User feedback: four separate admin cards (admin-users, admin-system,
admin-user-data + admin) bloated the scene-picker without adding value
— they're one logical power-user surface split four ways. Fuse them
into a single admin card with an internal tab switcher.
- lib/modules/admin/tabs/{Overview,Users,System,UserData}Tab.svelte —
each tab owns its own data + styles
- lib/modules/admin/ListView.svelte is now a tabbed container: one
role-guard, one pill-row, deep-linkable via `initialTab` prop
- /admin, /admin/users, /admin/system, /admin/user-data routes pass
the corresponding initialTab so direct URLs still land on the right
section
- Delete lib/modules/admin-{users,system,user-data}/ + three
registerApp entries
- Complexity stays a separate card (different shape — iframe-heavy,
was already its own card before this batch)
Smoketest: all 5 /admin/* routes respond 200; type-check clean.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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