```typescript
import { createCommand } from "@/lib/utils";
import { SlashCommandBuilder, EmbedBuilder, MessageFlags } from "discord.js";
import { economyService } from "@/modules/economy/economy.service";
import { createSuccessEmbed, createErrorEmbed } from "@lib/embeds";
import { UserError } from "@/lib/errors";

export const daily = createCommand({
    data: new SlashCommandBuilder()
        .setName("daily")
        .setDescription("Claim your daily reward"),
    execute: async (interaction) => {
        try {
            const result = await economyService.claimDaily(interaction.user.id);

            const embed = new EmbedBuilder()
                .setTitle("💰 Daily Reward Claimed!")
                .setDescription(`You claimed ** ${ result.amount }** Astral Units!`)
                .addFields(
                    { name: "Streak", value: `🔥 ${ result.streak } days`, inline: true },
                    { name: "Next Reward", value: `< t:${ Math.floor(result.nextReadyAt.getTime() / 1000) }: R > `, inline: true }
                )
                .setColor("Gold")
                .setTimestamp();

            await interaction.reply({ embeds: [embed] });

        } catch (error: any) {
            if (error instanceof UserError) {
                await interaction.reply({ embeds: [createErrorEmbed(error.message)], ephemeral: true });
            } else {
                console.error("Error claiming daily:", error);
                await interaction.reply({ embeds: [createErrorEmbed("An unexpected error occurred.")], ephemeral: true });
            }
        }
    }
});
```