date column not being returned as string by drizzle

export const productSnapshot = pgTable("product_snapshot", {
    productId: text("product_id").notNull().references(() => product.id),
    // You can use { mode: "bigint" } if numbers are exceeding js number limitations
    version: bigint("version", { mode: "number" }).notNull(),
    material: text("material").notNull(),
    shape: text("shape").notNull(),
    alloy: text("alloy").notNull(),
    // You can use { mode: "bigint" } if numbers are exceeding js number limitations
    thickness: bigint("thickness", { mode: "number" }).notNull(),
    dimension: text("dimension").notNull(),
    // You can use { mode: "bigint" } if numbers are exceeding js number limitations
    weightByFoot: bigint("weight_by_foot", { mode: "number" }).notNull(),
    description: text("description").notNull(),
    effectiveDate: timestamp("effective_date", { withTimezone: true, mode: 'string' }).defaultNow().notNull(),
},