Fix documentation links and add missing field

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

content/docs/00-intro/welcome.en.mdx

@@ -127,6 +127,6 @@ Separation of protocol layer and implementation layer allows independent evoluti
 
 ## Next Steps
 
-- Check out [Quick Start](/en/docs/01-quickstart) to run your first application in 5 minutes
+- Check out [Quick Start](../01-quickstart) to run your first application in 5 minutes
 - Read [The Manifesto](./manifesto) to understand the design principles in depth
 - Learn about [The AI Codex](./ai-codex) to improve development efficiency

content/docs/00-intro/welcome.zh-CN.mdx

@@ -127,6 +127,6 @@ ObjectOS 是粘合 ObjectQL 和 ObjectUI 的运行时平台：
 
 ## 下一步
 
-- 查看[快速开始](/zh-CN/docs/01-quickstart)，5 分钟内运行第一个应用
+- 查看[快速开始](../01-quickstart)，5 分钟内运行第一个应用
 - 阅读[架构宪法](./manifesto)，深入理解设计原则
 - 了解[AI 协作指引](./ai-codex)，提升开发效率

content/docs/01-quickstart/demos.en.mdx

@@ -37,6 +37,8 @@ A complete personal finance tracker built with ObjectStack's local-first archite
 
 **Option 1: Install from .oos Package**
 
+> **Note**: The download URLs below are placeholders for demonstration purposes. Please check the official ObjectStack repository for actual demo packages.
+
 ```bash
 # Download the package
 curl -O https://demos.objectstack.io/accounting-app.oos
@@ -593,6 +595,8 @@ Both demos include sample data for exploration:
 
 ## Download Links
 
+> **Note**: These are placeholder URLs for documentation purposes. Actual demo resources will be available through the ObjectStack GitHub repositories.
+
 ### Accounting App
 - **Source Code**: [github.com/objectstack/demo-accounting-app](https://github.com/objectstack/demo-accounting-app)
 - **.oos Package**: [demos.objectstack.io/accounting-app.oos](https://demos.objectstack.io/accounting-app.oos)

content/docs/01-quickstart/demos.zh-CN.mdx

@@ -37,6 +37,8 @@ description: 探索可直接运行的 ObjectStack 示例应用
 
 **选项 1: 从 .oos 包安装**
 
+> **注意**: 下面的下载 URL 仅为演示目的的占位符。请查看 ObjectStack 官方仓库获取实际的示例包。
+
 ```bash
 # 下载包
 curl -O https://demos.objectstack.io/accounting-app.oos
@@ -593,6 +595,8 @@ export default {
 
 ## 下载链接
 
+> **注意**: 这些是文档目的的占位符 URL。实际的示例资源将通过 ObjectStack GitHub 仓库提供。
+
 ### 记账应用
 - **源码**: [github.com/objectstack/demo-accounting-app](https://github.com/objectstack/demo-accounting-app)
 - **.oos 包**: [demos.objectstack.io/accounting-app.oos](https://demos.objectstack.io/accounting-app.oos)

content/docs/01-quickstart/enterprise-integrators.en.mdx

@@ -601,13 +601,13 @@ docker-compose restart
 
 ## Next Steps
 
-- Explore [Multi-tenant Configuration](/docs/04-objectos/multi-tenant)
-- Learn about [Security & Permissions](/docs/04-objectos/security)
-- Set up [Monitoring & Logging](/docs/04-objectos/monitoring)
-- Configure [High Availability](/docs/04-objectos/ha-setup)
+- Explore [Multi-tenant Configuration](../04-objectos/multi-tenant)
+- Learn about [Security & Permissions](../04-objectos/security)
+- Set up [Monitoring & Logging](../04-objectos/monitoring)
+- Configure [High Availability](../04-objectos/ha-setup)
 
 ## Getting Help
 
-- 📚 [Enterprise Documentation](/docs/07-commercial)
+- 📚 [Enterprise Documentation](../07-commercial)
 - 💼 [Enterprise Support](https://objectstack.io/enterprise)
 - 🔧 [Professional Services](https://objectstack.io/services)

content/docs/01-quickstart/enterprise-integrators.zh-CN.mdx

@@ -601,13 +601,13 @@ docker-compose restart
 
 ## 下一步
 
-- 探索[多租户配置](/zh-CN/docs/04-objectos/multi-tenant)
-- 了解[安全与权限](/zh-CN/docs/04-objectos/security)
-- 设置[监控与日志](/zh-CN/docs/04-objectos/monitoring)
-- 配置[高可用性](/zh-CN/docs/04-objectos/ha-setup)
+- 探索[多租户配置](../04-objectos/multi-tenant)
+- 了解[安全与权限](../04-objectos/security)
+- 设置[监控与日志](../04-objectos/monitoring)
+- 配置[高可用性](../04-objectos/ha-setup)
 
 ## 获取帮助
 
-- 📚 [企业文档](/zh-CN/docs/07-commercial)
+- 📚 [企业文档](../07-commercial)
 - 💼 [企业支持](https://objectstack.io/enterprise)
 - 🔧 [专业服务](https://objectstack.io/services)

content/docs/01-quickstart/individual-developers.en.mdx

@@ -148,6 +148,11 @@ export default {
     dueDate: {
       type: "date",
       label: "Due Date"
+    },
+    completedAt: {
+      type: "datetime",
+      label: "Completed At",
+      readonly: true
     }
   },
   list_views: {
@@ -385,9 +390,9 @@ Congratulations! You've built your first ObjectStack application.
 
 ### Learn More
 
-- Explore [ObjectQL](/docs/02-objectql) - Advanced data modeling
-- Master [ObjectUI](/docs/03-objectui) - Complex UI patterns
-- Study [Triggers & Logic](/docs/02-objectql/triggers) - Business rules
+- Explore [ObjectQL](../02-objectql) - Advanced data modeling
+- Master [ObjectUI](../03-objectui) - Complex UI patterns
+- Study [Triggers & Logic](../02-objectql/triggers) - Business rules
 
 ### Try These Projects
 

content/docs/01-quickstart/individual-developers.zh-CN.mdx

@@ -148,6 +148,11 @@ export default {
     dueDate: {
       type: "date",
       label: "截止日期"
+    },
+    completedAt: {
+      type: "datetime",
+      label: "完成时间",
+      readonly: true
     }
   },
   list_views: {
@@ -385,9 +390,9 @@ dueDate: {
 
 ### 深入学习
 
-- 探索 [ObjectQL](/zh-CN/docs/02-objectql) - 高级数据建模
-- 掌握 [ObjectUI](/zh-CN/docs/03-objectui) - 复杂 UI 模式
-- 学习 [触发器与逻辑](/zh-CN/docs/02-objectql/triggers) - 业务规则
+- 探索 [ObjectQL](../02-objectql) - 高级数据建模
+- 掌握 [ObjectUI](../03-objectui) - 复杂 UI 模式
+- 学习 [触发器与逻辑](../02-objectql/triggers) - 业务规则
 
 ### 尝试这些项目