MAKS-IT/maksit-lto-backup
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maksit-lto-backup/CHANGELOG.md
Maksym Sadovnychyy 9c5b839976 (feature): mvvm ui, appdata settings, and desktop packages
2026-09-06 15:33:46 +02:00

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

[0.1.0-alpha.2] - 2026-09-06

Still alpha versus 0.1.0-alpha.1. Emulator and build validated; physical Windows/Linux tape, changer, and Linux SMB staging are not hardware-proven yet. Not a production-ready line.

Added

  • Desktop packaging as sibling GitHub assets: Windows setup maksit-lto-backup-{version}.exe (Avalonia UI) and maksit-lto-backup-{version}.flatpak (Avalonia UI), alongside the portable maksit-lto-backup-{version}.zip (win-x64 console, Avalonia UI, and Worker). The installer and Flatpak are not packed inside the zip. On Windows the Flatpak bundle is built via WSL Debian.
  • Faceted LTO cartridge app icon (not the brand M).

Changed

  • Avalonia UI is MVVM (CommunityToolkit.Mvvm): operations, settings, monitor, and service controls live in MainViewModel; MainWindow is a thin view.
  • Configuration (console, UI, Worker) is written to %AppData%/MaksIT/LTO Backup/settings.json (WiX installFolderName). The shipped configuration.json next to the exe is seed-only.
  • Dark theme uses the MAKS.IT origami blues (#33A5CF / #006199).
  • Synced RepoUtils utils: ContainerRegistry JSON catalog (PascalCase Harbor / InCluster keys).

[0.1.0-alpha.1] - 2026-08-21

Alpha preview versus last published 0.0.2 (HEAD was console-only Windows on net8.0). Emulator and build validated; physical Windows/Linux tape, changer, and Linux SMB staging are not hardware-proven yet. Not a production-ready line.

Added

  • Avalonia UI (MaksIT.LTO.Backup.UI): cross-platform operations host (Monitor / Drive / Library / Backup / Settings / Service) on Windows and Linux — SimpleTheme Dark styles aligned with Cluster Console.
  • Shared library (MaksIT.LTO.Backup.Shared): configuration model, ConfigurationFileService, BackupOrchestrator, LibraryOrchestrator, scheduling helpers used by console, UI, and Worker.
  • Worker (MaksIT.LTO.Backup.Service): scheduled aggregations (ordered job waves) with UScheduler-shaped calendars and overdue catch-up; exclusive lease; automatic drive claim/unload; console backup --name / backup --aggregation [--scheduled].
  • Service registration: Windows SCM (sc.exe binPath= / start= spacing) and systemd (Type=notify + AddSystemd(), quoted ExecStart/WorkingDirectory, execute bit, unit removal on uninstall). Worker content root is the application base directory so SCM/systemd cwd does not hide configuration.json.
  • Device abstraction: ITapeDrive / ITapeLibrary with file-backed emulators (EmulatedTapeDrive, EmulatedTapeLibrary), WindowsTapeDrive adapter, and DeviceMode / Topology (StandaloneDrive | TapeLibrary).
  • Linux physical backends: LinuxTapeDrive (/dev/nst* + MTIOCTOP/SG_IO MAM) and LinuxTapeLibrary (/dev/sg* + SCSI medium changer).
  • Windows physical changer: WindowsTapeLibrary via IOCTL_CHANGER_* (inventory, initialize, move) — 0.0.2 had drive IOCTLs only.
  • Shared SCSI/MAM helpers: MamAttributeCodec, ScsiMediumChanger; neutral TapePosition.
  • Cross-platform SMB: RemotePathAccess — WNet on Windows (replaces in-repo NetworkConnection), SMBLibrary staging on Linux (new).
  • SchemaVersion 2 on-tape layout: BOT index (MLTI), payload, filemark, descriptor preamble (MLTD), length-prefixed AES-GCM descriptor, double filemark; Overwrite or Append; SHA-256 file hashes (0.0.2 used a simpler CRC32 descriptor layout).
  • Emulator tests (MaksIT.LTO.Tests): unit / E2E / scheduling coverage without physical tape; xunit.v3 4.0 + Microsoft Testing Platform (global.json test.runner, TestingPlatformDotnetTestSupport) and coverlet.MTP.
  • RepoUtils under utils/ (community test / release engines). README coverage badges are rewritten by the CoverageBadges plugin (badgeFormat: shields) when utils\Invoke-TestEngine.bat runs.
  • Maintainer-local agent wiring (AGENTS.md, .cursor/maksit-skills.json) and this changelog.

Changed

  • Target .NET 10 (net10.0); solution file src/MaksIT.LTO.slnx (was MaksIT.LTO.Backup.sln + net8.0).
  • Console host thinned to Shared orchestrators; configuration lives in Shared (configuration.json). Console, UI, and Worker load it from the application base directory.
  • Crypto / hashing / logging / Windows SMB move onto MaksIT.Core (+ local FileHashUtility); in-repo AESGCMUtility, ChecksumUtility/Crc32, FileLogger*, and NetworkConnection removed.
  • Publish path: RepoUtils release packaging instead of dotnet_build_script.*. Host version comes from root Directory.Build.props only.

Removed

  • Legacy MaksIT.LTO.Backup.sln, console-local Configuration / Entities, and src/dotnet_build_script.*.
  • WPF-classic Avalonia light theme (WpfClassic.axaml); unused WindowsVersions constants; console secret.txt copy that was never in-repo; Community-only utils/templates/ and obsolete Update-RepoUtils docs.

[0.0.2] - 2024-11-03

Added

  • Console LTO backup/restore toolkit (local and SMB paths).
  • AES-GCM encrypted descriptors, checksum verification, cartridge EEPROM (MAM) read/write.
  • Dependency injection, console and file logging.
  • Build scripts and contributor docs (README.md, CONTRIBUTING.md, LICENSE.md).