refactor(iteration_node): use Sequence and Mapping in parameters (#11483)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/core/workflow/graph_engine/entities/event.py

@@ -1,3 +1,4 @@
+from collections.abc import Mapping
 from datetime import datetime
 from typing import Any, Optional
 
@@ -140,8 +141,8 @@ class BaseIterationEvent(GraphEngineEvent):
 
 class IterationRunStartedEvent(BaseIterationEvent):
     start_at: datetime = Field(..., description="start at")
-    inputs: Optional[dict[str, Any]] = None
-    metadata: Optional[dict[str, Any]] = None
+    inputs: Optional[Mapping[str, Any]] = None
+    metadata: Optional[Mapping[str, Any]] = None
     predecessor_node_id: Optional[str] = None
 
 
@@ -153,18 +154,18 @@ class IterationRunNextEvent(BaseIterationEvent):
 
 class IterationRunSucceededEvent(BaseIterationEvent):
     start_at: datetime = Field(..., description="start at")
-    inputs: Optional[dict[str, Any]] = None
-    outputs: Optional[dict[str, Any]] = None
-    metadata: Optional[dict[str, Any]] = None
+    inputs: Optional[Mapping[str, Any]] = None
+    outputs: Optional[Mapping[str, Any]] = None
+    metadata: Optional[Mapping[str, Any]] = None
     steps: int = 0
     iteration_duration_map: Optional[dict[str, float]] = None
 
 
 class IterationRunFailedEvent(BaseIterationEvent):
     start_at: datetime = Field(..., description="start at")
-    inputs: Optional[dict[str, Any]] = None
-    outputs: Optional[dict[str, Any]] = None
-    metadata: Optional[dict[str, Any]] = None
+    inputs: Optional[Mapping[str, Any]] = None
+    outputs: Optional[Mapping[str, Any]] = None
+    metadata: Optional[Mapping[str, Any]] = None
     steps: int = 0
     error: str = Field(..., description="failed reason")