Discord Bot Utility Helper

from datetime import datetime
from typing import Optional
import discord

def extract_id_timestamp(snowflake_id: int) -> datetime:
    """
    Convert a Discord snowflake ID to a datetime object.

    Args:
        snowflake_id: The Discord snowflake ID

    Returns:
        A datetime object representing when the ID was created
    """
    pass

def sanitize_markdown(text: str) -> str:
    """
    Escape markdown formatting characters in text.

    Args:
        text: The text to escape

    Returns:
        Text with markdown characters escaped
    """
    pass

def sanitize_mentions(text: str) -> str:
    """
    Escape user, role, and everyone/here mentions in text.

    Args:
        text: The text to escape

    Returns:
        Text with mentions escaped to prevent pinging
    """
    pass

def create_discord_timestamp(dt: datetime, style: str = "f") -> str:
    """
    Format a datetime as a Discord timestamp string.

    Args:
        dt: The datetime to format
        style: Display style - 't' (short time), 'T' (long time),
               'd' (short date), 'D' (long date),
               'f' (short datetime), 'F' (long datetime),
               'R' (relative)

    Returns:
        Discord timestamp string like <t:1234567890:R>
    """
    pass

async def fetch_user_smart(bot: discord.Bot, user_id: int) -> Optional[discord.User]:
    """
    Get a user from cache or fetch from API if not cached.

    Args:
        bot: The Discord bot instance
        user_id: The user ID to fetch

    Returns:
        The User object, or None if not found
    """
    pass