v1.0.0

Initial release of groundwork-statusline.

3-line statusline for Claude Code displaying:

• Model name, effort level, bells-and-whistles mute indicator
• Context window bar chart with token usage, session/weekly utilization %
• Current directory, git repo:branch, PR number, groundwork project

Includes /groundwork-statusline:install and /groundwork-statusline:uninstall commands.