From 4725cef5383a36173ec0201bbdecac4e97a6c5a2 Mon Sep 17 00:00:00 2001
From: Marcus <1922576605@qq.com>
Date: Sat, 26 Sep 2026 12:53:20 +0800
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---
 app/actions/delete.py         | 12 ++++++++++++
 app/schemas/actions/delete.py |  9 +++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 app/actions/delete.py
 create mode 100644 app/schemas/actions/delete.py

diff --git a/app/actions/delete.py b/app/actions/delete.py
new file mode 100644
index 0000000..87cad4c
--- /dev/null
+++ b/app/actions/delete.py
@@ -0,0 +1,12 @@
+"""在大屏 JSON 副本上删除组件，用于后端校验，不删除共享数据源"""
+
+from app.actions.base import BaseActionHandler
+from app.schemas.actions import DeleteAction
+from app.schemas.screen import Screen
+
+
+class DeleteHandler(BaseActionHandler[DeleteAction]):
+    def apply(self, screen: Screen, action: DeleteAction) -> Screen:
+        result, target = self.copy_target(screen, action.target_id)
+        result.nodes = [node for node in result.nodes if node.id != target.id]
+        return result
diff --git a/app/schemas/actions/delete.py b/app/schemas/actions/delete.py
new file mode 100644
index 0000000..d8718f3
--- /dev/null
+++ b/app/schemas/actions/delete.py
@@ -0,0 +1,9 @@
+"""删除指定的已有组件"""
+
+from typing import Literal
+
+from .base import BaseAction
+
+
+class DeleteAction(BaseAction):
+    type: Literal["delete"] = "delete"