226 lines
9.4 KiB
Python
226 lines
9.4 KiB
Python
"""ORM model definitions"""
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from datetime import datetime
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from typing import Optional, List
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from sqlalchemy import String, Integer, Boolean, Float, Text, DateTime, ForeignKey
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from luxx.database import Base
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def local_now():
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return datetime.now()
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class LLMProvider(Base):
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"""LLM Provider configuration model"""
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__tablename__ = "llm_providers"
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id: Mapped[int] = mapped_column(Integer, primary_key=True)
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user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
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name: Mapped[str] = mapped_column(String(100), nullable=False)
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provider_type: Mapped[str] = mapped_column(String(50), nullable=False, default="openai") # openai, deepseek, glm, etc.
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base_url: Mapped[str] = mapped_column(String(500), nullable=False)
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api_key: Mapped[str] = mapped_column(String(500), nullable=False)
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default_model: Mapped[str] = mapped_column(String(100), nullable=False, default="gpt-4")
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max_tokens: Mapped[int] = mapped_column(Integer, default=8192) # 默认 8192
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is_default: Mapped[bool] = mapped_column(Boolean, default=False)
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enabled: Mapped[bool] = mapped_column(Boolean, default=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=local_now, onupdate=local_now)
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# Relationships
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user: Mapped["User"] = relationship("User", backref="llm_providers")
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def to_dict(self, include_key: bool = False):
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"""Convert to dictionary, optionally include API key"""
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result = {
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"id": self.id,
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"user_id": self.user_id,
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"name": self.name,
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"provider_type": self.provider_type,
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"base_url": self.base_url,
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"default_model": self.default_model,
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"max_tokens": self.max_tokens,
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"is_default": self.is_default,
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"enabled": self.enabled,
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"created_at": self.created_at.isoformat() if self.created_at else None,
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"updated_at": self.updated_at.isoformat() if self.updated_at else None
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}
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if include_key:
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result["api_key"] = self.api_key
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return result
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class Project(Base):
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"""Project model"""
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__tablename__ = "projects"
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id: Mapped[str] = mapped_column(String(64), primary_key=True)
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user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
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name: Mapped[str] = mapped_column(String(255), nullable=False)
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description: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=local_now, onupdate=local_now)
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# Relationships
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user: Mapped["User"] = relationship("User", backref="projects")
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class User(Base):
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"""User model"""
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__tablename__ = "users"
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id: Mapped[int] = mapped_column(Integer, primary_key=True)
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username: Mapped[str] = mapped_column(String(50), unique=True, nullable=False)
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email: Mapped[Optional[str]] = mapped_column(String(120), unique=True, nullable=True)
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password_hash: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
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role: Mapped[str] = mapped_column(String(20), default="user")
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permission_level: Mapped[int] = mapped_column(Integer, default=1) # 1=READ_ONLY, 2=WRITE, 3=EXECUTE, 4=ADMIN
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workspace_path: Mapped[Optional[str]] = mapped_column(String(500), nullable=True) # 用户工作空间路径
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is_active: Mapped[bool] = mapped_column(Boolean, default=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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# Relationships
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conversations: Mapped[List["Conversation"]] = relationship(
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"Conversation", back_populates="user", cascade="all, delete-orphan"
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)
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def to_dict(self):
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return {
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"id": self.id,
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"username": self.username,
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"email": self.email,
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"role": self.role,
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"permission_level": self.permission_level,
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"workspace_path": self.workspace_path,
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"is_active": self.is_active,
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"created_at": self.created_at.isoformat() if self.created_at else None
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}
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class Conversation(Base):
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"""Conversation model"""
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__tablename__ = "conversations"
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id: Mapped[str] = mapped_column(String(64), primary_key=True)
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user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
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provider_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("llm_providers.id"), nullable=True)
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project_id: Mapped[Optional[str]] = mapped_column(String(64), ForeignKey("projects.id"), nullable=True)
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title: Mapped[str] = mapped_column(String(255), nullable=False)
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model: Mapped[str] = mapped_column(String(64), nullable=False, default="deepseek-chat")
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system_prompt: Mapped[str] = mapped_column(Text, nullable=False, default="You are a helpful assistant.")
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temperature: Mapped[float] = mapped_column(Float, default=0.7)
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max_tokens: Mapped[int] = mapped_column(Integer, default=2000)
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thinking_enabled: Mapped[bool] = mapped_column(Boolean, default=False)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=local_now, onupdate=local_now)
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# Relationships
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user: Mapped["User"] = relationship("User", back_populates="conversations")
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provider: Mapped[Optional["LLMProvider"]] = relationship("LLMProvider")
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messages: Mapped[List["Message"]] = relationship(
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"Message", back_populates="conversation", cascade="all, delete-orphan"
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)
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def to_dict(self):
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return {
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"id": self.id,
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"user_id": self.user_id,
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"provider_id": self.provider_id,
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"project_id": self.project_id,
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"title": self.title,
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"model": self.model,
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"system_prompt": self.system_prompt,
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"temperature": self.temperature,
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"max_tokens": self.max_tokens,
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"thinking_enabled": self.thinking_enabled,
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"created_at": self.created_at.isoformat() if self.created_at else None,
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"updated_at": self.updated_at.isoformat() if self.updated_at else None
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}
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class Message(Base):
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"""Message model
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content 字段统一使用 JSON 格式存储：
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**User 消息：**
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{
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"text": "用户输入的文本内容",
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"attachments": [
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{"name": "utils.py", "extension": "py", "content": "..."}
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]
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}
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**Assistant 消息：**
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{
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"steps": [ // 有序步骤，用于渲染（主要数据源）
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{"id": "step-0", "index": 0, "type": "thinking", "content": "..."},
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{"id": "step-1", "index": 1, "type": "text", "content": "..."},
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{"id": "step-2", "index": 2, "type": "tool_call", "id_ref": "call_xxx", "name": "...", "arguments": "..."},
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{"id": "step-3", "index": 3, "type": "tool_result", "id_ref": "call_xxx", "name": "...", "content": "..."}
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]
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}
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注意：to_dict() 返回时会从 steps 动态计算 text 和 content 字段。
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"""
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__tablename__ = "messages"
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id: Mapped[str] = mapped_column(String(64), primary_key=True)
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conversation_id: Mapped[str] = mapped_column(String(64), ForeignKey("conversations.id"), nullable=False)
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role: Mapped[str] = mapped_column(String(16), nullable=False) # user, assistant, system, tool
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content: Mapped[str] = mapped_column(Text, nullable=False, default="")
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token_count: Mapped[int] = mapped_column(Integer, default=0)
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usage: Mapped[Optional[str]] = mapped_column(Text, nullable=True) # JSON string for usage info
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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# Relationships
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conversation: Mapped["Conversation"] = relationship("Conversation", back_populates="messages")
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def to_dict(self):
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"""Convert to dictionary, extracting process_steps for frontend"""
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import json
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result = {
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"id": self.id,
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"conversation_id": self.conversation_id,
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"role": self.role,
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"token_count": self.token_count,
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"created_at": self.created_at.isoformat() if self.created_at else None
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}
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# Parse usage JSON
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if self.usage:
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try:
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result["usage"] = json.loads(self.usage)
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except json.JSONDecodeError:
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result["usage"] = None
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# Parse content JSON
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try:
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content_obj = json.loads(self.content) if self.content else {}
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except json.JSONDecodeError:
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# Legacy plain text content
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result["content"] = self.content
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result["text"] = self.content
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result["attachments"] = []
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result["process_steps"] = []
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return result
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# Extract steps as process_steps for frontend rendering
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steps = content_obj.get("steps", [])
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result["process_steps"] = steps
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# Extract text from steps (concatenate all text type steps)
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text_content = "".join(
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s.get("content", "") for s in steps
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if s.get("type") == "text"
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)
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result["text"] = text_content
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result["content"] = text_content # Alias for convenience
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# Extract attachments
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result["attachments"] = content_obj.get("attachments", [])
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return result
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