Git-tracked editor preferences read at boot and toggled live on-device:
- Prefs type (line-based TOML parse/serialize, no crate on xtensa) held on
Editor; firmware reads /sd/repo/.typoena.toml before the first render and
falls back to per-key defaults. Keys: save_on_idle, format_on_save,
line_numbers (bool) + auto_sync (string, schema/default only until v0.7).
- line_numbers applied live (gutter_cols -> 0 when off).
- Palette > command mode toggles the three bools; the list stays open so
several flip in one visit, and :settings opens it directly. Each toggle
applies live and queues Effect::SavePrefs (host atomic-writes the file,
which rides the next :sync).
- save_on_idle honoured host-side as a silent, unformatted idle auto-save.
- to_toml is newline-free; save_path now appends exactly one terminator
unconditionally so buffers round-trip byte-for-byte (trailing blanks kept).
- Firmware 0.4.0 -> 0.5.0; new docs/typoena-toml.md reference. Also refreshes
the slice-3 macroplan status (delete fix was confirmed on device).
The design record for Typoena — the decisions, specs, and bench write-ups
behind the writing appliance. Start with the ADRs for the
load-bearing choices, or the v0.1 specs for what the
first release actually does.
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