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DashBoard/docs/migration/deferred-route-modernization-follow-up/observability_checkpoints.md
egg c38b5f646a feat(modernization): promote deferred routes to in-scope and unify page header styles 
Promote /tables, /excel-query, /query-tool, /mid-section-defect from
deferred to full shell-governed in-scope routes with canonical redirects,
content contracts, governance artifacts, and updated CI gates.

Unify all page header gradients to #667eea → #764ba2 and h1 font-size
to 24px for visual consistency across all dashboard pages. Remove
Native Route-View dev annotations from job-query, excel-query, and
query-tool headers.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-12 13:20:06 +08:00

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Deferred Route Modernization Observability Checkpoints

Route Governance Signals

  1. navigation_contract_mismatch_total
  • Source: /api/portal/navigation diagnostics.
  • Alert condition: non-zero for deferred-promoted routes.
  1. route_contract_missing_metadata_total
  • Source: route governance CI script.
  • Alert condition: >0 in block mode for /tables, /excel-query, /query-tool, /mid-section-defect.

Quality Gate Signals

  1. quality_gate_failed_total{gate_id}
  • Source: quality gate report.
  • Alert condition: any mandatory gate failed for deferred-promoted routes.
  1. manual_acceptance_pending_routes
  • Source: manual acceptance records.
  • Alert condition: cutover attempted with pending sign-off for deferred routes.
  1. pre_change_confirmation_missing
  • Source: pre-change confirmation records.
  • Alert condition: implementation started without recorded confirmation.

Fallback and Rollback Signals

  1. deferred_route_runtime_fallback_served_total
  • Should remain zero after fallback retirement milestone for each route.
  1. content_cutover_flag_rollbacks_total{route}
  • Track frequency per deferred route.
  1. legacy_bug_replay_failures_total{route}
  • Any non-zero indicates carry-over risk and blocks sign-off.

Cutover Sequence Signals

  1. deferred_route_cutover_sequence_violation
  • Alert condition: route cutover attempted out of planned sequence.
  1. deferred_route_signoff_blocked_by_bug_replay
  • Alert condition: sign-off blocked due to reproduced legacy bug.