sim/apps/sim/executor/execution/snapshot.ts

import type { ExecutionMetadata, SerializableExecutionState } from '@/executor/execution/types'

export class ExecutionSnapshot {
  constructor(
    public readonly metadata: ExecutionMetadata,
    public readonly workflow: any,
    public readonly input: any,
    public readonly workflowVariables: Record<string, any>,
    public readonly selectedOutputs: string[] = [],
    public readonly state?: SerializableExecutionState
  ) {}

  toJSON(): string {
    return JSON.stringify({
      metadata: this.metadata,
      workflow: this.workflow,
      input: this.input,
      workflowVariables: this.workflowVariables,
      selectedOutputs: this.selectedOutputs,
      state: this.state,
    })
  }

  static fromJSON(json: string): ExecutionSnapshot {
    const data = JSON.parse(json)
    return new ExecutionSnapshot(
      data.metadata,
      data.workflow,
      data.input,
      data.workflowVariables,
      data.selectedOutputs,
      data.state
    )
  }
}