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Phase 2 Completion Report: Sidebar & Context Engine Integration

Date: 2026-01-05 Status: PHASE COMPLETE Reference: architecture/GOLDEN/GOLDEN-SPEC-PLATFORM-CANONICAL.md

1. Objectives Achieved

We have successfully transitioned the application navigation from a "Legacy Static List" to a "Registry-Driven Dynamic Engine" powered by the Context State.

  • Objective A: Static Skeleton. Code sidebar-skeleton.ts defines the immutable structure (Domains / Utilities / Platform).
  • Objective B: Dynamic Resolution. Logic sidebar-resolver.ts maps this skeleton to actual enabled routes based on the user's Hat and Scope.
  • Objective C: UI Wiring. The main RoleBasedNavigation.tsx component now listens to usePlatformContext().

2. Artifact Registry

Component Path Function
Skeleton lib/registries/sidebar-skeleton.ts The immutable visual shape of the sidebar.
Resolver lib/registries/sidebar-resolver.ts The logic that enables/disables items based on Context.
Navigation UI app/_components/RoleBasedNavigation.tsx The React component rendering the sidebar.
Legacy Config lib/config/navigation.ts DEPRECATED. Superseded by the Skeleton + Resolver.

3. Verification Checklist

  • ✅ Stable Structure: Switching hats (e.g., Admin -> Owner) does not reorder the sidebar icons. The "Domains" group remains at top.
  • ✅ Dynamic Enablement:
  • Admin Hat: Sees System Admin enabled.
  • Owner Hat: System Admin is hidden (or disabled, per policy).
  • ✅ Landing Route Mapping:
  • Finance: Owner maps to My Bills. Admin maps to General Ledger.
  • ✅ Safety: No hard crashes if a legacy item is missing from the registry (Resolver handles unknown items safely).

4. Next Steps (Phase 3)

With the Navigation Layer complete, the focus shifts to Server-Side Enforcement.

  • Current Risk: Although the UI hides buttons, the Server Actions (actions/*.ts) still largely rely on simple requireRole('admin') checks.
  • Target: Introduce requireContext(scope) logic to key actions.
  • Cleanup: Delete lib/config/navigation.ts after a quarantine period to ensure no hidden dependencies remain.

Signed Off: Antigravity Agent