1

.vscode/settings.json

@@ -1,4 +1,5 @@
 {
   "python.languageServer": "None",
-  "python.analysis.extraPaths": ["${workspaceFolder}"]
+  "python.analysis.extraPaths": ["${workspaceFolder}"],
+  "python.REPL.enableREPLSmartSend": false
 }

agent/application/pages/conversation.py

@@ -24,7 +24,7 @@ def conversation_history_item(
 
     # 高亮
     is_highlight = (
-        item.id == ConversationState.is_conversation_history_item_popover_shown
+        item.id == ConversationState.popover_shown_conversation_history_item_id
     ) | (item.id == ConversationState.actived_conversation_id)
 
     return rx.list.item(
@@ -425,7 +425,7 @@ def tool_call(item: MessageHistoryItem) -> rx.Component:
     :return: Component
     """
     return rx.vstack(
-        # 工具调用的标题栏
+        # 标题栏
         rx.hstack(
             rx.icon(
                 "square-function",
@@ -444,7 +444,7 @@ def tool_call(item: MessageHistoryItem) -> rx.Component:
             margin_bottom="8px",
             line_height="22px",
         ),
-        # 工具调用的内容
+        # 内容
         rx.markdown(
             item.content,
             width="100%",
@@ -453,6 +453,54 @@ def tool_call(item: MessageHistoryItem) -> rx.Component:
             font_size="var(--prismui-font-size-1)",
             color="var(--prismui-color-3)",
         ),
+        # 审批
+        rx.cond(
+            item.has_approval,
+            rx.hstack(
+                rx.input(
+                    placeholder="请输入",
+                    # 值绑定审批用户提示词
+                    value=item.approval_user_prompt,
+                    # 值变化事件：设置审批用户提示词
+                    on_change=lambda user_prompt: ConversationState.set_approval_user_prompt(
+                        item.id, user_prompt
+                    ),
+                    flex=1,
+                    height="100%",
+                    padding="4px",
+                    border_radius="var(--prismui-border-radius-4)",
+                    line_height="16px",
+                    border="none !important",
+                ),
+                rx.button(
+                    "发送",
+                    # 点击事件：审批
+                    on_click=lambda: ConversationState.approve(item.id),
+                    # 是否禁用绑定验证码发送禁用状态
+                    disabled=AuthState.is_captcha_code_sending_button_disabled,
+                    margin="0 8px",
+                    background_color="var(--prismui-background-color-1)",
+                    line_height="16px",
+                    # 若验证码发送禁用状态为是则颜色设置为 color-4，否则设置为 color-5（主题色）
+                    color=rx.cond(
+                        AuthState.is_captcha_code_sending_button_disabled,
+                        "var(--prismui-color-4)",
+                        "var(--prismui-color-5)",
+                    ),
+                    cursor=rx.cond(
+                        AuthState.is_captcha_code_sending_button_disabled,
+                        "not-allowed",
+                        "pointer",
+                    ),
+                ),
+                width="100%",
+                height="45px",
+                align_items="center",
+                border="var(--prismui-border-1)",
+                border_radius="var(--prismui-border-radius-4)",
+            ),
+            rx.fragment(),
+        ),
     )
 
 
@@ -772,7 +820,7 @@ def user_prompt_sending() -> rx.Component:
                     # 不可点击状态：绑定用户提示词发送按钮不可点击状态
                     disabled=ConversationState.is_user_prompt_sending_button_disabled,
                     # 点击事件：运行
-                    on_click=ConversationState.run,
+                    on_click=lambda: ConversationState.run(),
                     display="inline-flex",
                     position="relative",
                     justify_content="center",

agent/application/states/conversation.py

@@ -4,7 +4,12 @@
 """
 from datetime import datetime
 from typing import AsyncGenerator, cast
-from pydantic_ai import DeferredToolRequests
+from pydantic_ai import (
+    DeferredToolRequests,
+    DeferredToolResults,
+    ToolApproved,
+    ToolDenied,
+)
 
 from pydantic_ai.messages import (
     FunctionToolCallEvent,
@@ -67,13 +72,13 @@ class ConversationState(rx.State):
 
     # 当前用户的会话字典
     conversations: dict[str, Conversation] = {}  # 键为会话唯一标识，值为会话实例
-    # 激活会话唯一标识
+    # 激活的会话唯一标识
     actived_conversation_id: str = ""
 
     # 显示会话历史，True 表示显示，False 表示隐藏
     is_conversation_history_shown: bool = False
-    # 会话历史项显示悬停气泡
+    # 悬停气泡显示的会话历史项唯一标识（一个会话只允许存在一个悬停气泡会话历史项）
-    is_conversation_history_item_popover_shown: str = ""
+    popover_shown_conversation_history_item_id: str = ""
 
     # 当前数据库状态（私有变量）
     # 私有变量：reflex 约定以 _ 开头的变量为私有变量，后端不序列化，前端不可使用
@@ -101,8 +106,8 @@ class ConversationState(rx.State):
 
         # 获取当前数据库状态
         db_state = await self.get_db_state()
-        # 获取当前用户的会话字典
+        # 查询当前用户的会话字典
-        self.conversations = await db_state.get_conversations(self.user_id)
+        self.conversations = await db_state.read_conversations(self.user_id)
         # 若当前用户的会话字典为空则先创建会话记录再添加会话实例
         if not self.conversations:
             self.conversations.update(
@@ -136,15 +141,13 @@ class ConversationState(rx.State):
 
     @rx.event
     def set_conversation_history_item_popover_shown(
-        self, conversation_id: str, is_shown: bool
+        self, item_id: str, is_shown: bool
     ) -> None:
         """
         设置会话历史项悬停气泡显示 / 隐藏
         :return: None
         """
-        self.is_conversation_history_item_popover_shown = (
+        self.popover_shown_conversation_history_item_id = item_id if is_shown else ""
-            conversation_id if is_shown else ""
-        )
 
     @rx.event
     async def delete_conversation(self, conversation_id: str) -> None:
@@ -188,10 +191,22 @@ class ConversationState(rx.State):
         conversation = self.conversations.get(self.actived_conversation_id)
         if not conversation:
             return []
-        return [
+        message_history: list[MessageHistoryItem] = []
-            MessageHistoryItem(**message.model_dump())
+        has_approval = False
-            for message in list(conversation.messages.values())
+        approval_user_prompt = ""
-        ]
+        for message in conversation.messages.values():
+            approval = message.approval
+            if isinstance(approval, Approval):
+                has_approval = True
+                approval_user_prompt = approval.user_prompt
+            message_history.append(
+                MessageHistoryItem(
+                    **message.model_dump(),
+                    has_approval=has_approval,
+                    approval_user_prompt=approval_user_prompt,
+                )
+            )
+        return message_history
 
     @rx.event
     async def create_conversation(self) -> None:
@@ -245,34 +260,16 @@ class ConversationState(rx.State):
             return True
         return conversation.is_running or not conversation.user_prompt
 
-    @rx.var
-    def is_running(self) -> bool:
-        """
-        当前会话正在运行
-        :return: 当前会话正在运行（True 表示正在运行，False 表示运行完成）
-        """
-        # 当前会话
-        conversation = self.conversations.get(self.actived_conversation_id)
-        if not conversation:
-            return False
-        return conversation.is_running
-
-    @rx.var
-    def awaiting_stream(self) -> bool:
-        """
-        当前会话正在等待流式输出
-        :return: 当前会话正在等待流式输出（True 表示等待流式输出，False 表示已开始流式输出或已完成）
-        """
-        # 当前会话
-        conversation = self.conversations.get(self.actived_conversation_id)
-        if not conversation:
-            return False
-        return conversation.awaiting_stream
-
     @rx.event
-    async def run(self) -> AsyncGenerator[None]:
+    async def run(
+        self,
+        approval: Approval | None = None,
+        deferred_tool_results: DeferredToolResults | None = None,
+    ) -> AsyncGenerator[None]:
         """
         运行
+        :param approval: 审批实例
+        :param deferred_tool_results: 延迟工具调用结果
         :return: AsyncGenerator
         """
         # 当前会话
@@ -280,6 +277,11 @@ class ConversationState(rx.State):
         if not conversation:
             return
 
+        # 获取数据库状态
+        db_state = await self.get_db_state()
+
+        # 无审批实例
+        if not approval:
             # 若用户提示词为空则直接返回
             if not conversation.user_prompt:
                 return
@@ -290,13 +292,6 @@ class ConversationState(rx.State):
             conversation.awaiting_stream = True
             yield  # 通知前端更新渲染
 
-        # 获取数据库状态
-        db_state = await self.get_db_state()
-        # 更新会话记录
-        await db_state.update_conversation_record(
-            conversation.id,
-            workflow=conversation.workflow,
-        )
             # 先创建消息记录再添加消息实例
             conversation.messages.update(
                 await db_state.create_message_record(
@@ -311,6 +306,15 @@ class ConversationState(rx.State):
             conversation.user_prompt = ""
             yield  # 通知前端更新渲染
 
+        # 有审批实例
+        else:
+            if not (user_prompt := approval.user_prompt):
+                return
+
+            # 将等待流式输出设置为是
+            conversation.awaiting_stream = True
+            yield  # 通知前端更新渲染
+
         # 初始化片段索引映射为消息实例唯一标识字典
         index_map_to_message_id: dict[int, str] = {}
         # 初始化工具调用片段工具名称映射为消息实例唯一标识字典
@@ -328,10 +332,11 @@ class ConversationState(rx.State):
                     stream_events = run_stream_events(
                         deps=conversation.workflow.deps,
                         user_prompt=user_prompt,
-                        message_history=await db_state.get_message_history(
+                        message_history=await db_state.read_message_history(
                             conversation_id=self.actived_conversation_id
                         ),
                         usage=conversation.usage,
+                        deferred_tool_results=deferred_tool_results,
                     )
         else:
             from application.workshop.talk import (
@@ -341,7 +346,7 @@ class ConversationState(rx.State):
             # 运行并流式输出事件
             stream_events = run_stream_events(
                 user_prompt=user_prompt,
-                message_history=await db_state.get_message_history(
+                message_history=await db_state.read_message_history(
                     conversation_id=self.actived_conversation_id
                 ),
                 usage=conversation.usage,
@@ -469,15 +474,17 @@ class ConversationState(rx.State):
 
                 # ========== 智能体运行结果事件 ==========
                 case AgentRunResultEvent(result=result):
-                    if isinstance(result.output, DeferredToolRequests):
+                    if isinstance(output := result.output, DeferredToolRequests):
-                        for approval in result.output.approvals:
+                        for approval_ in output.approvals:
                             # 获取消息实例
                             message = conversation.messages[
-                                tool_name_map_to_message_id[approval.tool_name]
+                                tool_name_map_to_message_id[approval_.tool_name]
                             ]
+                            message.content = output.metadata[
+                                tool_call_id := approval_.tool_call_id
+                            ]["content"]
                             message.approval = Approval(
-                                tool_call_id=approval.tool_call_id,
+                                tool_call_id=tool_call_id,
-                                interaction_type=approval.interaction_type,
                             )
                             messages.append(message)
                     else:
@@ -499,7 +506,7 @@ class ConversationState(rx.State):
                         )
 
                     self.conversations[self.actived_conversation_id] = conversation
-                    yield
+                    yield  # 通知前端更新渲染
 
                     # 批量创建消息记录
                     await db_state.create_message_records(
@@ -507,6 +514,88 @@ class ConversationState(rx.State):
                         messages=messages,
                     )
 
+    @rx.var
+    def is_running(self) -> bool:
+        """
+        当前会话正在运行
+        :return: 当前会话正在运行（True 表示正在运行，False 表示运行完成）
+        """
+        # 当前会话
+        conversation = self.conversations.get(self.actived_conversation_id)
+        if not conversation:
+            return False
+        return conversation.is_running
+
+    @rx.var
+    def awaiting_stream(self) -> bool:
+        """
+        当前会话正在等待流式输出
+        :return: 当前会话正在等待流式输出（True 表示等待流式输出，False 表示已开始流式输出或已完成）
+        """
+        # 当前会话
+        conversation = self.conversations.get(self.actived_conversation_id)
+        if not conversation:
+            return False
+        return conversation.awaiting_stream
+
+    @rx.event
+    def toggle_message_history_item_shown(self, item_id: str) -> None:
+        """
+        展示 / 隐藏消息历史项
+        """
+        # 当前会话
+        conversation = self.conversations.get(self.actived_conversation_id)
+        if not conversation:
+            return
+        conversation.messages[item_id].is_shown ^= True
+
+    @rx.event
+    def set_approval_user_prompt(self, item_id: str, user_prompt: str) -> None:
+        """
+        设置审批用户提示词
+        :param item_id: 消息历史项唯一标识
+        :param user_prompt: 用户提示词
+        """
+        # 当前会话
+        conversation = self.conversations.get(self.actived_conversation_id)
+        if not conversation:
+            return
+        # 获取消息实例
+        message = conversation.messages.get(item_id)
+        if not message or not isinstance(message.approval, Approval):
+            return
+        message.approval.user_prompt = user_prompt
+
+    @rx.event
+    async def approve(self, item_id: str, result: bool) -> None:
+        """
+        审批消息历史项
+        :param item_id: 消息历史项唯一标识
+        :param result: 审批结果（True 表示审批通过，False 表示审批拒绝）
+        """
+        # 当前会话
+        conversation = self.conversations.get(self.actived_conversation_id)
+        if not conversation:
+            return
+
+        # 获取审批实例
+        if not (message := conversation.messages.get(item_id)) or not isinstance(
+            approval := message.approval, Approval
+        ):
+            return
+
+        # 更新审批结果
+        approval.result = result
+        # 运行
+        await self.run(
+            approval,
+            DeferredToolResults(
+                approvals={
+                    approval.tool_call_id: ToolApproved() if result else ToolDenied()
+                }
+            ),
+        )
+
     @rx.event
     async def set_workflow(self, type: WorkflowType) -> None:
         """
@@ -529,14 +618,10 @@ class ConversationState(rx.State):
                 )
 
         conversation.workflow = workflow
-
+        # 获取数据库状态
-    @rx.event
+        db_state = await self.get_db_state()
-    def toggle_message_history_item_shown(self, message_id: str) -> None:
+        # 更新会话记录
-        """
+        await db_state.update_conversation_record(
-        展示 / 隐藏消息历史项
+            conversation.id,
-        """
+            workflow=conversation.workflow,
-        # 当前会话
+        )
-        conversation = self.conversations.get(self.actived_conversation_id)
-        if not conversation:
-            return
-        conversation.messages[message_id].is_shown ^= True

agent/application/states/database.py

@@ -19,6 +19,8 @@ from application.states.models import (
     usage_validate_json,
     workflow_dump_json,
     workflow_validate_json,
+    approval_dump_json,
+    approval_validate_json,
 )
 
 
@@ -101,7 +103,7 @@ class RunRecord(SQLModel, table=True):
         description="运行唯一标识",
     )
     conversation_id: str = Field(..., index=True, description="会话唯一标识")
-    new_messages: str = Field(default="", sa_type=JSON, description="新增消息")
+    new_messages: str = Field(..., description="新增消息")
 
 
 class MessageRecord(SQLModel, table=True):
@@ -118,6 +120,9 @@ class MessageRecord(SQLModel, table=True):
     type: MessageType = Field(..., description="消息类型")
     title: str = Field(default="", description="消息标题")
     content: str = Field(default="", description="消息内容")
+    approval: str = Field(
+        default="", description="审批"
+    )  # 原则上嵌套列表或字典若不涉及查询则以字符串储存
 
 
 class DatabaseState(rx.State):
@@ -197,9 +202,31 @@ class DatabaseState(rx.State):
             await session.refresh(record)
             return record.id
 
-    async def get_conversations(self, user_id: str) -> dict[str, Conversation]:
+    async def create_conversation_record(self, user_id: str) -> dict[str, Conversation]:
         """
-        获取当前用户的会话字典
+        创建会话记录
+        :param user_id: 用户唯一标识
+        :return: 会话实例
+        """
+        async with rx.asession() as session:
+            record = ConversationRecord(user_id=user_id)
+            session.add(record)
+            await session.commit()
+            await session.refresh(record)
+        return {
+            record.id: Conversation(
+                id=record.id,
+                description=record.description,
+                usage=usage_validate_json(
+                    record.usage
+                ),  # 将 record.usage 由 JSON 字符串反序列化为 RunUsage
+                created_at=record.created_at,
+            )
+        }
+
+    async def read_conversations(self, user_id: str) -> dict[str, Conversation]:
+        """
+        查询当前用户的会话字典
         :param user_id: 用户唯一标识
         :return: 当前用户的会话字典
         """
@@ -241,33 +268,11 @@ class DatabaseState(rx.State):
                         type=message_record.type,
                         title=message_record.title,
                         content=message_record.content,
+                        approval=approval_validate_json(message_record.approval),
                     ),
                 )
         return conversations
 
-    async def create_conversation_record(self, user_id: str) -> dict[str, Conversation]:
-        """
-        创建会话记录
-        :param user_id: 用户唯一标识
-        :return: 会话实例
-        """
-        async with rx.asession() as session:
-            record = ConversationRecord(user_id=user_id)
-            session.add(record)
-            await session.commit()
-            await session.refresh(record)
-        return {
-            record.id: Conversation(
-                id=record.id,
-                description=record.description,
-                usage=usage_validate_json(
-                    record.usage
-                ),  # 将 record.usage 由 JSON 字符串反序列化为 RunUsage
-                messages={},  # 新会话默认消息字典为空
-                created_at=record.created_at,
-            )
-        }
-
     async def update_conversation_record(
         self,
         conversation_id: str,
@@ -321,6 +326,7 @@ class DatabaseState(rx.State):
                 type=message.type,
                 title=message.title,
                 content=message.content,
+                approval=approval_dump_json(message.approval),
             )
             session.add(record)
             await session.commit()
@@ -335,8 +341,8 @@ class DatabaseState(rx.State):
         """
         创建消息记录
         :param conversation_id: 会话唯一标识
-        :param message: 消息实例
+        :param messages: 消息实例列表
-        :return: 消息实例
+        :return: None
         """
         async with rx.asession() as session:
             for message in messages:
@@ -346,13 +352,14 @@ class DatabaseState(rx.State):
                     type=message.type,
                     title=message.title,
                     content=message.content,
+                    approval=approval_dump_json(message.approval),
                 )
                 session.add(record)
             await session.commit()
 
-    async def get_message_history(self, conversation_id: str) -> list[ModelMessage]:
+    async def read_message_history(self, conversation_id: str) -> list[ModelMessage]:
         """
-        获取消息历史列表
+        查询消息历史列表
         :param conversation_id: 会话唯一标识
         :return: 消息历史
         """

agent/application/states/models.py

@@ -19,23 +19,6 @@ class NoResult(BaseModel):
     ...
 
 
-class InteractionType(StrEnum):
-    """
-    交互类型枚举
-    """
-
-    INPUT = "input"
-
-
-class Approval(BaseModel):
-    """
-    审批类
-    """
-
-    tool_call_id: str = Field(..., description="工具调用唯一标识")
-    interaction_type: InteractionType = Field(..., description="交互类型")
-
-
 class MessageType(StrEnum):
     """
     消息类型枚举
@@ -47,6 +30,19 @@ class MessageType(StrEnum):
     TEXT = "text"
 
 
+class Approval(BaseModel):
+    """
+    审批类
+    """
+
+    tool_call_id: str = Field(..., description="工具调用唯一标识")
+    user_prompt: str = Field(default="", description="用户提示词")
+    result: bool | None = Field(
+        default=None,
+        description="审批结果，True 表示审批通过，False 表示审批拒绝，None 表示待审批",
+    )
+
+
 class Message(BaseModel):
     """
     消息类
@@ -118,6 +114,9 @@ class MessageHistoryItem(Message):
     消息历史项类
     """
 
+    has_approval: bool = Field(default=False, description="包含审批实例")
+    approval_user_prompt: str = Field(default="", description="审批用户提示词")
+
 
 # 工作流适配器
 WorkflowAdapter = TypeAdapter(Any)
@@ -161,3 +160,27 @@ def usage_dump_json(usage: RunUsage) -> str:
     :return: 字符串
     """
     return UsageAdapter.dump_json(usage).decode("utf-8")
+
+
+# 审批适配器
+ApprovalAdapter = TypeAdapter(Approval)
+
+
+def approval_validate_json(approval: str) -> Approval | None:
+    """
+    将审批反序列化
+    """
+    if not approval:
+        return None
+    return ApprovalAdapter.validate_json(approval)
+
+
+def approval_dump_json(approval: Approval | None) -> str:
+    """
+    将审批序列化
+    :param approval: 审批
+    :return: 字符串
+    """
+    if approval is None:
+        return ""
+    return ApprovalAdapter.dump_json(approval).decode("utf-8")

agent/application/workshop/book_flight.py

@@ -28,7 +28,6 @@ from pydantic_ai.run import AgentRunResult, AgentRunResultEvent
 
 from application.states.models import (
     NoResult,
-    InteractionType,
     Approval,
 )
 from application.workshop.models import (
@@ -207,7 +206,6 @@ async def search_flights(ctx: RunContext[Deps]) -> list[Flight]:
 
 @agent.tool(
     name="预定航班",
-    requires_approval=True,
 )
 async def book_flight(ctx: RunContext[Deps]) -> Flight | NoResult:
     """
@@ -216,6 +214,9 @@ async def book_flight(ctx: RunContext[Deps]) -> Flight | NoResult:
     if (searched_flights := ctx.deps.searched_flights) is None:
         raise ModelRetry("必须先使用 search_flights 查询航班")
 
+    if not ctx.tool_call_approved:
+        raise ApprovalRequired(metadata={"content": "您要预定哪班航班？"})
+
     # 提取到的航班号
     extracted_flight_number = (
         await extraction_flight_number_agent.run(
@@ -298,6 +299,7 @@ async def run_stream_events(
         deferred_tool_results=deferred_tool_results,
     ) as events:
         async for event in events:
+            print(event)
             match event:
                 case PartStartEvent(
                     part=part,