后端没修完版

src/langbot/pkg/workflow/nodes/parallel.py

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+"""Parallel Node - execute multiple branches simultaneously"""
+
+from __future__ import annotations
+
+from typing import Any, ClassVar
+
+from ..entities import ExecutionContext
+from ..node import WorkflowNode, workflow_node, NodePort, NodeConfig
+
+
+@workflow_node('parallel')
+class ParallelNode(WorkflowNode):
+    """Parallel node - execute multiple branches simultaneously"""
+
+    type_name = "parallel"
+    category = "control"
+    icon = "⚡"
+    name = "parallel"
+    name_zh = "并行执行"
+    name_en = "Parallel"
+    description = "parallel"
+    description_zh = "并行执行多个分支"
+    description_en = "Execute multiple branches in parallel"
+
+    inputs: ClassVar[list[NodePort]] = [
+        NodePort(name="input", type="any", description="Input data for all branches", required=False),
+    ]
+    outputs: ClassVar[list[NodePort]] = [
+        NodePort(name="results", type="object", description="Combined results from all branches"),
+        NodePort(name="errors", type="array", description="Errors from branches (if any)"),
+    ]
+    config_schema: ClassVar[list[NodeConfig]] = [
+        NodeConfig(
+            name="wait_all", type="boolean", required=False, default=True,
+            description="Wait for all branches to complete",
+            label={"en_US": "Wait for All", "zh_Hans": "等待全部完成"},
+        ),
+        NodeConfig(
+            name="fail_fast", type="boolean", required=False, default=False,
+            description="Stop all branches if any fails",
+            label={"en_US": "Fail Fast", "zh_Hans": "快速失败"},
+        ),
+    ]
+
+    async def execute(self, inputs: dict[str, Any], context: ExecutionContext) -> dict[str, Any]:
+        return {
+            "results": {},
+            "errors": [],
+        }