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Marc-André Bombeck
0ac5377cc2
A run of the HL7 validator against every code the export can emit found terms that do not exist, are inactive, mean something else, or carry a display the code system does not publish. - Body water and bone mass use 101683-1 and 101685-6; the old codes are a nasogastric fluid output and a calculated body-fat mass. - Step length, walking speed, walking asymmetry and VO2 max ride their HealthKit identifiers: LOINC has no fitting term, and two of the old codes do not exist. - Mood, estimated A1C, average cycle length and average period length are text-only. The old codes did not exist or were questionnaire items. - LDL, vitamin D and eGFR use the method-less and total terms (2089-1, 62292-8, 69405-9) a recorded value can honestly claim. - Resting heart rate and pulse-oximetry SpO2 also carry the heart-rate and oxygen-saturation codes the R4 vital-signs profiles require. - Blood pressure, adherence, glucose-panel and injection-site codings carry the published displays; ATC codings carry none, since the user's medication name is not the ATC name. The name stays on the text. - Mood is a survey finding, not a vital sign, so it no longer rides the vital-signs panel.
src/
Application source. HealthLog is a Next.js 16 App Router project (output: "standalone", React 19, TypeScript strict). The path alias @/* resolves to this directory. Everything a request touches lives under here; the layout below follows the request flow rather than alphabetical order.
Request flow
client → src/proxy.ts → src/app/<route>/route.ts → src/lib/api-handler.ts → handler body → src/lib/api-response.ts → client
proxy.ts— the HTTP edge (Next.js 16's renamedmiddleware). Public-path allowlist, demo-mode mutation block, server-side onboarding redirect, worker-only refusal,x-request-id+ CSP nonce generation, every security header.app/— App Router pages (RSC by default) and API routes. Every API route wraps its handler inapiHandler. Seeapp/README.md.lib/— the server/runtime toolkit:apiHandler, auth, crypto, rollups, AI, notifications, pg-boss jobs, integrations, rate limiting. Seelib/README.md.components/— React components (shadcn/ui new-york, kebab-case files). Seecomponents/README.md.
Other directories
hooks/— shared React hooks (use-prefix, kebab-case).types/— shared TypeScript declarations.generated/prisma/— the generated Prisma client (do not edit; regenerated byprisma generate). Imported as@/generated/prisma.instrumentation.ts— Next.js startup hook; boots the pg-boss worker registry and boot-time backfill queues.__tests__/— cross-cutting unit tests; most tests live in__tests__/folders next to the code they cover.
Conventions
See ../CLAUDE.md for the full set. The load-bearing ones: RSC by default ("use client" only when a hook/state/browser API needs it); every API route wraps apiHandler and parses its body with Zod safeParse; userId is always narrowed from session or Bearer, never accepted as a body field; TanStack Query keys come only from src/lib/query-keys/; outbound HTTP goes through src/lib/safe-fetch.ts.