feat(differentials): surface map and related actions

[BigSimmo]

Summary

• Remove the redundant Differentials > Diagnosis > current-record breadcrumb from diagnosis detail pages while retaining the contextual back navigation.
• Add an elevated phone-only Explore diagnosis panel that keeps Map and Related visible, with live counts, touch targets, focus treatment, and the existing URL-backed tab behavior.
• Extend the focused responsive journey and refresh the generated design-system adoption manifest.

Verification

• npm run verify:pr-local
  • Verification not run for this bare PR publication request.
• npm run verify:ui when UI, routing, styling, browser behavior, reduced-motion, or forced-colors behavior changed
  • Full UI gate not run for this bare PR publication request.
• npm run verify:release before release or handoff confidence claims
  • Release gate not run; no release-confidence claim is made.
• Focused production Chromium journey: npm run test:e2e -- tests/ui-tools.spec.ts --project=chromium --grep "diagnosis detail actions stay tappable and tabs stay single-line" — 1 passed, covering 320/768/1024 px, keyboard activation, overflow, reduced motion, and forced colors.
• npm run check:design-system-contract — passed for 1,083 production files; adoption checked for 55 components and 84 roots; design-sync checked for 55 components and 7 guidelines.
• Targeted Prettier check and git diff --check passed before publication.
• Visual inspection completed at 390 px and 1440 px. Physical iPhone Safari/VoiceOver was not run.

Risk and rollout

• Risk: Low. This changes diagnosis-detail navigation presentation and focused UI coverage; diagnosis data, clinical wording, section content, and routing destinations are unchanged.
• Rollback: Revert commit edf16bde9fd1acf7d0c832a82cb24fbe3444365d.
• Provider or production effects: None.
• RAG impact: none; no retrieval, ranking, citation, source-rendering, or answer-generation code changed.

Clinical Governance Preflight

• Source-backed claims still require linked source verification before clinical use; this contract is unchanged.
• No patient-identifiable document workflow was introduced or expanded.
• Supabase target remains unchanged; no Supabase files or configuration were touched.
• Service-role keys and private document access remain server-only; those paths were not changed.
• Demo/synthetic content separation is unchanged.
• Source metadata, review status, and outdated/unknown-source behavior remain conservative and unchanged.
• Deployment classification/TGA SaMD impact: no clinical decision-support behavior or clinical content changed.

Notes

• The branch was published 13 commits behind current main; inspection showed no overlap between those commits and the three changed files. GitHub is the requested integration and verification surface.
• Auto-merge is not enabled.

Co-Authored-By: Codex Fable 5 noreply@anthropic.com

---

Note

Low Risk
Presentation-only navigation and layout tweaks on diagnosis detail and answer status rows; clinical content, routing destinations, and retrieval logic are unchanged.

Overview
On diagnosis differential detail, the redundant three-level breadcrumb is removed from PageHeader (back navigation in the in-page header remains). A new phone-only Explore diagnosis panel surfaces Map and Related with section detail text, touch-friendly buttons, and the same URL-backed tab switching as the existing tab strip.

In the answer surface, Source-only and stale-evidence controls get self-start so they align at the top of the compact status row instead of stretching with mismatched touch-target heights.

E2E updates: account-provider height checks tolerate Chromium sub-pixel rounding (≥47.99px); review-due status-row geometry asserts containment in one row rather than equal Y alignment; ui-tools coverage adds breadcrumb absence, discovery actions, keyboard activation, overflow, reduced motion, and forced colors. The design-system adoption manifest lists ui-tools as proof for Breadcrumb.

^{Reviewed by Cursor Bugbot for commit 2ff124a. Configure here.}

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[supabase]

This pull request has been ignored for the connected project sjrfecxgysukkwxsowpy because there are no changes detected in supabase directory. You can change this behaviour in Project Integrations Settings ↗︎.

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[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-08-31T01:43:19.762279Z	edf16bd	PR opened

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CI failed on this PR. Automated classification of the 2 failed job(s):

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• PR required — main-side: the same job also failed on the latest completed main CI run.

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