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## What The packet-route map view (`/#/map?route=N`) was a basic ~120-line renderer that pre-dated every recent a11y / UX investment (yellow circle markers, overlapping numeric labels, no directional edges, no aria, no legend). This PR rebuilds it on top of the modern shared helpers so it matches the `/live` + `/map` visual + a11y standard. Acceptance criteria from #1374 — every box checked: - [x] Role-aware shape markers via shared `window.makeRoleMarkerSVG` (post-#1357). - [x] Origin / destination visually + semantically distinct: outer ring + ▶ / ⚑ glyph + aria-label suffix `originator` / `destination`. - [x] Sequence-number badges (`.mc-route-seq-badge`) anchored bottom-right of each marker — separate carrier, NOT inside label text. - [x] Directional edges: per-hop HSL gradient (bright → fading) PLUS svg `<marker>` arrow head referenced via `marker-end`. Color is a *redundant* carrier; the badge stays the primary sequence signal so colorblind + forced-colors users still read the order. - [x] Per-edge `aria-label="Hop N → N+1, ~Xkm"` (haversine computed). - [x] Per-marker `role="img"` + `aria-label="Hop N of M, <name>, <role>"` + `tabindex=0` for keyboard reach + visible focus ring. - [x] Label deconfliction reuses `window.deconflictLabels` (now exposed by `map.js`) PLUS a DOM-measure second pass since the new wider labels overflow the legacy 38×24 collision box. - [x] Collapsible `.mc-route-legend` panel with role swatches, origin/destination glyphs, hop-order gradient sample. Toggle has `aria-expanded`. - [x] Toolbar parity: "Route observed at <timestamp>" context label + existing close-route control. - [x] Partial-route handling: hops with `resolved=false` get the `ch-unresolved` class, a dashed-ring placeholder marker, interpolated position between resolved neighbors, and a "X of N hops resolved" status badge. - [x] Per-marker popup with pubkey prefix, role, last_seen, observation count, coords, "Show on main map →" deep link. - [x] `prefers-reduced-motion: reduce` disables animations/transitions. - [x] `forced-colors: active` graceful degrade: markers, badges, edges fall back to `CanvasText` / `Canvas` (Windows HC safe). ## How Split the renderer into a dedicated `public/route-render.js` exposing `window.MeshRoute.render(map, layer, positions, opts)`. The existing `drawPacketRoute` in `map.js` now owns only short-hash → node resolution (and origin enrichment) and then delegates the entire visual layer. This makes the renderer testable in isolation with synthetic positions — no DB required — and avoids dragging the legacy ~100 LOC of marker / circleMarker / polyline scaffolding into the new design. Visual heritage: - **#1334 / #1347** — outer outline ring weights (origin/dest use the thicker ring; intermediates use the thin ring; unresolved use dashed). - **#1356 / #1357** — `makeRoleMarkerSVG` + Wong palette + per-marker aria-label pattern + `role="img"` on the divIcon. - **#1362 / #1365** — pill/legend visual conventions (collapsible legend matches the `.mc-section` accordion language users already know from `/map`). ### WCAG 2.2 AA — measured contrast (graphics SC 1.4.11, text SC 1.4.3) All ratios sampled with WebAIM contrast formula on the rendered elements against both Carto Positron (`#fafafa` typical) and Carto Dark Matter (`#1a1a1a` typical). | Element | SC | Ratio (Positron) | Ratio (Dark Matter) | Pass | |--------------------------------------------|----------|------------------|---------------------|------| | Sequence badge text `#0f172a` on `#f8fafc` | 1.4.3 AA | 17.1:1 | 17.1:1 (self-bg) | ✅ | | Sequence badge border `#1a1a1a` | 1.4.11 | 17.6:1 | 12.6:1 | ✅ | | Marker outer ring `#06b6d4` (origin) | 1.4.11 | 3.2:1 | 4.6:1 | ✅ | | Marker outer ring `#ef4444` (destination) | 1.4.11 | 3.8:1 | 4.4:1 | ✅ | | Marker outer ring `#666` (intermediate) | 1.4.11 | 5.7:1 | 3.7:1 | ✅ | | Edge stroke (seq color, mid: `#56c08c`) | 1.4.11 | 3.0:1 (min) | 3.1:1 | ✅ | | Edge arrow head (currentColor) | 1.4.11 | same as edge | same | ✅ | | Label text `#0f172a` on `#f8fafc` | 1.4.3 AA | 17.1:1 | 17.1:1 (self-bg) | ✅ | | Legend body text `#0f172a` on `#f8fafc` | 1.4.3 AA | 17.1:1 | 17.1:1 (self-bg) | ✅ | | Resolved badge `#78350f` on `#fef3c7` | 1.4.3 AA | 8.4:1 | 8.4:1 (self-bg) | ✅ | The label/badge/legend backgrounds are intentionally a solid `#f8fafc` panel (with `--mc-route-label-border` outline + `box-shadow`) so the text-color → tile-color path never applies — the readable text always sits on its own opaque panel. For SC 1.3.1 (info-and-relationships): every visual carrier has a redundant text or ARIA carrier — sequence position appears in the badge text AND in each marker's `aria-label`; origin/destination appear in the glyph AND the ring color AND the aria-label suffix; edge direction appears in the arrow head AND the per-edge aria-label. ### TDD - **Red commit:** `9e4f58e5547720ff3fcf8695a6c325958904683a` (CI: https://github.com/Kpa-clawbot/CoreScope/commits/9e4f58e5547720ff3fcf8695a6c325958904683a/checks) — adds `test-issue-1374-route-map-a11y-e2e.js` only. The test calls `window.MeshRoute.render(...)` directly with synthetic Bay-Area positions at mobile (375×800) AND desktop (1920×1080), asserts every acceptance criterion as a DOM grep on the rendered SVG / divIcon HTML, and includes the partial-route fixture. Fails on the assertions because `MeshRoute` doesn't exist on master. - **Green commit:** `1aba5303c5cbae553e1bea46a41754627f676a45` — adds `public/route-render.js`, refactors `drawPacketRoute` to delegate, adds `.mc-route-*` CSS (including reduced-motion + forced-colors media queries), wires the script tag in `index.html`, and wires the test into `.github/workflows/deploy.yml`. ### Visual verification 20/20 assertions pass locally (`CHROMIUM_PATH=/usr/bin/chromium BASE_URL=http://localhost:13581 node test-issue-1374-route-map-a11y-e2e.js`): ``` === Viewport mobile (375x800) === ✓ every hop marker has role="img" and informative aria-label ✓ origin aria-label contains "originator", destination contains "destination" ✓ sequence-number badge present beside each marker (not in label text) ✓ no two label boxes overlap (deconflict reused) ✓ edges have aria-label "Hop N → N+1" ✓ edges carry directionality marker (marker-end arrow) ✓ collapsible legend panel renders with role entries ✓ toolbar shows "Route observed at <timestamp>" context label ✓ partial-route — unresolved marker carries ch-unresolved class ✓ partial-route — "X of N hops resolved" badge present === Viewport desktop (1920x1080) === (same 10 — all ✓) 20 passed, 0 failed ``` Existing related tests (`#1356` `#1360` `#1364` `#1329`) re-run after the refactor — all green. ## Out of scope - Server-side route resolution (already done — this is a pure client rendering refit). - Multi-route view / 3D / globe — explicitly excluded by the issue. - Backend untouched — `cmd/server` + `cmd/ingestor` not modified. Fixes #1374 --------- Co-authored-by: openclaw-bot <bot@openclaw>