v1.3.15

   🚀 Features

• blocks:
  • Wrap SparklinePlugin output in [data-sparkline-plugin]  -  by @jerrythomas in #147 (90d43)
  • SparklinePlugin optional title → labelled card  -  by @jerrythomas (0103a)
• chart:
  • Baseline-anchored area fill for Sparkline (negative-fill) + above/below theming hooks  -  by @jerrythomas in #148 (f79ca)
  • Plumb axisOrigin/axisOffset through the shared coordinate layer for multi-quadrant charts  -  by @jerrythomas in #150 (3fbf7)
• learn:
  • Sparkline demo settings→props mapping + tests  -  by @jerrythomas in #147 (5860f)
  • Sparkline demo store  -  by @jerrythomas in #147 (778dd)
  • SparklineExplorer canvas  -  by @jerrythomas in #147 (b2b77)
  • SparklineControls tweak-drawer panel  -  by @jerrythomas in #147 (a1002)
  • SparklineConversation chat-left panel  -  by @jerrythomas in #147 (17228)
  • Sparkline demo index + docs + meta  -  by @jerrythomas in #147 (aadb3)
  • Register /app/sparkline demo + move sparkline keywords  -  by @jerrythomas in #147 (4a290)
  • Wire /app/sparkline into the Koan shell  -  by @jerrythomas in #147 (476ca)
  • Live sparkline gallery in the Charts guide  -  by @jerrythomas in #147 (4f741)
  • Expand Charts guide with live sparkline + chart galleries + e2e  -  by @jerrythomas (9f38c)
  • FacetPlot + AnimatedPlot exploration types in the chart demo  -  by @jerrythomas (3c7f6)
  • Charts guide gallery — titled sparkline cards, consistent charts, facet/animated  -  by @jerrythomas (08e6e)
  • Quadrant explorer type + 4-quadrant scatter in the Charts guide  -  by @jerrythomas in #150 (169f1)

   🐞 Bug Fixes

• chart: Make AnimatedPlot SSR-safe (guard cancelAnimationFrame in onDestroy)  -  by @jerrythomas (26001)
• learn: Reset guides reading-pane scroll on page switch  -  by @jerrythomas (3cfc5)

    View changes on GitHub