59f25dac82
chart_line: polyline through N data points (normalized to max), optional dots at each vertex. Emits a `path` node with computed SVG `d`="M x y L x y …" + N `ellipse` dots. fit_content width = values × point_spacing. chart_pie: N colored slices via ellipse `startAngle`/`sweepAngle` arc support. NOT the "stacked full ellipses" anti-pattern — each slice has a UNIQUE sweep range (sums to 360°). Supports donut cut- out via `inner_radius_ratio`. Default 6-color palette rotates. All-zero input throws (degenerate chart can't be drawn). Wired across all three paths + elements.md decision-tree entries + keyword map + examples. Both use layout=none (absolute positioning for vertices / slices stacked at origin). Tests: - pen-mcp: 8 cases chart_line + 8 cases chart_pie (height math, clamp bounds, custom colors, donut, error paths, id uniqueness) - Parametric coverage auto-extended (+2 cases each in 9 files) - Total delta: 2979 → 3027 passing (+48). Closes #45 + #46; covers part of #50 (charts entries). |
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