Implement User Management UI (Phase 11 P0 #1)

User Management Features:
- Users.vue: Complete user CRUD interface
- Tauri commands: 5 auth user endpoints
- REST API: DataProvider trait extensions

UI Components:
- User list table (username, home_dir, status)
- Create user dialog (username, password, home_dir, status)
- Edit user dialog (password optional, home_dir, status)
- Delete user confirmation
- Reset password prompt

Tauri Commands (renamed to avoid conflict):
- list_auth_users: List all users from auth database
- create_auth_user: Create user with bcrypt password
- update_auth_user: Update user (optional password)
- delete_auth_user: Delete user
- reset_auth_password: Reset password

DataProvider Trait Extensions:
- list_users(): List all users
- create_user(): Create user with password
- update_user(): Update user (optional password)
- delete_user(): Delete user
- reset_password(): Reset password

Implementations:
- SqliteProvider: Full implementation (sftpgo_users table)
- PgProvider: Full implementation (users table)

Router:
- Added /users route

Home.vue:
- Added User Management card

Build: ✅ Tauri + markbase-core
Tests: 495 markbase-core + 201 smb-server

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

@@ -6,6 +6,7 @@ pub mod management;
 pub mod health;
 pub mod monitor;
 pub mod backup;
+pub mod user_management;
 
 pub use file_ops::*;
 pub use install::*;
@@ -14,4 +15,5 @@ pub use diagnostic::*;
 pub use management::*;
 pub use health::*;
 pub use monitor::*;
-pub use backup::*;
+pub use backup::*;
+pub use user_management::*;