rdmsm4x-changelog-20260829-1605-ak-final-heatmap-scroll

Published the final AK fixes: reversing the trip direction now changes the modeled heatmap colors and planning values, and the root mobile load stays at the top through Safari's initial restore/hydration sequence.

Scope

• Host: rdmsm4x; source worktree: /Users/richh/dev/_handoff/codex-out/amagansett-ak-mobile-feel-share-20260828.
• Files: worker/src/platform-fragments.ts, sites/ak/src/main.ts, tests/e2e/ak-completion.spec.ts, SESSION-STATE.md, ISSUES.md, and docs/AK-FINAL-HEATMAP-SCROLL-LIVE-RECEIPT-20260829.md.
• Source commits: implementation aa4a19136b9b811540eb6cbe5d95f87225ce20a0; release record 2229196.

Deployment and verification

• Published API/share version e81939ae-30d3-473d-859c-865a8414a84f, then AK edge version 0063ce17-f3b6-4f1d-91d4-b804402113d0 after rebuilding the browser asset.
• Focused checks passed: npm run typecheck; two Playwright mobile/route-direction scenarios.
• Live 390-by-844 browser verification returned HTTP 200, changed heatmap classes and the summary after reversal, and settled the root page at scrollY: 0 with 20 cards.

Undo

• Deploy API/share version 765abbcf-3eff-4147-83fb-687ee274eea3, then AK edge version a0174bc1-aaa8-4488-bf2f-0efb16ba13c3.
• No D1/data, DNS, Access, source-photo, provider, Guide, Forst, or Preview change requires reversal.