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Session Handoff - February 10, 2026 (Session 8)

What Was Accomplished

1. Auth Guards on All API Routes (COMPLETED)

  • Added getServerSession(authOptions) checks to 19 API route files
  • Returns 401 Unauthorized for unauthenticated requests
  • Exceptions: auth/[...nextauth], auth/register, health (public endpoints)

2. Vitest Test Suite (COMPLETED)

  • Installed Vitest + dependencies, configured vitest.config.ts
  • 7 test files, 113 tests passing:
    • src/lib/simulation/__tests__/math.test.ts (29 tests) -- matrix ops
    • src/lib/simulation/__tests__/ekf.test.ts (16 tests) -- Extended Kalman Filter
    • src/lib/simulation/__tests__/cbf.test.ts (16 tests) -- Control Barrier Functions
    • src/lib/simulation/__tests__/integration.test.ts (5 tests) -- EKF+CBF+Control
    • src/app/api/auth/register/__tests__/route.test.ts (16 tests) -- registration flow
    • src/lib/crypto/__tests__/pqc-kyber.test.ts (19 tests) -- Kyber KEM
    • src/lib/crypto/__tests__/pqc-integration.test.ts (12 tests) -- full PQC integration

3. Error Boundaries and Loading Skeletons (COMPLETED)

  • src/app/error.tsx -- global error boundary
  • src/app/not-found.tsx -- custom 404 (inline SVG, no Lucide icons)
  • src/app/dashboard/error.tsx -- dashboard error boundary with retry
  • src/app/dashboard/loading.tsx -- dashboard skeleton
  • src/app/dashboard/digital-twin/loading.tsx -- 3D viewer skeleton
  • src/app/dashboard/calendar/loading.tsx -- calendar grid skeleton
  • src/app/dashboard/wellness/loading.tsx -- wellness metrics skeleton

4. Password Reset Flow (COMPLETED)

  • src/app/api/auth/reset-password/route.ts -- POST handler with Zod validation, bcrypt 12 rounds
  • src/app/auth/reset-password/page.tsx -- 4-step reset page (identify -> verify -> reset -> confirm)
  • src/lib/mockStore.ts -- added updateUserPassword() method
  • src/app/auth/login/page.tsx -- added "Forgot Password?" link

5. Toast Notifications (COMPLETED)

  • src/app/layout.tsx -- added <Toaster /> to root layout
  • src/components/ui/toast.tsx -- added 'use client' directive
  • src/components/ui/toaster.tsx -- added 'use client' directive
  • src/hooks/use-toast.ts -- added 'use client' directive
  • Wired to: signup, login, calendar, wellness, opportunities pages

6. Mobile Navigation (COMPLETED)

  • src/app/dashboard/layout.tsx -- active route highlighting, "More" overflow Sheet, WCAG touch targets
  • src/app/page.tsx -- hamburger menu with Sheet for mobile
  • src/app/globals.css -- mobile menu styles

7. PQC Framework Fix (COMPLETED)

  • Fixed 3 root causes across pqc-signatures.ts and pqc-hybrid-encryption.ts:
    1. @noble/post-quantum v0.5.4 sign/verify argument order was inverted
    2. Envelope encryption dropped wrappedDEK/dekNonce from EncryptedData output
    3. HKDF deriveKey() used random salt on each call, producing mismatched keys
  • All 12 PQC integration tests now pass (was 5/12)
  • Full suite: 113 tests, 0 failures

Current Project State

  • Version: 2.0.0-alpha
  • Next.js: 16.1.5 with Turbopack
  • Build: Passing (65 pages, 0 errors)
  • Tests: 113 passing, 0 failures across 7 test files
  • Auth: NextAuth.js v4, credentials provider, mock user store, 19 API routes guarded
  • Data: File-based mock store (no production database connected)
  • Database Schema: Drizzle ORM with 25+ tables defined but DATABASE_URL not configured
  • Security: PQC encryption (Kyber KEM + XChaCha20-Poly1305), PQC signatures (ML-DSA/Dilithium), CSP headers, HIPAA-oriented design, auth guards
  • 3D: Three.js DigitalTwinCanvas component (basic humanoid, health-score color mapping)
  • Repo: github.com/ihep-platform/ihep.app (master branch)

Key Build Fixes

  • not-found.tsx must NOT use Lucide icons or any library that calls useState internally. Next.js 16.1.5 prerenders this page at build time regardless of 'use client'.
  • Any component imported in layout.tsx must have 'use client' if it uses hooks (toast.tsx, toaster.tsx, use-toast.ts all required this directive).

PQC Framework Notes (for next session)

  • @noble/post-quantum v0.5.4 API: sign(message, secretKey), verify(signature, message, publicKey)
  • Envelope encryption uses XChaCha20-Poly1305 for both plaintext and DEK wrapping
  • HKDF-SHA512 key derivation uses fixed zero salt (KEM shared secret provides full entropy)
  • Signature sizes: ML-DSA44=2420, ML-DSA65=3309, ML-DSA87=4627
  • EncryptedData interface includes: ciphertext, kyberCiphertext, nonce, wrappedDEK, dekNonce, algorithm, keyId, timestamp, metadataHash

Recommended Next Steps

  1. Implement RBAC checks per endpoint (patient vs provider vs admin roles)
  2. Add E2E tests with Playwright for critical user journeys
  3. Connect Drizzle ORM to a PostgreSQL database (DATABASE_URL)
  4. Replace mock store with database-backed user repository
  5. Continue grant application work (ARPA-H ADVOCATE due Feb 27, CMS ACCESS due Apr 1)