chore: changelog

Author: nmbr7

CHANGELOG.md

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+# Changelog
+
+## v0.1.0 — Initial Release
+
+### Hex Viewer
+- Interactive TUI hex viewer built with ratatui + crossterm
+- Color-coded byte display by category (null, whitespace, printable ASCII, 0xFF, other)
+- Configurable layout: 16 or 32 bytes per row (`w`), resizable decode panel (`[` / `]`)
+- Mouse scroll support in hex view, decode panel, and stats panel
+- Goto offset by hex (`0x...`) or decimal (`g`)
+- Page Up/Down, Home/End, Shift+Up/Down for fast navigation
+
+### Selection
+- Modal visual selection: press `v` to anchor, arrows to extend, `v` to confirm, `Esc` to cancel
+- Byte-level and bit-level selection modes (`b` to toggle)
+- Endianness toggle between little-endian and big-endian (`e`)
+
+### Built-in Decoders
+- Raw formats: hex, binary, octal
+- Integers: u8/i8, u16/i16, u32/i32, u64/i64 (endian-aware)
+- Floats: f32, f64 (endian-aware)
+- Unix timestamps (32-bit and 64-bit)
+- Strings: ASCII and UTF-8
+- Selection metadata: byte length, entropy, compressibility, sparsity, unique byte count
+
+### Decode Panel
+- Auto-updating decode panel showing all interpretations for the current selection
+- Color-coded range highlighting: decoder fields are color-mapped in both the decode panel and hex view
+- Focus cycling with Tab/Shift-Tab to highlight individual decoded fields with bracket markers
+
+### Stats Panel
+- Toggleable stats panel (`s`) with per-field entropy, compressibility, null count, and unique byte count
+- Scrollable with `{` / `}` and mouse wheel
+
+### Plugin System — Lua
+- Load `.lua` decoder scripts from `~/.config/turbohex/decoders/`
+- Sandboxed Lua runtime (table/string/utf8/math only — no filesystem or OS access)
+- ABI: `decode(bytes_table, endian_string, params_table)` returns `{{label, value, offset?, length?}}`
+- Optional `params()` export for configurable parameters
+- Example decoder auto-generated on first run
+
+### Plugin System — WASM
+- Load `.wasm` decoder modules from `~/.config/turbohex/decoders/`
+- No WASI required — pure computation modules
+- ABI: exports `alloc(i32)->i32` and `decode(ptr, len, endian)->i32` returning NUL-terminated JSON
+- Optional `params()` and `decode_with_params()` exports for configurable parameters
+- Fuel-limited execution (10M instructions) to prevent runaway modules
+- Includes Rust and C example decoder projects
+
+### Decoder Settings
+- Interactive decoder settings UI (`d`) to enable/disable individual decoders
+- Per-decoder parameter editing with type validation (string, int, bool, choice)
+
+### Developer Experience
+- `turbohex --skills` prints an LLM-friendly decoder development guide
+- Large file support via memory-mapped I/O (files >= 1MB)
+- MIT licensed