[minor] Add ThemeProvider.Analysis palette audit tool#44
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A console tool that analyzes the ImGui palette each registered theme produces and writes a markdown report. Four checks with fixed WCAG-based gates: text/glyph contrast over every surface they render on, interaction- state distinctness (Oklab lightness), canonical fidelity (accent hue drift and chroma retention vs the source palette), and semantic coverage (meanings defined but unused, or required but missing). Exits non-zero when any theme fails a gate so it doubles as a regression check. Thresholds live in AnalysisThresholds; run with --theme to filter and --strict to fail on warnings too.
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Summary
A console tool that analyzes the ImGui palette each registered theme produces (via the real
ImGuiPaletteMapper) and writes a markdown report. It applies fixed, WCAG-based threshold gates and exits non-zero when any theme fails one, so it doubles as a regression check when new themes are added or the mapper changes.Checks
Text/TextDisabled/CheckMarkover every surface they render on. Gates: text 4.5:1 (AA), glyphs 3.0:1 (1.4.11), disabled text a soft invisibility floor.Button/FrameBghover/active states must differ perceptibly in Oklab lightness.Thresholds live in one
AnalysisThresholdsclass. Usage:What it currently reports
Running it over all 38 themes surfaces a systemic imbalance in the mapper (not a tool bug):
Textfails AA over thePrimary-colored surfaces (Button,Header,Tab,TitleBgActive) on every theme, and light-theme checkmarks fall well under 3:1. Hue is preserved perfectly and interaction states are distinct. A follow-up will rebalance the mapper; this tool is the gate that change will be verified against.🤖 Generated with Claude Code