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CHANGELOG.md

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+# Changelog
+
+All notable changes to NotAlterra are documented in this file.
+
+---
+
+## [v0.1.0] — 2026-05-31
+
+### Added
+- Cross-platform terminal UI (ratatui + crossterm) with keyboard-driven menus, pickers, popups, and status bar
+- GVAS save-file binary parser: extracts SlotName, DisplayName, bIsMultiplayerSave, GameMode, LevelName, BuildNumber, and more
+- **Save-folder discovery** with Windows fast-path (`%LOCALAPPDATA%`) and Linux Proton/Steam Deck paths
+- **.bak to .sav recovery** with filename-derived slot grouping, `.sav.old` rollback, and size sanity checks
+- **Full backup / restore** (only `savegame_*` files) with pre-restore snapshots and verification
+- **UE5 Config (.ini) management** — backup, restore, and guarded delete
+- **Save inspector** with full GVAS metadata displayed in a color-coded popup
+- **Slot grouping** in the recovery picker — first entry per slot gets a numbered label, subsequent entries blank
+- **Online / Local detection** via `bIsMultiplayerSave` BoolProperty
+- **Mode-change warning** (Online ↔ Local) and **name-change warning** on recovery
+- **Game-running guard** — exits or warns if Subnautica 2 is active
+- **Transaction log** (`transaction.log`) with `MANUAL_BAK`, `AUTO_BAK`, `RESTORE`, `RECOVER`, `CONFIG_BAK`, `CONFIG_RESTORE`, `CONFIG_DEL`, and `LICENSE` actions
+- **Disclaimer popup** with Accept / Decline buttons — Esc returns to menu without revoking
+- **OK dialogs** for backup results, no-backup warnings, and ini action outcomes
+- **Confirmation popups** with `[ Yes ]` / `[ No ]` buttons and detailed metadata comparison
+- **No-backup guard** — warns if `NotAlterra_Backups` is empty before destructive actions
+- **Empty directory cleanup** — failed backup directories are removed
+- **Auto-size popups** — GVAS inspector and OK dialogs scale to fit content
+- **Terminal resize** — main loop and all sub-loops respond to terminal size changes
+- **Arrow-key debounce** — `KeyRelease` events are filtered; no double-stepping
+- **Elapsed timer** during save-folder scan with background threading
+- **Release build script** (`build.sh`) producing `notalterra-v{version}-linux-amd64.tar.gz` and `notalterra-v{version}-windows-amd64.zip`
+- `--version` / `-v` CLI flag
+- MIT License and README with build, usage, and unpack instructions
+
+### Changed
+- Ported from Windows PowerShell (`pleasework.ps1`) and Python (`extract_save_name.py`) to Rust
+- Slot grouping uses filename-derived slot (`savegame_N`) instead of internal GVAS `SlotName`
+- `.bak` copy target uses canonical `savegame_N.sav`, not versioned `savegame_N_M.sav`
+- Full backups now only copy `savegame_*` files — no other SaveGames fluff
+- Version number reads from `Cargo.toml` at compile time
+
+### Fixed
+- Arrow-key navigation no longer overshoots — `KeyEventKind::Release` events filtered
+- GVAS metadata popup renders all 11 fields (was clipped to 2 because of `Paragraph::new(Span)`)
+- Header path now shows tail of path (e.g. `…\Subnautica2\Saved\SaveGames`) instead of truncated prefix
+- Confirmation popup always appears — hard `require_backup` block replaced with soft warning
+
+### Security
+- Game-running detection at launch and before each destructive operation
+- `.ini` delete guarded by requiring at least one `ini_backup_*` directory