phase 16 implementation

2026-06-25 20:08:39 -04:00
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+# Phase 15 Visual Regression Report
+
+**Date:** 2026-06-25  
+**Status:** Blocked
+
+## Summary
+
+No approved PNG baselines exist. Phase 15 corrected snapshot determinism but did not generate or approve product images.
+
+## Executed evidence
+
+- Snapshot suites now use canonical Chromium scope.
+- Component-system test now writes the actual theme storage key.
+
+## Unexecuted or blocked evidence
+
+- Baseline generation in pinned Chromium.
+- Manual diff classification for locales, themes, viewports, interaction states, focus, reduced motion, forced colors.
+
+## Release disposition
+
+Updating baselines is prohibited until the application executes and reviewers inspect every diff.