feat: Add base project structure with API and web components

api/app/schemas/conversation_schema.py

@@ -0,0 +1,86 @@
+"""会话和消息相关的 Schema"""
+import uuid
+import datetime
+from typing import Optional, Dict, Any, List
+from pydantic import BaseModel, Field, ConfigDict, field_serializer
+
+
+# ---------- Input Schemas ----------
+
+class ConversationCreate(BaseModel):
+    """创建会话请求"""
+    title: Optional[str] = Field(None, max_length=255, description="会话标题")
+    user_id: Optional[str] = Field(None, description="用户ID（外部系统）")
+
+
+class MessageCreate(BaseModel):
+    """创建消息请求"""
+    content: str = Field(..., description="消息内容")
+    variables: Optional[Dict[str, Any]] = Field(None, description="变量参数")
+
+
+class ChatRequest(BaseModel):
+    """聊天请求（基于 share_token）"""
+    message: str = Field(..., description="用户消息")
+    conversation_id: Optional[uuid.UUID] = Field(None, description="会话ID（多轮对话）")
+    user_id: Optional[str] = Field(None, description="用户ID（外部系统）")
+    variables: Optional[Dict[str, Any]] = Field(None, description="变量参数")
+    stream: bool = Field(default=False, description="是否流式返回")
+    web_search: bool = Field(default=False, description="是否启用网络搜索")
+    memory: bool = Field(default=True, description="是否启用记忆功能")
+
+
+# ---------- Output Schemas ----------
+
+class Message(BaseModel):
+    """消息输出"""
+    model_config = ConfigDict(from_attributes=True)
+    
+    id: uuid.UUID
+    conversation_id: uuid.UUID
+    role: str
+    content: str
+    meta_data: Optional[Dict[str, Any]] = None
+    created_at: datetime.datetime
+    
+    @field_serializer("created_at", when_used="json")
+    def _serialize_created_at(self, dt: datetime.datetime):
+        return int(dt.timestamp() * 1000) if dt else None
+
+
+class Conversation(BaseModel):
+    """会话输出"""
+    model_config = ConfigDict(from_attributes=True)
+    
+    id: uuid.UUID
+    app_id: uuid.UUID
+    workspace_id: uuid.UUID
+    user_id: Optional[str] = None
+    title: Optional[str] = None
+    summary: Optional[str] = None
+    is_draft: bool
+    message_count: int
+    is_active: bool
+    created_at: datetime.datetime
+    updated_at: datetime.datetime
+    
+    @field_serializer("created_at", when_used="json")
+    def _serialize_created_at(self, dt: datetime.datetime):
+        return int(dt.timestamp() * 1000) if dt else None
+    
+    @field_serializer("updated_at", when_used="json")
+    def _serialize_updated_at(self, dt: datetime.datetime):
+        return int(dt.timestamp() * 1000) if dt else None
+
+
+class ConversationWithMessages(Conversation):
+    """会话详情（包含消息列表）"""
+    messages: List[Message] = []
+
+
+class ChatResponse(BaseModel):
+    """聊天响应（非流式）"""
+    conversation_id: uuid.UUID
+    message: str
+    usage: Optional[Dict[str, Any]] = None
+    elapsed_time: Optional[float] = None