feat(ui): add OrganizationProfileProfileSection

[alexcarpenter]

Description

Mosaic OrganizationProfile: name/slug edit section (machine + controller + view + wrapper), wired into General Panel.

• Two machines, one controller: details (name/slug, commits on submit) + logo (avatar, commits on file pick).
• No useEffect sync. Committed-vs-draft: org values injected read-only each render (committed*); edits held machine-owned (draft*, null=untouched); effective = draft ?? committed. Seeds late-loading org + refreshes post-save, never clobbers typing.
• Details machine models modal lifecycle (closed/editing/saving + OPEN/CANCEL), mirroring delete section. Modal open driven by state; closes on save success, no effect.
• View: "Edit profile" button → Dialog w/ Name + Slug (slug hidden when organizationSettings.slug.disabled) + Save/Cancel.
• Gated on org:sys_profile:manage.
• Panel view gains profile slot at top (profile → leave → delete, matching legacy order).
• Swingset: story + MDX + registry + docModules wiring; added to General Panel story/composition.

Internal-only under /experimental Mosaic; no public API change.

Checklist

• pnpm test runs as expected.
• pnpm build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

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Latest commit: 76c5710

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Project	Deployment	Actions	Updated (UTC)
clerk-js-sandbox	Ready	Preview, Comment	Jul 2, 2026 2:35pm
swingset	Ready	Preview, Comment	Jul 2, 2026 2:35pm

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