fix(runtime): avoid creating Star instance in on_error fallback

src/astrbot_sdk/runtime/handler_dispatcher.py

@@ -978,7 +978,7 @@ class HandlerDispatcher:
                 if inspect.isawaitable(result):
                     await result
             return
-        await Star().on_error(exc, event, ctx)
+        await Star.default_on_error(exc, event, ctx)
 
 
 __all__ = ["CapabilityDispatcher", "HandlerDispatcher"]

src/astrbot_sdk/star.py

@@ -102,7 +102,9 @@ class Star(PluginKVStoreMixin):
             options=options,
         )
 
-    async def on_error(self, error: Exception, event, ctx) -> None:
+    @staticmethod
+    async def default_on_error(error: Exception, event, ctx) -> None:
+        del ctx
         if isinstance(error, AstrBotError):
             lines: list[str] = []
             if error.retryable:
@@ -122,6 +124,9 @@ class Star(PluginKVStoreMixin):
             await event.reply("出了点问题，请联系插件作者")
         logger.error("handler 执行失败\n{}", traceback.format_exc())
 
+    async def on_error(self, error: Exception, event, ctx) -> None:
+        await self.default_on_error(error, event, ctx)
+
     @classmethod
     def __astrbot_is_new_star__(cls) -> bool:
         return True