SMB Module Phase 1完成 (79行代码)

功能：
- SMBConfig: 配置结构体
- SMBManager: 管理API
- CLI工具：status/list/create/remove命令

验证：
- ✅ status命令JSON输出
- ✅ list命令正确显示
- ✅ create命令生成配置指南

下一步：
- 用户手动启用SMB服务（需要sudo）
- Windows/macOS客户端测试
- Phase 2: 权限控制优化

markbase-smb/src/manager.rs

@@ -0,0 +1,89 @@
+use anyhow::Result;
+use std::path::Path;
+use std::process::Command;
+
+use crate::config::SMBConfig;
+
+pub struct SMBManager {
+    config: SMBConfig,
+}
+
+impl SMBManager {
+    pub fn new(config: SMBConfig) -> Self {
+        SMBManager { config }
+    }
+    
+    pub fn check_smb_service() -> Result<bool> {
+        let output = Command::new("sharing")
+            .arg("-l")
+            .output()?;
+        
+        let status = String::from_utf8_lossy(&output.stdout);
+        Ok(!status.contains("No share point records"))
+    }
+    
+    pub fn create_share(&self) -> Result<()> {
+        let path = Path::new(&self.config.path);
+        if !path.exists() {
+            return Err(anyhow::anyhow!("Path does not exist: {}", self.config.path));
+        }
+        
+        eprintln!("Creating SMB share '{}' for path: {}", self.config.share_name, self.config.path);
+        
+        let smb_conf_content = self.config.to_smb_conf();
+        eprintln!("Generated smb.conf section:\n{}", smb_conf_content);
+        
+        eprintln!("\nTo enable SMB sharing, run:");
+        eprintln!("sudo sharing -a \"{}\" -S \"{}\"", self.config.path, self.config.share_name);
+        
+        Ok(())
+    }
+    
+    pub fn remove_share(&self) -> Result<()> {
+        eprintln!("Removing SMB share '{}'...", self.config.share_name);
+        
+        eprintln!("To remove SMB sharing, run:");
+        eprintln!("sudo sharing -r \"{}\"", self.config.share_name);
+        
+        Ok(())
+    }
+    
+    pub fn list_shares() -> Result<Vec<String>> {
+        let output = Command::new("sharing")
+            .arg("-l")
+            .output()?;
+        
+        let status = String::from_utf8_lossy(&output.stdout);
+        
+        if status.contains("No share point records") {
+            return Ok(vec![]);
+        }
+        
+        let shares: Vec<String> = status
+            .lines()
+            .filter(|line| line.contains("name:"))
+            .map(|line| {
+                line.split(":")
+                    .nth(1)
+                    .unwrap_or("")
+                    .trim()
+                    .to_string()
+            })
+            .collect();
+        
+        Ok(shares)
+    }
+    
+    pub fn status(&self) -> Result<serde_json::Value> {
+        let service_running = Self::check_smb_service()?;
+        let shares = Self::list_shares()?;
+        
+        Ok(serde_json::json!({
+            "service_running": service_running,
+            "share_name": self.config.share_name,
+            "path": self.config.path,
+            "existing_shares": shares,
+            "config": self.config,
+        }))
+    }
+}