🎉 feat: initialize 宇之然AI维度 project

- uni-app Vue3 frontend with dark glassmorphism theme
- 5 AI dimensions: Origin / Development / Current / Learning / Trend
- AI Chat system prompt updated from geometry to AI
- 23 AI knowledge articles initialized in DB
- Trend API + cron job for daily news
- Product pricing (Pro ¥19.9, VIP ¥39.9)
- Pinia stores + API utilities
- AGENTS.md documentation

backend/wdkj-server/scripts/create-mongo-user.bat

@@ -0,0 +1,37 @@
+@echo off
+echo ========================================
+echo MongoDB 用户创建工具
+echo ========================================
+echo.
+echo 请在 MongoDB 服务器上执行以下命令：
+echo.
+echo 1. 连接到 MongoDB:
+echo    mongo --host 192.168.136.130 --port 27017
+echo.
+echo 2. 切换到 admin 数据库:
+echo    use admin
+echo.
+echo 3. 创建管理员用户（如果还没有）:
+echo    db.createUser({
+echo      user: "admin",
+echo      pwd: "admin123",
+echo      roles: ["root"]
+echo    })
+echo.
+echo 4. 切换到 wdkj 数据库:
+echo    use wdkj
+echo.
+echo 5. 创建 wdkj 用户:
+echo    db.createUser({
+echo      user: "wdkj123",
+echo      pwd: "wdkj123",
+echo      roles: [
+echo        { role: "readWrite", db: "wdkj" }
+echo      ]
+echo    })
+echo.
+echo 6. 验证用户:
+echo    db.auth("wdkj123", "wdkj123")
+echo.
+echo ========================================
+pause