feat(workflow): 工作流提供方 - 集成 RunningHub 与 ComfyUI Bridge

web/src/lib/canvas/canvas-workflow.ts

@@ -0,0 +1,19 @@
+import type { CanvasNodeMetadata } from "@/types/canvas";
+
+export type CanvasWorkflowProvider = "model" | "runninghub" | "comfyui";
+
+/**
+ * 统一解析画布节点的工作流渠道；旧节点可能没有 workflowProvider，
+ * 但已经保存了具体工作流 ID，此时不能退回普通模型的首尾帧逻辑。
+ */
+export function resolveCanvasWorkflowProvider(metadata?: CanvasNodeMetadata): CanvasWorkflowProvider {
+    if (metadata?.workflowProvider) return metadata.workflowProvider;
+    if (metadata?.runningHubWorkflowId?.trim()) return "runninghub";
+    if (metadata?.comfyBridgeWorkflowId?.trim()) return "comfyui";
+    return "model";
+}
+
+export function isCanvasWorkflowProvider(metadata?: CanvasNodeMetadata) {
+    const provider = resolveCanvasWorkflowProvider(metadata);
+    return provider === "runninghub" || provider === "comfyui";
+}