feat: obsolete medication archiving, start date, and UI improvements (#215)

* feat: obsolete medication archiving, start date, and UI improvements

- Add soft-archive (obsolete) for medications with dedicated section and toggle
- Add medication start date field with date picker and validation
- Add obsolete/reactivate API endpoints with proper auth
- Filter obsolete meds from schedule, coverage, planner, and notifications
- Improve UserFilterModal with intake schedules, stock badges, and click-to-open
- Improve dashboard taken-by badges with per-intake bell icons
- Add Escape key support to ConfirmModal and MobileEditModal
- Fix Lightbox close button positioning near image
- Add read-only mode support for MobileEditModal
- DB migrations: 0008 (is_obsolete, obsolete_at), 0009 (medication_start_date)
- All user-facing text uses i18n keys (en + de)

* test: fix tests for obsolete medications and UI changes

- Backend: add is_obsolete, obsolete_at, medication_start_date columns to test schemas
- Backend: add test medication inserts in planner tests for active-med filtering
- Frontend: update useMedications URL to include includeObsolete param
- Frontend: fix MobileEditModal selectors and validation assertions
- Frontend: add onClearUser prop to UserFilterModal test renders
- Frontend: fix MedicationsPage and DashboardPage test assertions

frontend/src/hooks/useMedicationForm.ts

@@ -41,6 +41,7 @@ export const defaultForm = (): FormState => ({
 	looseTablets: "0",
 	pillWeightMg: "",
 	doseUnit: "mg",
+	medicationStartDate: "",
 	expiryDate: "",
 	notes: "",
 	prescriptionEnabled: false,
@@ -230,6 +231,7 @@ export function useMedicationForm(): UseMedicationFormReturn {
 			looseTablets: String(med.looseTablets),
 			pillWeightMg: med.pillWeightMg ? String(med.pillWeightMg) : "",
 			doseUnit: med.doseUnit ?? "mg",
+			medicationStartDate: med.medicationStartDate ?? "",
 			expiryDate: med.expiryDate ? med.expiryDate.slice(0, 10) : "",
 			notes: med.notes ?? "",
 			prescriptionEnabled: med.prescriptionEnabled ?? false,

frontend/src/hooks/useMedications.ts

@@ -22,7 +22,7 @@ export function useMedications(): UseMedicationsReturn {
 
 	const loadMeds = useCallback(() => {
 		setLoading(true);
-		fetch("/api/medications", { credentials: "include" })
+		fetch("/api/medications?includeObsolete=true", { credentials: "include" })
 			.then((res) => res.json())
 			.then((data) => setMeds(Array.isArray(data) ? data : []))
 			.catch(() => setMeds([]))