From b83e7bffc0291709512c4413c332c04aad9ffa2f Mon Sep 17 00:00:00 2001
From: worldmozara <worldmozara@163.com>
Date: Tue, 14 Jul 2026 22:11:25 +0800
Subject: [PATCH] core/agent: add ErrorEvent and CancelledEvent

---
 src/plyngent/agent/__init__.py |  2 ++
 src/plyngent/agent/events.py   | 18 +++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/plyngent/agent/__init__.py b/src/plyngent/agent/__init__.py
index 3b6fd6d..f3d9c50 100644
--- a/src/plyngent/agent/__init__.py
+++ b/src/plyngent/agent/__init__.py
@@ -2,6 +2,8 @@ from .chat import ChatAgent as ChatAgent
 from .client import ChatClient as ChatClient
 from .events import AgentEvent as AgentEvent
 from .events import AssistantMessageEvent as AssistantMessageEvent
+from .events import CancelledEvent as CancelledEvent
+from .events import ErrorEvent as ErrorEvent
 from .events import MaxRoundsEvent as MaxRoundsEvent
 from .events import TextDeltaEvent as TextDeltaEvent
 from .events import ToolCallEvent as ToolCallEvent
diff --git a/src/plyngent/agent/events.py b/src/plyngent/agent/events.py
index 41d2f4c..855accc 100644
--- a/src/plyngent/agent/events.py
+++ b/src/plyngent/agent/events.py
@@ -28,4 +28,20 @@ class MaxRoundsEvent(Struct, tag_field="type", tag="max_rounds"):
     continued: bool = False
 
 
-type AgentEvent = TextDeltaEvent | AssistantMessageEvent | ToolCallEvent | ToolResultEvent | MaxRoundsEvent
+class ErrorEvent(Struct, tag_field="type", tag="error"):
+    message: str
+
+
+class CancelledEvent(Struct, tag_field="type", tag="cancelled"):
+    pass
+
+
+type AgentEvent = (
+    TextDeltaEvent
+    | AssistantMessageEvent
+    | ToolCallEvent
+    | ToolResultEvent
+    | MaxRoundsEvent
+    | ErrorEvent
+    | CancelledEvent
+)