Check the status and generation progress of a site.
Returns detailed progress information including:
- stage: Current step (initialization, validation, research, strategy, generation, assembly, completion)
- overallProgress: Total progress 0-100 across all stages (use this for progress bars)
- stageProgress: Progress within current stage 0-100
- message: Human-readable status message
- isComplete: Boolean - stop polling when true
Use the versionId returned from create_site for real-time progress polling.
Poll every 5-10 seconds while isComplete is false.
Connector