What's New
Added
- Duplicate task ID validation (E004) — Sibling tasks sharing the same ID now emit an
E004error diagnostic, preventing undefined scheduling behavior - Gantt header date range label — Header now shows the actual date range (e.g. "Feb – Mar 2026") instead of only the start month; applies to both HTML and SVG renderers
- SVG critical path toggle —
SvgRenderernow supportshide_critical_path()for consistency with HTML, Mermaid, and PlantUML renderers
See CHANGELOG.md for full details.