refactor: 简化 AgentScope 运行时模块与 prompt 系统

backend/src/core/agentscope/events/pipeline.py

@@ -1,6 +1,13 @@
 from __future__ import annotations
 
-from typing import Any, Protocol
+from typing import TYPE_CHECKING, Any, Protocol, TypeVar
+
+from ag_ui.core import BaseEvent
+
+if TYPE_CHECKING:
+    pass
+
+T = TypeVar("T", bound=BaseEvent)
 
 
 class CodecLike(Protocol):
@@ -15,6 +22,16 @@ class BusLike(Protocol):
     async def publish(self, *, session_id: str, event: dict[str, Any]) -> str: ...
 
 
+def is_base_event(event: Any) -> bool:
+    return isinstance(event, BaseEvent)
+
+
+def to_dict(event: BaseEvent | dict[str, Any]) -> dict[str, Any]:
+    if isinstance(event, BaseEvent):
+        return event.model_dump(by_alias=True, exclude_none=True)
+    return event
+
+
 class AgentScopeEventPipeline:
     _codec: CodecLike
     _store: StoreLike
@@ -25,7 +42,13 @@ class AgentScopeEventPipeline:
         self._store = store
         self._bus = bus
 
-    async def emit(self, *, session_id: str, event: dict[str, Any]) -> str:
-        wire_event = self._codec.to_wire(event)
+    async def emit(
+        self,
+        *,
+        session_id: str,
+        event: "BaseEvent | dict[str, Any]",
+    ) -> str:
+        event_dict = to_dict(event)
+        wire_event = self._codec.to_wire(event_dict)
         await self._store.persist(wire_event)
         return await self._bus.publish(session_id=session_id, event=wire_event)