# Proposal

## Why

Auth is the last thing between the mall and real accounts. The fixed-data adapter accepts any credentials and always returns the same demo user, so login, register and "me" are theatre — and every domain needing a bearer token (cart, orders, invoices) is pinned behind them. `shop-admin` and `admin` already authenticate against the live backend.

## What Changes

- Flip the `auth` domain to live via `liveDomains`; cart, orders, shipments and invoices stay on fixed data.
- Align the client password rule with the API: the panels require 6 characters, but `/auth/register` requires 8 and answers 400 (`apps/api/src/routes/auth.rs:32`).
- Map real failures to distinct messages — 401 for bad credentials, 409 when an email is taken — instead of one generic "request failed".
- Drop the register SMS-code field: its button only runs a countdown, there is no endpoint, and the value is never sent, so it is a mandatory no-op once auth is real.
- Validate a stored token through `/auth/me` on load rather than trusting `localStorage` alone.
- **BREAKING** (auth UX): the demo's "log in as anyone, any password" behaviour ends; wrong credentials now fail.

## Capabilities

### New Capabilities

(none)

### Modified Capabilities

- `frontend-mall`: the "Auth and buyer center" requirement stops being backed by deterministic mock auth and uses the live auth API.

## Impact

`apps/mall/plugins/api.ts` and `apps/mall/nuxt.config.ts` (`liveDomains`), `pages/login.vue`, `pages/register.vue`, `stores/session.ts`, `middleware/auth.ts`, and `locales-extra.ts` for the new error strings. No backend or `shop-admin`/`admin` change.

## Non-goals

Cart, orders, shipments and invoices stay on fixed data: the mock adapter holds `cart -> orders -> shipments` as one shared state, so flipping cart alone would fail checkout with `EMPTY_CART`. They move together in a later wave. No store, address, favourite or coupon work.