Add docs, robots.txt and fix migration syntax

- backend/README.md: full API and DB documentation
- public/robots.txt: block all pages except root for SEO
- index.html: add noindex meta tag for inner SPA pages
- 002_extend.sql: fix RENAME COLUMN syntax (remove unsupported IF EXISTS)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/README.md

@@ -0,0 +1,149 @@
+# HotelSync — Backend API
+
+Fastify + TypeScript + PostgreSQL + Redis
+
+## Stack
+
+- **Runtime**: Node.js 20
+- **Framework**: Fastify 4
+- **Database**: PostgreSQL 16
+- **Cache / Sessions**: Redis 7
+- **Auth**: JWT (access 1h) + opaque refresh token (30d, stored in Redis)
+- **Language**: TypeScript (strict mode off for unused vars)
+
+## API Base URL
+
+```
+https://api.hotelsync.ru
+```
+
+## Auth
+
+```
+POST /api/auth/login       { email, password } → { token, refreshToken, user }
+POST /api/auth/refresh     { refreshToken }    → { token }
+POST /api/auth/logout
+GET  /api/auth/me
+```
+
+All protected routes require `Authorization: Bearer <token>`.
+
+## Routes
+
+```
+GET  /api/hotels                         (super_admin)
+POST /api/hotels                         (super_admin)
+
+GET  /api/hotels/:slug/rooms
+POST /api/hotels/:slug/rooms
+PATCH /api/hotels/:slug/rooms/:id
+DELETE /api/hotels/:slug/rooms/:id
+
+GET  /api/hotels/:slug/bookings
+POST /api/hotels/:slug/bookings
+PATCH /api/hotels/:slug/bookings/:id
+
+GET  /api/hotels/:slug/guests
+POST /api/hotels/:slug/guests
+PATCH /api/hotels/:slug/guests/:id
+
+GET  /api/hotels/:slug/housekeeping
+POST /api/hotels/:slug/housekeeping
+PATCH /api/hotels/:slug/housekeeping/:id
+
+GET  /api/hotels/:slug/users
+POST /api/hotels/:slug/users
+PATCH /api/hotels/:slug/users/:id
+
+GET  /api/hotels/:slug/channels
+PATCH /api/hotels/:slug/channels/:id
+
+GET  /api/hotels/:slug/tariffs
+POST /api/hotels/:slug/tariffs
+PATCH /api/hotels/:slug/tariffs/:id
+
+GET  /api/hotels/:slug/discounts
+POST /api/hotels/:slug/discounts
+PATCH /api/hotels/:slug/discounts/:id
+
+GET  /api/hotels/:slug/reviews
+POST /api/hotels/:slug/reviews
+PATCH /api/hotels/:slug/reviews/:id
+
+GET  /api/hotels/:slug/maintenance
+POST /api/hotels/:slug/maintenance
+PATCH /api/hotels/:slug/maintenance/:id
+
+GET  /api/hotels/:slug/pos/categories
+GET  /api/hotels/:slug/pos/items
+GET  /api/hotels/:slug/pos/orders
+POST /api/hotels/:slug/pos/orders
+
+# CP Admin panel (super_admin only)
+GET  /api/admin/hotels
+POST /api/admin/hotels
+PATCH /api/admin/hotels/:id
+GET  /api/admin/users
+POST /api/admin/users
+PATCH /api/admin/users/:id
+```
+
+## Database Migrations
+
+Migrations run automatically on container startup (in order).
+
+| File | Description |
+|------|-------------|
+| `migrations/001_schema.sql` | Base schema: hotels, rooms, bookings, users, channels, housekeeping |
+| `migrations/002_extend.sql` | Extended schema: guests, tariffs, discounts, loyalty, reviews, maintenance, POS, document templates, hotel settings |
+
+### Key tables
+
+| Table | Description |
+|-------|-------------|
+| `hotels` | Hotels with plan, contact info, check-in/out times |
+| `rooms` | Rooms with beds JSONB, extra_place JSONB, child_policy JSONB |
+| `room_categories` | Room categories per hotel |
+| `guests` | Guest database with loyalty points/tiers |
+| `bookings` | Bookings with guest_id, payment_status, meal_plan |
+| `tariffs` | Pricing tariffs (percent / fixed / multiplier) |
+| `discounts` | Discounts and promo codes |
+| `loyalty_rules` | Point accrual rules (stay, review, birthday...) |
+| `loyalty_tiers` | Tier thresholds (standard/silver/gold/platinum) |
+| `reviews` | Guest reviews from all sources |
+| `maintenance_tasks` | Maintenance tasks per room |
+| `pos_categories` | POS item categories |
+| `pos_items` | POS menu items with price and VAT |
+| `pos_orders` | POS orders with JSONB items |
+| `document_templates` | HTML templates for registration cards, invoices |
+| `hotel_settings` | Key-value JSONB settings per hotel |
+
+## Demo accounts (seeded automatically)
+
+| Email | Password | Role |
+|-------|----------|------|
+| admin@hotelsync.io | demo | super_admin |
+| manager@grand-palace.ru | demo | hotel_manager |
+| cleaner@grand-palace.ru | demo | housekeeper |
+
+## Running locally
+
+```bash
+cd backend
+npm install
+npm run dev
+```
+
+Requires `.env`:
+```
+DATABASE_URL=postgres://hotelsync:password@localhost:5432/hotelsync
+REDIS_URL=redis://localhost:6379
+JWT_SECRET=your-secret
+```
+
+## Docker
+
+```bash
+docker build -t hotelsync-api .
+docker run -p 3000:3000 --env-file .env hotelsync-api
+```

backend/migrations/002_extend.sql

@@ -44,8 +44,8 @@ ALTER TABLE rooms
   ADD COLUMN IF NOT EXISTS photos             TEXT[]   NOT NULL DEFAULT '{}';
 
 -- Переименуем старые поля для единообразия
-ALTER TABLE rooms RENAME COLUMN IF EXISTS capacity       TO max_guests;
-ALTER TABLE rooms RENAME COLUMN IF EXISTS price_per_night TO base_rate;
+ALTER TABLE rooms RENAME COLUMN capacity       TO max_guests;
+ALTER TABLE rooms RENAME COLUMN price_per_night TO base_rate;
 
 -- ── Guests (база гостей) ────────────────────────────────────────────────────
 CREATE TABLE IF NOT EXISTS guests (

index.html

@@ -5,6 +5,7 @@
     <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta name="description" content="HotelSync — современная PMS система для отелей" />
+    <meta name="robots" content="noindex, nofollow" />
     <title>HotelSync</title>
     <link rel="preconnect" href="https://fonts.googleapis.com" />
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />

public/robots.txt

@@ -0,0 +1,5 @@
+User-agent: *
+Allow: /$
+Disallow: /
+
+Sitemap: https://app.hotelsync.ru/sitemap.xml