feat: extract model runtime

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

api/dify_graph/nodes/runtime.py

@@ -0,0 +1,75 @@
+from __future__ import annotations
+
+from collections.abc import Generator, Mapping, Sequence
+from typing import TYPE_CHECKING, Any, Protocol
+
+from dify_graph.model_runtime.entities.llm_entities import LLMUsage
+from dify_graph.nodes.tool_runtime_entities import (
+    ToolRuntimeHandle,
+    ToolRuntimeMessage,
+    ToolRuntimeParameter,
+)
+
+if TYPE_CHECKING:
+    from dify_graph.nodes.human_input.entities import DeliveryChannelConfig
+    from dify_graph.nodes.tool.entities import ToolNodeData
+    from dify_graph.runtime import VariablePool
+
+
+class ToolNodeRuntimeProtocol(Protocol):
+    """Workflow-layer adapter owned by `core.workflow` and consumed by `dify_graph`.
+
+    The graph package depends only on these DTOs and lets the workflow layer
+    translate between graph-owned abstractions and `core.tools` internals.
+    """
+
+    def get_runtime(
+        self,
+        *,
+        node_id: str,
+        node_data: ToolNodeData,
+        variable_pool: VariablePool | None,
+    ) -> ToolRuntimeHandle: ...
+
+    def get_runtime_parameters(
+        self,
+        *,
+        tool_runtime: ToolRuntimeHandle,
+    ) -> Sequence[ToolRuntimeParameter]: ...
+
+    def invoke(
+        self,
+        *,
+        tool_runtime: ToolRuntimeHandle,
+        tool_parameters: Mapping[str, Any],
+        workflow_call_depth: int,
+        conversation_id: str | None,
+        provider_name: str,
+    ) -> Generator[ToolRuntimeMessage, None, None]: ...
+
+    def get_usage(
+        self,
+        *,
+        tool_runtime: ToolRuntimeHandle,
+    ) -> LLMUsage: ...
+
+    def build_file_reference(self, *, mapping: Mapping[str, Any]) -> Any: ...
+
+    def resolve_provider_icons(
+        self,
+        *,
+        provider_name: str,
+        default_icon: str | None = None,
+    ) -> tuple[str | None, str | None]: ...
+
+
+class HumanInputNodeRuntimeProtocol(Protocol):
+    def invoke_source(self) -> str: ...
+
+    def apply_delivery_runtime(
+        self,
+        *,
+        methods: Sequence[DeliveryChannelConfig],
+    ) -> Sequence[DeliveryChannelConfig]: ...
+
+    def console_actor_id(self) -> str | None: ...