feat: checklists, minibar and deposit modules

- DB migrations 057-059: checklist_templates/items/completions, minibar_items/consumptions, hotel_deposit_settings, booking_deposits
- Backend routes: checklists (templates CRUD + task completions), minibar (items + consumptions), deposit (settings, cash/yookassa hold, release/capture)
- YooKassa service for hold/capture/cancel payments
- Frontend: ChecklistSettingsPage, MinibarSettingsPage, DepositSettingsPage
- HousekeepingPage: task cards now show checklist + minibar panel with checkboxes and quantity buttons
- BookingModal: minibar charges summary + deposit management (cash/YooKassa/release) for existing bookings
- Sidebar + App.tsx: new routes /settings/checklists, /settings/minibar, /settings/deposit

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

backend/migrations/059_deposits.sql

@@ -0,0 +1,34 @@
+CREATE TABLE hotel_deposit_settings (
+  hotel_id UUID PRIMARY KEY REFERENCES hotels(id) ON DELETE CASCADE,
+  is_enabled BOOLEAN NOT NULL DEFAULT false,
+  amount NUMERIC(10,2) NOT NULL DEFAULT 5000,
+  yookassa_shop_id TEXT,
+  yookassa_secret_key TEXT,
+  updated_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+CREATE TABLE booking_deposits (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  hotel_id UUID NOT NULL REFERENCES hotels(id),
+  booking_id UUID NOT NULL REFERENCES bookings(id),
+  amount NUMERIC(10,2) NOT NULL,
+  status TEXT NOT NULL DEFAULT 'pending',
+  -- pending = ожидает оплаты
+  -- paid_cash = оплачен наличными
+  -- hold_created = холд создан в ЮКасса
+  -- hold_confirmed = холд подтверждён (webhook)
+  -- captured = частично/полностью списано
+  -- refunded = возвращён полностью
+  -- cancelled = отменён
+  payment_method TEXT, -- 'cash', 'yookassa_hold'
+  yookassa_payment_id TEXT,
+  yookassa_confirmation_url TEXT,
+  captured_amount NUMERIC(10,2),
+  retention_reason TEXT,
+  guest_email_sent BOOLEAN NOT NULL DEFAULT false,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  paid_at TIMESTAMPTZ,
+  released_at TIMESTAMPTZ
+);
+
+CREATE INDEX ON booking_deposits(booking_id);