Replaced `.split("\n")` with an iterative `indexOf("\n")` approach in `titleFromContent`. This avoids scanning the entire string and allocating a large array of strings when extracting the title, which is especially impactful for large documents.
Co-authored-by: Horizontal42 <75383519+Horizontal42@users.noreply.github.com>
Signed by a new key (public half embedded in tauri.conf.json, private
half + password live in GitHub secrets). CI now signs release artifacts
and publishes latest.json; the app checks on boot and prompts to
install and restart.
Write plain text, get live results per line. English + Russian, units,
live currency rates with crypto, percents, dates and timezones, bitwise
ops, variables and sheet totals. Tauri 2 + TypeScript engine +
CodeMirror 6; daily backups and a deleted-sheets bin.
Inspired by Numi for macOS (numi.app); built from scratch for Windows.
