Summary

• measures the fixed workspace header and mirrors its height into the shell offset so sidebar/content no longer render under the header
• keeps mobile/tablet sidebar behavior and desktop sidebar visibility intact
• replaces internal backend snapshot contract wording with user-facing Insights workspace snapshot copy
• adds route-shell assertions that workspace sidebar and main panel start below the fixed header

Source of the displayed snapshot text

The admin headline comes from the Insights /workspace-snapshots/admin response (snapshot.summary). The admin summary is generated in apps/insights/src/app/projections.py from deterministic seeded operational counts for the selected context. The explanatory paragraph is frontend copy in WorkspaceHome.

Validation

• pnpm --dir frontend typecheck
• pnpm --dir frontend lint
• pnpm --dir frontend exec playwright test e2e/route-shells.spec.ts
• git diff --check