Update logo, app icon, fix shutdown crash, add README

- Simplified logo: cosmic latte cup on brown background with turquoise
  liquid and sparkle stars
- Square app icon (.icns) for macOS dock
- Fix crash on window close: guard all IPC sends against destroyed window
- Include ws/chokidar/diff-match-patch in packaged app
- Add README with features and install instructions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

1 files changed, 50 insertions, 0 deletions

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+# LatteX
+
+<p align="center">
+  <img src="resources/logo.svg" width="128" height="128" alt="LatteX logo">
+</p>
+
+<p align="center">
+  LaTeX editor with real-time Overleaf sync, themed in Cosmic Latte.
+</p>
+
+## Features
+
+- **Real-time Overleaf sync** — WebSocket-based OT collaboration, live co-editing
+- **Bidirectional file sync** — edit `.tex` files on disk (e.g. with Claude Code in the integrated terminal) and changes sync to Overleaf automatically
+- **Local LaTeX compilation** — compile PDFs locally with `latexmk`, no Overleaf compile limits
+- **PDF viewer** — built-in viewer with SyncTeX forward/inverse search, pinch-to-zoom
+- **LaTeX autocomplete** — commands, environments, `\ref`, `\cite`, file paths
+- **Comments & review** — inline comment highlights with review panel
+- **Collaborator cursors** — see other editors' positions in real-time
+- **Project chat** — real-time chat panel
+- **Integrated terminal** — built-in terminal for CLI tools
+
+## Install
+
+Download the latest `.dmg` from [Releases](https://github.com/YurenHao0426/lattex/releases).
+
+> **Note:** This is an unsigned build. On first launch, right-click → Open, or allow it in System Settings → Privacy & Security.
+
+### Requirements
+
+- macOS (Apple Silicon)
+- [TeX Live](https://www.tug.org/texlive/) or [MacTeX](https://www.tug.org/mactex/) for local compilation
+
+## Development
+
+```bash
+npm install
+npm run dev
+```
+
+### Build
+
+```bash
+npm run build
+npx electron-builder --mac dmg
+```
+
+## License
+
+[AGPL-3.0](LICENSE)