from pydantic import BaseModel, ConfigDict
from datetime import datetime


class MemorySessionOut(BaseModel):
    session_id: str
    flow_id: str
    flow_name: str
    last_active_at: str


class ConversationMessage(BaseModel):
    role: str
    content: str
    ts: str = ""


class ClearSessionRequest(BaseModel):
    session_id: str