{
  "context": "Evaluates how well the solution uses Chalk's truecolor and 256-color helpers to render swatches and gradients from hex, RGB, and palette-indexed inputs per the specification. Checks reward correct reliance on Chalk's foreground and background color APIs rather than manual ANSI handling.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "RGB helpers",
      "description": "RGB tuple inputs are styled using Chalk's truecolor helpers (`chalk.rgb` for text and `chalk.bgRgb` for swatch blocks) instead of manual ANSI escape codes.",
      "max_score": 25
    },
    {
      "name": "Hex helpers",
      "description": "Hex string inputs flow through `chalk.hex`/`chalk.bgHex` (or equivalent Chalk instance methods) for both label and background coloring where required by the spec.",
      "max_score": 20
    },
    {
      "name": "ANSI256 handling",
      "description": "Numeric palette inputs rely on `chalk.ansi256` and `chalk.bgAnsi256` (or stderr-bound variants) with no custom ANSI codes; gradient endpoints provided as 0–255 indices are converted through these helpers before interpolation.",
      "max_score": 20
    },
    {
      "name": "Gradient coloring",
      "description": "Gradient steps apply per-step foreground styling via Chalk's truecolor helpers (rgb/hex/ansi256 as appropriate) so each segment reflects blended colors rather than unstyled text.",
      "max_score": 20
    },
    {
      "name": "Background consistency",
      "description": "Background blocks retain Chalk background styling (`bgRgb`/`bgHex`/`bgAnsi256`) across the requested width and lines without unintended resets mid-swatch or mid-gradient.",
      "max_score": 15
    }
  ]
}