feat：添加图表数据

app/schemas/actions/__init__.py

@@ -1,8 +1,8 @@
 """动作类型统一入口，新增操作时在这里显式加入联合类型"""
 
-from typing import Annotated
+from typing import Annotated, Self
 
-from pydantic import Field, TypeAdapter
+from pydantic import Field, TypeAdapter, model_validator
 
 from .add import AddAction
 from .base import ActionModel, BaseAction
@@ -22,6 +22,16 @@ action_adapter = TypeAdapter(Action)
 
 class ActionBatch(ActionModel):
     actions: list[Action] = Field(description="按数组顺序执行的动作列表，允许为空")
+    unsupported_reason: str | None = Field(
+        default=None,
+        description="需求中有任何部分无法用现有动作或查到的字段完成时，说明缺少什么能力，此时 actions 为空；能完成时为 null",
+    )
+
+    @model_validator(mode="after")
+    def unsupported_has_no_actions(self) -> Self:
+        if self.unsupported_reason and self.actions:
+            raise ValueError("填写 unsupported_reason 时 actions 必须为空，不能只执行需求的一部分")
+        return self
 
 
 __all__ = [

app/schemas/agent.py

@@ -21,6 +21,5 @@ class AgentResult(BaseModel):
     message_id: str  # 本次用户输入的 ID，不是助手回复 ID
     status: Literal["completed", "waiting_for_input", "failed", "cancelled"]
     actions: list[Action] = Field(default_factory=list)
-    answer: str | None = None
+    answer: str | None = None  # 回答，或失败时由模型总结的原因说明
     clarification: Clarification | None = None
-    failure_reason: str | None = None

app/schemas/capabilities.py

@@ -20,6 +20,3 @@ RESOURCE_QUERY_SUPPORTED = False
 RESOURCE_FALLBACK_ASSUMPTION = (
     "尚未接入物料目录之外的资源查询，所需内容使用物料默认配置和示例数据"
 )
-
-# 面向用户的失败说明，不暴露内部校验术语
-USER_FAILURE_MESSAGE = "抱歉，这次没能完成修改，请换个说法或稍后再试"