     "@types/express": "^4.17.21",
     "@types/express-rate-limit": "^6.0.0",

prisma/schema.prisma

@@ -6,7 +6,7 @@ generator client {
 }
 
 datasource db {
-  provider = "postgresql"
+  provider = "sqlite"
   url      = env("DATABASE_URL")
 }
 
@@ -17,7 +17,7 @@ model User {
   password_hash String
   nickname      String?
   created_at    DateTime  @default(now())
-  updated_at    DateTime  @updated_at
+  updated_at    DateTime  @updatedAt
 
   // Relations
   events        Event[]
@@ -40,7 +40,7 @@ model Event {
   is_holiday   Boolean   @default(false) // Only for anniversaries
   is_completed Boolean   @default(false) // Only for reminders
   created_at   DateTime  @default(now())
-  updated_at   DateTime  @updated_at
+  updated_at   DateTime  @updatedAt
 
   // Relations
   user User @relation(fields: [user_id], references: [id], onDelete: Cascade)
@@ -57,7 +57,7 @@ model Note {
   user_id   String
   content   String   @db.Text // HTML content from rich text editor
   created_at DateTime @default(now())
-  updated_at DateTime @updated_at
+  updated_at DateTime @updatedAt
 
   // Relations
   user User @relation(fields: [user_id], references: [id], onDelete: Cascade)

src/routes/auth.ts

@@ -1,5 +1,5 @@
 import { Router, Request, Response } from 'express';
-import bcrypt from 'bcrypt';
+import bcrypt from 'bcryptjs';
 import rateLimit from 'express-rate-limit';
 import { z } from 'zod';
 import prisma from '../lib/prisma';