fix: smooth mobile edit transition and align modal validation behavior (#286)

* fix: reliable Escape key close for all modals via useEscapeKey hook

- Add useEscapeKey hook (document-level keydown listener)
- Retrofit all 12 modal/overlay components to use it
- Remove redundant overlay onKeyDown Escape handlers
- Simplify modal-content onKeyDown to plain stopPropagation
- Replace MedDetailModal's capture-phase useEffect with 3 useEscapeKey calls
- Replace SharedSchedule's inline useEffect with useEscapeKey
- Add mandatory modal rules to UI Consistency skill
- All 777 frontend + 569 backend tests pass

* fix: smooth mobile edit transition and align modal validation behavior

* fix: keep overlay keydown non-closing for Enter key

* fix: show mobile name error when validation already exists

* fix: restore app-level escape priority handling

* fix: prioritize schedule lightbox on Escape

frontend/src/pages/DashboardPage.tsx

@@ -1,5 +1,5 @@
 /* biome-ignore-all lint/style/noNestedTernary: timeline rendering uses explicit UI-state branching */
-import { Bell, NotebookPen, Share2 } from "lucide-react";
+import { Bell, ClipboardList, NotebookPen, Share2 } from "lucide-react";
 import { useState } from "react";
 import { useTranslation } from "react-i18next";
 import { ConfirmModal, MedicationAvatar } from "../components";
@@ -538,6 +538,17 @@ export function DashboardPage() {
 																</span>
 															</>
 														)}
+														{med?.prescriptionEnabled && (
+															<>
+																{" "}
+																<span
+																	className="prescription-icon info-tooltip"
+																	data-tooltip={t("tooltips.hasPrescription")}
+																>
+																	<ClipboardList size={13} aria-hidden="true" />
+																</span>
+															</>
+														)}
 													</span>
 													{med?.takenBy && med.takenBy.length > 0 && (
 														<span className="med-taken-by-line">