feat: show context token usage (used / max) in statusline

docs: add statusline screenshot, replace ASCII preview

fix: make curl optional for git clone install, update Claude Code link

feat: support curl pipe install, auto-download script when run without local files

style: translate all comments to English, add curl one-liner install option, clarify jq prerequisite

docs: clarify prerequisites — only jq needs manual install

docs: fix persistent statusline description and macOS path note

docs: add MIT LICENSE file

docs: fix clone URL to use actual GitHub username

Initial release: Claude Code statusline with usage stats

Initial commit