v0.31.0

• Add optional titled Process Modeler Checks cards and match Ready, warning
  contrast, narrow card geometry and announcements to the reference (#424).
• Add safe structured Technical content with inline code segments and a host
  metric optout; match CEL captions, run rows and inspector tables. Keep
  snapshots detached and update stable-node metric controls (#427).
• Preserve embedded inspector identity and desktop detail controls, with
  Business/Technical and supplied Last run in the narrow View menu (#426).
• Reset Last run visibility when data is removed and preserve integral and
  fractional failure percentages (#425).
• Support explicit CodeEditor line heights and active-line fill while retaining
  the default editor line height (#422).