# Changelog

## [1.3.0] - 2026-02-23

### Added
- **TOTP / 2FA tab** — Google Authenticator compatible codes with live 30-second countdown
  - Per-server TOTP secret storage (encrypted alongside passwords)
  - One-click code copy to clipboard
  - Color-coded countdown (green → yellow → red)
  - Generate random secrets or paste existing ones
  - TOTP secret field in server add/edit dialog
- `core/totp.py` — TOTP module (pyotp, RFC 6238)
- `core/logger.py` — rotating file logger (5 MB, 3 backups)
- `pyotp` dependency in requirements.txt

### Changed
- **Encryption**: new stronger Fernet key with automatic migration from old key
- **Server store**: thread-safe file writes with locks, atomic saves (tmp + rename), auto-restore from backup on corruption
- **Status checker**: parallel server checks via ThreadPoolExecutor (up to 10 concurrent)
- **SSH client**: explicit channel cleanup in finally blocks, Unix key permissions (0o600)
- **Server dialog**: port range validation (1-65535), TOTP secret field
- `version.py` → 1.3.0

## [1.2.0] - 2026-02-23

### Added
- About dialog (ⓘ button in header bar) with app info, features, and quick start guide
- GUI localization: English, Russian (Русский), Chinese (中文)
- Language switcher in header bar with persistent selection
- `core/i18n.py` — internationalization module with full translation dictionaries
- `gui/about_dialog.py` — CTkToplevel About window

### Changed
- All GUI components use `t()` translation function for all user-visible strings
- `server_store.py` saves/loads language preference in settings.json
- `version.py` → 1.2.0
- Tabs, sidebar, dialogs, and all tab contents fully translated

## [1.1.0] - 2026-02-23

### Added
- Fernet encryption for servers.json (passwords no longer stored in plaintext)
- Automatic migration: first launch encrypts existing servers.json, creates pre-encryption backup
- Manual and automatic backups (auto-backup every 10 min on save)
- Backup restore from GUI (Setup tab → Configuration section)
- Configurable config path (change servers.json location via GUI)
- Settings persistence in settings.json
- Encryption module installed alongside ssh.py for CLI support
- `cryptography` dependency

### Changed
- server_store.py: encrypted read/write, settings management, backup logic
- ssh.py: encryption-aware load/save with fallback for missing encryption module
- claude_setup.py: installs encryption.py alongside ssh.py
- setup_tab.py: Configuration section with path selector, backup/restore controls, encryption status

## [1.0.0] - 2026-02-23

### Added
- Server CRUD (SSH, Telnet, RDP, MariaDB, MSSQL, PostgreSQL)
- SSH Terminal with auto-sudo
- SFTP file transfer with progress bar
- SSH key management (generate, install, copy)
- Background status monitoring (online/offline)
- Dark theme (CustomTkinter)
- Search and filter servers
- Build scripts for Windows, Linux, macOS