feat(agent): 画布 Agent - 重构工作流上下文与技能交互

canvas-agent/src/types.ts

@@ -3,6 +3,6 @@ export type Viewport = { x: number; y: number; k: number };
 export type CanvasNodeType = "image" | "text" | "script" | "config" | "video" | "audio" | "frame";
 export type CanvasNode = { id: string; type: CanvasNodeType; title?: string; position: Position; width: number; height: number; parentId?: string; metadata?: Record<string, unknown> };
 export type CanvasConnection = { id: string; fromNodeId: string; toNodeId: string; fromHandleId?: string; toHandleId?: string };
-export type CanvasSnapshot = { projectId?: string; domainProjectId?: string; title?: string; nodes?: CanvasNode[]; connections?: CanvasConnection[]; selectedNodeIds?: string[]; viewport?: Viewport; clientId?: string };
+export type CanvasSnapshot = { projectId?: string; domainProjectId?: string; title?: string; nodes?: CanvasNode[]; connections?: CanvasConnection[]; selectedNodeIds?: string[]; viewport?: Viewport; clientId?: string; revision?: number };
 export type AgentEmit = (type: string, payload: unknown) => void;
 export type AgentAttachment = { name?: string; type?: string; dataUrl?: string };