refactor(graph_engine): rename Layer to GraphEngineLayer

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

api/core/workflow/graph_engine/event_management/event_manager.py

@@ -9,7 +9,7 @@ from typing import final
 
 from core.workflow.graph_events import GraphEngineEvent
 
-from ..layers.base import Layer
+from ..layers.base import GraphEngineLayer
 
 
 @final
@@ -104,10 +104,10 @@ class EventManager:
         """Initialize the event manager."""
         self._events: list[GraphEngineEvent] = []
         self._lock = ReadWriteLock()
-        self._layers: list[Layer] = []
+        self._layers: list[GraphEngineLayer] = []
         self._execution_complete = threading.Event()
 
-    def set_layers(self, layers: list[Layer]) -> None:
+    def set_layers(self, layers: list[GraphEngineLayer]) -> None:
         """
         Set the layers to notify on event collection.
 

api/core/workflow/graph_engine/graph_engine.py

@@ -33,7 +33,7 @@ from .entities.commands import AbortCommand
 from .error_handling import ErrorHandler
 from .event_management import EventHandler, EventManager
 from .graph_traversal import EdgeProcessor, SkipPropagator
-from .layers.base import Layer
+from .layers.base import GraphEngineLayer
 from .orchestration import Dispatcher, ExecutionCoordinator
 from .protocols.command_channel import CommandChannel
 from .response_coordinator import ResponseStreamCoordinator
@@ -221,7 +221,7 @@ class GraphEngine:
 
         # === Extensibility ===
         # Layers allow plugins to extend engine functionality
-        self._layers: list[Layer] = []
+        self._layers: list[GraphEngineLayer] = []
 
         # === Validation ===
         # Ensure all nodes share the same GraphRuntimeState instance
@@ -234,7 +234,7 @@ class GraphEngine:
             if id(node.graph_runtime_state) != expected_state_id:
                 raise ValueError(f"GraphRuntimeState consistency violation: Node '{node.id}' has a different instance")
 
-    def layer(self, layer: Layer) -> "GraphEngine":
+    def layer(self, layer: GraphEngineLayer) -> "GraphEngine":
         """Add a layer for extending functionality."""
         self._layers.append(layer)
         return self

api/core/workflow/graph_engine/layers/__init__.py

@@ -5,12 +5,12 @@ This module provides the layer infrastructure for extending GraphEngine function
 with middleware-like components that can observe events and interact with execution.
 """
 
-from .base import Layer
+from .base import GraphEngineLayer
 from .debug_logging import DebugLoggingLayer
 from .execution_limits import ExecutionLimitsLayer
 
 __all__ = [
     "DebugLoggingLayer",
     "ExecutionLimitsLayer",
-    "Layer",
+    "GraphEngineLayer",
 ]

api/core/workflow/graph_engine/layers/base.py

@@ -12,7 +12,7 @@ from core.workflow.graph_engine.protocols.command_channel import CommandChannel
 from core.workflow.graph_events import GraphEngineEvent
 
 
-class Layer(ABC):
+class GraphEngineLayer(ABC):
     """
     Abstract base class for GraphEngine layers.
 

api/core/workflow/graph_engine/layers/debug_logging.py

@@ -33,11 +33,11 @@ from core.workflow.graph_events import (
     NodeRunSucceededEvent,
 )
 
-from .base import Layer
+from .base import GraphEngineLayer
 
 
 @final
-class DebugLoggingLayer(Layer):
+class DebugLoggingLayer(GraphEngineLayer):
     """
     A layer that provides comprehensive logging of GraphEngine execution.
 

api/core/workflow/graph_engine/layers/execution_limits.py

@@ -16,7 +16,7 @@ from typing import final
 from typing_extensions import override
 
 from core.workflow.graph_engine.entities.commands import AbortCommand, CommandType
-from core.workflow.graph_engine.layers import Layer
+from core.workflow.graph_engine.layers import GraphEngineLayer
 from core.workflow.graph_events import (
     GraphEngineEvent,
     NodeRunStartedEvent,
@@ -32,7 +32,7 @@ class LimitType(Enum):
 
 
 @final
-class ExecutionLimitsLayer(Layer):
+class ExecutionLimitsLayer(GraphEngineLayer):
     """
     Layer that enforces execution limits for workflows.