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Arnaud 362f65656b fix: audit fixes — tier-quota bypass, webhook SSRF, auth hardening, pagination, a11y

Full audit (bugs/UI-UX/backend/feature-gap) turned up a money-leak AI quota
bypass, webhook SSRF, and a long tail of missing pagination/auth/a11y work.
Fixes land together since HANDOFF.md tracked them as one backlog.

- AI routes charge tier quota before generating; nutrition POST is author-only
- Webhook dispatch re-validates URL per delivery (SSRF/DNS-rebinding), treats
  redirects as failures; recipe.published now actually dispatches
- New indexes/unique constraints on recipes, meal-planning, comments FK cascade
- Recipe PUT/restore snapshot only inside the transaction, after validation
- Recipe DELETE cleans up S3 objects (recipe + review photos)
- Optimistic UI (favorite/star/follow/shopping-list) rolls back on failure
- Upload presign enforces file size cap + per-tier storage quota
- Route-level loading/error/not-found states across (app), admin, and root
- middleware.ts guards (app)/admin; requireAdmin checks DB role, not cached
  session; rate limiting applied to both session and API-key branches,
  bucketed per key; Stripe webhook dedupes by event id
- Pagination added to recipes, feed, profile, comments, pantry, admin tables
- Nav shows real avatar + profile link + dark-mode toggle; destructive actions
  standardized on AlertDialog
- Unsaved-changes guard + real ingredient/step validation on recipe form;
  canonical /recipes/[id] used in-app; next/image migration; aria-labels and
  alt text across icon buttons, avatars, recipe photos
- packages/api-types removed (zero callers, too drifted to safely rewire);
  openapi.ts and ai-keys error shape drift fixed; BYOK decrypt failures now
  surface instead of silently falling back to the platform key

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

2026-07-09 21:50:35 +02:00

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CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Dev Setup

cp .env.example .env.local        # fill in secrets (lives at repo root)
ln -s ../../.env.local apps/web/.env.local   # Next.js reads from apps/web/, not root
docker compose -f docker/compose.yml up -d   # start postgres, redis, minio
pnpm install
pnpm db:generate                  # generate migrations from schema (first time)
pnpm db:migrate                   # apply migrations
pnpm db:seed                      # seed tier definitions
pnpm dev                          # start Next.js on :3000

MinIO console: http://localhost:9001 (minioadmin / minioadmin)

Key Commands

pnpm dev                   # run web app
pnpm build                 # production build
pnpm lint                  # lint all packages
pnpm typecheck             # type-check all packages

pnpm db:generate           # generate Drizzle migration from schema changes
pnpm db:migrate            # apply migrations
pnpm db:seed               # seed tier definitions
pnpm db:studio             # open Drizzle Studio

Architecture

Monorepo (pnpm workspaces):

apps/web — Next.js 15 App Router app (@epicure/web)
packages/db — Drizzle ORM schema + client (@epicure/db)

Route groups in apps/web/app/:

(auth)/ — login, signup, verify-email (no auth required)
(app)/ — main app shell with nav (auth required)
admin/ — admin-only, role checked in layout server component
api/v1/ — REST API endpoints
api/auth/[...all]/ — Better Auth handler

Auth: Better Auth with Drizzle adapter. Server: lib/auth/server.ts. Client: lib/auth/client.ts. Middleware at middleware.ts guards all routes.

DB: Drizzle ORM on Postgres. Schema in packages/db/src/schema/ split by domain: users, recipes, social, meal-planning, tiers. Import from @epicure/db.

AI (Phase 3): Vercel AI SDK provider factory in apps/web/lib/ai/. All AI outputs use generateObject + Zod schemas — no free-text parsing.

Storage: S3-compatible via STORAGE_* env vars. MinIO locally, any S3-compatible provider in prod.

Tier limits: lib/tiers.ts exports checkTierLimit(userId, tier, key) — call before recipe create and AI calls. Throws TierLimitError on breach.

Adding a shadcn/ui Component

cd apps/web && pnpm dlx shadcn@latest add <component-name>

Schema Changes

Edit packages/db/src/schema/*.ts
pnpm db:generate — creates migration file
pnpm db:migrate — applies it
Update the corresponding inline Zod schemas in the affected apps/web/app/api/v1/**/route.ts files (and apps/web/lib/openapi.ts if documented there)

Environment Variables

See .env.example. Required for dev: DATABASE_URL, BETTER_AUTH_SECRET, BETTER_AUTH_URL. AI keys optional until Phase 3.

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