Phase 2.7.3完成：文件上传功能实现

功能：
- Tauri dialog API集成（文件选择对话框）
- upload_file命令完整实现（文件复制 + 数据库注册）
- 上传按钮UI（带loading状态）
- 上传完成后自动刷新文件树

技术：
- 添加uuid依赖（UUID v4生成）
- Rust: std::fs文件复制 + rusqlite数据库注册
- Vue: @tauri-apps/api/dialog集成
- Vite: 修复dialog API外部化配置

状态：Phase 2完成100%

markbase-tauri/src-tauri/Cargo.lock

@@ -1993,6 +1993,7 @@ dependencies = [
  "tauri-build",
  "thiserror",
  "tokio",
+ "uuid",
 ]
 
 [[package]]

markbase-tauri/src-tauri/Cargo.toml

@@ -25,6 +25,7 @@ chrono = { version = "0.4", features = ["serde"] }
 anyhow = "1.0"
 thiserror = "1.0"
 rusqlite = { version = "0.30", features = ["bundled"] }
+uuid = { version = "1.0", features = ["v4"] }
 
 [features]
 custom-protocol = [ "tauri/custom-protocol" ]

markbase-tauri/src-tauri/src/commands/file_ops.rs

@@ -1,7 +1,5 @@
 use serde::{Deserialize, Serialize};
-use std::path::PathBuf;
-use tauri::State;
-use std::sync::Mutex;
+use std::path::{Path, PathBuf};
 use rusqlite::Connection;
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
@@ -116,10 +114,42 @@ pub async fn upload_file(
     target_path: String,
     tree_type: String,
 ) -> Result<FileUploadResult, String> {
+    use std::fs;
+    use uuid::Uuid;
+    
+    let demo_dir = "/Users/accusys/momentry/var/sftpgo/data/demo";
+    let target_file = PathBuf::from(demo_dir).join(&target_path);
+    
+    if !Path::new(&source_path).exists() {
+        return Err(format!("Source file not found: {}", source_path));
+    }
+    
+    fs::copy(&source_path, &target_file)
+        .map_err(|e| format!("Failed to copy file: {}", e))?;
+    
+    let db_path = PathBuf::from("data/users")
+        .join(format!("{}.sqlite", user_id));
+    
+    let conn = Connection::open(&db_path)
+        .map_err(|e| format!("Failed to open database: {}", e))?;
+    
+    let file_uuid = Uuid::new_v4().to_string();
+    let file_name = Path::new(&target_path)
+        .file_name()
+        .and_then(|n| n.to_str())
+        .unwrap_or("unknown")
+        .to_string();
+    
+    conn.execute(
+        "INSERT INTO file_registry (file_uuid, original_name, file_path, file_size, registered_at, last_seen_at, status)
+         VALUES (?1, ?2, ?3, ?4, datetime('now'), datetime('now'), 'active')",
+        rusqlite::params![&file_uuid, &file_name, target_file.to_string_lossy().to_string(), fs::metadata(&target_file).map(|m| m.len() as i64).unwrap_or(0)]
+    ).map_err(|e| format!("Failed to register file: {}", e))?;
+    
     Ok(FileUploadResult {
         success: true,
-        message: "File uploaded successfully".to_string(),
-        file_id: Some("file-001".to_string()),
+        message: format!("File uploaded to: {}", target_path),
+        file_id: Some(file_uuid),
     })
 }