feat(capability-matrix): strict cross-SDK parity score + coverage scope#63
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…tyReport - Add CORE_LANGUAGES constant and CoreLanguage type for the subset of language SDKs used in parity computation - Replace perFeature field in ParityReport with coverageScope: number - Expected: report.ts and generate-site.ts will fail typecheck until fixed in tasks 2 and 3
Task 1 removed perFeature from ParityReport per plan; Task 2's implementer re-added it (in both types.ts and report.ts) to make the whole-project typecheck pass early, which was never a Task 2 requirement — generate-site.ts still references parity.perFeature until Task 3 removes that column. Revert to the plan's exact shape; the remaining generate-site.ts typecheck failure is expected until Task 3.
… scope badge - Remove perFeature parity column from feature table - Add Coverage scope badge to header - Remove dead .th-parity and .parity-cell CSS rules - Reduce table colspan from LANGUAGES.length + 2 to LANGUAGES.length + 1
…anguage type Bare .parity-high/mid/low rules were unreachable after the per-feature column was removed — only the higher-specificity .sdk-score.* and .area-card-score.* combinators are ever matched. CoreLanguage was exported but never consumed anywhere.
QuintinWillison
approved these changes
Jul 15, 2026
… site Adds a hover tooltip on each badge plus a short note under them, so "58%"/"32%" don't read as mysterious numbers — states plainly that both are computed only across the 4 core SDKs and what counts as a pass.
…-visible Replace the hover-only badge tooltips with metric cards that show the description text directly under each value — no longer hidden behind a hover. Header restructured: title row on top, metrics row below it, then the SDK score cards.
partially_implemented was being treated as "done" for coverage scope via the shared isDone() helper (same as perLanguage's legacy semantics), but a partial implementation isn't really done — per review feedback on #63, a symbol-linked partial claim shouldn't score the same as a symbol-linked full one. perLanguage keeps its existing isDone-based behavior unchanged; only coverageScope now requires status === "implemented".
…mented Drops isDone() entirely — every metric (overall, perLanguage, coverageScope) now requires the exact "implemented" status. Per discussion on #63, partial credit conflated "claims something is done" with "actually done", which no longer applies anywhere in this pipeline.
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grdsdev
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Jul 16, 2026
The "Coverage scope" card said features "marked implemented/partial" but the underlying computeParity() logic only counts strictly `implemented` status, per the strict cross-SDK parity change in #63. Reword the text to match the actual logic instead of the logic. Also fix missing leading "%" to match the other metric card's style.
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Summary
Implements SDK-995 — compute and publish the first cross-SDK feature parity score.
overallif it's exactlyimplementedin every core SDK (javascript, flutter, python, swift).partially_implementedno longer earns credit toward this metric.perLanguagecompletion score (informational, unchanged).symbolslist, i.e. how much of what's marked complete has real code evidence attached.perFeaturefield removed entirely).aggregate-capabilities.yml+deploy-pages.ymlpipeline, so it goes live on supabase.github.io/sdk automatically.Design spec:
docs/superpowers/specs/2026-07-15-first-parity-score-design.md(local, gitignored — not in this diff).Verified locally
Built the site against live compliance data fetched from all 6 available SDK repos (Kotlin has no
sdk-compliance.yamlyet):.th-parity/.parity-cellin rendered HTML, both new/existing badges render correctly.Test plan
npm test— 182/182 passingnpm run typecheck— cleannpm run build-siteagainst real fetched compliance data, manually reviewed in browsergrep -rn "perFeature"— zero remaining references