WIN-JHFT4D3SIVT\caoxiaozhu
4972b4e6b1
Align the L3 graph, agent service, and sync tool shims on one canonical continuity contract so clarification resumes and persisted snapshots behave consistently. Add targeted regressions and hardening notes covering system-message coalescing, async bridge usage, and continuity rehydration.
28 lines
1.1 KiB
Python
28 lines
1.1 KiB
Python
from sqlalchemy import Column, String, Text, Integer, ForeignKey, JSON
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from sqlalchemy.orm import relationship
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from app.models.base import BaseModel
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class Conversation(BaseModel):
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__tablename__ = "conversations"
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user_id = Column(String(36), ForeignKey("users.id"), nullable=False, index=True)
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title = Column(String(500), nullable=True)
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message_count = Column(Integer, default=0)
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agent_state = Column(JSON, nullable=True)
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messages = relationship("Message", back_populates="conversation", cascade="all, delete-orphan")
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class Message(BaseModel):
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__tablename__ = "messages"
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conversation_id = Column(String(36), ForeignKey("conversations.id"), nullable=False, index=True)
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role = Column(String(20), nullable=False) # user, assistant, system
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content = Column(Text, nullable=False)
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model = Column(String(100), nullable=True)
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tokens_used = Column(Integer, nullable=True)
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attachments = Column(JSON, nullable=True) # 新增: [{file_id, filename, file_type, file_size}]
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conversation = relationship("Conversation", back_populates="messages")
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