T4: Preview render with sample variables

Regenerated from nervly-app@563ea6b052461ddc1555a31ed583646750c6b7ac on 2026-10-08T15:40:43.789Z.

• Route: /templates
• Status: reachable

Steps

Step 1: Preview render with sample variables

In the editor, edit JSON variables → Render Preview; missing keys warning; invalid JSON error