refactor(ui): shared profile UI infra (style cache, appearance overrides, StrictMode fix)

[alexcarpenter]

Stack 2/7. Behavior-preserving @clerk/ui infra the composed layer builds on:

• Emotion style-cache sharing (createEmotionCache, StyleCacheProvider, styleCacheStore)
• AppearanceOverrides element
• Animated StrictMode double-invoke fix
• ProfilePageSection → ProfilePagePanel rename (internal to elements/ProfileCard)

Why styleCacheStore (WeakMap): invariant = one cl-internal emotion cache per clerk instance (two live caches, same key → dup style inserts + broken emotion dedup/ordering). AIO gets it free from its single portal tree. Composed mounts N sibling React roots (UserProfile + OrganizationProfile) per instance, so it keys the cache on the clerk instance → siblings reuse one cache instead of each making its own. Same createEmotionCache factory both paths; store is just the sharing channel.

No new public API. Note: if the Animated StrictMode fix should ship standalone, promote to a @clerk/ui patch.

Changesets live only on the release PR #9144; this PR carries none.

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Stack

Reviewed as a stack. The 7 PRs merge bottom-up into release branch #9144, which integrates into main as a single unit.

#	PR	Layer
–	#9144	release → main (integration)
1	#9130	moduleManager getter across build boundary
2	#9131 👈	shared profile UI infra
3	#9132	extract Section components from profile pages
4	#9133	composed shell + providers infra
5	#9134	composed UserProfile
6	#9135	composed OrganizationProfile
7	#9136	expose @clerk/ui/experimental (public API)

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Project	Deployment	Actions	Updated (UTC)
clerk-js-sandbox	Ready	Preview, Comment	Jul 15, 2026 8:28pm
swingset	Ready	Preview, Comment	Jul 15, 2026 8:28pm

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