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432f4f6a59
后端: 重构 agent context/loop/subagent/workflow，增强 agent team API、会话级运行时配置、渠道 handler/manager，以及 QQ、飞书、钉钉、企业微信等渠道能力；同步调整 send_media、spawn、workflow_tool、filesystem 等工具模块，移除 image_uploader。 前端: 重构聊天窗口、消息项、会话面板、工具调用卡片和设置中心；新增团队配置、会话配置、工作流面板、预设选择、虚拟滚动、提示框等组件与 composables；更新 agentTeams/store/types、国际化文案、主题样式与 frontend dist 构建产物。
37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
"""消息模型"""
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from __future__ import annotations
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from datetime import datetime, timezone
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from typing import TYPE_CHECKING
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from sqlalchemy import DateTime, ForeignKey, Index, Integer, String, Text
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from backend.database import Base
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if TYPE_CHECKING:
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from backend.models.session import Session
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def utc_now():
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"""返回带时区的UTC时间"""
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return datetime.now(timezone.utc)
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class Message(Base):
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"""消息表"""
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__tablename__ = "messages"
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id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
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session_id: Mapped[str] = mapped_column(String, ForeignKey("sessions.id"), nullable=False)
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role: Mapped[str] = mapped_column(String, nullable=False)
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content: Mapped[str] = mapped_column(Text, nullable=False)
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message_context: Mapped[str | None] = mapped_column(Text, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=utc_now)
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session: Mapped["Session"] = relationship("Session", back_populates="messages")
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__table_args__ = (Index("idx_messages_session", "session_id", "created_at"),)
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