feat: бронирование товаров и сброс пароля по email

Co-authored-by: Cursor <cursoragent@cursor.com>

postgres/init/03_reservations_reset.sql

@@ -0,0 +1,28 @@
+-- Бронирование товаров
+CREATE TABLE IF NOT EXISTS reservations (
+  id SERIAL PRIMARY KEY,
+  user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+  product_id INTEGER NOT NULL REFERENCES products(id) ON DELETE CASCADE,
+  quantity INTEGER NOT NULL CHECK (quantity > 0),
+  status TEXT NOT NULL DEFAULT 'active'
+    CHECK (status IN ('active', 'fulfilled', 'cancelled', 'expired')),
+  expires_at TIMESTAMPTZ NOT NULL DEFAULT (NOW() + INTERVAL '48 hours'),
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_reservations_user ON reservations(user_id);
+CREATE INDEX IF NOT EXISTS idx_reservations_product ON reservations(product_id);
+CREATE INDEX IF NOT EXISTS idx_reservations_status ON reservations(status);
+
+-- Сброс пароля
+CREATE TABLE IF NOT EXISTS password_reset_tokens (
+  id SERIAL PRIMARY KEY,
+  user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+  token_hash TEXT NOT NULL,
+  expires_at TIMESTAMPTZ NOT NULL,
+  used_at TIMESTAMPTZ,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_password_reset_user ON password_reset_tokens(user_id);
+CREATE INDEX IF NOT EXISTS idx_password_reset_expires ON password_reset_tokens(expires_at);