- StreamLanguage tokenizer for Mermaid: diagram-type keywords, general
keywords, directions, arrows/links, strings, %% comments, init
directives and YAML frontmatter, with a dark-theme HighlightStyle
- live linter via mermaid.parse: maps parse errors to the right editor
line (accounting for the frontmatter lines mermaid strips), with wavy
underline, gutter marker and message tooltip
- autocomplete: Mermaid keyword/type/direction options plus starter
diagram snippets offered on the first line; bracket closing
- dark-themed completion + diagnostic tooltips
Adds @codemirror/lint, @codemirror/autocomplete and @lezer/highlight.
- CodeMirror 6 editor with a debounced Mermaid 11 preview (zoom, pan,
auto fit-to-view and inline error reporting)
- project start screen with recent projects, sidebar diagram explorer,
toolbar and a Git panel (status, commit, history, branches)
- SVG/PNG export, per-project theme switching, toasts
- rune-based central store orchestrating all backend calls
- view modes (Code / Split / Preview) plus a viewer mode with a
slide-in quick-edit drawer (Cmd/Ctrl+E)
- sqlx/SQLite registry of known projects + user settings (db.rs)
- project create/open with mermix.toml config and slugged paths (project.rs)
- diagram CRUD on .mmd files with frontmatter titles and path-traversal
guards (diagram.rs)
- git2-backed versioning: commit-all, history, branches, checkout,
working-tree status (git_ops.rs)
- Tauri command surface, shared state and unified error type
- headless tests covering project creation, diagram CRUD and branch
isolation (tests.rs)
Standard Tauri layout with a Svelte 5 + TypeScript + Vite frontend and a
Rust backend in src-tauri. Adds build tooling, app/window config,
capabilities, generated icons and the project README.
