from pydantic import BaseModel, Field
from typing import Optional, Callable, Any, Awaitable
import re
import time
from open_webui.utils.misc import get_last_assistant_message


def count_characters(text: str) -> int:
    chinese_chars = re.findall(r"[\u4e00-\u9fff]", text)
    english_words = re.findall(r"\b\w+\b", text)
    punctuation_marks = re.findall(r"[^\w\s]", text)

    total_count = len(c...