7c553586e9
Why: 2026-05-10 user report — the food-app "Featured" block landed
with a black background on a cream page. The wrapper had role='card'
AND held 3 restaurant cards each with role='card'. The existing
strip-redundant-section-fills pass treats role='card' as PROTECTED
(cards legitimately own their fills) so the black hedge fill survived.
Visible result: a giant black band between Categories and Popular Near
You that doesn't fit the cream page bg — exactly the "莫名其妙的背景颜色"
issue the user called out.
Root cause: the existing wrapper detection (hasNestedFilledComponent)
only fires for ATOMIC roles (search-bar / button / input / badge /
chip / tag / pill). Container-role wrappers around same-role children
were never matched, so a card-of-cards misroll kept its fill.
What: new hasMultipleSameRoleChildren predicate. Treats a frame as a
section-level wrapper (eligible for safe-dark / safe-light fill
stripping) when ALL of:
- frame role is in CONTAINER_PROTECTED_ROLES (card / banner /
pricing-card / feature-card / image-card / testimonial /
metric-card / gallery-item / phone-mockup)
- frame has ≥ 2 children with the SAME role
- existing safe-hex / root-match check still applies
Net effect: the Featured wrapper's #000000 fill is now stripped, the
section inherits the cream page bg as intended, and the 3 inner
restaurant cards keep their own white surface fills (each was
role='card' but only 1 child of the same role per card, so the
predicate is silent on them).
3 new it() cases pin: Featured-block misroll (3 cards inside) gets
stripped, single-same-role-child stays untouched, banner-wrapping-
banners pattern also strips. 25 / 25 strip tests pass (was 22; +3).
1438 / 1438 pen-core tests pass overall.
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| agent-native@e1f90cab96 | ||
| pen-acp | ||
| pen-ai-skills | ||
| pen-core | ||
| pen-engine | ||
| pen-figma | ||
| pen-mcp | ||
| pen-react | ||
| pen-renderer | ||
| pen-sdk | ||
| pen-types | ||
| CLAUDE.md | ||