v0.2.2

Summary

• Clarifies Linux font guidance around emoji rendering.
• Linux now prefers monochrome Noto Emoji for stable PDF layout.
• Noto Color Emoji is documented as a fallback because PDFium output can render color emoji too small or misaligned.
• doctor no longer recommends Microsoft YaHei or Segoe UI Emoji as Linux runtime dependencies.

Verification

• Local: py -m pytest tests\ -q passed.
• PR CI: Python 3.10, 3.11, 3.12, 3.13, 3.14 and package check passed.