Replace the username/password stub with Balinyaar's real credential (phone-OTP) and add the role router every authenticated screen sits behind. - services/auth rewritten for OTP over the b2 contract: types/keys/constants, clientApi+mockApi behind a config'd seam, hooks (useRequestOtp/useVerifyOtp/ useMe/useRefresh/useLogout/useSelectRole/useSessionRoleSync). Stub removed. - A1/A2 customer login + B1/B2 nurse switch as one OTP flow at /login (PhoneStep/OtpStep: auto-verify, resend countdown, wrong/expired/lockout states). - Role router: pure resolveRoleDestination + RoleRouter -> family / nurse / admin / select-role, with a splash while /me loads (no wrong-shell flash). - SelectRole first-use screen at /select-role. - Widened AuthState (roles via SessionUser), hydrated from /me by useSessionRoleSync. - Fetch-layer silent token refresh (single-flight + one retry) + shared persistAuthTokens/clearAuthTokens; useRefresh as the on-demand path. - auth i18n namespace in both locales; tests for routing branches, countdown, OtpStep state machine, RoleRouter branches; fixed jest @/ -> src alias. - Docs: client/CLAUDE.md, frontend STATUS/report, for-backend REQ-002..004. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Shared working context — the parallel-agent handoff
This folder lets a backend agent and a frontend agent work at the same time without ever
editing the same file. It is the running, append-only record of what each side has done and what it
needs from the other. (Stable API shapes live in ../contracts/; this folder
is the running coordination on top of them.)
Lane ownership — the one rule that keeps it safe
Each lane writes only its own files. Neither lane edits the other's.
| Lane | Writes (only) | Reads |
|---|---|---|
| Backend | backend/STATUS.md, backend/handoff/after-backend-phase-N.md (new file per phase), reports/backend-phase-N-report.md, reports/mocks-registry.md |
frontend/requests/for-backend.md, prior backend handoffs |
| Frontend | frontend/STATUS.md, frontend/requests/for-backend.md (append), reports/frontend-phase-N-report.md |
backend/handoff/*, ../contracts/*, prior frontend reports |
Because each handoff is a new file per phase and each STATUS/requests file is append-only, two agents can run concurrently and only ever append — no merge conflicts, no clobbering.
Layout
shared-working-context/
├── backend/
│ ├── STATUS.md # append: one block per backend phase (what shipped, gate status)
│ └── handoff/
│ └── after-backend-phase-N.md # "context for frontend after backend phase N" (one per phase)
├── frontend/
│ ├── STATUS.md # append: one block per frontend phase
│ └── requests/
│ └── for-backend.md # append: contract gaps / shape requests the backend should fulfil
└── reports/
├── README.md # the per-phase report template
├── mocks-registry.md # master list of every mock/seam + how to make it real (backend-owned)
├── backend-phase-N-report.md # what was built / testable / mocked (one per backend phase)
└── frontend-phase-N-report.md # one per frontend phase
The handoff note (backend → frontend), per phase
backend/handoff/after-backend-phase-N.md should answer, for the frontend agent:
- Which endpoints/contracts are now live (link the
contracts/domains/*doc + the swagger snapshot). - What the frontend can now build because of this phase.
- What is mocked server-side (so the frontend knows responses are fake-but-shaped) and what's real.
- Any auth/enum/format detail the frontend must mirror.
- Open questions / things the frontend should not assume yet.
The request note (frontend → backend)
frontend/requests/for-backend.md is where the frontend appends: missing endpoints, fields it needs,
shape mismatches, pagination/filter needs — anything that should land in a later backend change. The
backend agent reads this at the start of each phase. The frontend never edits backend code to "fix" it.