fix(ui): close consistency-audit contrast and duplication findings

Today hero's top-signal delta used opacity-on-muted text, landing below
AA on the app's most prominent card; five mood charts and the sleep-
stage IN_BED fill painted raw --dracula-*/hardcoded-hex hues with no
(or an unused) light-theme counterpart. Route all of them through
existing semantic/chart tokens instead (destructive/warning/success,
chart-1..5, and a newly minted --chart-inbed with its own Alucard
override) so every hue is AA-tuned per theme.

Also collapses three duplicated primitives the audit flagged: the
click-Popover VitalsInfoTip and hover-Tooltip InfoHint merge into one
touch-first ui/info-popover; MedicationViewToggle and ModuleViewToggle
were verbatim copy-paste and now wrap one shared ui/view-toggle; the
triplicated sport-icon map (already drifted — mixedCardio rendered a
different glyph in the list vs the detail/dashboard views) moves to
lib/workouts/sport-icons.ts with HeartPulse as the settled icon.

Adds a no-restricted-imports lint rule banning direct recharts imports
outside the chart-runtime barrel, catching the bundle-duplication
mistake at local lint instead of PR-CI.

src/lib/workouts/sport-icons.ts

@@ -0,0 +1,45 @@
+import {
+  Activity,
+  Bike,
+  Dumbbell,
+  Footprints,
+  HeartPulse,
+  Mountain,
+  PersonStanding,
+  type LucideIcon,
+} from "lucide-react";
+
+/**
+ * Shared sport-type → icon map. Previously three private copies
+ * (`workout-list.tsx`, `workout-detail.tsx`, `recent-workouts-tile.tsx`)
+ * that had already drifted — `mixedCardio` rendered `Heart` in the list but
+ * `HeartPulse` in the detail view and the dashboard tile, so the same
+ * workout showed two different glyphs between the row and its detail page.
+ * `HeartPulse` won as the shared value (two of three sites already agreed).
+ */
+export const SPORT_TYPE_ICON: Record<string, LucideIcon> = {
+  walking: Footprints,
+  running: PersonStanding,
+  cycling: Bike,
+  hiking: Mountain,
+  swimming: Activity,
+  rowing: Activity,
+  elliptical: Activity,
+  stairClimber: Activity,
+  yoga: PersonStanding,
+  mindAndBody: PersonStanding,
+  strength: Dumbbell,
+  hiit: Activity,
+  dance: Activity,
+  golf: Activity,
+  tennis: Activity,
+  basketball: Activity,
+  soccer: Activity,
+  crossTraining: Activity,
+  mixedCardio: HeartPulse,
+  other: Activity,
+};
+
+export function iconForSport(sportType: string): LucideIcon {
+  return SPORT_TYPE_ICON[sportType] ?? Activity;
+}