begin new custom chart implementation for js ui

go/cmd/kjol-web/app/components.go

@@ -1188,12 +1188,12 @@ func chartsSection() func() *VNode {
 				),
 			),
 
-			note("webui.ReactiveChart is a stub, and says so",
-				"The Solid kit's Chart wraps chart.js: it creates a Chart against a <canvas> 2D context "+
-					"on mount and pushes new data through an effect. None of that — canvas drawing, a JS "+
-					"charting library, mount lifecycles — exists in the neutral Go runtime, so the Go port "+
-					"keeps the props shape for parity and renders an empty canvas. Draw with go-chart "+
-					"instead, as above. Pretending otherwise would be the one thing this site refuses to do."),
+			note("webui.Chart is a stub, and says so",
+				"The Solid kit's Chart draws its own SVG — nice-scale axes, rounded columns, arc slices, "+
+					"a pointer-driven crosshair — with no charting library at all. That geometry has not "+
+					"been ported to the neutral Go runtime yet, so the Go port keeps the props shape for "+
+					"parity and renders only its box. This example draws with go-chart "+
+					"instead, as above. Pretending the port drew charts would be the one thing this site refuses to do."),
 		)
 	}
 }