feat: 更新OCI Provider版本至7.20并集成Vault配置

refactor: 重构Terraform配置以使用Consul和Vault存储敏感信息

docs: 添加Vault实施文档和配置指南

chore: 清理不再使用的配置文件和脚本

feat: 添加Nomad集群领导者发现脚本和文档

feat: 实现MCP配置共享方案和同步脚本

style: 更新README中的网络访问注意事项

test: 添加Consul Provider集成测试脚本

tofu/shared/versions.tf

@@ -6,7 +6,7 @@ terraform {
     # Oracle Cloud Infrastructure
     oci = {
       source  = "oracle/oci"
-      version = "~> 5.0"
+      version = "7.20.0"
     }
     
     # 华为云
@@ -36,17 +36,23 @@ terraform {
     # 其他常用提供商
     random = {
       source  = "hashicorp/random"
-      version = "~> 3.1"
+      version = "3.7.2"
     }
     
     tls = {
       source  = "hashicorp/tls"
-      version = "~> 4.0"
+      version = "4.1.0"
     }
     
     local = {
       source  = "hashicorp/local"
-      version = "~> 2.1"
+      version = "2.5.3"
+    }
+    
+    # HashiCorp Vault
+    vault = {
+      source  = "hashicorp/vault"
+      version = "~> 4.0"
     }
   }