Route: /app/assistants/{agentId}/imports/{importId}/review. Shown after wizard import and when re-importing via Import/Export.
Review screen
- Validation issues list — errors block approve; warnings are informational.
- Flow diff — compare previous published/draft vs imported payload.
- Model metadata — used_llm, model, cost_cents, repair_iterations, models_tried, escalated.
- Approve — marks import approved so Publish succeeds.
- Reject / back — return to editor without publishing.
Publish gate
When import_require_review_before_publish is true, Publish returns 409 import_review_required with import_id until review is approved.