v0.5.0

• test(e2e): drive the palette through a real pty
• refactor: fuzzy lists own their ranking, one pass per edit
• feat: ctrl+k fuzzy command palette, fzf-style branch and comment pickers
• docs: drop the stale PLAN.md, sweep remaining em dashes
• docs: link compared projects, drop em dashes, document the review prompt

Full changelog: v0.4.2...v0.5.0