v0.4.1

Fixes

• Align the sidebar header timer to the far right, without a separator before it.
• Keep the completed done in … label right-aligned too.
• Preserve the header divider, collapse behavior, and per-task timing.

Validation

• 43 tests passed, including timer-label regression coverage.
• Type checking and builds passed locally and in CI on Node.js 20 and 22.
• The npm-ready package tarball is attached.

PR: #2