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sanihome/CONTEXT.md
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amirhosein.ashourlooandClaude Sonnet 5 5152b16d61 Revert to guest-cart architecture, drop in-site auth/checkout
Per api.meshkee.com/docs/website/AI_PROMPT.md's hard rules (which an
earlier pass on this branch missed): login, register, OTP, the real
cart, addresses, and payment are the customer dashboard's job
(customer.sanihome.ir), not this storefront's. This site should only
ever run a local guest mini-cart and hand off to the dashboard.

- Remove: AuthContext, LoginModal, lib/auth.ts, lib/cart.ts (the real
  /businesses/{id}/cart integration), and the /checkout page entirely.
- Add lib/guestCart.ts: localStorage + shared cookie
  (meshkee-guest-cart, Domain=.sanihome.ir) cart, storeItemVariantId
  keyed, matching the spec's line shape and ~3500-char cookie-size
  cutoff.
- CartContext is now a thin React wrapper over the guest cart (no
  server round-trip, so add/update/remove are synchronous); CartPopup's
  "Continue" builds the exact customer.sanihome.ir/checkout/cart
  (or /login?redirect=...) URL from the spec, base64url-encoding the
  cart and detecting an existing dashboard session via the shared
  meshkee_customer_access_token cookie.
- ProductCard and ProductPurchasePanel add to the guest cart directly;
  no login gate on add-to-cart anymore.
- Comments panel is a plain guest name/email/text form again (the
  comments API never required auth — gating it on the now-removed
  login system was wrong regardless).
- CONTEXT.md rewritten to document the guest-cart contract explicitly
  and flag this exact mistake so it doesn't get reintroduced.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-06 15:01:22 +03:30

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# sanihome.ir — project context
> **Keep this file current.** Whenever a change touches architecture, conventions,
> API integration, or adds/removes a major feature, update the relevant section
> here in the same session. This file exists so any AI assistant or developer
> picking up the repo cold — without the conversation history that produced it —
> can get oriented in minutes instead of re-deriving everything from the code
> and from trial-and-error against the live API.
## What this is
A Next.js 16 (App Router, Turbopack) storefront for **سانی‌هوم (Sanihome)**, a
Persian-language (RTL) home-appliance retailer, backed entirely by the
**Meshkee** commerce platform's public API. There is no local database —
every page reads live from `https://api.meshkee.com/api/v1`, tenant domain
`sanihome.ir`. See [`AGENTS.md`](AGENTS.md) — Next.js 16 has breaking changes
from what most training data assumes; read `node_modules/next/dist/docs/`
before touching App Router APIs you're not 100% sure of.
**Meshkee API docs** (always check before assuming a field/endpoint shape):
- Hub: https://api.meshkee.com/docs/website
- OpenAPI: https://api.meshkee.com/docs/website/openapi.json
- AI brief: https://api.meshkee.com/docs/website/AI_PROMPT.md
- The OpenAPI spec's `responses` are often undocumented (just a one-line
description like `{ cart }`) — when a shape isn't documented, `curl` the
live endpoint rather than guessing. Real examples discovered this way are
noted below.
## Stack
- Next.js 16, Turbopack, TypeScript, Tailwind v4 (`@tailwindcss/typography` for
rich HTML content).
- Swiper for carousels (`src/components/ui/Carousel.tsx` for
auto-width/free-mode rows; `FeaturedCategories.tsx` for a fixed
slides-per-view row).
- Two local font files supplied by the client — `public/fonts/*.woff`
(IRANYekan Light + Bold), loaded via `next/font/local` in
`src/app/layout.tsx`. Body text uses the light weight; **every heading tag
(`h1`–`h6`) uses the bold weight** via a plain CSS rule in `globals.css` —
don't reintroduce a Google-fonted Vazirmatn/etc., this was deliberately
replaced.
- No local dev-server port is guaranteed — `.claude/launch.json` has
`"autoPort": true` because other projects on this machine also default to
port 3000.
## Data layer (`src/lib/`)
- **`meshkee.ts`** — all public, unauthenticated reads (and the two
unauthenticated writes: comments, contact form) live here. Every
`normalize*` function reads defensively from multiple possible field names
because different endpoints shape the "same" concept differently (see
Data quirks below). Prefer extending an existing `normalize*`/type over
adding a parallel one.
- **`guestCart.ts`** — the storefront's entire cart story (see next
section). No token, no backend call, no `businessId` — just
`localStorage` + a shared cookie.
## Auth, cart & checkout: this site does none of it
**This was built wrong once already** — an earlier pass added real in-site
login (password/OTP), a real backend cart (`/businesses/{businessId}/cart`),
and a `/checkout` page. That's explicitly **not** how Meshkee storefronts
work, per `https://api.meshkee.com/docs/website/AI_PROMPT.md`'s hard rules:
login, register, OTP, the real cart, addresses, and payment all belong to
**`https://customer.<domain>`** (the customer dashboard) — a *separate app*,
not a page on this site. If you're about to add a `/login`, `/register`,
`/checkout`, `/cart`, or `/account` route, or call `/auth/*` or
`/businesses/{id}/cart*` from this codebase: **stop, re-read the AI_PROMPT.md
"Shopping cart on the storefront" and "Shared login" sections first.**
- **Detecting a logged-in shopper**: read the `meshkee_customer_access_token`
cookie (written by the customer dashboard with `Domain=.sanihome.ir`, so
it's readable here too) — see `isCustomerLoggedIn()` in `guestCart.ts`.
Never build a login UI or call `/auth/login` from this site.
- **Guest cart** (`guestCart.ts`): lines are
`{ id, name, slug, price, originalPrice?, image, quantity }` where `id` is
always a `storeItemVariantId` — never a product id or store-item id.
Persisted to `localStorage` (key `meshkee-guest-cart`) **and** a cookie of
the same name (`Domain=.sanihome.ir`, skipped if the encoded JSON is
>~3500 chars — rely on the URL param instead). `CartProvider`
(`src/context/CartContext.tsx`) just wraps this in React state; there is
no server round-trip, so `addItem`/`updateItem`/`removeItem` are
synchronous.
- **"Continue" in the mini-cart** (`CartPopup`) builds a URL with
`continueToCheckoutUrl()`: the guest cart, base64url-encoded (exact
algorithm from the spec) into a `guestCart` query param, pointed at
`https://customer.sanihome.ir/checkout/cart?guestCart=...` if the shopper
looks logged in, or `.../login?redirect=...` (wrapping that same cart URL)
if not. The dashboard is responsible for decoding it and syncing it into
the real server cart after login — this site's job ends at building that
URL correctly.
- **Which variant does "add to cart" target?**
- On the product/store-item **detail** pages, `ProductPurchasePanel`
resolves a `matchedVariant` from `storeVariants` (even for a single-SKU
product with no selectable variations — it just uses the one variant)
and adds `matchedVariant.id`.
- On **cards** (`ProductCard`), only sources that already carry a specific
variant id can quick-add: `Product.variantId`, populated in
`normalizeProduct` from `raw.variants[0].id` (store-specials,
brand-groups). Cards from the plain `/products` list endpoint have no
variant info, so the button links to the detail page instead — never
fabricate a variant id to force a quick-add.
- The spec's fuller flow (`GET /store-items/by-product/{productId}`,
then: hide the button if no in-stock variant exists, force a picker
when more than one is in stock) isn't separately re-implemented per
card — the existing variation-picker UI on the detail page already
satisfies "shopper must choose before adding."
## Comments
`GET/POST /tenants/{domain}/comments` needs no auth on Meshkee's side —
`authorName`/`authorEmail` are plain body fields, same as the contact form.
`ProductTabs`' comments panel is a guest name+email(optional)+text form, no
login involved (this also isn't gated on the dashboard cookie — keep it
that way; there's no reason to require a customer-dashboard session just to
leave a comment). `GET /comments` only returns **approved** comments, so a
freshly-posted comment won't reappear on refetch until an admin approves it
— the UI appends it optimistically to local state instead of re-fetching,
which is correct, not a bug.
## Data quirks (verified against the live catalog)
- **Persian name always wins**: every `name`-ish field prefers `nameFa` /
`productNameFa` over the English `title`/`name` — this is a Persian
storefront front-to-back.
- **Price/discount fields differ by source.** Some endpoints (plain
`/products` list) only ever give `store.minPrice/maxPrice` with no
original/discounted distinction. Others (store-specials, brand-groups,
store-items) nest `price`/`discountedPrice` one level down, in
`variants[0]` or on the item directly. `normalizeProduct` computes a
`discount` **percent** from real price/oldPrice numbers when the API
doesn't send one explicitly — never invent a percent without two real
prices behind it.
- **Most of the catalog has no price at all** (`store.minPrice: null`) and
**`technical-info` is empty for almost every product** — this is real data
state on the client's side, not a bug. The honest-empty-state path (a
disabled/"تماس با فروشگاه" control, or an `EmptyState` message) is the one
actually exercised for most products; don't "fix" it by fabricating values.
- **Group-source `id` vs `productId`**: store-specials/brand-groups/store-items
wrap a store-item row whose own `id` is *not* the product id — the real
product id is `raw.productId`. `normalizeProduct` prefers `productId`, and
cards/links that only have this id (no slug) route through
`/products/id/[id]` (`src/app/products/id/[id]/page.tsx`), which resolves
`GET /products/by-id/{id}` and redirects to the canonical slug URL.
- **Store-items vs Products**: a "store item" is one purchasable
variant/SKU (id = `storeItemVariantId` for the cart API). `/store-items`
and `/store-items/[id]` (variant-level browsing/detail) are a separate
surface from `/products` and `/products/[slug]` (product-level, with
descriptions/technical-info/full variation picker) — the store-item detail
page cross-references its parent product (`getProductById`) for
images/description/specs, since the variant endpoint alone only has
price/stock/selections.
## UI conventions (apply these by default; also noted in this session's
persistent memory as "for all the user's sites", not just this one)
- **Breadcrumb on every page except the homepage** — above the `<h1>`, via
`src/components/ui/Breadcrumb.tsx`.
- **Product detail layout**: 3-column grid (desktop) — gallery
(`ProductGallery`, ~1/3, includes hover-zoom + click-to-open lightbox) →
title + variation pickers (~5/12) → sticky buy-box (~1/4). One
`ProductPurchasePanel` client component owns the shared
selection/quantity/cart state and renders as a `Fragment` with two
grid-column-span children so it can span two non-adjacent grid cells while
the server renders the static header content into it via a prop.
- **Discount price display** (cards and buy-box both): old price
strikethrough + green percent badge **on the same line, badge to the
old price's left** — current price alone, bold, on the next line. Never a
min–max range once a real variant-driven price exists.
- **Equal-height cards in a `slidesPerView: "auto"` + freeMode Swiper row**:
Swiper's own `.swiper-slide { height: 100% }` doesn't stretch to the
tallest sibling in this mode (no definite ancestor height for the
percentage to resolve against). Fix applied in `Carousel.tsx`: override
the `<SwiperSlide>` to `height: "auto"` via inline style (wins over the
stylesheet regardless of import order) so normal flex-stretch equalizes
the row; pair with `flex h-full flex-col` on the card root and put the
button last so it pins to the bottom.
- **Tabbed product-detail section** (`ProductTabs`): مشخصات فنی / نقد و
بررسی / نظرات کاربران, in that RTL order (rightmost/default-active first
in the array — first DOM child renders rightmost under `dir="rtl"`).
- Category tile images: 110px, no border, no border-radius
(`FeaturedCategories.tsx`).
## Static-image slots
Admin-managed marketing images (banners, category tiles) — not tied to real
catalog data. `STATIC_IMAGE_SLOT_CATALOG` in `meshkee.ts` is the source of
truth for which slots exist; publishing it via
`src/app/meshkee/static-image-slots/route.ts` (`/meshkee/static-image-slots`)
is how the admin dashboard's "refresh" imports new keys. Current keys:
`home-hero`, `two-banner`, `three-banner-row`, `featured-categories`. Adding
a slot here does **not** make images appear — someone still has to upload
them in the dashboard; the code path just needs to fall back to whatever the
"current" behavior was before the slot existed when it's empty (see
`FeaturedCategories.tsx` for the pattern: real slot images when present,
else the pre-existing UI unchanged).
## Route map
| Route | Notes |
|---|---|
| `/` | Homepage — all the carousels/banners |
| `/products`, `/products/[slug]` | Catalog browsing, category filter via `?categoryId=` |
| `/products/id/[id]` | Redirect-only resolver, see "Group-source id vs productId" above |
| `/store-items`, `/store-items/[id]` | Variant-level browsing/detail, see above |
| `/blog`, `/blog/[slug]` | Blog listing/detail |
| `/contact` | Contact form → `POST /contact-submissions`, toast + reset on success |
No `/login`, `/register`, `/checkout`, `/cart`, or `/account` route exists
here on purpose — see "Auth, cart & checkout" above.
## Known gaps / explicit scope decisions
- Login, registration, OTP, the real cart, addresses, and payment are all
out of scope for this codebase by design — they live on
`customer.sanihome.ir`. Don't reintroduce them here.
- A throwaway test customer account was created against the live business
database while an earlier (since-reverted) pass tested a real backend
cart: `+989120000001` / "Test Dev". Safe to delete from the Meshkee admin
panel — it's not used by anything in this codebase anymore.