feat(107): implement Workspace Chooser v1 — all 40 tasks complete
Spec 107: Workspace Chooser v1 (Enterprise) + In-App Switch Entry Point
## Core changes
- Refactor EnsureWorkspaceSelected middleware: 7-step algorithm with
auto-resume (single membership + last_workspace_id), stale session
detection, ?choose=1 forced chooser, workspace-optional path bypass
- Create WorkspaceRedirectResolver for DRY tenant-count branching
(0→managed-tenants, 1→tenant-dashboard, >1→choose-tenant)
- Add WorkspaceAutoSelected + WorkspaceSelected audit enum cases
- Rewrite ChooseWorkspace page: role badges, tenant counts,
wire:click selection, audit logging, WorkspaceRedirectResolver
- Add 'Switch workspace' user menu item in AdminPanelProvider
- Rewrite SwitchWorkspaceController with audit + resolver
- Replace inline tenant branching in routes/web.php with resolver
## New test files (6)
- WorkspaceRedirectResolverTest (5 tests
Spec 107: Workspace Chooser v1 (Enterprise) + In-App Switch Entry Point
## Core changes
- Refactor EnsureWorkspaceSelected middleware: 7-step algorithmst
## Core changes
- Refactor EnsureWorkspaceSelected middleware: 7-stepes - Refactor Ensng auto-resume (single membership + last_workspace_id), stale sessioid detection, ?choose=1 forced chooser, w (security invariant preserve- Create WorkspaceRedirectResolver for DRY tenant-count branching
(0→managed-tenants, 1→tenant-dashboapped (8163 assertions)
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