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Strip experiments (5 types × 3 fixtures): - layout-direction-spacing: ΔV=+3.3% (pixel), +7% (responsive 1920px) - component-references: ΔV≈0, CSS classes -12, code +3KB - style-references: ΔV≈0, CSS classes -5, code +2.8KB - variable-references: ΔV≈0, minor input savings - node-names-hierarchy: ΔV≈0, minor Condition experiments: - size-constraints @1920px: ΔV=+7% (significant for responsive) - hover-interaction: 0 :hover rules without data (cannot implement) Fixes applied during experiment: - exportScale detection for @2x screenshots - Fixture rebuild with getImageFills (no text overlay) - recompare.ts for local re-rendering without API calls Total cost: $10.55 (30 API calls) Wiki: Experiment-05-ablation-phase1 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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…eriment data Categories changed from intuition-based (structure/token/component/naming/behavior) to experiment-based (pixel-critical/responsive-critical/code-quality/token-management/minor). Removed 10 low-impact rules, merged 6 rules into 2 (raw-value, irregular-spacing). Scores recalibrated using Phase 1+2 ablation results (PR #149, #150). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This was referenced Mar 28, 2026
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#154) * refactor: reorganize rule categories and scores based on ablation experiment data Categories changed from intuition-based (structure/token/component/naming/behavior) to experiment-based (pixel-critical/responsive-critical/code-quality/token-management/minor). Removed 10 low-impact rules, merged 6 rules into 2 (raw-value, irregular-spacing). Scores recalibrated using Phase 1+2 ablation results (PR #149, #150). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix: address CodeRabbit review — missing category, score, duplication - Add missing responsive-critical to orchestrator + report-generator tests - Restore missing-component score to -7 (CLAUDE.md guideline) - Fix raw-value font check: flag partial tokenization (fontFamily OR fontSize) - Reuse CATEGORY_LABELS in getCategoryLabel (remove duplication) - Align example config with baseline defaults Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat: add subType to RuleViolation and centralize rule messages - Add optional subType field to RuleViolation for programmatic grouping (e.g., raw-value has color/font/shadow/opacity/spacing sub-types) - Create rule-messages.ts with all message template functions - Replace inline message strings in all 15 rules with centralized constants - Include subType in JSON output (buildResultJson) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat: remove missing-responsive-behavior (duplicate of no-auto-layout), add subType to default-name and irregular-spacing - Remove missing-responsive-behavior rule (15→14 rules) — duplicates no-auto-layout - Add subType to default-name: frame/group/vector/shape/text/image/component/instance - Add subType to irregular-spacing: padding/gap - Separate vector from shape in default-name subType for granular control Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * refactor: rename group-usage → non-layout-container, add Section detection - Rename rule: group-usage → non-layout-container (broader scope) - Add Section detection: Sections used as layout containers are flagged - SubTypes: group (blocking, -8) and section (same score, flagged only with children) - Remove missing-responsive-behavior (duplicate of no-auto-layout) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat: add subType to missing-size-constraint (max-width/min-width/wrap/grid) Messages pre-defined for all 4 sub-types. Currently only max-width is detected — min-width, wrap, and grid conditions to be implemented in #152. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix: address CodeRabbit review round 2 - Add subType regression test in buildResultJson - Use CATEGORIES import in report-generator.test.ts (prevent taxonomy drift) - Legacy config deprecation → #156 (separate issue) - raw-value single-violation-per-node → by design (RuleCheckFn contract) - SECTION detection condition kept as-is (semantic misuse = valid flag) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * test: add empty-string subType edge case test Verifies that falsy subType (empty string) is omitted from JSON output, matching the conditional spread guard in buildResultJson. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix: reject unknown rule IDs in config-loader Config files with invalid rule IDs now throw with a clear error message listing the unknown IDs and all valid options. No legacy alias mapping needed — no existing users to support. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix: address CodeRabbit review round 3+4 - Guard indexed array access with length assertion (noUncheckedIndexedAccess) - Strengthen unknown rule ID test to assert both error and valid IDs list Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This was referenced Mar 29, 2026
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Ablation Phase 1 Results
Full experiment data for Experiment 05 on the wiki.
Key findings
Included
Total cost: $10.55 (30 API calls)
🤖 Generated with Claude Code