"""PMFlow 团队负载服务。"""

from __future__ import annotations

import json
from datetime import date, datetime, timedelta
from typing import Optional

from sqlalchemy import and_, func, select
from sqlalchemy.ext.asyncio import AsyncSession

from ...config.ai_prompts import PROMPT_WORKLOAD_OPTIMIZATION
from ...models import AICallLog, Task, User, UserProject, UserSkillBinding, UserWorkload
from ..llm_service import llm_service

from ...utils.timezone import now_cn_naive
LEVEL_HOURS_MULTIPLIER = {
    "expert": 0.8,
    "advanced": 0.9,
    "intermediate": 1.0,
    "beginner": 1.1,
}