Drop unimported re-exports outside the barrels

Eighteen modules carried a convenience re-export of a symbol defined
elsewhere. In each case the callers the comment describes now import the
concrete module directly, so the line had no importer left. Where the
whole re-export block went, the comment explaining it went with it —
doctor-report-pdf-core, trend-card and medication-extract-prompt each
claimed to be a single import surface that nothing was using.

Definitions are untouched; imports that existed only to feed a removed
re-export go too.

src/components/charts/trend-card.tsx

@@ -15,14 +15,8 @@ import {
   getTrendSentiment,
   sentimentColorClass,
   type TrendDirectionSentiment,
-  type TrendSentimentDirection,
 } from "@/lib/insights/trend-sentiment";
 
-// v1.9.0 — the metric-aware sentiment mapping moved to a shared module so the
-// range-delta caption paints the same colour for the same signal. Re-exported
-// here so existing `@/components/charts/trend-card` importers keep the type.
-export type { TrendDirectionSentiment, TrendSentimentDirection };
-
 interface SecondaryMetric {
   /** Sub-value latest reading (e.g. diastolic when latest is systolic). */
   latest: number | null;

src/components/insights/coach-panel/use-coach.ts

@@ -13,7 +13,6 @@ import { toast } from "sonner";
 import type {
   CoachConversationAttachmentDTO,
   CoachConversationDetailDTO,
-  CoachConversationDTO,
   CoachConversationsPage,
   CoachProvenance,
   CoachScope,
@@ -1118,7 +1117,6 @@ export function useSendCoachMessage(opts: UseSendCoachMessageOptions = {}) {
 // `@/lib/ai/coach/types` directly.
 export type {
   CoachConversationAttachmentDTO,
-  CoachConversationDTO,
   CoachConversationDetailDTO,
   CoachProvenance,
   CoachSuggestion,

src/components/medications/wizard/wizard-payload.ts

@@ -44,10 +44,7 @@
  */
 
 import { encodeCadence } from "@/components/medications/scheduling/cadence-picker";
-import {
-  dateToIsoString,
-  isoStringToDate,
-} from "@/components/medications/scheduling/course-window-row";
+import { dateToIsoString } from "@/components/medications/scheduling/course-window-row";
 import {
   type CadenceKind,
   type CadenceSubControls,
@@ -1277,4 +1274,4 @@ function subControlsFromRrule(rrule: string): CadenceSubControls {
 // Re-exports — convenience for the dialog and tests
 // ────────────────────────────────────────────────────────────────────
 
-export { dateToIsoString, isoStringToDate };
+export { dateToIsoString };