feat(mosaic): flat user profile story, single-card active devices, password header

[maxyinger]

Description

Stacked on #9911.

Just documenting another option here.

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:

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated
swingset	Ready	Preview	Sep 24, 2026 7:47pm UTC

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Latest commit: 966efc3

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